Journal ArticleAm Heart J · January 2026
BACKGROUND: Prior to 2025, Medicare Part D included a coverage gap during which beneficiaries were responsible for substantially higher portions of medication costs. The impact of this on oral anticoagulant (OAC) prescription fills and subsequent stroke in ...
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Journal ArticlePharmaceut Med · November 2025
Implementation science offers a systematic approach to bridging the gap between research and clinical practice by promoting the adoption, scale-up, and sustainment of evidence-based therapies. Historically, academic implementation science efforts in the US ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · October 12, 2025
AIMS: Sex differences in survival and short-term outcomes after out-of-hospital cardiac arrest (OHCA) are well documented, but its impact on long-term health-related quality of life (HRQoL) is unclear. METHODS AND RESULTS: This cross-sectional survey study ...
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Journal ArticleHypertension · October 2025
Hypertension is the single most important modifiable risk factor for preventable disability and death worldwide and disproportionately affects socially disadvantaged populations. We face a paradox-blood pressure control is low and recent trends suggest it ...
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Journal ArticleJAMA Cardiol · October 1, 2025
IMPORTANCE: Consumer wearable technologies have wide applications, including some that have US Food and Drug Administration clearance for health-related notifications. While wearable technologies may have premarket testing, validation, and safety evaluatio ...
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Journal ArticleMayo Clin Proc Digit Health · September 2025
OBJECTIVE: To evaluate differences in study engagement in diverse racial/ethnic groups that have been significantly underrepresented in atrial fibrillation and digital clinical trials. PATIENTS AND METHODS: This was a secondary analysis of participants fro ...
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Journal ArticleAm J Prev Cardiol · September 2025
BACKGROUND: Antihyperglycemic agents with cardiovascular (CV) benefits, including SGLT-2i and GLP-1RA, are underused in clinical practice, particularly by cardiologists. Understanding the prescribing patterns of these agents by cardiologists may aid in imp ...
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Journal ArticleEuropace · September 1, 2025
AIMS: Apixaban was superior to aspirin for the prevention of stroke or systemic embolism in participants with subclinical atrial fibrillation (SCAF) in the Apixaban for the Reduction of Thromboembolism in Patients With Device-Detected Subclinical Atrial Fi ...
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Journal ArticleAm J Cardiol · August 20, 2025
The long-term association between AF and clinical outcomes, healthcare resource utilization, and healthcare costs among patients with HF remains underexplored. We conducted an exploratory analysis of 5-year outcomes among patients enrolled in the patient-c ...
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Journal ArticleJ Am Coll Cardiol · August 12, 2025
BACKGROUND: Whether frail, elderly patients with atrial fibrillation (AF) on a vitamin K antagonist (VKA) should switch to a direct-acting oral anticoagulant (DOAC) was studied in the FRAIL-AF trial and remains controversial. OBJECTIVES: The purpose of thi ...
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Journal ArticleAm J Cardiol · August 6, 2025
The prevalence of coronary heart disease is increasing in an aging population. A better understanding of how risk profiles and outcomes differ by age may allow for targeted treatment and prevention strategies. PARADISE-MI randomized 5661 adults without pri ...
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Journal ArticleHeart Rhythm · August 5, 2025
BACKGROUND: The ARTESiA trial randomized patients with a pacemaker (PM), implantable cardioverter-defibrillator (ICD), or implantable cardiac monitor (ICM) and with subclinical atrial fibrillation to either apixaban or aspirin. OBJECTIVE: We aimed to explo ...
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Journal ArticleEuropace · August 4, 2025
AIMS: Early extraction for cardiovascular implantable electronic device (CIED) infections has been associated with longer survival, while the impact on healthcare utilization is unknown. The aim is to evaluate the impact of early extraction on healthcare e ...
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Journal ArticleAm Heart J · August 2025
Cardiovascular disease remains the leading cause of mortality and healthcare expenditures in the United States. It is also a major contributor to premature mortality, years lived with disability, and rising healthcare costs around the world. Despite the av ...
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Journal ArticleCovid · August 1, 2025
Previous studies about the COVID-19 pandemic on STEMI patient outcomes have conflicting results. It remains unclear if this may be attributed to regional differences and/or differences during COVID-19 wave periods. Using the American Heart Association Get ...
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Journal ArticleAm J Med · July 17, 2025
An increasing number of patients are living with cardiac implantable electronic devices (CIEDs). When a patient with a CIED is hospitalized with concern for infection or positive blood cultures from any source, recognizing and managing a possible CIED infe ...
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Journal ArticleHeart Rhythm · July 9, 2025
BACKGROUND: The Apixaban for the Reduction of Thrombo-Embolism in Patients With Device-Detected Subclinical Atrial Fibrillation (ARTESiA) trial enrolled patients with subclinical atrial fibrillation (SCAF) lasting < 24 hours. OBJECTIVE AND METHODS: We asse ...
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Journal ArticleEur Heart J · May 30, 2025
BACKGROUND AND AIMS: Oral anticoagulation reduces stroke risk in patients with atrial fibrillation (AF) but increases bleeding. Longer fibrin clot lysis time has been shown to predict adverse cardiovascular outcomes in acute coronary syndromes. This study ...
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Journal ArticleJ Card Fail · April 16, 2025
BACKGROUND: N-terminal pro-B-type natriuretic peptide (NT-proBNP) is associated with heart failure (HF) hospitalizations and death when measured during a myocardial infarction (MI). However, NT-proBNP concentrations change following the initial ischemic in ...
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Journal ArticleAm Heart J · April 2025
BACKGROUND: SGLT-2i and GLP-1RA are recommended for persons with type 2 diabetes and atherosclerotic cardiovascular disease (ASCVD); for those prescribed, little is known about reasons for discontinuation. METHODS: From the COORDINATE-Diabetes randomized t ...
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Journal ArticleCan J Cardiol · April 2025
BACKGROUND: Mortality in cardiogenic shock (CS) remains high. Significant interhospital heterogeneity in critical care therapies has been described, which reflects the lack of high-quality evidence to guide optimal treatment. We aimed to describe differenc ...
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Journal ArticleJACC Adv · April 2025
BACKGROUND: Studies have demonstrated the safety and efficacy of reducing the dose of apixaban from 5.0 mg to 2.5 mg twice daily in patients with atrial fibrillation (AF) and ≥2 dose-reduction criteria (age ≥80 years, body weight ≤60 kg, serum creatinine ≥ ...
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Journal ArticleJ Am Coll Cardiol · March 25, 2025
BACKGROUND: Limited data exist on the optimal antithrombotic strategy to minimize total bleeding and ischemic events for patients with recent acute coronary syndrome (ACS) or percutaneous coronary intervention (PCI) and atrial fibrillation (AF). OBJECTIVES ...
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Journal ArticleJ Am Coll Cardiol · March 25, 2025
BACKGROUND: In patients with atrial fibrillation (AF) the risk of ischemic stroke is central to recommendations for stroke-prevention treatment. OBJECTIVES: The authors evaluated the biomarker-based Age, Biomarkers, Clinical history (ABC)-AF-stroke risk sc ...
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Journal ArticleEur J Heart Fail · March 2025
AIMS: The temporal changes in clinical profiles and outcomes of high-risk myocardial infarction survivors enrolled in clinical trials are poorly described. This study compares mortality rates, baseline characteristics, and the prognostic impact of therapie ...
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Journal ArticleStat Med · February 28, 2025
The accessibility of individual participant-level data (IPD) enhances the evaluation of moderation effects of patient covariates. It facilitates the provision of accurate estimation of intervention effects and confidence intervals by incorporating covariat ...
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Journal ArticleBMJ · February 12, 2025
OBJECTIVE: To evaluate the association between contemporary hormonal contraceptive use and the risk of incident ischaemic stroke and myocardial infarction. DESIGN: Real-world, nationwide, prospective cohort study. SETTING: Denmark, by use of national regis ...
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Journal ArticleAm Heart J · February 2025
BACKGROUND: Clinical trials of antithrombotic agents typically use separate time-to-event analyses for bleeding and ischemic events, but this framework has limitations. Days alive and out of hospital (DAOH) is an alternative that may provide additional ins ...
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Journal ArticleLancet Neurol · February 2025
BACKGROUND: People with subclinical atrial fibrillation are at increased risk of stroke, albeit to a lesser extent than those with clinical atrial fibrillation, leading to an ongoing debate regarding the benefit of anticoagulation in these individuals. In ...
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Journal ArticleKidney Int · January 2025
The optimal approach towards managing serum potassium (sK+) and hemodialysate potassium concentrations is uncertain. To study this, adults receiving hemodialysis for three months or more with hyperkalemia (pre-dialysis sK+ 5.1-6.5 mmol/l) had cardiac monit ...
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Journal ArticleJ Am Heart Assoc · December 17, 2024
BACKGROUND: Significant gap remains in the implementation of guideline-directed medical therapy (GDMT) in patients with heart failure after a hospitalization. We aimed to evaluate the use and titration of GDMT at discharge and over a 12-month period after ...
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Journal ArticleEur Heart J · December 7, 2024
BACKGROUND AND AIMS: The optimal antithrombotic therapy in patients with device-detected atrial fibrillation (DDAF) is unknown. Concomitant vascular disease can modify the benefits and risks of anticoagulation. METHODS: These pre-specified analyses of the ...
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Journal ArticleEur J Prev Cardiol · November 27, 2024
INTRODUCTION: Atrial fibrillation and flutter (AF) are common in patients with type 2 diabetes and are associated with worse outcomes. METHODS: Harmony Outcomes was a multicenter, event-driven, double-blind, placebo-controlled trial comparing the effects o ...
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Journal ArticleCirculation · November 26, 2024
BACKGROUND: In the ARTESiA trial (Apixaban for the Reduction of Thromboembolism in Patients With Device-Detected Subclinical Atrial Fibrillation), apixaban, compared with aspirin, reduced stroke or systemic embolism in patients with device-detected subclin ...
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Journal ArticleJ Card Fail · November 2024
BACKGROUND: Randomized controlled trials typically require study-specific visits, which can burden participants and sites. Remote follow-up, such as centralized call centers for participant-reported or site-reported, holds promise for reducing costs and en ...
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Journal ArticleAm Heart J · November 2024
Out-of-hospital cardiac arrest (OHCA) occurs in nearly 350,000 people each year in the United States (US). Despite advances in pre and in-hospital care, OHCA survival remains low and is highly variable across systems and regions. The critical barrier to im ...
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Journal ArticleAm J Emerg Med · November 2024
BACKGROUND: Limited data are available on locations of public access defibrillation programs across communities in the United States, despite their widespread presence. Our goal was to determine publicly available AED locations of large businesses in a mix ...
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Journal ArticleJACC Adv · November 2024
BACKGROUND: Patients with atrial fibrillation (AF) after an acute coronary syndrome (ACS) and/or undergoing percutaneous coronary intervention (PCI) with multiple comorbidities are at increased risk for bleeding and ischemic events. OBJECTIVES: This post-h ...
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Journal ArticleCirc Cardiovasc Interv · November 2024
BACKGROUND: In the AUGUSTUS trial (An Open-Label, 2 x 2 Factorial, Randomized Controlled, Clinical Trial to Evaluate the Safety of Apixaban vs Vitamin K Antagonist and Aspirin vs Aspirin Placebo in Patients With Atrial Fibrillation and Acute Coronary Syndr ...
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Journal ArticleAnn Intern Med · November 2024
Lopes RD, Granger CB, Wojdyla DM, et al. Apixaban vs aspirin according to CHA2DS2-VASc score in subclinical atrial fibrillation: insights from ARTESiA. J Am Coll Cardiol. 2024;84:354-364. 39019530. ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractBackgroundAmong anticoagulated patients with atrial fibrillation (AF), intracranial hemorrhage (ICH) is the leading cause of b ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractBackgroundAtrial Fibrillation (AF) poses a significant risk for both ischemic stroke and systemic embolic events (SEE). While ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractIntroductionHeart failure (HF) is one of the most common comorbidities in patients with AF, resulting in a clinical need for r ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractBackgroundRandomized data comparing clinical outcomes of atrial fibrillation (AF) patients with Asian vs non-Asian races are l ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractBackgroundInternational guidelines recommend a systematic evaluation of bleeding risk in patients with atrial fibrillation (AF ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractIntroductionTemporal declines in rates of rehospitalization and death after acute myocardial infarction (MI) have not been uni ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractBackgroundWhile contemporary hormonal contraception is effective in preventing unwanted pregnancies, its potential link to an ...
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ConferenceEuropean Heart Journal · October 28, 2024
AbstractBackgroundSurviving in-hospital cardiac arrest poses a significant risk of anoxic brain damage, which can impede survivors’ ab ...
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Journal ArticleJ Am Coll Cardiol · October 15, 2024
BACKGROUND: Heart failure (HF) is common among patients with atrial fibrillation (AF), and accurate risk assessment is clinically important. OBJECTIVES: The goal of this study was to investigate the incremental prognostic performance of N-terminal pro-B-ty ...
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Journal ArticleAm J Med · October 2024
OBJECTIVE: We aimed to evaluate the safety and efficacy of antithrombotic strategies by age in patients with atrial fibrillation and acute coronary syndrome and/or percutaneous coronary intervention in AUGUSTUS. METHODS: Patients were stratified into 3 age ...
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Journal ArticleJAMA Cardiol · October 1, 2024
IMPORTANCE: Sudden death is a leading cause of death after acute myocardial infarction (AMI). The Prospective ARNi vs ACE Inhibitor Trial to Determine Superiority in Reducing Heart Failure Events After MI (PARADISE-MI) and Valsartan in Acute Myocardial Inf ...
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Journal ArticleAm Heart J · October 2024
BACKGROUND: Our objective was to determine the number of major cardiovascular events (MACE, nonfatal myocardial infarction, nonfatal stroke, or cardiovascular death) and deaths from any cause that could be prevented across varying nationwide uptake of sema ...
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Journal ArticleJ Am Heart Assoc · September 17, 2024
BACKGROUND: The extent to which infarct artery impacts the extent of myocardial injury and outcomes in patients with ST-segment-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention is uncertain. METHODS AND RESULTS: ...
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Journal ArticleJ Am Coll Cardiol · September 3, 2024
BACKGROUND: The optimal antithrombotic regimen for patients with atrial fibrillation (AF) who had an acute coronary syndrome (ACS) or have undergone percutaneous coronary intervention (PCI) is not known. OBJECTIVES: The authors sought to determine which an ...
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Journal ArticleJ Am Heart Assoc · September 3, 2024
BACKGROUND: Despite oral anticoagulation, patients with atrial fibrillation (AF) remain at risk of ischemic stroke and systemic embolism (SE) events. For patients whose residual risk is sufficiently high, additional therapies might be useful to mitigate st ...
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Journal ArticleJACC Adv · August 2024
BACKGROUND: Little is known regarding the characteristics, treatment patterns, and outcomes in patients with adult congenital heart disease (ACHD) admitted to cardiac intensive care units (CICUs). OBJECTIVES: The authors sought to better define the contemp ...
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Journal ArticleAnn Intern Med · August 2024
Yndigegn T, Lindahl B, Mars K, et al; REDUCE-AMI Investigators. Beta-blockers after myocardial infarction and preserved ejection fraction. N Engl J Med. 2024;390:1372-1381. 38587241. ...
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Journal ArticleJ Am Coll Cardiol · July 23, 2024
BACKGROUND: ARTESiA (Apixaban for the Reduction of Thrombo-Embolism in Patients With Device-Detected Sub-Clinical Atrial Fibrillation) demonstrated that apixaban, compared with aspirin, significantly reduced stroke and systemic embolism (SE) but increased ...
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Journal ArticleEur Heart J Cardiovasc Pharmacother · July 16, 2024
AIMS: Large outcome trials have demonstrated cardiovascular benefits of selected glucagon-like peptide-1 (GLP-1) receptor agonists. We examined coronary disease outcomes in the Harmony Outcomes trial of the GLP-1 receptor agonist albiglutide. METHODS AND R ...
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Journal ArticleCirculation · July 16, 2024
BACKGROUND: Results from the COORDINATE-Diabetes trial (Coordinating Cardiology Clinics Randomized Trial of Interventions to Improve Outcomes - Diabetes) demonstrated that a multifaceted, clinic-based intervention increased prescription of evidence-based m ...
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Journal ArticleJACC Adv · July 2024
BACKGROUND: Defibrillation in the critical first minutes of out-of-hospital cardiac arrest (OHCA) can significantly improve survival. However, timely access to automated external defibrillators (AEDs) remains a barrier. OBJECTIVES: The authors estimated th ...
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Journal ArticleJAMA · June 25, 2024
IMPORTANCE: Concerns have arisen that renin-angiotensin system (RAS) blockers are less effective in Black patients than non-Black patients with heart failure and reduced ejection fraction (HFrEF). OBJECTIVE: To determine whether the effects of RAS blockers ...
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Journal ArticleEur Heart J · June 14, 2024
An integral component of the practice of medicine is focused on the initiation of medications, based on clinical practice guidelines and underlying trial evidence, which usually test the addition of novel medications intended for life-long use in short-ter ...
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Journal ArticleEur J Heart Fail · June 2024
AIM: Heart failure (HF) is a major cause of morbidity and mortality in older adults. Randomized controlled trials (RCTs) inform HF policy and practice, but the accurate interpretation of results is contingent on clear and transparent reporting. The CONsoli ...
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Journal ArticleAnn Intern Med · June 2024
Khan SS, Matsushita K, Sang Y, et al; Chronic Kidney Disease Prognosis Consortium and the American Heart Association Cardiovascular-Kidney-Metabolic Science Advisory Group. Development and validation of the American Heart Association's PREVENT equations. C ...
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Journal ArticleDiabetes Obes Metab · May 2024
AIM: To analyse the effects of albiglutide, a glucagon-like peptide 1 receptor agonist, on cardiovascular outcomes in older adults aged ≥65 years with type 2 diabetes and cardiovascular disease who participated in the Harmony Outcomes trial (NCT02465515). ...
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Journal ArticleAm Heart J · May 2024
BACKGROUND: Mortality after ST-segment elevation myocardial infarction (STEMI) is increased in patients with hypertension. The mechanisms underlying this association are uncertain. We sought to investigate whether patients with STEMI and prior hypertension ...
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Journal ArticleJ Soc Cardiovasc Angiogr Interv · May 2024
BACKGROUND: Supersaturated oxygen (SSO2) delivered into the left anterior descending coronary artery after percutaneous coronary intervention (PCI) for anterior ST-segment elevation myocardial infarction (STEMI) has been shown to reduce infarct size, but i ...
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ConferenceJournal of Hypertension · May 2024
Objective:Zilebesiran is an investigational subcutaneous (SC) RNA interference therapeutic that targets synthesis of hepatic angiotensinogen, the most upstream precursor of the renin-angi ...
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Journal ArticleEur Heart J · April 7, 2024
BACKGROUND AND AIMS: Bloodstream infection (BSI) of any cause may lead to device infection in cardiac implantable electronic device (CIED) patients. Aiming for a better understanding of the diagnostic approach, treatment, and outcome, patients with an impl ...
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Journal ArticleJ Am Heart Assoc · April 2, 2024
BACKGROUND: BMP10 (bone morphogenic protein 10) has emerged as a novel biomarker associated with the risk of ischemic stroke and other outcomes in patients with atrial fibrillation (AF). The study aimed to determine if repeated BMP10 measurements improve p ...
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Journal ArticleClin Res Cardiol · April 2024
BACKGROUND: The GRACE risk score is generically recommended by guidelines for timing of invasive coronary angiography without stating which score should be used. The aim was to determine the diagnostic performance of different GRACE risk scores in comparis ...
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Journal ArticleContemp Clin Trials Commun · April 2024
BACKGROUND: Registry-based trials have the potential to reduce randomized clinical trial (RCT) costs. However, observed cost differences also may be achieved through pragmatic trial designs. A systematic comparison of trial costs across different designs h ...
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Journal ArticleCirculation · March 26, 2024
BACKGROUND: Device-detected atrial fibrillation (also known as subclinical atrial fibrillation or atrial high-rate episodes) is a common finding in patients with an implanted cardiac rhythm device and is associated with an increased risk of ischemic stroke ...
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Journal ArticleCirculation · March 19, 2024
BACKGROUND: The efficacy and safety of non-vitamin-K antagonist oral anticoagulants (NOACs) across the spectrum of body mass index (BMI) and body weight (BW) remain uncertain. METHODS: We analyzed data from COMBINE AF (A Collaboration Between Multiple Inst ...
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Journal ArticleJ Am Coll Cardiol · March 5, 2024
BACKGROUND: Patients who sustain an acute myocardial infarction (AMI), including ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI), remain at high risk for heart failure (HF), coronary events, an ...
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Journal ArticleAm Heart J · March 2024
BACKGROUND: Despite guidelines and strong evidence supporting intravenous thrombolysis and endovascular thrombectomy for acute stroke, access to these interventions remains a challenge. The objective of the IMPROVE stroke care program was to accelerate acu ...
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Journal ArticleResusc Plus · March 2024
AIM OF THE STUDY: Survival to hospital discharge from out-of-hospital cardiac arrest (OHCA) after receiving treatment from emergency medical services (EMS) is less than 10% in the United States. Community-focused interventions improve survival rates, but t ...
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Journal ArticleAnn Intern Med · March 2024
Berg ES, Tegn NK, Abdelnoor M, et al; After Eighty Study Investigators. Long-term outcomes of invasive vs conservative strategies for older patients with non-ST-segment elevation acute coronary syndromes. J Am Coll Cardiol. 2023;82:2021-2030. 37968019. ...
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Journal ArticleSci Rep · February 24, 2024
While novel oral anticoagulants are increasingly used to reduce risk of stroke in patients with atrial fibrillation, vitamin K antagonists such as warfarin continue to be used extensively for stroke prevention across the world. While effective in reducing ...
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Journal ArticleN Engl J Med · January 11, 2024
BACKGROUND: Subclinical atrial fibrillation is short-lasting and asymptomatic and can usually be detected only by long-term continuous monitoring with pacemakers or defibrillators. Subclinical atrial fibrillation is associated with an increased risk of str ...
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Journal ArticleEur J Heart Fail · January 2024
AIM: It is unknown whether safety and clinical endpoints by use of sacubitril/valsartan (an angiotensin receptor-neprilysin inhibitor [ARNI]) are affected by mineralocorticoid receptor antagonists (MRA) in high-risk myocardial infarction (MI) patients. The ...
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Journal ArticleBMJ Open · December 18, 2023
OBJECTIVES: Compared with ST-segment elevation myocardial infarction (STEMI) patients, non-STEMI (NSTEMI) patients have more comorbidities and extensive coronary artery disease. Contemporary comparative data on the long-term prognosis of stable post-myocar ...
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Journal ArticleJAMA Neurol · December 1, 2023
IMPORTANCE: The STROKE AF study found that in patients with prior ischemic stroke attributed to large-artery atherosclerotic disease (LAD) or small-vessel occlusive disease (SVD), 12% developed AF over 1 year when monitored with an insertable cardiac monit ...
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Journal ArticleJAMA Cardiol · December 1, 2023
IMPORTANCE: Complete hardware removal is a class I recommendation for cardiovascular implantable electronic device (CIED) infection, but practice patterns and outcomes remain unknown. OBJECTIVE: To quantify the number of Medicare patients with CIED infecti ...
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ConferenceCirculation · November 7, 2023
Background:
Drone-delivered AEDs can improve access to defibrillation for OHCA. If drone-delivered AEDs arrive at the OHCA before EMS, then the OHCA’s first recorded rhythm may differ from that record ...
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ConferenceCirculation · November 7, 2023
Background:
Early defibrillation for out-of-hospital cardiac arrest (OHCA) can improve survival significantly, but timely access to AEDs remains a barrier especially in rural areas. We analyzed whethe ...
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ConferenceCirculation · November 7, 2023
Introduction:
Heart failure with preserved ejection fraction (HFpEF) is a poorly understood entity with phenotypic differences to heart failure with reduced ejection fraction (HFrEF). To shed light on ...
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ConferenceCirculation · November 7, 2023
Introduction:
N-terminal pro-B-type natriuretic peptide (NT-proBNP) is a potent predictor of heart failure (HF) and death following myocardial infarction (MI). NT-proBNP levels change post MI.
...
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ConferenceCirculation · November 7, 2023
Objectives:
The aims of this study were i) to examine the incidence, risk factors and subsequent mortality after high-risk acute myocardial infarction (AMI) and ii) compare the effects of sacubitril/v ...
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ConferenceCirculation · November 7, 2023
Background:
The initiation of blood pressure lowering pharmacologic agents during an acute myocardial infarction (AMI) can be challenging. The PARADISE MI trial randomised AMI patients with LV dysfunc ...
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ConferenceCirculation · November 7, 2023
Background:
Survival after out-of-hospital cardiac arrest has increased over the past two decades. However, little is known about the health-related quality of life of long-term survivors.
< ...
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Journal ArticleAm Heart J · November 2023
Rate control is fundamental in the treatment of patients with atrial fibrillation (AF). The independent association of heart rate with outcomes and range of heart rate associated with best outcomes remains uncertain. We assessed the relationship between he ...
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Journal ArticleJ Thromb Thrombolysis · November 2023
Understanding the pharmacodynamic effects of platelet inhibitors is standard for developing more effective antithrombotic therapies. An example is the antithrombotic treatment of acute coronary syndrome (ACS), in particular ST-elevated myocardial infarctio ...
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Journal ArticleJAMA Cardiol · November 1, 2023
IMPORTANCE: Allocating resources to increase survival after cardiac arrest requires survivors to have a good quality of life, but long-term data are lacking. OBJECTIVE: To determine the quality of life of survivors of out-of-hospital cardiac arrest from 20 ...
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Journal ArticleAm Heart J · October 2023
BACKGROUND: Percutaneous left atrial appendage (LAA) closure (LAAC) was developed as a nonpharmacologic alternative to oral anticoagulants (OACs) in patients with atrial fibrillation (AF) who are at an increased risk for stroke or systemic embolism. The Wa ...
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Journal ArticleJ Am Heart Assoc · September 5, 2023
Background Studies demonstrated sex differences in outcomes following acute myocardial infarction, with women more likely to develop heart failure (HF). Sacubitril/valsartan has been shown to reduce cardiovascular death and HF hospitalizations in patients ...
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Journal ArticleJ Am Coll Cardiol · August 8, 2023
BACKGROUND: Sodium-glucose cotransporter-2 (SGLT2) inhibitors and GLP-1 receptor agonists (GLP-1 RAs) reduce adverse cardiovascular outcomes in type 2 diabetes (T2D). However, the efficacy of combination therapy is unclear. OBJECTIVES: The aim of this stud ...
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Journal ArticleJ Am Coll Cardiol · August 8, 2023
Heart failure (HF) is a leading cause of death and disability in older adults. Despite decades of high-quality evidence to support their use, guideline-directed medical therapies (GDMTs) that reduce death and disease burden in HF have been suboptimally imp ...
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Journal ArticleEur J Heart Fail · August 2023
AIM: The globalization of clinical trials has highlighted geographic differences in patient characteristics, treatments, and outcomes. We examined these differences in PARADISE-MI. METHODS AND RESULTS: Overall, 23.0% were randomized in Eastern Europe/Russi ...
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Journal ArticleAm Heart J · August 2023
BACKGROUND: Zalunfiban (RUC-4) is a novel, subcutaneously administered glycoprotein IIb/IIIa inhibitor (GPI) designed for prehospital treatment to initiate reperfusion in the infarct-related artery (IRA) before primary percutaneous coronary intervention in ...
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Journal ArticleClin Trials · August 2023
BACKGROUND: There are unique opportunities related to the design and conduct of pragmatic trials embedded in health insurance plans, which have longitudinal data on member/patient demographics, dates of coverage, and reimbursed medical care, including pres ...
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Journal ArticleOpen Heart · August 2023
BACKGROUND: Insights on the differences in clinical outcomes, quality of life (QoL) and health resource utilisation (HRU) with different levels of care available to post-acute myocardial infarction (AMI) populations in rural and urban settings are limited. ...
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Journal ArticleCirculation · July 18, 2023
BACKGROUND: Systems of care have been developed across the United States to standardize care processes and improve outcomes in patients with ST-segment-elevation myocardial infarction (STEMI). The effect of contemporary STEMI systems of care on racial and ...
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Journal ArticleN Engl J Med · July 13, 2023
BACKGROUND: The cardiovascular safety of testosterone-replacement therapy in middle-aged and older men with hypogonadism has not been determined. METHODS: In a multicenter, randomized, double-blind, placebo-controlled, noninferiority trial, we enrolled 524 ...
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Journal ArticleEuropace · July 4, 2023
AIMS: Several biomarkers are associated with clinical outcomes in patients with atrial fibrillation (AF), but a causal relationship has not been established. This study aimed to evaluate angiopoietin-2, a novel candidate biomarker of endothelial inflammati ...
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Journal ArticleAm Heart J · July 2023
BACKGROUND: Decisions on stroke prevention strategies in patients with atrial fibrillation (AF) depend on the perceived risks of stroke and bleeding with different antithrombotic treatment strategies. The study objectives were to evaluate net clinical outc ...
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Journal ArticleCirculation · June 6, 2023
BACKGROUND: There is uncertainty surrounding the use of direct oral anticoagulants (DOACs) in patients with kidney dysfunction. METHODS: Using the COMBINE AF (A Collaboration Between Multiple Institutions to Better Investigate Non-Vitamin K Antagonist Oral ...
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Journal ArticleEur Heart J · May 21, 2023
AIMS: The prognosis of patients with atrial fibrillation (AF) and ischemic stroke while taking oral anticoagulation is poorly understood. This study aimed to characterize the outcomes of patients following a stroke event while on oral anticoagulation. METH ...
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Journal ArticleOpen Heart · May 2023
OBJECTIVE: Postmarketing observational studies report that a substantial percentage of patients with atrial fibrillation (AF) receive a reduced non-vitamin K antagonist oral anticoagulant (NOAC) dose without a clear indication. Recently, increasing evidenc ...
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Journal ArticleCirc Heart Fail · May 2023
BACKGROUND: NT-proBNP (N-terminal pro-B-type natriuretic peptide) is a potent predictor of death and heart failure (HF) across multiple populations. We evaluated the prognostic importance of NT-proBNP in patients with acute myocardial infarction (MI) compl ...
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Journal ArticleJAMA · April 18, 2023
IMPORTANCE: Evidence-based therapies to reduce atherosclerotic cardiovascular disease risk in adults with type 2 diabetes are underused in clinical practice. OBJECTIVE: To assess the effect of a coordinated, multifaceted intervention of assessment, educati ...
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Journal ArticleJ Am Coll Cardiol · April 4, 2023
Infection remains a serious complication associated with the cardiac implantable electronic devices (CIEDs), leading to substantial clinical and economic burden globally. This review assesses the burden of cardiac implantable electronic device infection (C ...
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Journal ArticleJ Am Geriatr Soc · April 2023
BACKGROUND: The contemporary uptake of lipid-lowering therapies (LLT), including more intensive treatment with high-intensity statins and non-statin LLT, among U.S. older adults (≥75 years old) with ASCVD is unknown. METHODS: In this multicenter retrospect ...
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Journal ArticleCan J Cardiol · April 2023
Targeted temperature management (TTM) after out-of-hospital cardiac arrest (OHCA) has been a focus of debate in an attempt to improve post-arrest outcomes. Contemporary trials examining the role of TTM after cardiac arrest suggest that targeting normotherm ...
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Journal ArticleAm Heart J · April 2023
BACKGROUND: Early and complete restoration of target vessel patency in ST-elevation myocardial infarction (STEMI) is associated with improved outcomes. Oral P2Y12 inhibitors have failed to demonstrate either improved patency or reduced mortality when admin ...
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Journal ArticleThe Canadian journal of cardiology · April 2023
Cardiac arrest (CA) is associated with a low rate of survival with favourable neurologic recovery. The most common mechanism of death after successful resuscitation from CA is withdrawal of life-sustaining measures on the basis of perceived poor neurologic ...
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Journal ArticleJ Am Coll Cardiol · February 28, 2023
Factor XI/XIa (FXI/FXIa) represents a potential target for improved precision in anticoagulation because it is involved primarily in thrombus formation and plays a much smaller role in clotting and hemostasis. This suggests that the inhibition of FXI/XIa c ...
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Journal ArticleAm Heart J · February 2023
Several medications that are proven to reduce cardiovascular events exist for individuals with type 2 diabetes mellitus (T2DM) and atherosclerotic cardiovascular disease, however they are substantially underused in clinical practice. Clinician, patient, an ...
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Journal ArticleResuscitation · February 2023
BACKGROUND: Cardiac arrest (CA) is a common reason for admission to the cardiac intensive care unit (CICU), though the relative burden of morbidity, mortality, and resource use between admissions with in-hospital (IH) and out-of-hospital (OH) CA is unknown ...
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ConferenceStroke · February 2023
Background:
Oral anticoagulation (OAC) is a risk factor for intracerebral hemorrhage (ICH) which is an important source of disability and mortality. OAC-associated ICH (OAC-ICH) patients have worse ou ...
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Journal ArticleEur Heart J · January 14, 2023
AIMS: Biomarkers specifically related to atrial tissue may increase the understanding of the pathophysiology of atrial fibrillation (AF) and further improve risk prediction in this setting. Bone morphogenetic protein 10 (BMP10) is a protein expressed in th ...
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Journal ArticleJAMA Neurol · January 1, 2023
IMPORTANCE: The Stroke of Known Cause and Underlying Atrial Fibrillation (STROKE AF) trial found that approximately 1 in 8 patients with recent ischemic stroke attributed to large- or small-vessel disease had poststroke atrial fibrillation (AF) detected by ...
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Journal ArticleEur Heart J Cardiovasc Pharmacother · December 15, 2022
Ribonucleic acid (RNA)-targeted therapeutics, including antisense oligonucleotide technologies as well as small interfering RNAs (siRNAs), represent a new class of medications that may overcome several of the disadvantages of small molecule drugs or monocl ...
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Journal ArticleCirculation · December 6, 2022
BACKGROUND: There are no randomized data evaluating the safety or efficacy of apixaban for stroke prevention in patients with end-stage kidney disease on hemodialysis and with atrial fibrillation (AF). METHODS: The RENAL-AF trial (Renal Hemodialysis Patien ...
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Journal ArticleCirculation · December 6, 2022
BACKGROUND: In patients who survive an acute myocardial infarction (AMI), angiotensin-converting enzyme inhibitors decrease the risk of subsequent major cardiovascular events. Whether angiotensin-receptor blockade and neprilysin inhibition with sacubitril/ ...
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Journal ArticleClin Cardiol · December 2022
BACKGROUND: Data on the association of multimorbidity and functional impairment with cardiovascular (CV) and non-CV outcomes among older myocardial infarction (MI) patients are limited. HYPOTHESIS: Multimorbidity and functional impairment among older MI pa ...
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Journal ArticleAnn Intern Med · December 2022
Lindholt JS, Søgaard R, Rasmussen LM, et al. Five-year outcomes of the Danish Cardiovascular Screening (DANCAVAS) trial. N Engl J Med. 2022;387:1385-94. 36027560. ...
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Journal ArticleStat (Int Stat Inst) · December 2022
An app-based clinical trial enrolment process can contribute to duplicated records, carrying data management implications. Our objective was to identify duplicated records in real time in the Apple Heart Study (AHS). We leveraged personal identifiable info ...
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Journal ArticleJAMA · November 22, 2022
IMPORTANCE: Recognizing the association between timely treatment and less myocardial injury for patients with ST-segment elevation myocardial infarction (STEMI), US national guidelines recommend specific treatment-time goals. OBJECTIVE: To describe these p ...
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ConferenceCirculation · November 8, 2022
Introduction:
In the AUGUSTUS trial, patients randomized to apixaban had lower rates of major or clinically relevant non-major (CRNM) bleeding, lower rates of death or hospitalization, and similar rat ...
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ConferenceCardiovascular Research · October 21, 2022
AbstractBackgroundThe importance of time to reperfusion after ST-elevation myocardial infarction (STEMI) is well established. Pre-hosp ...
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Journal ArticleESC Heart Fail · October 2022
AIMS: The Candesartan in Heart failure Assessment of Reduction in Mortality and morbidity (CHARM) programme consisted of three parallel, randomized, double-blind clinical trials comparing candesartan with placebo in patients with heart failure (HF) categor ...
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Journal ArticleJ Card Fail · October 2022
BACKGROUND: It is unknown whether digital applications can improve guideline-directed medical therapy (GDMT) and outcomes in heart failure with reduced ejection fraction (HFrEF). METHODS AND RESULTS: Care Optimization Through Patient and Hospital Engagemen ...
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Journal ArticleEur J Heart Fail · October 2022
AIM: The win ratio can incorporate different types of outcomes and enhance statistical power, making it a useful method for analysing composite outcomes in cardiovascular trials. The application of this approach to the PARADISE-MI trial provides an additio ...
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Journal ArticleJ Nurs Adm · October 1, 2022
OBJECTIVE: The purpose of this quality improvement project was to improve health system patient safety by creating a cardiac monitoring structure aligned with national standards. BACKGROUND: Excessive alarms pose patient safety threats and are often false ...
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Journal ArticleJ Am Heart Assoc · September 6, 2022
Background Cardiac intensive care units were originally created in the prerevascularization era for the early recognition of ventricular arrhythmias following a myocardial infarction. Many patients with stable ST-segment-elevation myocardial infarction (ST ...
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Journal ArticleAm Heart J · September 2022
BACKGROUND: Morphine is commonly used to relieve pain, anxiety and dyspnea in STEMI but it lowers blood pressure and delays the activity of oral antiplatelet agents. The impact of morphine on clinical outcomes remains unknown. This analysis was performed t ...
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Journal ArticleAm Heart J · September 2022
BACKGROUND: Atrial fibrillation (AF) and heart failure (HF) often coexist. We investigated the prognostic impact of biomarkers on the development of HF and death in patients with AF and different left ventricular systolic function considering the influence ...
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Journal ArticleJ Card Fail · August 2022
BACKGROUND: Health system-level interventions to improve use of guideline-directed medical therapy (GDMT) often fail in the acute care setting. We sought to identify factors associated with high performance in adoption of GDMT among health systems in CONNE ...
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Journal ArticleCardiovasc Res · July 20, 2022
AIMS: Atrial fibrillation (AF) is associated with higher mortality. Biomarkers may improve the understanding of key pathophysiologic processes in AF that lead to death. Using a new multiplex analytic technique, we explored the association between 268 bioma ...
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Journal ArticleAm Heart J · July 2022
BACKGROUND: We explored the effect of discontinuing versus continuing angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) on clinical outcomes in patients with COVID-19 according to baseline disease severity. METHOD ...
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Journal ArticleJAMA Cardiol · July 1, 2022
IMPORTANCE: Data are limited regarding the risk of cerebrovascular ischemic events and major bleeding in patients with atrial fibrillation (AF) and recent acute coronary syndrome (ACS) and/or percutaneous coronary intervention (PCI). OBJECTIVE: Determine t ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · June 22, 2022
Targeted temperature management (TTM) has become a cornerstone in the treatment of comatose post-cardiac arrest patients over the last two decades. Belief in the efficacy of this intervention for improving neurologically intact survival was based on two tr ...
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Journal ArticleJACC Cardiovasc Interv · June 13, 2022
BACKGROUND: The author recently reported ∼50% excess early mortality in patients with first-presentation ST-segment elevation myocardial infarction (STEMI) without standard modifiable cardiovascular risk factors (SMuRFs); the cause of this is not clear. OB ...
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Journal ArticleJ Am Heart Assoc · June 7, 2022
Background We sought to determine recurrent stroke predictors among patients with embolic strokes of undetermined source (ESUS). Methods and Results We applied Cox proportional hazards models to identify clinical features associated with recurrent stroke a ...
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Journal ArticleJ Am Coll Cardiol · May 10, 2022
Cardiovascular disease is a leading cause of morbidity and mortality in individuals with type 2 diabetes mellitus. These high-risk patients benefit from aggressive risk factor management, with blood pressure and low-density lipoprotein-cholesterol treatmen ...
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Journal ArticleJ Am Coll Cardiol · May 10, 2022
BACKGROUND: Preventive therapy among patients with established atherosclerotic cardiovascular disease (ASCVD) is generally underused. Whether new guideline recommendations and a focus on implementation have improved the use of high-intensity statins is unk ...
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Journal ArticleEur Heart J Cardiovasc Pharmacother · May 5, 2022
AIMS: Whether diabetes without insulin therapy is an independent cardiovascular (CV) risk factor in atrial fibrillation (AF) has recently been questioned. We investigated the prognostic relevance of diabetes with or without insulin treatment in patients in ...
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Journal ArticleJ Biopharm Stat · May 4, 2022
The digital clinical trial is fast emerging as a pragmatic trial that can improve a trial's design including recruitment and retention, data collection and analytics. To that end, digital platforms such as electronic health records or wearable technologies ...
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Journal ArticleJAMA Netw Open · May 2, 2022
IMPORTANCE: Only about half of patients with atrial fibrillation (AF) who are at increased risk for stroke are treated with an oral anticoagulant (OAC), despite guideline recommendations for their use. Educating patients with AF about prevention of stroke ...
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Journal ArticleJ Thromb Thrombolysis · May 2022
Early prediction of significant morbidity or mortality in patients with acute ST-segment elevation myocardial infarction (STEMI) represents an unmet clinical need. In phenotypically matched population of 139 STEMI patients (72 cases, 67 controls) treated w ...
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Journal ArticleAnn Intern Med · May 2022
Lehtisalo J, Rusanen M, Solomon A, et al. Effect of a multi-domain lifestyle intervention on cardiovascular risk in older people: the FINGER trial. Eur Heart J. 2022. [Epub ahead of print.] 35051281. ...
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Journal ArticleJ Cardiol · April 2022
BACKGROUND: Patterns of dual antiplatelet therapy (DAPT) use beyond 1 year post-myocardial infarction (MI) have not been well studied. METHODS: TIGRIS (NCT01866904) was a prospective, multi-center (369 centers in 24 countries), observational study of patie ...
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Journal ArticleAm Heart J · March 2022
BACKGROUND: Testosterone exerts some effects on the cardiovascular system that could be considered beneficial; some other effects may potentially increase the risk of cardiovascular (CV) events. Neither the long-term efficacy nor safety of testosterone tre ...
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Journal ArticleJ Am Coll Cardiol · February 8, 2022
BACKGROUND: The use of apixaban instead of vitamin K antagonists (VKA) as well as dropping aspirin results in less bleeding and comparable ischemic events in patients with atrial fibrillation and acute coronary syndrome and/or percutaneous coronary interve ...
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Journal ArticleOpen Heart · February 2022
OBJECTIVE: Managing antithrombotic therapy in patients with atrial fibrillation (AF) and an acute coronary syndrome (ACS) and/or percutaneous coronary intervention (PCI) is challenging and can be affected by prior oral anticoagulant (OAC) treatment. We exa ...
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Journal ArticleJAMA Netw Open · February 1, 2022
IMPORTANCE: Based on contemporary estimates in the US, evidence-based therapies for cardiovascular risk reduction are generally underused among patients with type 2 diabetes and atherosclerotic cardiovascular disease (ASCVD). OBJECTIVE: To determine the us ...
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Journal ArticleCirculation · January 25, 2022
BACKGROUND: Direct oral anticoagulants (DOACs) are preferred over warfarin for stroke prevention in atrial fibrillation. Meta-analyses using individual patient data offer substantial advantages over study-level data. METHODS: We used individual patient dat ...
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Journal ArticleFront Genet · 2022
Apixaban is a direct oral anticoagulant, a factor Xa inhibitor, used for the prevention of ischemic stroke in patients with atrial fibrillation. Despite using recommended dosing a few patients might still experience bleeding or lack of efficacy that might ...
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Journal ArticleThromb Haemost · December 2021
Early recanalization of the infarct-related artery to achieve myocardial reperfusion is the primary therapeutic goal in patients with ST-elevation myocardial infarction (STEMI). To decrease the duration of ischaemia, continuous efforts have been made to im ...
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Journal ArticleOpen Heart · December 2021
OBJECTIVE: Atrial fibrillation (AF) and myocardial infarction (MI) are commonly comorbid and associated with adverse outcomes. Little is known about the impact of AF on quality of life and outcomes post-MI. We compared characteristics, quality of life and ...
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ConferenceCirculation · November 30, 2021
BACKGROUND: A proportion of patients with embolic stroke of undetermined source have silent atrial fibrillation (AF) or develop AF after the initial evaluation. Better understanding of the risk for development of AF is critical to implement optimal monitor ...
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Journal ArticleN Engl J Med · November 11, 2021
BACKGROUND: In patients with symptomatic heart failure, sacubitril-valsartan has been found to reduce the risk of hospitalization and death from cardiovascular causes more effectively than an angiotensin-converting-enzyme inhibitor. Trials comparing the ef ...
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Journal ArticleHeart · November 2021
OBJECTIVE: Approximately 10% of patients with myocardial infarction (MI) have no obstructive coronary artery disease. The prognosis and role of intensified antiplatelet therapy in those patients were evaluated. METHODS: We analysed data from the Clopidogre ...
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Journal ArticleJ Thromb Haemost · November 2021
BACKGROUND: Oral anticoagulants (OAC) in patients with atrial fibrillation (AF) prevent thromboembolic events, but are associated with significant risk of bleeding. OBJECTIVES: To explore associations between a wide range of biomarkers and bleeding risk in ...
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Journal ArticleJ Am Heart Assoc · September 7, 2021
Background Following the implementation of the HeartRescue project, with interventions in the community, emergency medical services, and hospitals to improve care and outcomes for out-of-hospital cardiac arrests (OHCA) in North Carolina, improved bystander ...
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Journal ArticleEuroIntervention · August 6, 2021
BACKGROUND: Pre-hospital platelet inhibition in patients with ST-segment elevation myocardial infarction (STEMI) may improve outcomes. RUC-4 is a novel, second-generation glycoprotein IIb/IIIa inhibitor designed for first-point-of-medical-contact treatment ...
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Journal ArticleClin Res Cardiol · August 2021
BACKGROUND: Sudden death (SD) and pump failure death (PFD) are leading modes of death in heart failure and preserved ejection fraction (HFpEF). Risk stratification for mode-specific death may aid in patient enrichment for new device trials in HFpEF. METHOD ...
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Journal ArticleStroke · August 2021
Occult atrial fibrillation (AF) is a leading cause of stroke of unclear cause. The optimal approach to secondary stroke prevention for these patients remains elusive. The term embolic stroke of undetermined source (ESUS) was coined to describe ischemic str ...
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Journal ArticleJAMA · July 27, 2021
IMPORTANCE: Adoption of guideline-directed medical therapy for patients with heart failure is variable. Interventions to improve guideline-directed medical therapy have failed to consistently achieve target metrics, and limited data exist to inform efforts ...
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Journal ArticleCirculation · July 6, 2021
Multiple sodium glucose cotransporter-2 inhibitors (SGLT-2i) and glucagon-like peptide-1 receptor agonists (GLP-1RA) have been shown to impart significant cardiovascular and kidney benefits, but are underused in clinical practice. Both SGLT-2i and GLP-1RA ...
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Journal ArticleJAMA Netw Open · July 1, 2021
IMPORTANCE: Randomized clinical trials (RCTs) are critical in advancing patient care, yet conducting such large-scale trials requires tremendous resources and coordination. Clinical site start-up performance metrics can provide insight into opportunities f ...
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Journal ArticleEur J Heart Fail · June 2021
AIMS: Patients surviving an acute myocardial infarction (AMI) are at risk of developing symptomatic heart failure (HF) or premature death. We hypothesized that sacubitril/valsartan, effective in the treatment of chronic HF, prevents development of HF and r ...
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Journal ArticleJAMA · June 1, 2021
IMPORTANCE: Patients with ischemic stroke attributed to large- or small-vessel disease are not considered at high risk for atrial fibrillation (AF), and the AF incidence rate in this population is unknown. OBJECTIVES: To determine whether long-term cardiac ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · May 11, 2021
BACKGROUND: Risk stratification and management of hemodynamically stable pulmonary embolism remains challenging. Professional societies have published stratification schemes, but little is known about the management of patients with intermediate risk pulmo ...
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Journal ArticleHeart · May 2021
AIMS: The ARISTOTLE (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) trial randomised patients with atrial fibrillation at risk of stroke to apixaban or warfarin. We sought to describe patients from ARISTOTLE who pr ...
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Journal ArticleAnn Intern Med · May 2021
Soto-Mota A, Marfil-Garza BA, Martinez Rodriguez E, et al. The low-harm score for predicting mortality in patients diagnosed with COVID-19: a multicentric validation study. J Am Coll Emerg Physicians Open. 2020;1:1436-43. 33230506. ...
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Journal ArticleJAMA Cardiol · April 1, 2021
IMPORTANCE: Sequencing studies have identified causal genetic variants for distinct subtypes of heart failure (HF) such as hypertrophic or dilated cardiomyopathy. However, the role of rare, high-impact variants in HF, for which ischemic heart disease is th ...
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Journal ArticleCirculation · March 23, 2021
BACKGROUND: In the AUGUSTUS trial (An Open-Label, 2×2 Factorial, Randomized Controlled, Clinical Trial to Evaluate the Safety of Apixaban Versus Vitamin K Antagonist and Aspirin Versus Aspirin Placebo in Patients With Atrial Fibrillation and Acute Coronary ...
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Journal ArticleAm Heart J · March 2021
BACKGROUND: Non-vitamin K antagonist oral anticoagulants (NOACs) are the preferred class of medications for prevention of stroke and systemic embolism in patients with atrial fibrillation unless contraindications exist. Five large, international, randomize ...
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Journal ArticleAm Heart J · March 2021
BACKGROUND: In patients with coronary heart disease (CHD), atrial fibrillation (AF) is associated with increased morbidity and mortality. We investigated the associations between clinical risk factors and biomarkers with incident AF in patients with CHD. M ...
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Journal ArticleStroke · March 2021
BACKGROUND AND PURPOSE: Patent foramen ovale (PFO) may increase the risk of embolic stroke of undetermined source (ESUS). Guidelines suggest anticoagulation may be more effective than antiplatelets in preventing stroke in patients with ESUS and PFO when in ...
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Journal ArticleOpen Heart · March 2021
OBJECTIVES: Growth differentiation factor 15 (GDF-15) is a biomarker independently associated with bleeding and death in anticoagulated patients with atrial fibrillation (AF). GDF-15 is also used as one component in the more precise biomarker-based ABC (ag ...
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ConferenceStroke · March 2021
Background:
IMPROVE Stroke Care is a regional implementation science study in the Southeastern US aimed at reducing acute stroke treatment times and improving outcomes through wide scale application o ...
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Journal ArticleCirculation · February 9, 2021
A growing number of patients undergoing percutaneous coronary intervention (PCI) with stent implantation also have atrial fibrillation. This poses challenges for their optimal antithrombotic management because patients with atrial fibrillation undergoing P ...
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Journal ArticleCirc Cardiovasc Interv · February 2021
BACKGROUND: Symptom-to-balloon time (SBT) and door-to-balloon time (DBT) are both considered important metrics in patients undergoing primary percutaneous coronary intervention (pPCI) for ST-segment-elevation myocardial infarction (STEMI). We sought to ass ...
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Journal ArticleOpen Heart · February 2021
OBJECTIVE: To assess associations of health-related quality of life (HRQoL) with patient profile, resource use, cardiovascular (CV) events and mortality in stable patients post-myocardial infarction (MI). METHODS: The global, prospective, observational TIG ...
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Journal ArticleJ Am Heart Assoc · January 19, 2021
Background Evidence-based therapies are generally underused for cardiovascular risk reduction; however, less is known about contemporary patients with type 2 diabetes mellitus and atherosclerotic cardiovascular disease. Methods and Results Pharmacy and med ...
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Journal ArticleJAMA · January 19, 2021
IMPORTANCE: It is unknown whether angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin II receptor blockers (ARBs) have a positive, neutral, or negative effect on clinical outcomes in patients with coronavirus disease 2019 (COVID-19). OBJECTIVE: ...
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Journal ArticleJ Am Heart Assoc · December 15, 2020
Background To explore the pathophysiological features of ischemic stroke in patients with atrial fibrillation (AF), we evaluated the association between 268 plasma proteins and subsequent ischemic stroke in 2 large AF cohorts receiving oral anticoagulation ...
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Journal ArticleClin Cardiol · December 2020
BACKGROUND: Diabetes mellitus (DM) is associated with increased cardiovascular (CV) risk. We compared health-related quality of life (HRQoL), healthcare resource utilization (HRU), and clinical outcomes of stable post-myocardial infarction (MI) patients wi ...
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Journal ArticleJ Am Heart Assoc · December 2020
Background Knowledge is scarce regarding how multimorbidity is associated with therapeutic decisions regarding oral anticoagulants (OACs) in patients with atrial fibrillation. Methods and Results We conducted a cross-sectional study of hospitalized patient ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · November 27, 2020
BACKGROUND: Risk stratification and management of hemodynamically stable pulmonary embolism remains challenging. Professional societies have published stratification schemes, but little is known about the management of patients with intermediate risk pulmo ...
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ConferenceCirculation · November 17, 2020
Introduction:
Bystander CPR (B-CPR) and defibrillation for sudden cardiac arrest (SCA) vary by gender with females being less likely to receive these interventions. Despite known differences by race a ...
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Journal ArticleJAMA Cardiol · November 1, 2020
IMPORTANCE: Conducting a clinical trial involves significant risks, time, and resources. The return on investment for these trials, measured by advancing health care and contributions to the scientific literature, is often uncertain. OBJECTIVE: To assess t ...
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Journal ArticleAm Heart J · November 2020
BACKGROUND: Many studies showing underuse of oral anticoagulants (OACs) in patients with atrial fibrillation (AF) predated the advent of the non-vitamin K antagonist OACs. We retrospectively examined use of OACs in a large commercially insured population. ...
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Journal ArticleEur Heart J · November 1, 2020
AIMS: The global COVID-19 pandemic is caused by the SARS-CoV-2 virus entering human cells using angiotensin-converting enzyme 2 (ACE2) as a cell surface receptor. ACE2 is shed to the circulation, and a higher plasma level of soluble ACE2 (sACE2) might refl ...
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Journal ArticleAnn Intern Med · October 20, 2020
Navarese EP, Khan SU, Kolodziejczak M, et al. Comparative efficacy and safety of oral P2Y 12 inhibitors in acute coronary syndrome: network meta-analysis of 52Â 816 patients from 12 randomized trials. Circulation. 2020;142:150-60. 32468837. ...
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Journal ArticleJ Am Heart Assoc · September 15, 2020
Background We compared different methods of estimated glomerular filtration rate (eGFR) and their association with cardiovascular death and major bleeding in 14Â 980 patients with atrial fibrillation in the ARISTOTLE (Apixaban for Reduction in Stroke and Ot ...
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Journal ArticleJ Thromb Haemost · September 2020
BACKGROUND: The inflammatory biomarker interleukin-6 (IL-6) is associated with mortality in atrial fibrillation (AF). OBJECTIVE: To investigate if repeated IL-6 measurements improve the prognostication for stroke or systemic embolism, major bleeding, and m ...
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Journal ArticleThromb Res · September 2020
BACKGROUND: Atrial fibrillation (AF) is associated with a 5-fold increased risk of thromboembolic stroke. Extracellular vesicles (EVs) convey pathophysiological information and are possible biomarkers for risk of stroke. METHODS: EVs were measured in 836 p ...
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Journal ArticleJAMA Netw Open · September 1, 2020
IMPORTANCE: Most patients with atrial fibrillation (AF) and coronary artery disease have indications for preventing stroke with oral anticoagulation therapy and preventing myocardial infarction and stent thrombosis with platelet inhibition. OBJECTIVE: To e ...
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Journal ArticleJ Am Coll Cardiol · August 4, 2020
Concerns about the external validity of traditional randomized clinical trials (RCTs), together with the widespread availability of real-world data and advanced data analytic tools, have led to claims that common sense and clinical observation, rather than ...
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Journal ArticleCatheter Cardiovasc Interv · August 2020
BACKGROUND: Prior randomized controlled trials (RCT) evaluating the optimal antithrombotic therapies for patients with atrial fibrillation (AF) undergoing percutaneous coronary intervention (PCI) have not been powered to evaluate ischemic outcomes. We comp ...
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Journal ArticleEur J Prev Cardiol · August 2020
BACKGROUND: A novel approach to determine the effect of a treatment is to calculate the delay of event, which estimates the gain of event-free time. The aim of this study was to estimate gains in event-free time for stroke or systemic embolism, death, blee ...
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Journal ArticleJ Intern Med · August 2020
BACKGROUND: Cardiac troponin T (cTnT) and I (cTnI) concentrations provide strong prognostic information in anticoagulated patients with atrial fibrillation (AF). Whether the associations between cardiac troponin concentrations and mortality and morbidity d ...
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Journal ArticleAm Heart J · August 2020
Angiotensin-converting enzyme-2 (ACE2) expression may increase due to upregulation in patients using angiotensin-converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARBs). Because renin-angiotensin system blockers increase levels of ACE2 ...
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Journal ArticleCan J Cardiol · August 2020
Antiplatelet therapy for patients with coronary artery disease has evolved dramatically over the last decade. P2Y12 inhibitors offering more potent and consistent platelet inhibition than clopidogrel are now widely available, dual antiplatelet therapy (DAP ...
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Journal ArticleClin Trials · August 2020
IMPACT-AFib was an 80,000-patient randomized clinical trial implemented by five US insurance companies (health plans) aimed at increasing the use of oral anticoagulants by individuals with atrial fibrillation who were at high risk of stroke and not on trea ...
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Journal ArticleInt J Cardiol · July 15, 2020
BACKGROUND: Evidence is lacking on long-term outcomes in unselected patients surviving the first year following myocardial infarction (MI). METHODS AND RESULTS: The TIGRIS (long-Term rIsk, clinical manaGement and healthcare Resource utilization of stable c ...
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Journal ArticleJ Am Heart Assoc · July 7, 2020
Background Despite restoration of epicardial flow following primary percutaneous coronary intervention (PPCI), microvascular reperfusion as reflected by ST-elevation resolution (ST-ER) resolution remains variable and its pathophysiology remains unclear. Me ...
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Journal ArticleResuscitation · July 2020
AIM: We examined overall and temporal differences in out-of-hospital cardiac arrest (OHCA) care and outcomes by urban versus non-urban setting separately for North Carolina (NC) and Washington State (WA) during HeartRescue initiatives and associations of u ...
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Journal ArticleAm Heart J · July 2020
BACKGROUND: In patients with stable coronary heart disease, it is not known whether achievement of standard of care (SOC) targets in addition to evidence-based medicine (EBM) is associated with lower major adverse cardiovascular events (MACE): cardiovascul ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · July 2020
BACKGROUND: Catheterization laboratory (cath lab) activation time is a newly available process measure for patients with ST-segment-elevation myocardial infarction requiring inter-hospital transfers for primary percutaneous coronary intervention that refle ...
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Journal ArticleJAMA Cardiol · June 1, 2020
IMPORTANCE: Under the current Centers for Medicare & Medicaid Services guidelines, there is incentivization to optimize posttransplant outcomes regardless of mortality among patients on the waitlist and transplant rates; few data exist with regard to trans ...
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Journal ArticleStroke · June 2020
Background and Purpose- The RE-SPECT ESUS trial (Randomized, Double-Blind, Evaluation in Secondary Stroke Prevention Comparing the Efficacy and Safety of the Oral Thrombin Inhibitor Dabigatran Etexilate Versus Acetylsalicylic Acid in Patients With Embolic ...
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Journal ArticleCirculation · May 19, 2020
BACKGROUND: In AUGUSTUS (Open-Label, 2×2 Factorial, Randomized, Controlled Clinical Trial to Evaluate the Safety of Apixaban vs Vitamin K Antagonist and Aspirin vs Aspirin Placebo in Patients With Atrial Fibrillation and Acute Coronary Syndrome and/or Perc ...
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Journal ArticleJ Am Heart Assoc · May 18, 2020
Background Identification of patients with stable coronary heart disease who are at significant residual risk could be helpful for targeted prevention. Our aim was to determine the prognostic value of the recently introduced ceramide- and phospholipid-base ...
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Journal ArticleAm Heart J · May 13, 2020
Background: Angiotensin-converting enzyme-2 (ACE2) may increase due to upregulation in patients using angiotensin-converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARB). Because renin-angiotensin system blockers increase levels of ACE2 ...
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Journal ArticleJAMA Cardiol · May 1, 2020
IMPORTANCE: Antithrombotic treatment in patients with atrial fibrillation (AF) and percutaneous coronary intervention (PCI) presents a balancing act with regard to bleeding and ischemic risks. OBJECTIVES: To evaluate the safety and efficacy of 4 antithromb ...
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Journal ArticleCirculation · April 28, 2020
BACKGROUND: Compared with the general population, patients with advanced chronic kidney disease have a >10-fold higher burden of atrial fibrillation. Limited data are available guiding the use of nonvitamin K antagonist oral anticoagulants in this populati ...
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Journal ArticleJ Am Coll Cardiol · April 21, 2020
BACKGROUND: Smoking is a well-established risk factor for ST-segment elevation myocardial infarction (STEMI); however, once STEMI occurs, smoking has been associated with favorable short-term outcomes, an observation termed the "smoker's paradox." It has b ...
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Journal ArticleAm Heart J · April 2020
The AHA Guidelines recommend developing multi-tiered systems for the care of patients with acute stroke.1 An ideal stroke system of care should ensure that all patients receive the most efficient and timely care, regardless of how they first enter or acces ...
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Journal ArticleJ Am Coll Cardiol · March 24, 2020
BACKGROUND: Atrial fibrillation (AF) is common in patients with end-stage renal disease (ESRD). The impact of oral anticoagulation (OAC) in ESRD patients is uncertain. OBJECTIVES: The purpose of this study was to describe patterns of OAC use in ESRD patien ...
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Journal ArticleJ Clin Med · March 20, 2020
BACKGROUND: Little is known about clinical outcomes of patients with acute myocardial infraction (AMI) complicated by cardiogenic shock (CS) requiring mechanical ventilation (MV). The aim of this study was to identify the characteristics, risk factors, and ...
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Journal ArticleJ Am Coll Cardiol · March 17, 2020
BACKGROUND: In the ARISTOTLE (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) trial, patients with atrial fibrillation and ≥2 dose-adjustment criteria (age ≥80 years, weight ≤60 kg, or creatinine ≥1.5 mg/dl [133 μmo ...
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Journal ArticleCirculation · March 10, 2020
Responding to concerns about the potential for increased risk of adverse cardiovascular outcomes, specifically myocardial infarction, associated with certain glucose-lowering therapies, the US Food and Drug Administration and the Committee for Medicinal Pr ...
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Journal ArticleEur Heart J · March 7, 2020
AIMS: As health systems around the world increasingly look to measure and improve the value of care that they provide to patients, being able to measure the outcomes that matter most to patients is vital. To support the shift towards value-based health car ...
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Journal ArticleAm Heart J · March 2020
OBJECTIVES: A history of gastrointestinal bleeding (GIB) in patients with atrial fibrillation (AF) may impact decisions about anticoagulation treatment. We sought to determine whether prior GIB in patients with AF taking anticoagulants was associated with ...
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Journal ArticleInt J Cardiol · March 1, 2020
BACKGROUND: Variation in patient characteristics and practice patterns may influence outcomes at a regional level. METHODS: We assessed differences in demographics, practice patterns, outcomes, and the effect of apixaban compared with warfarin in ARISTOTLE ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · March 2020
Most of the guideline-recommended treatment strategies for patients with acute coronary syndromes have been tested in large randomised clinical trials. Still, a major challenge is represented by patients with acute myocardial infarction admitted with impen ...
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Journal ArticleJAMA · February 25, 2020
This study uses SECURE-PCI trial data to compare the effects of periprocedural loading doses of atorvastatin vs placebo on major adverse cardiac events (MACE) 12 months after randomization in patients with acute coronary syndrome (ACS) and planned invasive ...
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Journal ArticleAm Heart J · February 2020
Many therapies have been shown to improve outcomes for patients with heart failure (HF) in controlled settings, but there are limited data available to inform best practices for hospital and post-discharge quality improvement initiatives. The CONNECT-HF st ...
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Journal ArticleAm Heart J · February 2020
BACKGROUND: Pulmonary wall isolation (PWI) is increasingly used as an adjunctive lesion set to compliment pulmonary vein isolation (PVI), especially in patients with persistent atrial fibrillation (AF). The objective was to compare outcomes of catheter abl ...
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Journal ArticleAm Heart J · February 2020
BACKGROUND: Although spontaneous reperfusion (SR) prior to primary percutaneous coronary intervention (pPCI) is associated with improved outcomes, its pathophysiology remains unclear. The objective of the study was to explore associations between SR in ST- ...
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Journal ArticleCirculation · January 7, 2020
BACKGROUND: The use of nonsteroidal anti-inflammatory drugs (NSAIDs) with oral anticoagulants has been associated with an increased risk of bleeding. We investigated the risk of bleeding and major cardiovascular outcomes in patients with atrial fibrillatio ...
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Journal ArticleClin Cardiol · January 2020
BACKGROUND: Risk prediction tools are lacking for patients with stable disease some years after myocardial infarction (MI). HYPOTHESIS: A practical long-term cardiovascular risk index can be developed. METHODS: The long-Term rIsk, Clinical manaGement and h ...
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Journal ArticleWellcome open research · January 2020
Background: Adherence to a complex, yet effective medication regimen improves clinical outcomes in patients with chronic heart failure (CHF). However, patient adherence to an agreed upon plan for medication-taking is sub-optimal and continues to hov ...
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Journal ArticleCirculation · December 3, 2019
BACKGROUND: The safety and efficacy of antithrombotic regimens may differ between patients with atrial fibrillation who have acute coronary syndromes (ACS), treated medically or with percutaneous coronary intervention (PCI), and those undergoing elective P ...
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Journal ArticleJ Cardiovasc Electrophysiol · December 2019
Atrial fibrillation (AF) is the most common clinically relevant arrhythmia and confers a fivefold increased risk for stroke. Cardioembolic stroke secondary to AF is a devastating event, but is largely preventable with appropriate oral anticoagulation (OAC) ...
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Journal ArticleAm Heart J · December 2019
BACKGROUND: Medicare insurance claims may provide an efficient means to ascertain follow-up of older participants in clinical research. We sought to determine the accuracy and completeness of claims- versus site-based follow-up with clinical event committe ...
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Journal ArticleCirc Heart Fail · December 2019
BACKGROUND: To describe characteristics and outcomes in women and men with heart failure with preserved ejection fraction. METHODS: Baseline characteristics (including biomarkers and quality of life) and outcomes (primary outcome: composite of first heart ...
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Journal ArticleN Engl J Med · November 14, 2019
BACKGROUND: Optical sensors on wearable devices can detect irregular pulses. The ability of a smartwatch application (app) to identify atrial fibrillation during typical use is unknown. METHODS: Participants without atrial fibrillation (as reported by the ...
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Journal ArticleAm J Cardiol · November 1, 2019
Whether patients with atrial fibrillation (AF) and thyroid disease are clinically distinct from those with AF and no thyroid disease is unknown. Furthermore, the effectiveness of anticoagulation for prevention of AF-related thromboembolic events in patient ...
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Journal ArticleCirc Heart Fail · November 2019
BACKGROUND: Temporary mechanical circulatory support (MCS) devices provide hemodynamic assistance for shock refractory to pharmacological treatment. Most registries have focused on single devices or specific etiologies of shock, limiting data regarding ove ...
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Journal ArticleJAMA Cardiol · September 1, 2019
IMPORTANCE: Single-center and claims-based studies have described substantial changes in the landscape of care in the cardiac intensive care unit (CICU). Professional societies have recommended research to guide evidence-based CICU redesigns. OBJECTIVE: To ...
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Journal ArticleJ Am Coll Cardiol · August 6, 2019
For secondary prevention of coronary artery disease (CAD), oral antiplatelet therapy is essential. In case of coronary intervention, temporary dual antiplatelet therapy is mandatory as well. Recently, low-dose oral anticoagulation has entered the CAD arena ...
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Journal ArticleJ Am Coll Cardiol · August 6, 2019
BACKGROUND: Although heart failure with preserved ejection fraction (HFpEF) is considered a disease of the elderly, younger patients are not spared from this syndrome. OBJECTIVES: This study therefore investigated the associations among age, clinical chara ...
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Journal ArticleJAMA Cardiol · August 1, 2019
IMPORTANCE: The antithrombotic treatment of patients with atrial fibrillation (AF) and coronary artery disease, in particular with acute coronary syndrome (ACS) and/or percutaneous coronary intervention (PCI), poses a significant treatment dilemma in clini ...
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Journal ArticleEur J Heart Fail · August 2019
AIMS: Insulin causes sodium retention and hypoglycaemia and its use is associated with worse outcomes in heart failure (HF) with reduced ejection fraction. We have investigated whether this is also the case in HF with preserved ejection fraction (HFpEF). M ...
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Journal ArticleJ Am Coll Cardiol · July 9, 2019
Most patients with atrial fibrillation (AF) and risk factors for stroke require oral anticoagulation (OAC) to decrease the risk of stroke or systemic embolism. This is now best achieved with direct oral anticoagulants that decrease the risk of intracranial ...
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Journal ArticleJ Thromb Thrombolysis · July 2019
We explored associations between INR measures and clinical outcomes in patients with AF using warfarin, and whether INR history predicted future INR measurements. We included patients in ARISTOTLE who were randomized to and received warfarin. Among patient ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · July 2019
BACKGROUND: The benefit of β-blocker use beyond 3 years after a myocardial infarction (MI) has not been clearly determined. METHODS AND RESULTS: Using data from the CRUSADE Registry (Can Rapid Risk Stratification of Unstable Angina Patients Suppress Advers ...
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Journal ArticleHastings Cent Rep · July 2019
In 2012, a U.S. Institute of Medicine report called for a different approach to health care: "Left unchanged, health care will continue to underperform; cause unnecessary harm; and strain national, state, and family budgets." The answer, they suggested, wo ...
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Journal ArticleJ Am Coll Cardiol · June 11, 2019
BACKGROUND: The efficacy of ticagrelor in the long-term post-ST-segment elevation myocardial infarction (STEMI) treated with fibrinolytic therapy remains uncertain. OBJECTIVES: The purpose of this study was to evaluate the efficacy of ticagrelor when compa ...
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Journal ArticleClin Trials · June 2019
BACKGROUND: Different approaches to safety event collection influence the determination of liver toxicity within drug development programs. Herein, a description of how fasiglifam-induced liver injury was detected is provided. METHODS: This eight-trial dru ...
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Journal ArticleN Engl J Med · May 16, 2019
BACKGROUND: Cryptogenic strokes constitute 20 to 30% of ischemic strokes, and most cryptogenic strokes are considered to be embolic and of undetermined source. An earlier randomized trial showed that rivaroxaban is no more effective than aspirin in prevent ...
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Journal ArticleCirculation · May 14, 2019
BACKGROUND: Guidelines caution against the use of non-vitamin K antagonist oral anticoagulants in patients with extremely high (>120 kg) or low (≤60 kg) body weight because of a lack of data in these populations. METHODS: In a post hoc analysis of ARISTOTL ...
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Journal ArticleClin Cardiol · May 2019
BACKGROUND: The optimal anticoagulation strategy for patients with atrial fibrillation (AF) and bioprosthetic valve (BPV) replacement or native valve repair remains uncertain. HYPOTHESIS: We evaluated the safety and efficacy of apixaban vs warfarin in pati ...
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Journal ArticleAm Heart J · May 2019
BACKGROUND: Peripheral blood metabolite profiles have yielded mechanistic insights into various cardiovascular disease states. We hypothesized that peripheral blood metabolite profiles would be associated with new onset atrial fibrillation (AF). METHODS AN ...
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Journal ArticleJACC Heart Fail · May 2019
OBJECTIVES: This study examined the relationship between prior pacemaker implantation and clinical outcomes in patients with heart failure with preserved ejection fraction (HFpEF). BACKGROUND: Conventional right ventricular pacing causes electrical and mec ...
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Journal ArticleEur Heart J · April 21, 2019
Despite the demonstrable success of oral anticoagulants in reducing the rate of stroke in patients with atrial fibrillation, they continue to be seriously underutilized. Indications for their use as stated in the guidelines incorporate a number of risk sco ...
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Journal ArticleN Engl J Med · April 18, 2019
BACKGROUND: Appropriate antithrombotic regimens for patients with atrial fibrillation who have an acute coronary syndrome or have undergone percutaneous coronary intervention (PCI) are unclear. METHODS: In an international trial with a two-by-two factorial ...
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Journal ArticleEur J Cardiovasc Nurs · April 2019
BACKGROUND: Atrial fibrillation is associated with stroke, yet approximately 50% of patients are not treated with guideline-directed oral anticoagulants (OACs). AIMS: Given that the etiology of this gap in care is not well understood, we explored decision- ...
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Journal ArticleJ Thromb Thrombolysis · April 2019
Warfarin is dependent on multiple hepatic enzymes for metabolism while apixaban is a substrate for P-glycoprotein (P-gp) transport and hepatic CYP3A4 metabolism. The aim of this analysis was to assess the impact of interacting medication use on the treatme ...
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Journal ArticleJ Am Soc Nephrol · March 2019
BACKGROUND: Out-of-hospital cardiac arrest, the leading cause of death among patients on hemodialysis, occurs frequently within outpatient dialysis centers. Practice guidelines recommend resuscitation training for all dialysis clinic staff and on-site defi ...
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Journal ArticleHeart · February 2019
OBJECTIVES: Compare the effect of apixaban and warfarin on coagulation and primary haemostasis biomarkers in atrial fibrillation (AF). METHODS: The biomarker substudy from the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibri ...
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Journal ArticleClin Trials · February 2019
BACKGROUND: The US Food and Drug Administration's Sentinel Initiative is well positioned to support pragmatic clinical trials. FDA-Catalyst combines direct contact with health plan members and/or providers with data in the Sentinel infrastructure. Here, we ...
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Journal ArticleAm Heart J · February 2019
BACKGROUND: Patients with atrial fibrillation (AF) often have multi-morbidity, defined as ≥3 comorbid conditions. Multi-morbidity is associated with polypharmacy, adverse events, and frailty potentially altering response to anticoagulation. We sought to de ...
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Journal ArticleJ Am Heart Assoc · January 8, 2019
Background We aimed to determine the change in treatment strategies and times to treatment over the first 5Â years of the Mission: Lifeline program. Methods and Results We assessed pre- and in-hospital care and outcomes from 2008 to 2012 for patients with S ...
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Journal ArticleJ Am Coll Cardiol · January 8, 2019
BACKGROUND: Spontaneous coronary artery dissection (SCAD) is an increasingly recognized cause of acute coronary syndromes (ACS) afflicting predominantly younger to middle-aged women. Observational studies have reported a high prevalence of extracoronary va ...
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Journal ArticleAm Heart J · January 2019
BACKGROUND: Smartwatch and fitness band wearable consumer electronics can passively measure pulse rate from the wrist using photoplethysmography (PPG). Identification of pulse irregularity or variability from these data has the potential to identify atrial ...
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Journal ArticleAm Heart J · December 2018
Contemporary utilization patterns for targeted temperature management (TTM) among patients with acute myocardial infarction (MI) and out-of-hospital cardiac arrest (OHCA) have not been well characterized in the United States. In this nationwide evaluation ...
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Journal ArticleJ Am Heart Assoc · November 6, 2018
Background Firefighter first responders dispatched in parallel with emergency medical services ( EMS ) personnel for out-of-hospital cardiac arrests ( OHCA ) can provide early defibrillation to improve survival. We examined whether survival following first ...
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Journal ArticleJAMA Cardiol · November 1, 2018
IMPORTANCE: Loading doses of atorvastatin did not show reduction on clinical outcomes in the overall population of patients with acute coronary syndrome (ACS) enrolled in the Statins Evaluation in Coronary Procedures and Revascularization (SECURE-PCI) tria ...
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Journal ArticleLancet · October 27, 2018
BACKGROUND: Glucagon-like peptide 1 receptor agonists differ in chemical structure, duration of action, and in their effects on clinical outcomes. The cardiovascular effects of once-weekly albiglutide in type 2 diabetes are unknown. We aimed to determine t ...
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Journal ArticleCirculation · October 16, 2018
BACKGROUND: Atrial fibrillation is associated with an increased risk of death. High-sensitivity troponin T, growth differentiation factor-15, NT-proBNP (N-terminal pro-B-type natriuretic peptide), and interleukin-6 levels are predictive of cardiovascular e ...
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Journal ArticleJ Am Heart Assoc · October 16, 2018
Background Postoperative clinical outcomes associated with the preoperative continuation or discontinuation of angiotensin-converting enzyme inhibitors ( ACEIs ) or angiotensin receptor blockers ( ARBs ) before cardiac surgery remain unclear. Methods and R ...
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Journal ArticleCirc Heart Fail · October 2018
BACKGROUND: Stroke prophylaxis in patients with atrial fibrillation (AF) and heart failure (HF) in the era of direct oral anticoagulants is not well characterized. Using data from American Heart Association Get With The Guidelines-AFIB, we sought to evalua ...
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Journal ArticleJACC Cardiovasc Interv · September 24, 2018
OBJECTIVES: This study sought to examine whether quality improvement initiatives across multiple ST-segment elevation myocardial infarction (STEMI) systems translated to faster first medical contact (FMC)-to-device times for patients presenting with cardio ...
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Journal ArticleJACC Cardiovasc Interv · September 24, 2018
OBJECTIVES: The aim of this study was to describe the prevalence of pre-hospital cardiac catheterization laboratory activation and its association with reperfusion timeliness and in-hospital mortality. BACKGROUND: For patients with ST-segment elevation myo ...
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Journal ArticleJ Am Heart Assoc · September 18, 2018
Background The Institute of Medicine has called for actions to understand and target sex-related differences in care and outcomes for out-of-hospital cardiac arrest patients. We assessed changes in bystander and first-responder interventions and outcomes f ...
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Journal ArticleAm Heart J · September 2018
BACKGROUND: Albiglutide is a long-acting glucagon-like peptide-1 receptor agonist that improves glycemic control in patients with type 2 diabetes mellitus (T2DM). Harmony Outcomes is a randomized, double-blind, placebo-controlled trial of the effect of alb ...
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Journal ArticleJ Am Coll Cardiol · August 14, 2018
BACKGROUND: There is little mechanistic information on factors predisposing atrial fibrillation (AF) patients to thromboembolism or bleeding, but generation of nitric oxide (NO) might theoretically contribute to both. OBJECTIVES: The authors tested the hyp ...
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Journal ArticleHeart · August 2018
OBJECTIVE: To assess stroke/systemic embolism, major bleeding and other outcomes, and treatment effect of apixaban versus warfarin, in patients with atrial fibrillation (AF) and different types of valvular heart disease (VHD), using data from the Apixaban ...
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Journal ArticleEur J Heart Fail · August 2018
AIMS: We tested the hypothesis that candesartan improves outcomes in heart failure (HF) with mid-range ejection fraction [HFmrEF; ejection fraction (EF) 40-49%]. METHODS AND RESULTS: In 7598 patients enrolled in the CHARM Programme (HF across the spectrum ...
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Journal ArticleAm Heart J · August 2018
BACKGROUND: The safety and efficacy of ticagrelor in patients with ST-elevation myocardial infarction (STEMI) treated with fibrinolytic therapy remain uncertain. OBJECTIVES: The primary objective of the TicagRElor in pAtients with ST elevation myocardial i ...
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Journal ArticleCirculation · July 31, 2018
The optimal antithrombotic treatment regimen for patients with atrial fibrillation undergoing percutaneous coronary intervention with stent implantation represents a challenge in clinical practice. In 2016, an updated opinion of selected experts from the U ...
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Journal ArticleJ Am Heart Assoc · July 6, 2018
BACKGROUND: Few data exist on regional systems of care for the treatment of ST-segment-elevation myocardial infarction (STEMI) in developing countries. Our objective was to describe temporal trends in 30-day mortality and identify predictors of mortality a ...
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Journal ArticleAm Heart J · July 2018
BACKGROUND: Length of stay after non-ST-segment elevation myocardial infarction (NSTEMI) continues to decrease, but information to guide duration of hospitalization is limited. METHODS: We used landmark analyses, in which the landmark defined potential day ...
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Journal ArticleAm Heart J · June 2018
BACKGROUND: The optimal antithrombotic strategy for patients with atrial fibrillation (AF) who develop acute coronary syndrome (ACS) and/or the need for percutaneous coronary intervention (PCI) is uncertain. The risk of bleeding is a major concern when ora ...
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Journal ArticleCirculation · May 22, 2018
The American Heart Association previously recommended implementation of cardiac resuscitation systems of care that consist of interconnected community, emergency medical services, and hospital efforts to measure and improve the process of care and outcome ...
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Journal ArticleJ Am Coll Cardiol · May 8, 2018
Coronary artery disease (CAD) is a major cause of morbidity and mortality in patients ≥80 years of age. Nonetheless, older patients have typically been under-represented in cardiovascular clinical trials. Understanding the pathophysiology, epidemiology, an ...
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Journal ArticleJAMA Cardiol · May 1, 2018
IMPORTANCE: The bleeding safety of ticagrelor in patients with ST-elevation myocardial infarction treated with fibrinolytic therapy remains uncertain. OBJECTIVE: To evaluate the short-term safety of ticagrelor when compared with clopidogrel in patients wit ...
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Journal ArticleJAMA · April 3, 2018
IMPORTANCE: The effects of loading doses of statins on clinical outcomes in patients with acute coronary syndrome (ACS) and planned invasive management remain uncertain. OBJECTIVE: To determine if periprocedural loading doses of atorvastatin decrease 30-da ...
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Journal ArticleEur Heart J Cardiovasc Pharmacother · April 1, 2018
AIMS: We investigated baseline characteristics, antithrombotic use, and clinical outcomes of patients with atrial fibrillation (AF) and a thrombo-embolic event in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation ( ...
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Journal ArticleAm Heart J · April 2018
BACKGROUND: Previous evidence suggests that acute treatment with statins reduce atherosclerotic complications, including periprocedural myocardial infarction, but currently, there are no large, adequately powered studies to define the effects of early, hig ...
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Journal ArticleJ Am Coll Cardiol · March 13, 2018
BACKGROUND: Digoxin is widely used in patients with atrial fibrillation (AF). OBJECTIVES: The goal of this paper was to explore whether digoxin use was independently associated with increased mortality in patients with AF and if the association was modifie ...
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Journal ArticleAm J Med · March 2018
PURPOSE: We assessed outcomes among anticoagulated patients with atrial fibrillation and a history of falling, and whether the benefits of apixaban vs warfarin are consistent in this population. METHODS: Of the 18,201 patients in the Apixaban for Reduction ...
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Journal ArticleEur J Heart Fail · March 2018
AIMS: Patients with heart failure (HF) often have multiple co-morbidities that contribute to the risk of adverse cardiovascular (CV) and non-CV outcomes. We assessed the relative contribution of cardiac and extra-cardiac disease burden and demographic fact ...
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Journal ArticleAm Heart J · March 2018
BACKGROUND: We assessed antiplatelet therapy use and outcomes in patients undergoing percutaneous coronary intervention (PCI) during the ARISTOTLE trial. METHODS: Patients were categorized based on the occurrence of PCI during follow-up (median 1.8 years); ...
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Journal ArticleJACC Heart Fail · March 2018
Heart failure (HF) complicating myocardial infarction (MI) is common and may be present at admission or develop during the hospitalization. Among patients with MI, there is a strong relationship between degree of HF and mortality. The optimal management of ...
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Journal ArticleEur Heart J · February 7, 2018
AIMS: In atrial fibrillation (AF), mortality remains high despite effective anticoagulation. A model predicting the risk of death in these patients is currently not available. We developed and validated a risk score for death in anticoagulated patients wit ...
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Journal ArticleEur J Heart Fail · February 2018
AIMS: Hospitalizations for heart failure (HF) are common and are associated with significant morbidity, mortality and cost. However, precipitating factors leading to HF hospitalization and their importance with respect to subsequent outcomes are not well u ...
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Journal ArticleJ Am Heart Assoc · February 1, 2018
BACKGROUND: Dyslipidemia is a major risk factor for cardiovascular events. The prognostic importance of lipoproteins in patients with atrial fibrillation is not well understood. We aimed to explore the association between apolipoprotein A1 (ApoA1) and B (A ...
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Journal ArticleCirculation · January 23, 2018
BACKGROUND: Regional variations in reperfusion times and mortality in patients with ST-segment-elevation myocardial infarction are influenced by differences in coordinating care between emergency medical services (EMS) and hospitals. Building on the Accele ...
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Journal ArticleIndian Heart J · 2018
Our previous research found seven specific factors that cause system delays in ST-elevation Myocardial infarction management in developing countries. These delays, in conjunction with a lack of organized STEMI systems of care, result in inefficient process ...
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Journal ArticleJ Intern Med · January 2018
OBJECTIVES: Assess the risk of ischaemic events associated with psychosocial stress in patients with stable coronary heart disease (CHD). METHODS: Psychosocial stress was assessed by a questionnaire in 14Â 577 patients (median age 65.0, IQR 59, 71; 81.6% ma ...
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Journal ArticleOpen Heart · 2018
OBJECTIVE: We investigated the association between obesity and biomarkers indicating cardiac or renal dysfunction or inflammation and their interaction with obesity and outcomes. METHODS: A total of 14 753 patients in the Apixaban for Reduction In STroke a ...
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Chapter · January 1, 2018
Trials in the 1980s and 1990s showed that warfarin reduces stroke in patients with atrial fibrillation by approximately two-thirds, and that aspirin has either much less of an effect or no effect at all. The combination of aspirin and clopidogrel, compared ...
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Journal ArticleEur Heart J · December 14, 2017
AIMS: Microvascular obstruction (MVO) is the underlying cause for the no-reflow phenomenon in ST-segment elevation myocardial infarction (STEMI). The association between MVO assessed by cardiac magnetic resonance imaging (CMR) and prognosis has not been co ...
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ConferenceAm J Med · December 2017
BACKGROUND: Cancer is associated with a prothrombotic state and increases the risk of thrombotic events in patients with atrial fibrillation. We described the clinical characteristics and outcomes and assessed the safety and efficacy of apixaban versus war ...
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Journal ArticleCardiovasc Drugs Ther · December 2017
PURPOSE: The prevalence and consequences of prediabetic dysglycemia and undiagnosed diabetes is unknown in patients with heart failure (HF) and preserved ejection fraction (HFpEF) and has not been compared to heart failure and reduced ejection fraction (HF ...
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Journal ArticleAm Heart J · December 2017
BACKGROUND: Recent randomized evidence has demonstrated benefit with complete revascularization during the index hospitalization for multivessel coronary artery disease ST-segment elevation myocardial infarction (STEMI) patients; however, this benefit like ...
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Journal ArticleStroke · December 2017
BACKGROUND AND PURPOSE: Few data exist on the long-term outcomes of patients with spontaneous echo contrast (SEC), left atrial/left atrial appendage (LA/LAA) thrombus, and complex aortic plaque (CAP), in patients with atrial fibrillation receiving oral ant ...
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Journal ArticleClin Cardiol · December 2017
The long-term progression of coronary artery disease as defined by the natural disease course years after a myocardial infarction (MI) is an important but poorly studied area of clinical research. The long-Term rIsk, clinical manaGement, and healthcare Res ...
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Journal ArticleJ Am Heart Assoc · November 3, 2017
BACKGROUND: Prior Studies have suggested better outcomes in smokers compared with nonsmokers receiving clopidogrel ("smoker's paradox"). The impact of a more intensive clopidogrel regimen on ischemic and bleeding risks in smokers with acute coronary syndro ...
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Journal ArticleJAMA Cardiol · November 1, 2017
IMPORTANCE: Little is known about the influence of comprehensive public health initiatives according to out-of-hospital cardiac arrest (OHCA) location, particularly at home, where resuscitation efforts and outcomes have historically been poor. OBJECTIVE: T ...
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Journal ArticleJ Am Heart Assoc · October 24, 2017
BACKGROUND: The American Heart Association Mission: Lifeline STEMI (ST-segment-elevation myocardial infarction) Systems Accelerator program, conducted in 16 regions across the United States to improve key care processes, resulted in more patients being tre ...
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Journal ArticleLancet · October 14, 2017
BACKGROUND: Oral anticoagulation is underused in patients with atrial fibrillation. We assessed the impact of a multifaceted educational intervention, versus usual care, on oral anticoagulant use in patients with atrial fibrillation. METHODS: This study wa ...
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Journal ArticleJ Am Heart Assoc · October 11, 2017
BACKGROUND: Patients with ST-elevation myocardial infarction (STEMI) with out-of-hospital cardiac arrest (OHCA) may benefit from direct transport to a percutaneous cardiac intervention (PCI) hospital but have previously been less likely to bypass local non ...
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Journal ArticleJ Am Coll Cardiol · October 3, 2017
BACKGROUND: Recommendations for physical activity in patients with stable coronary heart disease (CHD) are based on modest evidence. OBJECTIVES: The authors analyzed the association between self-reported exercise and mortality in patients with stable CHD. ...
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Journal ArticleAm Heart J · October 2017
UNLABELLED: Atrial fibrillation (AF) is the most common sustained arrhythmia worldwide. However, there are few contemporary comparative data on AF from middle-income countries. METHODS: Baseline characteristics of the IMPACT-AF trial were analyzed to asses ...
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Journal ArticleN Engl J Med · September 28, 2017
BACKGROUND: Patients with atherosclerotic vascular disease remain at high risk for cardiovascular events despite effective statin-based treatment of low-density lipoprotein (LDL) cholesterol levels. The inhibition of cholesteryl ester transfer protein (CET ...
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Journal ArticleJ Am Heart Assoc · September 22, 2017
BACKGROUND: The HeartRescue Project is a multistate public health initiative focused on establishing statewide out-of-hospital cardiac arrest (OHCA) systems of care to improve case capture and OHCA care in the community, by emergency medical services (EMS) ...
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Journal ArticleJ Am Heart Assoc · September 14, 2017
BACKGROUND: Greater understanding of differences between men and women with coronary heart disease is needed. METHODS AND RESULTS: In this post hoc analysis of the STABILITY (Stabilization of Atherosclerotic Plaque by Initiation of Darapladib Therapy) tria ...
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Journal ArticleJ Am Coll Cardiol · August 15, 2017
BACKGROUND: Currently, there is no generally accepted model to predict outcomes in stable coronary heart disease (CHD). OBJECTIVES: This study evaluated and compared the prognostic value of biomarkers and clinical variables to develop a biomarker-based pre ...
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Journal ArticleAm Heart J · August 2017
BACKGROUND: Approximately 20% of ischemic strokes are associated with clinically apparent atrial fibrillation (AF). Regardless of stroke etiology, detection of AF in patients with ischemic strokes often changes antithrombotic treatment from anti-platelet t ...
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Journal ArticleN Engl J Med · July 6, 2017
BACKGROUND: The risk of sudden death has changed over time among patients with symptomatic heart failure and reduced ejection fraction with the sequential introduction of medications including angiotensin-converting-enzyme inhibitors, angiotensin-receptor ...
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Journal ArticleAm Heart J · July 2017
BACKGROUND: Device-detected subclinical atrial fibrillation (AF) refers to infrequent, short-lasting, asymptomatic AF that is detected only with long-term continuous monitoring. Subclinical AF is common and associated with an increased risk of stroke; howe ...
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Journal ArticleJ Am Heart Assoc · June 23, 2017
BACKGROUND: Cardiac biomarkers are independent risk markers in atrial fibrillation, and the novel biomarker-based ABC stroke score (age, biomarkers, and clinical history of prior stroke) was recently shown to improve the prediction of stroke risk in patien ...
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Journal ArticleInt J Cardiol · June 1, 2017
OBJECTIVE: To describe contemporary patient characteristics and treatment patterns, including antithrombotic management, of post-myocardial infarction (MI) stable coronary artery disease (CAD) patients at high atherothrombotic risk from different geographi ...
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Journal ArticleBlood · June 1, 2017
We investigated the frequency and characteristics of intracranial hemorrhage (ICH), the factors associated with the risk of ICH, and outcomes post-ICH overall and by randomized treatment. We identified patients with ICH from the overall trial population en ...
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Journal ArticleAm Heart J · June 2017
BACKGROUND: While infarct size in patients with ST-segment elevation myocardial infarction (STEMI) has been generally associated with long-term prognosis, whether a therapeutic effect on infarct size has a corresponding therapeutic effect on long-term outc ...
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Journal ArticleEur Heart J · June 1, 2017
AIM: Studies have reported less favourable outcomes in women compared with men after primary percutaneous coronary intervention (PCI) in ST-segment elevation myocardial infarction (STEMI). Whether sex-specific differences in the magnitude or prognostic imp ...
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Journal ArticleCardiovasc Drugs Ther · June 2017
PURPOSE: Vitamin K antagonists (VKAs) are the standard of care for stroke prevention in patients with atrial fibrillation (AF); therefore, there is not equipoise when comparing newer oral anticoagulants with placebo in this setting. METHODS: To explore the ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · June 2017
BACKGROUND: Practice guidelines recommend regional systems of care for out-of-hospital cardiac arrest. However, whether emergency medical services should bypass nonpercutaneous cardiac intervention (non-PCI) facilities and transport out-of-hospital cardiac ...
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Journal ArticleN Engl J Med · May 18, 2017
BACKGROUND: The cholesteryl ester transfer protein inhibitor evacetrapib substantially raises the high-density lipoprotein (HDL) cholesterol level, reduces the low-density lipoprotein (LDL) cholesterol level, and enhances cellular cholesterol efflux capaci ...
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Journal ArticleJAMA Cardiol · May 1, 2017
IMPORTANCE: The Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial reported that apixaban therapy was superior to warfarin therapy in preventing stroke and all-cause death while causing significantly f ...
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Journal ArticleAm Heart J · May 2017
UNLABELLED: Patients with prior vascular disease remain at high risk for cardiovascular events despite intensive statin-based treatment. Inhibition of cholesteryl ester transfer protein by anacetrapib reduces low-density lipoprotein (LDL) cholesterol by ar ...
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Journal ArticleHeart · April 2017
OBJECTIVE: We describe the incidence, location and management of non-major bleeding, and assess the association between non-major bleeding and clinical outcomes in patients with atrial fibrillation (AF) receiving anticoagulation therapy enrolled in Apixaba ...
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Journal ArticleJAMA Cardiol · April 1, 2017
IMPORTANCE: Guidelines recommend noninvasive testing for patients with stable chest pain, although many subsequently have normal test results and no adverse clinical events. OBJECTIVE: To describe a risk tool developed to use only pretest clinical data to ...
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Journal ArticleTher Adv Cardiovasc Dis · March 2017
Atrial fibrillation is a common, costly and morbid cardiovascular arrhythmia. Stroke prevention remains the mainstay of treatment for atrial fibrillation, and the recent advent of novel oral anticoagulants with direct factor IIa or factor Xa inhibition has ...
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Journal ArticleJAMA Cardiol · March 1, 2017
IMPORTANCE: Subclinical atrial fibrillation (AF) is associated with an increased risk for stroke. OBSERVATIONS: Subclinical AF is asymptomatic, short in duration, and usually detected with long-term, continuous monitoring. Most prior studies have explored ...
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Journal ArticleAm Heart J · March 2017
BACKGROUND: Patients with atrial fibrillation (AF) are prone to cardiovascular events and anticoagulation-related bleeding complications. We hypothesized that patients with anemia are at increased risk for these outcomes. METHODS: We performed a post hoc a ...
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Journal ArticleJ Am Heart Assoc · January 17, 2017
BACKGROUND: We studied (1) the rates of stroke or systemic embolism and bleeding in patients with atrial fibrillation and peripheral artery disease (PAD) and (2) the efficacy and safety of apixaban versus warfarin in patients with atrial fibrillation with ...
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Journal ArticleInt J Cardiol · January 15, 2017
BACKGROUND: Evidence supporting use of antithrombotic therapy in atrial fibrillation (AF) is based mainly on data from patients with permanent, persistent, or paroxysmal AF. Less is known about the risk following a new diagnosis of AF and the efficacy and ...
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Journal ArticleCirc Cardiovasc Interv · January 2017
BACKGROUND: The Mission: Lifeline STEMI Systems Accelerator program, implemented in 16 US metropolitan regions, resulted in more patients receiving timely reperfusion. We assessed whether implementing key care processes was associated with system performan ...
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Journal ArticleEur J Heart Fail · December 2016
AIMS: We investigated the association between worsening renal function (WRF) that occurs during renin-angiotensin-aldosterone system inhibition initation and outcome in heart failure (HF) patients with preserved ejection fraction (HFPEF) and compared this ...
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Journal ArticleCirculation · November 29, 2016
BACKGROUND: Atrial fibrillation is associated with increased but variable risk of stroke. Our aim was to validate the recently developed biomarker-based ABC (age, biomarkers [high-sensitivity troponin and N-terminal fragment B-type natriuretic peptide], an ...
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Journal ArticleCirc Cardiovasc Interv · November 2016
The optimal antithrombotic treatment regimen for patients with atrial fibrillation undergoing percutaneous coronary intervention with stent implantation is an emerging clinical problem. Currently, there is limited evidenced-based data on the optimal antith ...
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Journal ArticleED Manag · November 2016
New findings from the Mission: Lifeline STEMI Systems Accelerator program suggest that a regionalized approach to ST-segment elevation myocardial infarctions (STEMI) can cut time-to-treatment for patients modestly, thereby improving the prospects for bette ...
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Journal ArticleSci Rep · October 12, 2016
In recent years, genome-wide association studies have identified 58 independent risk loci for coronary artery disease (CAD) on the autosome. However, due to the sex-specific data structure of the X chromosome, it has been excluded from most of these analys ...
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Journal ArticleEur Heart J · October 7, 2016
AIMS: The prognostic implication of adiposity on clinical outcomes in atrial fibrillation (AF) patients treated with oral anticoagulation is unclear. METHODS AND RESULTS: A total of 17 913 patients in the Apixaban for Reduction in Stroke and Other Thromboe ...
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Journal ArticleCan J Cardiol · October 2016
Medical care in Canadian cardiac units has changed considerably over the past 3 decades in response to an increasingly complex and diverse patient population admitted with acute cardiac pathology. To maintain the highest level of care for these patients, t ...
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Journal ArticleJ Thromb Thrombolysis · October 2016
Coronary plaque rupture mediating acute ST segment elevation myocardial infarction (STEMI) is associated with a systemic inflammatory response. Whether early temporal changes in inflammatory biomarkers are associated with angiographic and electrocardiograp ...
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Journal ArticleInterv Cardiol Clin · October 2016
Current guidelines recommend that communities create and maintain a regional system of ST-segment elevation myocardial infarction (STEMI) care that includes assessment and continuous quality improvement of emergency medical services and hospital-based acti ...
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Journal ArticleNat Rev Cardiol · September 2016
Atrial fibrillation (AF) is a complex phenomenon associated with electrical, mechanical, and structural abnormalities of the atria. Ischaemic stroke in AF is only partially understood, but the mechanisms are known to be related to the atrial substrate as w ...
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Journal ArticleJAMA Cardiol · September 1, 2016
IMPORTANCE: In the Apixaban for Reduction of Stroke and Other Thromboembolic Complications in Atrial Fibrillation (ARISTOTLE) trial, the standard dose of apixaban was 5 mg twice daily; patients with at least 2 dose-reduction criteria-80 years or older, wei ...
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Journal ArticleEur J Heart Fail · September 2016
AIMS: The non-vitamin K antagonist oral anticoagulants (NOACs) have varying degrees of renal elimination which may be challenging in patients with heart failure (HF) and atrial fibrillation (AF). We examined the severity and variation in renal impairment, ...
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Journal ArticleCirculation · August 2, 2016
BACKGROUND: Up to 50% of patients fail to meet ST-segment-elevation myocardial infarction (STEMI) guideline goals recommending a first medical contact-to-device time of <90 minutes for patients directly presenting to percutaneous coronary intervention-capa ...
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Journal ArticleResuscitation · August 2016
BACKGROUND: Team-focused CPR (TFCPR) is a choreographed approach to cardiopulmonary resuscitation (CPR) with emphasis on minimally interrupted high-quality chest compressions, early defibrillation, discourages endotracheal intubation and encourages use of ...
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Journal ArticleResuscitation · August 2016
AIM: It is unclear whether prolonged resuscitation can result in successful outcome following out-of-hospital cardiac arrests (OHCA). We assessed associations between duration of pre-hospital resuscitation on survival and functional outcome following OHCA ...
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Journal ArticleJAMA Cardiol · July 1, 2016
IMPORTANCE: Renal impairment confers an increased risk of stroke, bleeding, and death in patients with atrial fibrillation. Little is known about the efficacy and safety of apixaban in relation to renal function changes over time. OBJECTIVES: To evaluate c ...
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Journal ArticleJ Am Heart Assoc · June 21, 2016
BACKGROUND: We evaluated lipoprotein-associated phospholipase A2 (Lp-PLA2) activity in patients with stable coronary heart disease before and during treatment with darapladib, a selective Lp-PLA2 inhibitor, in relation to outcomes and the effects of darapl ...
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Journal ArticleBMJ · June 15, 2016
OBJECTIVE: Â To determine whether the treatment effect of apixaban versus warfarin differs with increasing numbers of concomitant drugs used by patients with atrial fibrillation. DESIGN: Â Post hoc analysis performed in 2015 of results from ARISTOTLE (apixab ...
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Journal ArticleLancet · June 4, 2016
BACKGROUND: The benefit of oral anticoagulation in atrial fibrillation is based on a balance between reduction in ischaemic stroke and increase in major bleeding. We aimed to develop and validate a new biomarker-based risk score to improve the prognosticat ...
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Journal ArticleAm Heart J · June 2016
Atrial fibrillation (AF) is common, increasing as the population ages, and a major cause of embolic stroke. While oral anticoagulation (OAC) is highly effective at preventing stroke in patients with AF, it continues to be underused in eligible patients wor ...
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Journal ArticleQJM · June 2016
BACKGROUND: Anaemia is common among patients with heart failure (HF) and is an important prognostic marker. AIM: We sought to determine the prognostic importance of anaemia in a large multinational pooled dataset of prospectively enrolled HF patients, with ...
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Journal ArticleEur Heart J · May 21, 2016
AIMS: Atrial fibrillation (AF) is associated with an increased risk of stroke, which is currently estimated by clinical characteristics. The cardiac biomarkers N-terminal fragment B-type natriuretic peptide (NT-proBNP) and cardiac troponin high-sensitivity ...
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Journal ArticleJ Am Coll Cardiol · May 3, 2016
BACKGROUND: Out-of-hospital cardiac arrest (OHCA) associated with acute myocardial infarction (MI) confers high in-hospital mortality; however, among those patients who survive, little is known regarding their post-discharge mortality and health care use r ...
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Journal ArticleAm Heart J · May 2016
BACKGROUND: Clinical practice guidelines recommend admitting patients with stable non-ST-segment elevation acute coronary syndrome (NSTE ACS) to telemetry units, yet up to two-thirds of patients are admitted to higher-acuity critical care units (CCUs). The ...
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Journal ArticleAm Heart J · May 2016
AIMS: History of bleeding strongly influences decisions for anticoagulation in atrial fibrillation (AF). We analyzed outcomes in relation to history of bleeding and randomization in ARISTOTLE trial patients. METHODS AND RESULTS: The on-treatment safety pop ...
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Journal ArticleAm J Med · May 2016
The North American Thrombosis Forum Atrial Fibrillation Action Initiative consensus document is a comprehensive yet practical briefing document focusing on stroke and bleeding risk assessment in patients with atrial fibrillation, as well as recommendations ...
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Journal ArticleJ Am Coll Cardiol · April 12, 2016
BACKGROUND: Prompt reperfusion in patients with ST-segment elevation myocardial infarction (STEMI) reduces infarct size and improves survival. However, the intuitive link between infarct size and prognosis has not been convincingly demonstrated in the cont ...
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Journal ArticleHeart · April 2016
OBJECTIVE: Atrial fibrillation (AF) is a risk factor for stroke and mortality and the prothrombotic state has been linked to inflammation. In this study we evaluated the relationship between inflammatory biomarkers at baseline and future risk of cardiovasc ...
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Journal ArticleAm Heart J · April 2016
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BACKGROUND: Red blood cell distribution width (RDW) strongly predicts clinical outcomes among patients with coronary disease and heart failure. The factors underpinning this association are unknown. METHODS: In 6,447 individuals enrolled in the Measurement ...
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Journal ArticleJMIR Med Inform · March 15, 2016
BACKGROUND: The use of health information technology (HIT) may improve medication adherence, but challenges for implementation remain. OBJECTIVE: The aim of this paper is to review the current state of HIT as it relates to medication adherence programs, ac ...
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Journal ArticleAm Heart J · March 2016
BACKGROUND: Among patients presenting with ST-segment elevation myocardial infarction (STEMI) for primary percutaneous coronary intervention (PCI), the associations between clinical outcomes and both baseline renal function and the development of acute kid ...
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Journal ArticleJ Am Coll Cardiol · February 23, 2016
BACKGROUND: Many patients with acute myocardial infarction (AMI) and cardiogenic shock survive hospitalization; little is known about their subsequent prognosis. OBJECTIVES: This study sought to evaluate the associations between cardiogenic shock and post- ...
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Journal ArticleInt J Cardiol · January 1, 2016
BACKGROUND: Comorbid chronic obstructive pulmonary disease (COPD) is associated with poor outcomes among patients with cardiovascular disease. The risks of stroke and mortality associated with COPD among patients with atrial fibrillation are not well under ...
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Journal ArticlePrehosp Emerg Care · 2016
INTRODUCTION: While therapeutic hypothermia has been the standard of care for patients who suffer out-of-hospital cardiac arrest (OHCA), recent trials have led to an advisory statement recommending a focus on targeted in-hospital temperature management and ...
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Journal ArticleEur Heart J · December 7, 2015
AIM: To assess clinical outcomes, efficacy, and safety according to sex during anticoagulation with apixaban compared with warfarin in patients with atrial fibrillation. METHODS AND RESULTS: Apixaban for Reduction in Stroke and Other Thromboembolic Events ...
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Journal ArticleInt J Stroke · December 2015
RATIONALE: Cryptogenic ischemic strokes constitute 20-30% of ischemic strokes, the majority of which are embolic strokes of undetermined source. The standard preventive treatment in these patients is usually acetylsalicylic acid. AIM: The Randomized, doubl ...
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Journal ArticleJ Am Heart Assoc · December 1, 2015
BACKGROUND: Patients with atrial fibrillation (AF) and hypertension are at high risk for stroke. Previous studies have shown elevated risk of stroke in patients with AF who have a history of hypertension (regardless of blood pressure [BP] control) and in p ...
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Journal ArticleJ Cardiovasc Transl Res · November 2015
The CATHeterization GENetics (CATHGEN) biorepository was assembled in four phases. First, project start-up began in 2000. Second, between 2001 and 2010, we collected clinical data and biological samples from 9334 individuals undergoing cardiac catheterizat ...
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Journal ArticleResuscitation · November 2015
AIM: Defibrillation by bystanders and first responders has been associated with increased survival, but limited data are available from non-metropolitan areas. We examined time from 911-call to defibrillation (according to who defibrillated patients) and s ...
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Journal ArticleNat Genet · October 2015
Existing knowledge of genetic variants affecting risk of coronary artery disease (CAD) is largely based on genome-wide association study (GWAS) analysis of common SNPs. Leveraging phased haplotypes from the 1000 Genomes Project, we report a GWAS meta-analy ...
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Journal ArticleTrends Pharmacol Sci · September 2015
Despite the large number of novel therapies under basic scientific investigation, the translation of cardioprotective strategies targeting reperfusion injury to improve patient outcomes following percutaneous coronary intervention (PCI) for myocardial infa ...
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Journal ArticleCirc Cardiovasc Interv · September 2015
BACKGROUND: For patients with ST-segment-elevation myocardial infarction (STEMI) requiring interhospital transfer for primary percutaneous coronary intervention, direct transfer from the STEMI referral hospital to the catheterization laboratory (cath lab) ...
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Book · August 27, 2015
This is the fifth edition of a very successful textbook on clinical trials methodology, written by recognized leaders who have long and extensive experience in all areas of clinical trials. The three authors of the first four editions have been joined by t ...
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ConferenceCirculation · August 25, 2015
BACKGROUND: Apixaban is approved for the prevention of stroke and systemic embolism in patients with nonvalvular atrial fibrillation. However, the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial inc ...
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Journal ArticleJAMA · July 21, 2015
IMPORTANCE: Out-of-hospital cardiac arrest is associated with low survival, but early cardiopulmonary resuscitation (CPR) and defibrillation can improve outcomes if more widely adopted. OBJECTIVE: To examine temporal changes in bystander and first-responde ...
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Journal ArticleLancet · July 18, 2015
In patients with non-valvular atrial fibrillation, oral anticoagulation with vitamin K antagonists reduces the risk of stroke by more than 60%. But vitamin K antagonists have limitations, including causing serious bleeding such as intracranial haemorrhage ...
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Journal ArticleAm J Med · July 2015
PURPOSE: Short-term outcomes have been well characterized in acute coronary syndromes; however, longer-term follow-up for the entire spectrum of these patients, including ST-segment-elevation myocardial infarction, non-ST-segment-elevation myocardial infar ...
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Journal ArticleArterioscler Thromb Vasc Biol · July 2015
OBJECTIVE: Genome-wide association studies have identified multiple genetic variants affecting the risk of coronary artery disease (CAD). However, individually these explain only a small fraction of the heritability of CAD and for most, the causal biologic ...
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Journal ArticleEur Heart J · May 21, 2015
AIM: In the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial, apixaban compared with warfarin reduced the risk of stroke, major bleed, and death in patients with atrial fibrillation. In this ancillar ...
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Journal ArticleAm J Cardiol · May 15, 2015
Electrical cardioversion (ECV) is recommended for rhythm control in patients with atrial arrhythmia; yet, ECV use and outcomes in contemporary practice are unknown. We reviewed all nonemergent ECVs for atrial arrhythmias at a tertiary care center (2010 to ...
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Journal ArticleCrit Care Med · May 2015
OBJECTIVES: Remotely monitored patients may be at risk for a delayed response to critical arrhythmias if the telemetry watchers who monitor them are subject to an excessive patient load. There are no guidelines or studies regarding the appropriate number o ...
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Journal ArticleNat Rev Cardiol · May 2015
Randomized clinical trials provide the foundation of clinical evidence to guide physicians in their selection of treatment options. Importantly, randomization is the only reliable method to control for confounding factors when comparing treatment groups. H ...
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Journal ArticleAm Heart J · May 2015
BACKGROUND: Cardiovascular (CV) disease is the leading cause of morbidity and mortality in patients with type 2 diabetes mellitus (T2DM). Furthermore, patients with T2DM and acute coronary syndrome (ACS) have a particularly high risk of CV events. The gluc ...
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Journal ArticleJ Am Coll Cardiol · April 7, 2015
Anticoagulation for atrial fibrillation has become more complex due to the introduction of new anticoagulant agents, the number and kinds of patients requiring therapy, and the interactions of those patients in the matrix of care. The management of anticoa ...
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Journal ArticleInt J Cardiol · April 1, 2015
BACKGROUND: Patients with atrial fibrillation (AF) are of increased risk for ischemic and bleeding complications, particularly when requiring aggressive antithrombotic therapy after coronary stenting. However, data from unselected patients on long-term mor ...
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Journal ArticleEur Heart J Cardiovasc Pharmacother · April 2015
AIMS: We compared clinical outcomes in patients with AF with and without diabetes in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation trial. METHODS AND RESULTS: The main efficacy endpoints were SSE and mortality; ...
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Journal ArticleAm J Epidemiol · March 15, 2015
In 2013, the National Heart, Lung, and Blood Institute assembled a working group on epidemiology and population sciences from its Advisory Council and Board of External Experts. The working group was charged with making recommendations to the National Hear ...
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Journal ArticleEur Heart J · March 14, 2015
BACKGROUND: Resting heart rate (HR) is a predictor of adverse outcome in patients with heart failure (HF). Whether changes in HR over time in patients with chronic HF are also associated with adverse outcome is unknown. We explored the relationship between ...
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Journal ArticleJ Cardiovasc Electrophysiol · February 2015
INTRODUCTION: We conducted this pilot randomized clinical trial to determine the feasibility of a large clinical trial aimed at testing whether early use of catheter ablation of ventricular tachycardia (VT) is superior to antiarrhythmic medications at redu ...
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Journal ArticleCirc Cardiovasc Genet · February 2015
BACKGROUND: Although individual protein biomarkers are associated with cardiovascular risk, rarely have multiple proteins been considered simultaneously to identify which set of proteins best predicts risk. METHODS AND RESULTS: In a nested case-control stu ...
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Journal ArticleJAMA Intern Med · February 2015
IMPORTANCE: Guidelines for patients with ST-segment elevation myocardial infarction (STEMI) recommend timely reperfusion with primary percutaneous coronary intervention (pPCI) or fibrinolysis. Among patients with STEMI who require interhospital transfer, i ...
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Journal ArticleClin Chem · February 2015
BACKGROUND: Although cardiac troponin is associated with outcomes in atrial fibrillation (AF), the complementary prognostic information provided by cardiac troponin I (cTnI) and cTnT is unknown. This study investigated the distribution, determinants, and p ...
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Journal ArticleEur J Heart Fail · February 2015
AIMS: To investigate the relationship between angina pectoris and fatal and non-fatal clinical outcomes in heart failure with reduced and preserved ejection fraction (HF-REF and HF-PEF, respectively). METHODS AND RESULTS: Of 7599 patients in the CHARM prog ...
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Journal ArticleCirculation · January 6, 2015
BACKGROUND: International geographic differences in outcomes may exist for clinical trials of heart failure and reduced ejection fraction (HF-REF), but there are few data for those with preserved ejection fraction (HF-PEF). METHODS AND RESULTS: We analyzed ...
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Journal ArticleCrit Care Med · January 2015
OBJECTIVE: Patients with primary cardiovascular disorders and comorbidities are commonly admitted to ICUs; however, little is known about the current state of cardiac research being conducted in these adult ICU patients. DESIGN: Retrospective analysis. PAT ...
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Journal ArticleAm Heart J · January 2015
BACKGROUND: We sought to assess the occurrence of events after blinded study drug discontinuation and transition to open-label vitamin K antagonist (VKA) in ARISTOTLE. METHODS: At the end of ARISTOTLE, blinded study drug was stopped, and open-label VKA was ...
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Journal ArticlePatient Prefer Adherence · 2015
Effective medications are a cornerstone of prevention and disease treatment, yet only about half of patients take their medications as prescribed, resulting in a common and costly public health challenge for the US health care system. Since poor medication ...
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Journal ArticleInt J Endocrinol · 2015
Background. Research has shown less aggressive treatment and poorer control of cardiovascular disease (CVD) risk factors in women than men. Methods. We analyzed sex differences in pharmacotherapy strategies and attainment of goals for hemoglobin A1c (HbA1c ...
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Journal ArticleBlood · December 11, 2014
Using data from ARISTOTLE, we describe the periprocedural management of anticoagulation and rates of subsequent clinical outcomes among patients chronically anticoagulated with warfarin or apixaban. We recorded whether (and for how long) anticoagulant ther ...
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Journal ArticleJAMA · November 19, 2014
IMPORTANCE: Little information exists about the anatomical characteristics and clinical relevance of non-infarct-related artery (IRA) disease among patients with ST-segment elevation myocardial infarction (STEMI). OBJECTIVES: To investigate the incidence, ...
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Journal ArticleCirculation · November 18, 2014
BACKGROUND: Growth differentiation factor 15 (GDF-15), high-sensitivity troponin, and N-terminal pro-brain natriuretic peptide levels are predictive of death and cardiovascular events in healthy elderly subjects, patients with acute coronary syndrome, and ...
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Journal ArticleAm Heart J · November 2014
Mortality and morbidity in acute coronary syndromes (ACSs), caused principally by plaque erosion or rupture leading to thrombus formation and myocardial ischemia, have been reduced by a combination of antithrombotic agents (antiplatelet drugs and anticoagu ...
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Journal ArticleResuscitation · November 2014
OBJECTIVE: A 10-fold regional variation in survival after out-of-hospital cardiac arrest (OHCA) has been reported in the United States, which partly relates to variability in bystander cardiopulmonary resuscitation (CPR) rates. In order for resources to be ...
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Journal ArticleAm Heart J · November 2014
Acute coronary syndromes (ACS), either ST-elevation myocardial infarction or non-ST-elevation ACS, are still one of the most common cardiac emergencies with substantial morbidity and mortality. The availability of evidence-based treatments, such as early a ...
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Journal ArticleCirc Heart Fail · November 2014
BACKGROUND: Noncardiovascular (non-CV) comorbidities may contribute to hospitalizations in patients with heart failure (HF). We examined the incidence of mortality following hospitalization for cardiovascular (CV) versus non-CV reasons in the Candesartan i ...
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Journal ArticleJ Am Coll Cardiol · October 14, 2014
BACKGROUND: Amiodarone is an effective medication in preventing atrial fibrillation (AF), but it interferes with the metabolism of warfarin. OBJECTIVES: This study sought to examine the association of major thrombotic clinical events and bleeding with the ...
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Journal ArticleAm Heart J · October 2014
BACKGROUND: Peak creatine kinase (CK)-MB concentration is related to reperfusion success and clinical outcomes after fibrinolytic therapy for acute myocardial infarction. However, prognostic implications of CK-MB measurements after primary percutaneous cor ...
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Journal ArticleAm Heart J · October 2014
OBJECTIVE: The objective of this study is to compare the effects of 2 types of diuretics, indapamide and hydrochlorothiazide, added to an angiotensin-converting enzyme inhibitor, on ventricular and arterial functions in patients with hypertension and diabe ...
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Journal ArticleLancet · September 27, 2014
BACKGROUND: p38 MAPK inhibition has potential myocardial protective effects. We assessed losmapimod, a potent oral p38 MAPK inhibitor, in patients with non-ST-segment elevation myocardial infarction (NSTEMI) in a double-blind, randomised, placebo-controlle ...
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Journal ArticleEuropace · September 2014
AIMS: Atrial fibrillation (AF) and coronary artery disease (CAD) are common in older patients. We aimed to describe the use of antiarrhythmic drug (AAD) therapy and clinical outcomes in these patients. METHODS AND RESULTS: We analysed AAD therapy and outco ...
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Journal ArticleJ Thromb Haemost · September 2014
BACKGROUND: D-dimer is related to adverse outcomes in arterial and venous thromboembolic diseases. OBJECTIVES: To evaluate the predictive value of D-dimer level for stroke, other cardiovascular events, and bleeds, in patients with atrial fibrillation (AF) ...
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Journal ArticleResuscitation · September 2014
AIM: To investigate diurnal variations in incidence and outcomes following out-of-hospital cardiac arrest (OHCA). METHODS: OHCA of presumed cardiac etiology were identified through the nationwide Danish Cardiac Arrest Registry (2001-2010). Time of day was ...
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Journal ArticleAm Heart J · September 2014
Approximately half of patients with atrial fibrillation and with risk factors for stroke are not treated with oral anticoagulation (OAC), whether it be with vitamin K antagonists (VKAs) or novel OACs (NOACs); and of those treated, many discontinue treatmen ...
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Journal ArticleCirc Cardiovasc Interv · August 2014
BACKGROUND: Although randomized clinical trials have compared clopidogrel with higher potency ADP receptor inhibitors (ADPris) among patients with myocardial infarction, little is known about the frequency and factors associated with switching between ADPr ...
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Journal ArticleEur Heart J · July 21, 2014
AIMS: The risk of stroke in patients with atrial fibrillation (AF) increases with age. In the ARISTOTLE trial, apixaban when compared with warfarin reduced the rate of stroke, death, and bleeding. We evaluated these outcomes in relation to patient age. MET ...
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Journal ArticleCirc Heart Fail · July 2014
BACKGROUND: Hospitalization for acute heart failure (HF) is associated with high rates of subsequent mortality and readmission. We assessed the influence of the time interval between previous HF hospitalization and randomization in the Candesartan in Heart ...
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Journal ArticleEur Heart J · June 14, 2014
The organization of networks in order to better coordinate and to faster offer reperfusion strategies for acute ST-elevation myocardial infarction (STEMI) is an important recommendation of recent versions of international guidelines. This article focusses ...
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Journal ArticleCirc Res · June 6, 2014
The appropriate timing of angiography to facilitate revascularization is essential to optimize outcomes in patents with ST-segment-elevation myocardial infarction and non-ST-segment-elevation acute coronary syndromes. Timely reperfusion of the infarct-rela ...
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Journal ArticleJ Med Econ · June 2014
BACKGROUND: The Timing of Intervention in Acute Coronary Syndromes (TIMACS) trial demonstrated that early invasive intervention (within 24 hours) was similar to a delayed approach (after 36 hours) overall but improved outcomes were seen in patients at high ...
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Journal ArticleJ Am Coll Cardiol · May 27, 2014
OBJECTIVES: This study sought to characterize major bleeding on the basis of the components of the major bleeding definition, to explore major bleeding by location, to define 30-day mortality after a major bleeding event, and to identify factors associated ...
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Journal ArticleN Engl J Med · May 1, 2014
BACKGROUND: Elevated lipoprotein-associated phospholipase A2 activity promotes the development of vulnerable atherosclerotic plaques, and elevated plasma levels of this enzyme are associated with an increased risk of coronary events. Darapladib is a select ...
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Journal ArticleLancet Neurol · April 2014
Cryptogenic (of unknown cause) ischaemic strokes are now thought to comprise about 25% of all ischaemic strokes. Advances in imaging techniques and improved understanding of stroke pathophysiology have prompted a reassessment of cryptogenic stroke. There i ...
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Journal ArticleJ Thromb Thrombolysis · April 2014
Warfarin use in patients with acute myocardial infarction (AMI) and atrial fibrillation (AF) remains challenging. We describe use of warfarin up to 1Â year after hospitalization among patients with AMI and AF according to stroke and bleeding risk, and ident ...
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Journal ArticleJ Am Coll Cardiol · March 25, 2014
OBJECTIVES: The aim of this study was to determine the risk of major clinical and thromboembolic events after cardioversion for atrial fibrillation in subjects treated with apixaban, an oral factor Xa inhibitor, compared with warfarin. BACKGROUND: In patie ...
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Journal ArticleCirculation · February 11, 2014
BACKGROUND: High-sensitivity troponin-I (hs-TnI) measurement improves risk assessment for cardiovascular events in many clinical settings, but the added value in atrial fibrillation patients has not been described. METHODS AND RESULTS: At randomization, hs ...
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ConferenceJ Am Coll Cardiol · January 7, 2014
OBJECTIVES: The aim of this study was to evaluate the prognostic value of high-sensitivity troponin T (hs-TnT) in addition to clinical risk factors and the CHA2DS2VASc (congestive heart failure, hypertension, 75 years of age and older, diabetes mellitus, p ...
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Journal ArticleAm Heart J · January 2014
ST-segment elevation myocardial infarction (STEMI) systems of care have been associated with significant improvement in use and timeliness of reperfusion. Consequently, national guidelines recommend that each community should develop a regional STEMI care ...
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Journal ArticleAtherosclerosis · January 2014
OBJECTIVE: To validate independent associations between branched-chain amino acids (BCAA) and other metabolites with coronary artery disease (CAD). METHODS: We conducted mass-spectrometry-based profiling of 63 metabolites in fasting plasma from 1983 sequen ...
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Journal ArticleEur J Heart Fail · January 2014
AIMS: Heart failure is characterized by recurrent hospitalizations, but often only the first event is considered in clinical trial reports. In chronic diseases, such as heart failure, analysing all events gives a more complete picture of treatment benefit. ...
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Journal ArticleJ Electrocardiol · 2014
OBJECTIVES: To evaluate quantitative relationships between baseline Q-wave width and 90-day outcomes in ST-segment elevation myocardial infarction (STEMI). BACKGROUND: Baseline Q-waves are useful in predicting clinical outcomes after MI. METHODS: 3589 STEM ...
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Journal ArticleScientifica (Cairo) · 2014
Atrial fibrillation is the most common arrhythmia and accounts for one-third of hospitalizations for rhythm disorders in the United States. The prevalence of atrial fibrillation averages 1% and increases with age. With the aging of the population, the numb ...
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Journal ArticleEur Heart J · January 2014
AIMS: We assessed the effect of concomitant aspirin use on the efficacy and safety of apixaban compared with warfarin in patients with atrial fibrillation (AF). METHODS AND RESULTS: In ARISTOTLE, 18 201 patients were randomized to apixaban 5 mg twice daily ...
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Journal ArticleCirculation · December 17, 2013
BACKGROUND: Understanding temporal differences in the incidence and outcomes of out-of-hospital cardiac arrest (OHCA) has important implications for developing preventative strategies and optimizing systems for OHCA care. METHODS AND RESULTS: We studied 18 ...
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Journal ArticleInt J Cardiol · December 10, 2013
BACKGROUND: A substantial portion of patients with atrial fibrillation (AF) also have coronary artery disease (CAD) and are at risk for coronary events. Warfarin is known to reduce these events, but increase the risk of bleeding. We assessed the effects of ...
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Journal ArticleJ Am Coll Cardiol · November 12, 2013
OBJECTIVES: This study sought to determine the characteristics and outcomes of young adults with heart failure (HF). BACKGROUND: Few studies have focused on young and very young adults with HF. METHODS: Patients were categorized into 5 age groups: 20 to 39 ...
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Journal ArticleEur Heart J · November 2013
AIMS: Despite the known benefits of regular exercise, the reasons why many coronary heart disease (CHD) patients engage in little physical activity are not well understood. This study identifies factors associated with low activity levels in individuals wi ...
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Journal ArticleEur J Heart Fail · November 2013
AIMS: Treatment of patients with heart failure (HF) relies on measurement of LVEF. However, the extent to which EF is recorded varies markedly. We sought to characterize the patient group that is missing a measure of EF, and to explore the association betw ...
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Journal ArticleAm Heart J · November 2013
BACKGROUND: Left ventricular end-diastolic pressure (LVEDP) is frequently measured during primary percutaneous coronary intervention (PCI). However, little is known of this measurement's utility in predicting outcomes or informing treatment decisions. We s ...
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Journal ArticleInt J Cardiol · October 3, 2013
BACKGROUND: Plaque rupture, acute ischemia, and necrosis in acute coronary syndromes are accompanied by concurrent pro- and anti-inflammatory cascades. Whether STEMI clinical prediction models can be improved with the addition of baseline inflammatory biom ...
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Journal ArticleAm Heart J · October 2013
BACKGROUND: There is large and significant regional variation in out-of-hospital cardiac arrest (OHCA), and despite advances in treatment, survival remains low. The American Heart Association has called for the creation of integrated cardiac resuscitation ...
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Journal ArticleN Engl J Med · September 26, 2013
BACKGROUND: Dabigatran is an oral direct thrombin inhibitor that has been shown to be an effective alternative to warfarin in patients with atrial fibrillation. We evaluated the use of dabigatran in patients with mechanical heart valves. METHODS: In this p ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · September 2013
AIMS: To describe the characteristics, treatment, and mortality in patients with ST-elevation myocardial infarction (STEMI) by use of chronic oral anticoagulant (OAC) therapy. METHODS: Using data from the Global Registry of Acute Coronary Syndromes (GRACE) ...
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Journal ArticleCrit Care Med · September 2013
OBJECTIVES: To assess whether systemic inflammatory response syndrome is associated with morbidity and mortality in ST-elevation myocardial infarction. DESIGN AND SETTING: Secondary analysis of multicenter randomized controlled trials. PATIENTS: Complement ...
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Journal ArticleExpert Rev Cardiovasc Ther · September 2013
Atrial fibrillation (AF) is associated with significant mortality and morbidity, and stroke represents the most-feared complication. Consequently, AF treatment has focused on thromboprophylaxis, with warfarin as the mainstay of therapy. However, concerns o ...
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Journal ArticleAm Heart J · September 2013
BACKGROUND: In ARISTOTLE, apixaban resulted in a 21% reduction in stroke, a 31% reduction in major bleeding, and an 11% reduction in death. However, approval of apixaban was delayed to investigate a statement in the clinical study report that "7.3% of subj ...
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Journal ArticleAm Heart J · September 2013
BACKGROUND: Patients with atrial fibrillation who are vitamin K antagonist (VKA)-naive may have a higher risk of thrombosis and/or bleeding than VKA-experienced patients. METHODS AND RESULTS: Using data from ARISTOTLE, we assessed baseline characteristics ...
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Journal ArticleAm J Crit Care · September 2013
BACKGROUND: Alcohol withdrawal syndrome, characterized by confusion, agitation, and hallucinations, decreases the safety of patients with acute myocardial infarction. Unexpected hospitalization and sudden cessation of alcohol consumption may increase in-ho ...
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Journal ArticleAm J Cardiol · August 15, 2013
Approximately 15% to 25% or 75,000 ischemic strokes are attributed to atrial fibrillation annually within the United States. Atrial fibrillation is the most frequently diagnosed cardiac arrhythmia and affects more than 2.66 million Americans. Moreover, atr ...
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Journal ArticleEur Heart J · August 2013
AIMS: It is uncertain whether the benefit from apixaban varies by type and duration of atrial fibrillation (AF). METHODS AND RESULTS: A total of 18 201 patients with AF [2786 (15.3%) with paroxysmal and 15 412 (84.7%) with persistent or permanent] were ran ...
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Journal ArticleAm Heart J · August 2013
BACKGROUND: Lead aVR ST-segment deviation has been associated with increased mortality in ST-elevation myocardial infarction patients treated with fibrinolysis. However, its prognostic value in a contemporaneous population undergoing primary percutaneous c ...
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Journal ArticleCirc Cardiovasc Interv · August 2013
BACKGROUND: Among patients identified prehospital with ST-segment-elevation myocardial infarction, emergency medical service transport from the field directly to the catheterization laboratory, thereby bypassing the emergency department (ED), may shorten t ...
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Journal ArticleCirculation · July 23, 2013
BACKGROUND: For patients identified before hospital arrival with ST-segment-elevation myocardial infarction, bypassing the emergency department (ED) with direct transport to the catheterization laboratory may shorten reperfusion times. METHODS AND RESULTS: ...
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Journal ArticleJ Thromb Thrombolysis · July 2013
To discuss and share knowledge about advances in the care of patients with thrombotic disorders, the Fifth International Symposium of Thrombosis and Anticoagulation was held in Belo Horizonte, Minas Gerais, Brazil, on October 18-19, 2012. This scientific p ...
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Journal ArticleJ Am Coll Cardiol · June 4, 2013
OBJECTIVES: This study sought to assess the prognostic value of N-terminal pro-B-type natriuretic peptide (NT-proBNP) in patients with atrial fibrillation (AF) enrolled in the ARISTOTLE (Apixaban for the Prevention of Stroke in Subjects With Atrial Fibrill ...
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Journal ArticleCirculation · June 4, 2013
BACKGROUND: In the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial, apixaban compared with warfarin reduced stroke and systemic embolism, major bleeding, and mortality. We evaluated treatment effect ...
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Journal ArticleAm Heart J · June 2013
Numerous challenges-financial, regulatory, and cultural-are hindering US participation and performance in multinational clinical trials. Consequently, it is increasingly unclear how the results of these trials should be applied to American patients, practi ...
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Journal ArticleAm Heart J · June 2013
In recent years, international clinical trials have increasingly included large numbers of patients and research sites from developing countries. In South America particularly, enrollment in randomized clinical trials has increased substantially. Despite t ...
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Journal ArticleJACC Heart Fail · June 2013
OBJECTIVES: This study sought to describe the occurrence and timing of heart failure (HF), associated clinical factors, and 30-day outcomes in patients with non-ST-segment elevation acute coronary syndromes (NSTE-ACS). BACKGROUND: Little is known about HF- ...
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Journal ArticleTrials · May 2, 2013
BACKGROUND: Larger infarct size measured by creatine kinase (CK)-MB release is associated with higher mortality and has been used as an important surrogate endpoint in the evaluation of new treatments for ST-segment elevation myocardial infarction (STEMI). ...
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Journal ArticleCirc Heart Fail · May 2013
BACKGROUND: We examined the risk of stroke or systemic embolism (SSE) conferred by heart failure (HF) and left ventricular systolic dysfunction (LVSD) in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation Trial (ARI ...
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Journal ArticleEur Heart J · May 2013
Assessment of atrial fibrillation (AF)-associated stroke risk is at present mainly based on clinical risk scores such as CHADS2 and CHA2DS2-VASc, although these scores provide only modest discrimination of risk for individual patients. Biomarkers derived f ...
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Journal ArticleCirc Cardiovasc Interv · April 2013
BACKGROUND: Stroke is a rare but potentially devastating complication of acute myocardial infarction. Little is known about stroke timing, characteristics, and clinical outcomes in patients with ST-segment elevation myocardial infarction treated with prima ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · March 2013
BACKGROUND: The cardiac intensive care unit (CICU) has evolved into a complex patient-care environment with escalating acuity and increasing utilization of advanced technologies. These changing demographics of care may require greater clinical expertise am ...
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Journal ArticleAm Heart J · March 2013
AIMS: Dynamic risk models update the risk profile of ST-elevation myocardial infarction (STEMI) patients over the acute period following the event and have implications to clinical practice and research. METHODS AND RESULTS: Multivariable survival models w ...
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Journal ArticleAm Heart J · March 2013
BACKGROUND: Emergency medical services (EMS) are critical in the treatment of ST-segment elevation myocardial infarction (STEMI). Prehospital system delays are an important target for improving timely STEMI care, yet few limited data are available. METHODS ...
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Journal ArticleCirculation · February 5, 2013
BACKGROUND: The ultimate treatment goal for ST-segment elevation myocardial infarction (STEMI) is rapid reperfusion via primary percutaneous intervention (PCI). North Carolina has adopted a statewide STEMI referral strategy that advises paramedics to bypas ...
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Journal ArticleAm Heart J · February 2013
Advances in technique and adjunctive medication have improved outcome of ST-segment elevation myocardial infarction (STEMI) patients. However, the timely delivery and administration of reperfusion strategies to all eligible patients remain challenging. Cur ...
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Journal ArticleAm Heart J · February 2013
BACKGROUND: Aborted myocardial infarction (AbMI) in patients with ST-elevation MI defined by ST resolution with less than 2-fold elevation in biomarkers has been previously reported. We examined the association among AbMI, other metrics of infarct size, an ...
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Journal ArticleAm J Med · December 2012
BACKGROUND: Heparin is commonly used for venous thromboembolism prophylaxis; however, the incidence of acquired thrombocytopenia in this setting has not been well described. METHODS: The Complications After Thrombocytopenia Caused by Heparin (CATCH) Regist ...
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Journal ArticleAm J Cardiol · December 1, 2012
Q waves have been shown to be a stronger prognostic marker than time from symptom onset to percutaneous coronary intervention (PCI) in ST-segment elevation myocardial infarction. We examined whether the relative importance of these 2 measurements is modula ...
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Journal ArticleLancet · November 17, 2012
BACKGROUND: The Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial showed that apixaban is better than warfarin at prevention of stroke or systemic embolism, causes less bleeding, and results in lower ...
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Chapter · November 1, 2012
As our understanding of the pathophysiological underpinnings of reperfusion injury has increased, many therapies directed at preventing the detrimental effects of this phenomenon have been tested. For primary PCI, this has ranged from mechanical protection ...
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Journal ArticleAm J Med · November 2012
PURPOSE: Substantial heterogeneity in hospital length of stay exists among patients admitted with non-ST-segment elevation myocardial infarction. Furthermore, little is known about the factors that impact length of stay. METHODS: We examined 39,107 non-ST- ...
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Journal ArticleEur Heart J · November 2012
AIMS: Atrial fibrillation (AF) is common among patients with impaired renal function. Apixaban, a novel oral anticoagulant with partial renal excretion, was compared with warfarin and reduced the rate stroke, death and bleeding in the ARISTOTLE trial. We e ...
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Journal ArticleAm Heart J · November 2012
The p38 mitogen-activated protein kinase (MAPK) is a nexus point in inflammation, sensing, and stimulating cytokine production and driving cell migration and death. In acute coronary syndromes, p38MAPK inhibition could stabilize ruptured atherosclerotic pl ...
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Journal ArticleAm Heart J · October 2012
BACKGROUND: Older patients with atrial fibrillation (AF) and coronary artery disease (CAD) face high risk of stroke and bleeding with antithrombotic therapy. Balancing safe and effective use of aspirin, clopidogrel, and warfarin in this population is impor ...
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Journal ArticleJ Am Osteopath Assoc · September 2012
Atrial fibrillation is a common condition that is associated with a high risk of stroke. In the present article, which is based on a roundtable discussion held on February 8, 2012, the faculty discuss various aspects of caring for patients with atrial fibr ...
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Journal ArticleJ Am Osteopath Assoc · September 2012
The incidence of atrial fibrillation (AF), as well as the related morbidity and mortality, is increasing in step with the aging of the US population. Frequently, AF leads to untoward outcomes, including a 5-fold increased risk of stroke, hospitalization, i ...
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Journal ArticleAm J Med · September 2012
BACKGROUND: Atrial fibrillation guidelines recommend long-term use of warfarin according to a patient's predicted risk of stroke. After acute myocardial infarction, however, combining warfarin and antiplatelet medications poses challenges. METHODS: By usin ...
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Journal ArticleAm J Crit Care · September 2012
BACKGROUND: The Patient Self-Determination Act of 1990 mandates that hospitals reimbursed by Medicare and Medicaid inform each patient about the patient's right to a natural death. OBJECTIVE: To describe and explore implementation of the Patient Self-Deter ...
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Journal ArticleCirc Cardiovasc Interv · August 1, 2012
BACKGROUND: For patients with ST-segment elevation myocardial infarction transferred for primary percutaneous coronary intervention, guidelines have called for device activation within 90 minutes of initial presentation. Fewer than 20% of transferred patie ...
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Journal ArticleCirculation · July 10, 2012
BACKGROUND: Despite national guidelines calling for timely coronary artery reperfusion, treatment is often delayed, particularly for patients requiring interhospital transfer. METHODS AND RESULTS: One hundred nineteen North Carolina hospitals developed coo ...
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Journal ArticleEur Heart J · July 2012
AIMS: A substantial proportion of patients with heart failure have preserved left ventricular ejection fraction (HF-PEF). Previous studies have reported mixed results whether survival is similar to those patients with heart failure and reduced EF (HF-REF). ...
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Journal ArticleJ Thromb Thrombolysis · July 2012
To discuss and share knowledge about advances in the care of patients with thrombotic disorders, the Fourth International Symposium of Thrombosis and Anticoagulation was held in Salvador, Bahia, Brazil, from October 20-21, 2011. This scientific program was ...
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Journal ArticleJACC Cardiovasc Interv · July 2012
OBJECTIVES: The aim of this study was to address the knowledge gap using the APEX-AMI (Assessment of Pexelizumab in Acute Myocardial Infarction) trial database. We also assessed the association between serious infections and 90-day death or death/myocardia ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · July 1, 2012
BACKGROUND: National guidelines call for participation in systems to rapidly diagnose and treat ST-segment-elevation myocardial infarction (STEMI). In order to characterize currently implemented STEMI reperfusion systems and identify practices common to sy ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · July 1, 2012
BACKGROUND: Transfer delays for primary percutaneous coronary intervention may increase mortality in patients with ST-segment-elevation myocardial infarction. We examined the association between door 1-to-door 2 (D1D2) time, a measure capturing the entire ...
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Journal ArticleAm Heart J · July 2012
BACKGROUND: Reasons for pexelizumab lack of benefit in ST-elevation myocardial infarction patients undergoing primary percutaneous coronary intervention remain unclear. In a substudy of the APEX-AMI trial, we explored the hypothesis that early complement a ...
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Journal ArticleJ Thromb Thrombolysis · July 2012
Coronary plaque rupture is associated with a systemic inflammatory response. The relationship between baseline N-terminal pro B-type natriuretic peptide (NT-proBNP), a prognostic marker in patients with acute coronary syndromes, and systemic inflammatory m ...
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Journal ArticleEur Heart J Acute Cardiovasc Care · June 2012
BACKGROUND: Early restoration of blood flow of the infarct-related artery is associated with an improved outcome in patients with ST-elevation myocardial infarction (STEMI). Previous studies have shown a low mortality in patients with TIMI 3 flow before pr ...
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Journal ArticleCardiovasc Drugs Ther · June 2012
PURPOSE: A number of novel oral anticoagulants, including direct thrombin inhibitors and direct factor Xa inhibitors, have been developed. This review discusses these agents and their respective clinical trials in patients with acute coronary syndromes. ME ...
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Journal ArticleLancet Neurol · June 2012
BACKGROUND: In the ARISTOTLE trial, the rate of stroke or systemic embolism was reduced by apixaban compared with warfarin in patients with atrial fibrillation (AF). Patients with AF and previous stroke or transient ischaemic attack (TIA) have a high risk ...
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Journal ArticleAm Heart J · June 2012
BACKGROUND: Vitamin K antagonists are the only oral anticoagulants approved for long-term treatment of patients with a cardiac valve replacement. OBJECTIVE: This study aims to test a new dosing regimen for dabigatran etexilate in patients with a mechanical ...
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Journal ArticleCrit Pathw Cardiol · June 2012
The timely diagnosis and treatment of acute ST-segment elevation myocardial infarction (STEMI) have become paramount to improving outcomes in this population. Many states, including North Carolina, have established systems to guide regional emergency provi ...
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Journal ArticleJ Am Coll Cardiol · May 15, 2012
OBJECTIVES: The aim of this study was to explore the relationship between baseline resting heart rate and outcomes in patients with chronic heart failure (HF) according to baseline left ventricular ejection fraction (LVEF) and cardiac rhythm. BACKGROUND: E ...
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Journal ArticleAm Heart J · May 2012
BACKGROUND: Information on practice patterns and outcomes in patients with ST-elevation myocardial infarction undergoing primary percutaneous coronary interventions (PCIs) in Canada vs United States is limited. METHODS: We evaluated differences in clinical ...
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Journal ArticleAnn Emerg Med · April 2012
STUDY OBJECTIVE: Although regionalized care for ST-segment elevation myocardial infarction (STEMI) has improved the use of timely reperfusion therapy, its effect on patient outcomes has been difficult to assess. Our objective is to explore temporal trends ...
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Journal ArticleJ Thorac Cardiovasc Surg · April 2012
OBJECTIVE: Clinical models incompletely predict the outcomes after coronary artery bypass grafting. Novel molecular technologies can identify biomarkers to improve risk stratification. We examined whether metabolic profiles can predict adverse events in pa ...
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Journal ArticleCirc Cardiovasc Genet · April 1, 2012
BACKGROUND: Recent genome-wide association studies (GWAS) have identified several novel loci that reproducibly associate with coronary artery disease (CAD) and/or myocardial infarction risk. However, known common CAD risk variants explain only 10% of the p ...
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Journal ArticleAm Heart J · March 2012
BACKGROUND: Current guidelines recommend an immediate (eg, <10 minutes) 12-lead electrocardiogram (ECG) to identify ST-elevation myocardial infarction (STEMI) among patients presenting to the emergency department (ED) with chest pain. Yet, one third of all ...
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Journal ArticleCoron Artery Dis · March 2012
OBJECTIVES: Predictors of adverse outcomes following myocardial infarction (MI) are well established; however, little is known about what predicts enzymatically estimated infarct size in patients with acute ST-elevation MI. The Complement And Reduction of ...
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Journal ArticleNat Rev Cardiol · February 28, 2012
On the basis of high-quality observational data, Goyal et al. have found that serum potassium levels <3.5 mmol/l or ≥4.5 mmol/l are associated with increased in-hospital mortality in patients with acute myocardial infarction. We discuss whether target pota ...
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Journal ArticleBMC Genet · February 27, 2012
BACKGROUND: Coronary artery disease (CAD), and one of its intermediate risk factors, dyslipidemia, possess a demonstrable genetic component, although the genetic architecture is incompletely defined. We previously reported a linkage peak on chromosome 5q31 ...
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Journal ArticleCurr Cardiol Rep · February 2012
Randomized clinical trials have conclusively demonstrated that warfarin prevents stroke in patients with atrial fibrillation. This evidence led the American College of Cardiology, the American Heart Association, and the European Society of Cardiology to de ...
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Journal ArticleAm J Cardiol · February 1, 2012
Gender-related differences in the incidence of bleeding and its relation to subsequent mortality in patients with ST-segment elevation myocardial infarction (STEMI) treated with fibrinolysis are not well understood. We studied patients with STEMI receiving ...
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Journal ArticleInt J Stroke · February 2012
Atrial fibrillation is an important risk factor for stroke. New drugs for oral anticoagulation that do not exhibit the limitations of vitamin K antagonists like warfarin are under investigation. These include direct factor Xa inhibitors and direct thrombin ...
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Journal ArticleCirculation · January 17, 2012
BACKGROUND: For patients with an acute ST-segment elevation myocardial infarction, cardiac catheterization laboratory (CCL) activation by emergency medical technicians or emergency physicians has been shown to substantially reduce treatment times. One draw ...
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Journal ArticleJAMA · January 4, 2012
CONTEXT: ST-segment elevation myocardial infarction (STEMI) treatment has improved outcomes and shortened hospital stay. Recently, 30-day readmission rates have been proposed as a metric for care of patients with STEMI. However, international rates and pre ...
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Journal ArticleCoron Artery Dis · January 2012
OBJECTIVES: Liver enzyme elevations occur with ST-segment elevation myocardial infarction (STEMI); however, their significance in the modern era is not well-defined. The incidence of liver enzyme elevations in STEMI, temporal trends, correlations with crea ...
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Journal ArticleN Engl J Med · December 15, 2011
BACKGROUND: Dronedarone restores sinus rhythm and reduces hospitalization or death in intermittent atrial fibrillation. It also lowers heart rate and blood pressure and has antiadrenergic and potential ventricular antiarrhythmic effects. We hypothesized th ...
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Journal ArticleCirc Cardiovasc Genet · December 2011
BACKGROUND: Metabolic profiling holds promise for early detection of coronary artery disease and assessing risk for ischemic events. Heparin is frequently administered (1) to treat acute coronary syndromes; and (2) during routine cardiac catheterization pr ...
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Journal ArticleAm Heart J · November 2011
BACKGROUND: Conventional composite outcomes in heart failure (HF) trials, for example, time to cardiovascular death or first HF hospitalization, have recognized limitations. We propose an alternative outcome, days alive and out of hospital (DAOH), which in ...
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Journal ArticleEur Heart J · November 2011
AIM: After an acute coronary syndrome, patients remain at risk of recurrent ischaemic events, despite contemporary treatment, including aspirin and clopidogrel. We evaluated the safety and indicators of efficacy of the novel oral direct thrombin inhibitor ...
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Journal ArticleAm J Emerg Med · October 2011
BACKGROUND: Acute heart failure (AHF) is a common, poorly characterized manifestation of hypertensive emergency. We sought to describe characteristics, treatment, and outcomes of patients with severe hypertension complicated by AHF. METHODS AND RESULTS: Th ...
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Journal ArticleEur Heart J · October 2011
AIMS: To establish the safety, tolerability and most promising regimen of darexaban (YM150), a novel, oral, direct factor Xa inhibitor, for prevention of ischaemic events in acute coronary syndrome (ACS). METHODS: In a 26-week, multi-centre, double-blind, ...
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Journal ArticleCrit Care Med · October 2011
OBJECTIVE: To determine the demographic and clinical features, hospital complications, and predictors of 90-day mortality in neurologic patients with acute severe hypertension. DESIGN: Studying the Treatment of Acute hyperTension (STAT) was a multicenter ( ...
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Journal ArticleN Engl J Med · September 15, 2011
BACKGROUND: Vitamin K antagonists are highly effective in preventing stroke in patients with atrial fibrillation but have several limitations. Apixaban is a novel oral direct factor Xa inhibitor that has been shown to reduce the risk of stroke in a similar ...
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Journal ArticleAm J Cardiol · September 15, 2011
We compared the clinical features, laboratory and coronary angiographic findings, treatments, and outcomes among patients with ST-segment elevation myocardial infarction (MI) with and without left bundle branch block (LBBB). We examined 5,742 patients with ...
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Journal ArticleAm Heart J · September 2011
Poor adherence to efficacious cardiovascular-related medications has led to considerable morbidity, mortality, and avoidable health care costs. This article provides results of a recent think-tank meeting in which various stakeholder groups representing ke ...
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Journal ArticleAm J Cardiol · September 1, 2011
It is unclear if clinician risk stratification has changed with time. The aim of this study was to assess the temporal change in the concordance between patient presenting risk and the intensity of evidence-based therapies received for non-ST-segment eleva ...
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Journal ArticleJ Thromb Thrombolysis · August 2011
To discuss and share knowledge around advances in the care of patients with thrombotic disorders, the Third International Symposium of Thrombosis and Anticoagulation was held in São Paulo, Brazil, from October 14-16, 2010. This scientific program was devel ...
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Journal ArticleAm Heart J · August 2011
BACKGROUND: Acute myocardial infarction (AMI) is a leading cause of mortality in Asia. However, quantitative risk scores to predict mortality after AMI were developed without the participation of Asian countries. METHODS: We evaluated the performance of th ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · July 2011
BACKGROUND: The ability to rapidly identify patients with ST-segment elevation-myocardial infarction (STEMI) at hospitals without percutaneous coronary intervention (PCI) and transfer them to hospitals with PCI capability is critical to STEMI regionalizati ...
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Journal ArticleAm Heart J · July 2011
BACKGROUND: Mortality after ST-elevation myocardial infarction (STEMI) has reduced with reperfusion by primary percutaneous coronary intervention (PCI), which may have impacted on the adverse outcomes of cardiogenic shock (CS) and congestive heart failure ...
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Journal ArticleAm Heart J · April 2011
BACKGROUND: The association of sustained ventricular tachycardia/fibrillation (VT/VF) with mortality in patients undergoing primary percutaneous coronary intervention (PCI) may vary with baseline patient risk and may be associated with higher mortality in ...
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Journal ArticleJ Hypertens · April 2011
BACKGROUND: Angiotensin-converting enzyme inhibitors (ACEi) and angiotensin II receptor blockers (ARBs) reduce cardiovascular disease (CVD) events, but a recent meta-analysis of selected studies suggested that ARBs may increase cancer risks. OBJECTIVE: Can ...
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Journal ArticleArch Intern Med · March 28, 2011
BACKGROUND: To understand the influence of age on treatment and outcomes, we analyzed the largest group of patients 75 years or older with ST-segment elevation myocardial infarction treated with primary percutaneous coronary intervention (PPCI) in a clinic ...
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Journal ArticleContemp Clin Trials · March 2011
BACKGROUND: Independent adjudication of clinical trial events is traditionally performed by physicians on a clinical event classification (CEC) committee. OBJECTIVES: The experience of the centralized CEC group of the APEX-AMI trial is described. This grou ...
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Journal ArticleAm Heart J · March 2011
BACKGROUND: Meta-analyses of randomized trials show that primary percutaneous coronary intervention (PPCI) results in lower mortality than fibrinolytic therapy in patients with myocardial infarction. We investigated which categories of patients with myocar ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · March 2011
BACKGROUND: Prior studies demonstrate a direct relationship between treatment delays to primary percutaneous intervention and mortality in patients with ST-segment elevation myocardial infarction (STEMI). This analysis compared the relationship of symptom ...
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Journal ArticleJ Am Coll Cardiol · January 11, 2011
OBJECTIVES: The purpose of this study was to examine the association between lower socioeconomic status (SES), as ascertained by years of education, and outcomes in patients with acute ST-segment elevation myocardial infarction (STEMI). BACKGROUND: Previou ...
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Journal ArticleReg Anesth Pain Med · 2011
BACKGROUND: Subarachnoid blocks are considered routine anesthetic procedures important in the daily practices of most anesthesiologists. However, few data exist regarding modern failure rates or quality-compromising behaviors. METHODS: Sixty adult patients ...
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Journal ArticleCrit Care · 2011
INTRODUCTION: Although effective strategies are available for the management of chronic hypertension, less is known about treating patients with acute, severe elevations in blood pressure. Using data from the European registry for Studying the Treatment of ...
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Journal ArticleAm J Med · January 2011
BACKGROUND: studies have shown higher bleeding and mortality rates among African Americans who receive fibrinolytic therapy for ST-segment elevation myocardial infarction (STEMI) compared with whites; however, the relationship of bleeding risk to mortality ...
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Journal ArticleCrit Care Med · January 2011
OBJECTIVE: Few data exist to guide antiarrhythmic drug therapy for sustained ventricular tachycardia/ventricular fibrillation after acute myocardial infarction. The objective of this analysis was to describe the survival of patients with sustained ventricu ...
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Journal ArticleAm Heart J · December 2010
BACKGROUND: There is uncertainty regarding the optimal adjunctive unfractionated heparin (UFH) regimen for percutaneous coronary intervention (PCI) in patients with non-ST-segment elevation acute coronary syndrome (NSTE-ACS) treated with fondaparinux. OBJE ...
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Journal ArticleJ Am Coll Cardiol · November 2, 2010
OBJECTIVES: We sought to replicate the association between the kinesin-like protein 6 (KIF6) Trp719Arg polymorphism (rs20455), and clinical coronary artery disease (CAD). BACKGROUND: Recent prospective studies suggest that carriers of the 719Arg allele in ...
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Journal ArticlePharmacotherapy · November 2010
STUDY OBJECTIVE: To assess antihypertensive treatment practices and outcomes for patients with acute severe hypertension requiring hospitalization. DESIGN: Subanalysis of a multicenter, observational, cross-sectional study. DATA SOURCE: The STAT registry ( ...
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Journal ArticleLancet · October 9, 2010
BACKGROUND: Clopidogrel and aspirin are the most commonly used antiplatelet therapies for percutaneous coronary intervention (PCI). We assessed the effect of various clopidogrel and aspirin regimens in prevention of major cardiovascular events and stent th ...
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Journal ArticleCirc Cardiovasc Interv · October 2010
BACKGROUND: Accurate models to predict mortality are needed for risk stratification in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). METHODS AND RESULTS: We examined 5745 patie ...
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Journal ArticleAm Heart J · October 2010
BACKGROUND: ST-elevation myocardial infarction (STEMI) patients with a prior MI history have worse outcomes. The prognostic significance of silent MI (pathologic Q waves outside the ST-elevation territory) in STEMI is unclear. METHODS: A total of 5,733 STE ...
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Journal ArticleN Engl J Med · September 2, 2010
BACKGROUND: Clopidogrel and aspirin are widely used for patients with acute coronary syndromes and those undergoing percutaneous coronary intervention (PCI). However, evidence-based guidelines for dosing have not been established for either agent. METHODS: ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · September 2010
BACKGROUND: Prior studies have demonstrated differences in time to reperfusion for ST-segment-elevation myocardial infarction (STEMI) in women, minorities, and the elderly, relative to their counterparts. Regionalization has been shown to improve overall S ...
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Journal ArticleAm Heart J · September 2010
BACKGROUND: Clinical predictive models leave gaps in our ability to stratify cardiovascular risk. High-throughput molecular profiling promises to improve risk classification. METHODS: Horizon 1 of the Measurement to Understand the Reclassification of Disea ...
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Journal ArticleAm Heart J · September 2010
BACKGROUND: Acute severe hypertension can be a life-threatening emergency. The objective of this study was to describe the frequency of rehospitalization for patients with acute severe hypertension and to identify clinical predictors of 90-day rehospitaliz ...
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Journal ArticleAm J Cardiol · September 1, 2010
The prognostic value of myocardial infarct size estimation by QRS scoring in patients with ST-segment elevation myocardial infarction (STEMI) who undergo primary percutaneous coronary intervention (PCI) is unclear. The standard 32-point Selvester QRS score ...
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Journal ArticleAm Heart J · August 2010
OBJECTIVES: The purpose of this study was to determine predictors of 90-day left ventricular function following acute ST-segment elevation myocardial infarction (STEMI) using variables from clinical presentation, biomarker testing, and cardiovascular magne ...
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Journal ArticleNat Genet · August 2010
We performed a genome-wide association study on 1,292 individuals with abdominal aortic aneurysms (AAAs) and 30,503 controls from Iceland and The Netherlands, with a follow-up of top markers in up to 3,267 individuals with AAAs and 7,451 controls. The A al ...
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Journal ArticleAm J Crit Care · July 2010
BACKGROUND: Tailoring care for patients and their families at the end of life is important. PURPOSE: To examine factors associated with patients' choices for level of care at the end of life. METHODS: Data on demographics and level of care (full code, do n ...
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Journal ArticleEur J Heart Fail · July 2010
AIMS: It is unknown whether there is an interaction between aspirin and angiotensin receptor blockers on outcomes in patients with heart failure (HF). METHODS AND RESULTS: The efficacy and safety of candesartan vs. placebo was assessed in 7599 patients wit ...
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Journal ArticleEur Heart J · July 2010
AIMS: To examine the incidence of and propensity for non-culprit interventions performed at the time of the primary percutaneous coronary intervention (PCI) and its association with 90-day outcomes. METHODS AND RESULTS: We examined the incidence, propensit ...
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Journal ArticleEur Heart J · July 2010
AIMS: Controversy exists regarding the early use of glycoprotein IIb/IIIa inhibitors (GPIs) in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). The Assessment of Pexelizumab in Acute Myoc ...
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Journal ArticleJ Med Syst · June 2010
Thrombocytopenia is associated with increased patient risk. However, the costs of this complication are not well defined. This study assessed the impact of thrombocytopenia on in-hospital costs using results from CATCH, an observational study that examined ...
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Journal ArticleHeart · June 2010
OBJECTIVE: The management of patients with atrial fibrillation (AF) following a myocardial infarction (MI) remains uncertain. This study compared a rate control strategy to an anti-arrhythmic-based rhythm control strategy for the treatment of AF following ...
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Journal ArticleAm Heart J · June 2010
BACKGROUND: Despite advances in therapy, global mortality due to acute myocardial infarction remains high. The international Hirulog and Early Reperfusion or Occlusion (HERO-2) trial of 17,073 patients with ST-segment elevation myocardial infarction provid ...
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Journal ArticleEur Heart J · June 2010
AIMS: To determine the incidence and factors associated with heart rupture (HR) in acute coronary syndrome (ACS) patients. METHODS AND RESULTS: Among 60 198 patients, 273 (0.45%) had HR (free wall rupture, n = 118; ventricular septal rupture, n = 155). Inc ...
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Journal ArticleEur Heart J · June 2010
AIMS: To examine the extent of delay from initial hospital presentation to fibrinolytic therapy or primary percutaneous coronary intervention (PCI), characteristics associated with prolonged delay, and changes in delay patterns over time in patients with S ...
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Journal ArticleEur J Heart Fail · June 2010
AIMS: Heart failure (HF) and chronic obstructive pulmonary disease are common partners. Bronchodilators are associated with adverse cardiovascular outcomes in patients with pulmonary disease. The outcome of patients with HF prescribed bronchodilators is po ...
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Journal ArticleCirculation · May 25, 2010
BACKGROUND: Little is known about the association of kidney dysfunction and outcome in acute severe hypertension. This study aimed to measure the association between baseline chronic kidney disease (estimated glomerular filtration rate), acute kidney injur ...
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Journal ArticleCirc Cardiovasc Qual Outcomes · May 2010
BACKGROUND: Patients with atrial fibrillation usually are elderly and may have cognitive dysfunction. These patients may receive less effective oral anticoagulation, resulting in more vascular events and bleeding. METHODS AND RESULTS: In an analysis of cog ...
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Journal ArticleEur Heart J · May 2010
AIMS: Experimental data point towards a favourable effect of low serum concentrations of complement mannose-binding lectin (MBL) on myocardial ischaemia/reperfusion (I/R) injury. As comparable data on the role of MBL in human I/R injury is lacking, we inve ...
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Journal ArticleAm Heart J · May 2010
BACKGROUND: Accurate estimation of coronary epicardial flow in patients with ST-elevation myocardial infarction (STEMI) is crucial to evaluating the effect of therapy and predicting outcome. Whether operator bias exists in visual estimation of TIMI flow gr ...
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Journal ArticleAm Heart J · March 2010
Atrial fibrillation (AF) is associated with increased risk of stroke that can be attenuated with vitamin K antagonists (VKAs). Vitamin K antagonist use is limited, in part, by the high incidence of complications when patients' international normalized rati ...
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Journal ArticleEur Heart J · March 2010
AIMS: To determine whether changes in practice, over time, are associated with altered rates of major bleeding in acute coronary syndromes (ACS). METHODS AND RESULTS: Patients from the Global Registry of Acute Coronary Events were enrolled between 2000 and ...
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Journal ArticleJACC Cardiovasc Interv · March 2010
OBJECTIVES: We sought to compare outcomes in ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI) with or without previous coronary artery bypass grafts (CABG). BACKGROUND: Limited informat ...
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Journal ArticleEur Heart J · March 2010
AIMS: To evaluate the prognostic impact of ST depression resolution among patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary PCI in the Assessment of Pexelizumab in Acute Myocardial Infarction (APEX-AMI) trial. METHODS AND ...
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Journal ArticleJACC Cardiovasc Interv · March 2010
OBJECTIVES: The aim of this study was to obtain a valid estimate of the clinical effects of primary percutaneous coronary intervention (PPCI) in relation to age. BACKGROUND: Treatment with PPCI is most beneficial in high-risk myocardial infarction patients ...
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Journal ArticleCrit Care Med · February 2010
OBJECTIVE: To describe long-term temporal trends in patient characteristics, processes of care, and in-hospital outcomes among unselected admissions within the contemporary coronary care unit. DESIGN: Hospital administrative database that records both paym ...
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Journal ArticleAm J Med · February 2010
BACKGROUND: We examined warfarin use at discharge (according to Congestive heart failure, Hypertension, Age>75 years, Diabetes, Prior Stroke/transient ischemic attack score and bleeding risk) and its association with 6-month death or myocardial infarction ...
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Journal ArticleJ Electrocardiol · 2010
BACKGROUND: Atrial infarction reportedly occurs in 0.7% to 52% of ST-elevation myocardial infarctions (STEMIs), up to two thirds of whom develop atrial fibrillation and flutter (AF). Prospective validation of electrocardiographic atrial infarction patterns ...
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Journal ArticleAm J Cardiol · January 1, 2010
A decrease in mechanical complications after ST-elevation myocardial infarction may have contributed to improved survival rates associated with reperfusion by primary percutaneous coronary intervention (PCI). Mechanical complications occurred in 52 of 5,74 ...
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Journal ArticleEur Heart J · January 2010
AIMS: In patients with acute coronary syndromes (ACS), the negative impact of baseline haemoglobin levels on ischaemic events, particularly death, is well established, but the association with bleeding risk is less well studied. The aim of this study was t ...
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Journal ArticleAm Heart J · January 2010
BACKGROUND: We investigated the prognostic significance of plasma N-terminal fragment of the prohormone B-type natriuretic peptide (Nt-proBNP) concentrations in addition to time to reperfusion and Thrombolysis in Myocardial Infarction (TIMI) flow before an ...
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Journal ArticleJACC Cardiovasc Imaging · January 2010
OBJECTIVES: The purpose of the study was to understand determinants of infarct size in a primary percutaneous intervention (PCI) population treated with pexelizumab compared with placebo. BACKGROUND: In the multicenter APEX-AMI (Pexelizumab in Conjunction ...
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Journal ArticleAm Heart J · December 2009
BACKGROUND: Inhibition of the P2Y12 ADP-receptor with oral antiplatelet agents given to patients undergoing primary percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI) is associated with improved outcomes, but this strat ...
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Journal ArticleAcute Coronary Syndromes · December 1, 2009
It has been >20 years since the double-blind BHAT (β-Blocker Heart Attack Trial) showed that the β-blocker propranolol reduced the rate of mortality when initiated in the first week following myocardial infarction (MI). Despite an overall 23% reduction in ...
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Journal ArticleEur Heart J · November 2009
AIMS: Red blood cell transfusion is associated with increased mortality among patients with acute coronary syndromes, but little is known about the consequences of transfusion in a contemporary setting of ST-segment elevation myocardial infarction. We desc ...
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Journal ArticleEur J Heart Fail · November 2009
AIMS: Although many patients with heart failure have incomplete adherence to prescribed medications, predisposing factors remain unclear. This analysis investigates factors associated with adherence, with particular emphasis on age and sex. METHODS AND RES ...
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Journal ArticleAm J Cardiol · November 1, 2009
Thrombocytopenia is a predictor of adverse outcomes in patients with acute coronary syndromes and in critically ill patients. The Complications After Thrombocytopenia Caused by Heparin (CATCH) registry was designed to explore the incidence, management, and ...
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Journal ArticleAm Heart J · November 2009
BACKGROUND: Reperfusion with primary percutaneous intervention (PCI) in ST-segment elevation myocardial infarction leads to improved clinical outcomes. The contribution angiographic vs electrocardiographic reperfusion parameters confer on prognosis is uncl ...
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Journal ArticleJACC Cardiovasc Interv · October 2009
OBJECTIVES: We have performed a retrospective analysis of the data stratified by time to treatment and by enrollment site: percutaneous coronary intervention hospitals (PCIH), nonpercutaneous coronary intervention hospitals (NoPCIH), or in a pre-hospital s ...
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Journal ArticleAm Heart J · October 2009
BACKGROUND: Limited data are available on the care of patients with acute severe hypertension requiring hospitalization. We characterized contemporary practice patterns and outcomes for this population. METHODS: STAT is a 25-institution, US registry of con ...
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Journal ArticlePLoS One · September 14, 2009
Systemic and local inflammation plays a prominent role in the pathogenesis of atherosclerotic coronary artery disease, but the relationship of whole blood gene expression changes with coronary disease remains unclear. We have investigated whether gene expr ...
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Journal ArticleEur Heart J · September 2009
AIMS: N-terminal pro-brain natriuretic peptide (NT-proBNP) levels predict outcomes in ST-elevation myocardial infarction patients treated with fibrinolysis or primary percutaneous coronary intervention (PCI). However, its role in facilitated PCI has not ye ...
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Journal ArticleJAMA · August 26, 2009
CONTEXT: Conflicting information exists about whether sex differences modulate short-term mortality following acute coronary syndromes (ACS). OBJECTIVES: To investigate the relationship between sex and 30-day mortality in ACS, and to determine whether this ...
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Journal ArticleLancet · August 15, 2009
BACKGROUND: Increased excretion of albumin in urine might be a marker of the various pathophysiological changes that arise in patients with heart failure. Therefore our aim was to assess the prevalence and prognostic value of a spot urinary albumin to crea ...
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Journal ArticleEur Heart J · August 2009
AIMS: To assess the incidence and timing of atrial fibrillation (AF), describe antithrombotic therapy use, and evaluate the association of AF with 90 day mortality and other secondary clinical outcomes. METHODS AND RESULTS: We studied 5745 ST-segment eleva ...
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Journal ArticleHeart · August 2009
BACKGROUND: Spontaneous reperfusion (SR) in ST elevation myocardial infarction (STEMI) improves clinical outcome, yet its incidence and impact among diabetic patients is unclear. OBJECTIVE: To carry out a systematic analysis of SR in the diabetic cohort of ...
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Journal ArticleAm Heart J · August 2009
BACKGROUND: There are limited recent data evaluating the use of the pulmonary artery catheter (PAC) in patients hospitalized with an acute coronary syndrome (ACS). Using data from the multinational Global Registry of Acute Coronary Events, we examined tren ...
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Journal ArticleJ Am Coll Cardiol · July 28, 2009
OBJECTIVES: This study sought to evaluate the relative safety and efficacy of fondaparinux and enoxaparin in patients with acute coronary syndromes (ACS) treated with glycoprotein (GP) IIb/IIIa inhibitors or thienopyridines. BACKGROUND: The OASIS 5 (Fifth ...
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Journal ArticleAm J Cardiol · July 15, 2009
In a population of patients experiencing thrombocytopenia while treated with heparin, bleeding and thromboses are well-appreciated complications, but their relative contributions to mortality have been less well described. In this population, the aims of t ...
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Journal ArticleJ Thromb Thrombolysis · July 2009
The importance of thrombosis and anticoagulation in clinical practice is rooted firmly in several fundamental constructs that can be applied both broadly and globally. Awareness and the appropriate use of anticoagulant therapy remain the keys to prevention ...
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Journal ArticleAm Heart J · June 2009
BACKGROUND: The Global Registry of Acute Coronary Events (GRACE) risk model provides a simple method for determining the probability of hospital death in acute coronary syndrome (ACS). The aim of this study was to explore the impact of modeling techniques ...
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Journal ArticleHeart · June 2009
OBJECTIVE: To identify patients with non-ST-elevation acute coronary syndrome (NSTE-ACS) with a low likelihood of any adverse in-hospital event. DESIGN, SETTING AND PATIENTS: Data were analysed from 24 097 patients with NSTEMI or unstable angina included i ...
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Journal ArticleN Engl J Med · May 21, 2009
Featured Publication
BACKGROUND: Earlier trials have shown that a routine invasive strategy improves outcomes in patients with acute coronary syndromes without ST-segment elevation. However, the optimal timing of such intervention remains uncertain. METHODS: We randomly assign ...
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Journal ArticleN Engl J Med · May 14, 2009
BACKGROUND: Vitamin K antagonists reduce the risk of stroke in patients with atrial fibrillation but are considered unsuitable in many patients, who usually receive aspirin instead. We investigated the hypothesis that the addition of clopidogrel to aspirin ...
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Journal ArticleJAMA · May 6, 2009
Featured Publication
CONTEXT: The incidence and timing of sustained ventricular tachycardia or fibrillation (VT/VF) and its impact on outcomes in patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI) are poorly und ...
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Journal ArticleDiabetes Care · May 2009
OBJECTIVE: The purpose of this study was to identify predictors of incident diabetes during follow-up of nondiabetic patients with chronic heart failure (CHF) in the Candesartan in Heart Failure Assessment of Reduction in Mortality and Morbidity (CHARM) pr ...
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Journal ArticleJ Am Coll Cardiol · April 28, 2009
OBJECTIVES: We assessed the incremental value of baseline Q waves over time from symptom onset as a marker of clinical outcome in ST-segment elevation myocardial infarction (STEMI). BACKGROUND: Time from symptom onset is a central focus in STEMI patients. ...
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Journal ArticleAm Heart J · April 2009
BACKGROUND: Thrombocytopenia and heparin-induced thrombocytopenia (HIT) are potentially devastating paradoxical side effects of heparin therapy. We explored the evaluation, management, and clinical consequences of thrombocytopenia occurring during heparin ...
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Journal ArticleHum Genet · March 2009
Leukotrienes are arachidonic acid derivatives long known for their inflammatory properties and their involvement with a number of human diseases, most particularly asthma. Recently, leukotriene-based inflammation has also been shown to play an important ro ...
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Journal ArticleEur Heart J · March 2009
AIMS: Bleeding in patients with coronary artery disease has been linked with adverse outcomes. We examined the incidence and outcomes after bleeding in 20 078 patients with acute coronary syndromes (ACS) enrolled in the OASIS-5 trial who were treated with ...
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Journal ArticleNat Genet · March 2009
Eosinophils are pleiotropic multifunctional leukocytes involved in initiation and propagation of inflammatory responses and thus have important roles in the pathogenesis of inflammatory diseases. Here we describe a genome-wide association scan for sequence ...
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Journal ArticleAm Heart J · March 2009
BACKGROUND: The OASIS-5 (Organization to Assess Strategies in Ischemic Syndromes-5) trial demonstrated that fondaparinux was noninferior to enoxaparin while reducing the risk of bleeding by 50%. The objectives of our study were to assess the effects of fon ...
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Journal ArticleArch Intern Med · February 23, 2009
BACKGROUND: Elevated blood glucose level at admission is associated with worse outcome after a myocardial infarction. The impact of elevated glucose level, particularly fasting glucose, is less certain in non-ST-segment elevation acute coronary syndromes. ...
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Journal ArticleEur J Heart Fail · February 2009
AIMS: The prevalence and importance of liver function test (LFT) abnormalities in a large contemporary cohort of heart failure patients have not been systematically evaluated. METHODS AND RESULTS: We characterized the LFTs of 2679 patients with symptomatic ...
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Journal ArticleEur Heart J · February 2009
AIMS: We explored the impact of having a hospital admission for an acute coronary syndrome (ACS) on the subsequent prognosis among patients with chronic heart failure (CHF). METHODS AND RESULTS: A total of 7599 patients with CHF, New York Heart Association ...
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Journal ArticleAm J Cardiol · January 15, 2009
The incidence of thrombocytopenia after hospital admission, patient and treatment characteristics, and outcomes in patients enrolled in the prospective multinational GRACE were examined. Heparin (unfractionated or low molecular weight) and glycoprotein IIb ...
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Journal ArticleAm J Cardiol · January 15, 2009
Acute ST-segment elevation myocardial infarction requires prompt restoration of myocardial perfusion to salvage myocardium at risk of ischemic necrosis and improve clinical outcome. Early resolution of ST-segment elevation during the time after reperfusion ...
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Journal ArticleAm J Cardiol · January 15, 2009
We evaluated the use and outcomes of drug-eluting stents (DESs) and bare metal stents (BMSs) in a large primary percutaneous coronary intervention (PCI) acute ST-elevation myocardial infarction (MI) trial. Recently concerns have been raised with "off-label ...
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Journal ArticleMol Syst Biol · 2009
Integration of genetic and metabolic profiling holds promise for providing insight into human disease. Coronary artery disease (CAD) is strongly heritable, but the heritability of metabolomic profiles has not been evaluated in humans. We performed quantita ...
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Journal ArticlePLoS Genet · January 2009
Neuropeptide Y (NPY) is a strong candidate gene for coronary artery disease (CAD). We have previously identified genetic linkage to familial CAD in the genomic region of NPY. We performed follow-up genetic, biostatistical, and functional analysis of NPY in ...
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Journal ArticleJ Am Coll Cardiol · December 9, 2008
OBJECTIVES: This study sought to investigate the efficacy and tolerability of candesartan, according to baseline blood pressure (BP), in the 4,576 patients with a low ejection fraction (EF) (
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Journal ArticleJ Thromb Thrombolysis · December 2008
Atrial fibrillation (AF) is the most common cardiac arrhythmia in clinical practice, accounting for approximately one-third of hospitalizations for cardiac rhythm disturbances. The highest incidence of AF is in patients 70-80 years old and other high-risk ...
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Journal ArticleEur Heart J · December 2008
AIMS: Ageing may affect drug efficacy and safety in patients with heart failure (HF). The Candesartan in Heart failure-Assessment of Reduction in Mortality and morbidity (CHARM) programme offered an opportunity to study the relationship between increasing ...
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Journal ArticleAm Heart J · December 2008
BACKGROUND: Antiplatelet therapy with clopidogrel and acetylsalicylic acid (ASA) reduces major cardiovascular events in patients with ST and non-ST-segment-elevation acute coronary syndromes (ACS). Recent mechanistic and clinical data suggest that higher l ...
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Journal ArticleCirculation · November 11, 2008
BACKGROUND: The Fifth and Sixth Organization to Assess Strategies in Ischemic Syndromes (OASIS 5 and 6) trials evaluated fondaparinux, a synthetic factor Xa inhibitor, in patients with non-ST- and ST-segment elevation acute coronary syndromes, respectively ...
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Journal ArticleAtherosclerosis · November 2008
BACKGROUND: Use of drug-eluting stents (DES) has reduced in-stent restenosis after percutaneous coronary intervention (PCI); however, DES are associated with late stent thrombosis. There is no accurate way to predict in-stent restenosis, although risk fact ...
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Journal ArticleAm Heart J · November 2008
BACKGROUND: Short-term use of clopidogrel plus aspirin among patients with acute coronary syndrome reduces ischemic events, but concerns about coronary artery bypass graft (CABG) surgery-related bleeding limit its early use. METHODS: Using data from 4,794 ...
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Journal ArticleEur Heart J · November 2008
AIMS: The curiosity that leanness is associated with poor survival in patients with chronic heart failure (CHF) needs further insight by investigating the impact of weight loss on prognosis in a large sample of patients across a broad spectrum of both redu ...
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Journal ArticleAm J Cardiol · November 1, 2008
Animal experimental data have shown that lipid-lowering agents reduce myocardial infarct size. This association has not been well studied in humans. We compared infarct size in 10,548 patients in the GUSTO IIb and PURSUIT trials who were (n = 1,028) or wer ...
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Journal ArticleContemp Clin Trials · November 2008
The APEX library was a coordinated and integrated set of ancillary analyses and substudies that were a part of the large APEX-AMI trial. The library included electrocardiogram, angiographic, blood biomarker, genetics, and MRI components. Operationally, the ...
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Journal ArticleCirculation · September 23, 2008
BACKGROUND: Primary percutaneous coronary angioplasty is an effective and widely adopted treatment for acute myocardial infarction. A simple method of determining prognosis after primary percutaneous coronary intervention (PCI) would facilitate appropriate ...
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Journal ArticleJ Interv Cardiol · August 2008
With the availability of new data and the recent release of new European and US guidelines, contemporary care paradigms for the treatment of patients with non-ST-elevation acute coronary syndromes (NSTE ACS), including those undergoing percutaneous coronar ...
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Journal ArticleAm Heart J · August 2008
INTRODUCTION: Spontaneous reperfusion (SR) in ST-elevation myocardial infarction has traditionally been assessed by coronary angiography. The frequency of SR varies widely in prior studies, and the clinical implications in the modern reperfusion era are un ...
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Journal ArticleHeart · July 2008
OBJECTIVE: To assess variables associated with the occurrence of atrial fibrillation (AF) and the relation of AF with short- and long-term outcomes and with other in-hospital complications in patients with acute coronary syndromes (ACS) with and without ST ...
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Journal ArticleAnn Hum Genet · July 2008
Previous association mapping on chromosome 3q13-21 detected evidence for association at the limbic system-associated membrane protein (LSAMP) gene in individuals with late-onset coronary artery disease (CAD). LSAMP has never been implicated in the pathogen ...
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Journal ArticleEur Heart J · June 2008
AIMS: To determine whether the risk of adverse cardiovascular (CV) outcomes associated with diabetes differs in patients with low and preserved ejection fraction (EF) heart failure (HF). METHODS AND RESULTS: We analysed outcomes in the Candesartan in Heart ...
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Journal ArticleAm Heart J · May 2008
In July 2005, leaders from academia, government, and industry convened in Washington, DC, to discuss key issues in the development of antithrombotic treatments for atrial fibrillation (AF). In addition to summarizing available data on the relative benefits ...
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Journal ArticleEur Heart J · May 2008
AIMS: We studied the clinical, demographic, and angiographic factors associated with successful reperfusion and the relationship between angiographic indices and clinical outcomes in a subset of the APEX-AMI trial, which tested the efficacy of pexelizumab ...
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Journal ArticleBMC Med Genet · April 22, 2008
BACKGROUND: We previously identified a 40 Mb region of linkage on chromosome 1q in our early onset coronary artery disease (CAD) genome-wide linkage scan (GENECARD) with modest evidence for linkage (n = 420, LOD 0.95). When the data are stratified by acute ...
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Journal ArticleEur Heart J · April 2008
AIMS: Non-invasive risk stratification of low- and intermediate-risk non-ST-elevation acute coronary syndromes (NSTE ACS) patients has been recommended, but limited data exist about the variation in clinical practice of stress testing in these patients and ...
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Journal ArticleEur Heart J · April 2008
AIMS: Patients in ASSENT-4 PCI undergoing tenecteplase-facilitated percutaneous coronary intervention (PCI) had more adverse events than those undergoing primary PCI. We analysed this to gain further insights. METHODS AND RESULTS: A total of 549 patients w ...
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Journal ArticleAm J Cardiol · April 1, 2008
This aim of this study was to assess the clinical utility of quantitative ST-segment depression (STD) for refining the risk stratification of non-ST elevation acute coronary syndromes in the prospective, multinational Global Registry of Acute Coronary Even ...
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Journal ArticleAm Heart J · March 2008
The population of patients with advanced coronary artery disease (CAD) is growing as a result of the aging of the general population, the extensive use of revascularization, and the efficacy of therapies that have prolonged the survival of patients with se ...
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Journal ArticleEur Heart J · March 2008
AIM: Many patients who are eligible for acute reperfusion therapy receive it after substantial delays or not at all. We wanted to determine whether over the years more patients are receiving reperfusion therapy. METHODS AND RESULTS: This analysis is based ...
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Journal ArticleHeart · March 2008
BACKGROUND: The baseline sum of ST deviation (SigmaSTD) and ST segment resolution after fibrinolysis for ST-elevation myocardial infarction are prognostically useful. OBJECTIVES: To examine the prognostic impact of ST resolution after fibrinolysis and infl ...
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Journal ArticleAm Heart J · March 2008
The following report is based on a working group meeting about advanced coronary artery disease for patients with refractory ischemia who cannot receive revascularization. The aims were to review currently available treatment strategies, define unmet clini ...
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Journal ArticleCirculation · February 19, 2008
BACKGROUND: KAI-9803, a delta-protein kinase C inhibitor, has been shown to ameliorate injury associated with ischemia and reperfusion in animal models of acute myocardial infarction (MI). METHODS AND RESULTS: Direct Inhibition of delta-Protein Kinase C En ...
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Journal ArticleAm Heart J · February 2008
BACKGROUND: Bleeding and blood transfusion are associated with increased morbidity and mortality among patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS); however, the economic consequences of these complications are not well define ...
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Journal ArticleEur Heart J · February 2008
AIMS: At least one quarter of ST-segment elevation myocardial infarction (STEMI) patients do not receive reperfusion therapy, and these patients are at high risk for new ischaemic events. We evaluated fondaparinux treatment vs. usual care, i.e. placebo or ...
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Journal ArticleEur J Heart Fail · February 2008
BACKGROUND: The efficacy and safety of adding an angiotensin receptor blocker (ARB) in heart failure (HF) patients already taking an angiotensin-converting enzyme-inhibitor (ACE-I) plus an aldosterone antagonist is uncertain (especially if taking a beta bl ...
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Journal ArticleNat Genet · February 2008
Recently, two common sequence variants on 9p21, tagged by rs10757278-G and rs10811661-T, were reported to be associated with coronary artery disease (CAD) and type 2 diabetes (T2D), respectively. We proceeded to further investigate the contributions of the ...
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Journal ArticleCirculation · January 15, 2008
BACKGROUND: Although treatment with immediate aspirin reduces morbidity and mortality in ST-elevation myocardial infarction, the optimal dose is unclear. We therefore compared the acute mortality and bleeding risks associated with the initial use of 162 ve ...
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Journal ArticleArch Intern Med · January 14, 2008
BACKGROUND: Despite widespread heparin use in clinical practice, the associated development of thrombocytopenia is an underrecognized and undertreated complication. METHODS: We analyzed data from consecutive hospitalized patients treated with heparin (unfr ...
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Journal ArticleClin Trials · 2008
BACKGROUND: Over the past decade, annual funding for biomedical research has more than doubled while new molecular entity approvals have declined by one third. OBJECTIVE: To assess the value of practices commonly employed in the conduct of large-scale clin ...
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Journal ArticleAm J Cardiol · January 1, 2008
The purpose of this study was to determine international patterns of blood transfusion in patients with acute coronary syndrome (ACS). Previous studies showed geographic heterogeneity in some aspects of ACS care. Data for variability in the use of blood tr ...
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Journal ArticleClin Trials · 2008
PURPOSE: The use of centralized systems to adjudicate clinical events is common in large clinical trials, in spite of relatively little published literature concerning the rationale and justification. The purpose of this manuscript is to review the reasons ...
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Journal ArticleCirculation · December 11, 2007
BACKGROUND: Analyses from randomized controlled trials suggest that bleeding in patients with acute myocardial infarction is associated with poor outcomes. Because these data are not generalizable to all patients with acute myocardial infarction, we sought ...
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Journal ArticleEur Heart J · December 2007
AIMS: To examine the extent and impact on clinical outcomes of adherence to electrocardiogram (ECG) entry criteria in ST-elevation myocardial infarction patients in the assessment of pexelizumab in acute myocardial infarction (APEX-AMI) trial. METHODS AND ...
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Journal ArticleHeart · December 2007
OBJECTIVE: Treatment delays may result in different clinical outcomes in patients with ST-segment elevation myocardial infarction (STEMI) who receive fibrinolytic therapy vs primary percutaneous coronary intervention (PCI). The aim of this analysis was to ...
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Journal ArticleJAMA · November 28, 2007
CONTEXT: Despite 2 decades of evidence demonstrating benefits from prompt coronary reperfusion, registries continue to show that many patients with ST-segment elevation myocardial infarction (STEMI) are treated too slowly or not at all. OBJECTIVE: To estab ...
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Journal ArticleJ Am Coll Cardiol · November 13, 2007
OBJECTIVES: We explored the incidence and predictors of hyperkalemia in a broad population of heart failure patients. BACKGROUND: When used in optimal doses to treat patients with heart failure, renin-angiotensin-aldosterone system (RAAS) inhibitors improv ...
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Journal ArticleJ Am Coll Cardiol · October 30, 2007
OBJECTIVES: This study reports a prospectively planned analysis of patients with acute coronary syndrome who underwent early percutaneous coronary intervention (PCI) in the OASIS-5 (Fifth Organization to Assess Strategies in Ischemic Syndromes) trial. BACK ...
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Journal ArticleJ Interv Cardiol · October 2007
BACKGROUND: Adverse events occur following non-ST elevation acute coronary syndromes (NSTE ACS). However, the timing of these events in relation to index event is less clear. METHODS: Accordingly, we evaluated 26,466 NSTE ACS patients from the Global Use o ...
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Journal ArticleCirculation · September 25, 2007
BACKGROUND: Patients with chronic heart failure (HF) are at increased risk of both fatal and nonfatal major adverse cardiovascular events. We used data from the Candesartan in Heart failure: Assessment of Reduction in Mortality and morbidity (CHARM) trials ...
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Journal ArticleJ Am Coll Cardiol · September 4, 2007
There are an estimated 500,000 ST-segment elevation myocardial infarction (STEMI) events in the U.S. annually. Despite improvements in care, up to one-third of patients presenting with STEMI within 12 h of symptom onset still receive no reperfusion therapy ...
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Journal ArticleCrit Pathw Cardiol · September 2007
Despite the clinical importance of prompt percutaneous coronary intervention for patients with ST-segment elevation myocardial infarction, many hospitals do not routinely achieve the guideline-recommended 90-minute door-to-balloon times. In this review, we ...
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Journal ArticleCirculation · August 7, 2007
BACKGROUND: In individuals without known cardiovascular disease, elevated body mass index (BMI) (weight/height2) is associated with an increased risk of death. However, in patients with certain specific chronic diseases, including heart failure, low BMI ha ...
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Journal ArticleAm J Cardiol · July 15, 2007
In the prospective, multinational Global Registry of Acute Coronary Events (GRACE), patients diagnosed with non-ST-elevation acute coronary syndromes had their admission electrocardiogram independently evaluated by a central core laboratory, and its interp ...
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Journal ArticleArch Intern Med · July 9, 2007
BACKGROUND: There is growing evidence for a clinical benefit of primary percutaneous coronary intervention (PCI) compared with fibrinolysis; however, whether the treatment effect is consistent among patients with diabetes mellitus is unclear. We compared P ...
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Journal ArticleJ Am Coll Cardiol · July 3, 2007
OBJECTIVES: The goal of this study was to identify potentially novel laboratory markers of risk in chronic heart failure patients. BACKGROUND: Although a variety of prognostic markers have been described in heart failure, a systematic assessment of routine ...
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Journal ArticleJ Electrocardiol · July 2007
BACKGROUND AND OBJECTIVES: Mortality from ST-segment elevation myocardial infarction remains high, with most deaths occurring before hospital admission. Despite effective pre- and in-hospital reperfusion strategies becoming standard over the past 2 decades ...
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Journal ArticleJ Electrocardiol · July 2007
BACKGROUND/PURPOSE: We tested the hypothesis that paramedic recognition of ST-elevation myocardial infarction (STEMI) and cardiologist activation of the cardiac catheterization laboratory without transmission of the electrocardiogram reduces door-to-balloo ...
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Journal ArticleCirculation · June 19, 2007
BACKGROUND: We wished to test previous hypotheses that sex-related differences in mortality and morbidity may be due to differences in the cause of heart failure or in left ventricular ejection fraction (LVEF) by comparing fatal and nonfatal outcomes in wo ...
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Journal ArticleScience · June 8, 2007
The global endemic of cardiovascular diseases calls for improved risk assessment and treatment. Here, we describe an association between myocardial infarction (MI) and a common sequence variant on chromosome 9p21. This study included a total of 4587 cases ...
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Journal ArticleAm Heart J · June 2007
OBJECTIVES: The purpose of this study is to evaluate hospital mortality and major bleeding rates among patients receiving low molecular weight heparin (LMWH), unfractionated heparin (UFH), or both, and to investigate whether concomitant glycoprotein (GP) I ...
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Journal ArticleJAMA · May 2, 2007
CONTEXT: Randomized trials provide robust evidence for the impact of pharmacological and interventional treatments in patients with ST-segment elevation and non-ST-segment elevation acute coronary syndromes (NSTE ACS), but whether this translates to change ...
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Journal ArticleEur Heart J · May 2007
Antithrombotic therapy and invasive risk stratification in selected high-risk patients have improved outcomes from non-ST-segment elevation acute coronary syndromes (NSTE-ACS), but carry a risk of bleeding and blood transfusion. Although the true incidence ...
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Journal ArticleAm Heart J · May 2007
This article reviews the progress in cell therapy for cardiovascular disease and examines the opportunities to accelerate the process to clinical application. It draws from a meeting of the National Heart, Lung, and Blood Institute Working Group on Transla ...
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Journal ArticleEur J Heart Fail · May 2007
BACKGROUND: Bundle branch block (BBB) is a powerful independent predictor of cardiovascular mortality in patients with heart failure (HF) and reduced left ventricular ejection fraction (LVEF). The prognostic implications in HF with preserved systolic funct ...
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Journal ArticleAm J Hum Genet · April 2007
A susceptibility locus for coronary artery disease (CAD) has been mapped to chromosome 3q13-21 in a linkage study of early-onset CAD. We completed an association-mapping study across the 1-LOD-unit-down supporting interval, using two independent white case ...
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Journal ArticleAm Heart J · April 2007
BACKGROUND: Current guidelines advise the use of risk stratification to determine which patients should receive more aggressive antithrombotic and invasive therapies. Our objective was to evaluate the relationship between risk stratification and therapeuti ...
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Journal ArticleAm J Cardiol · March 15, 2007
Older age is associated with worse outcomes in patients with cardiogenic shock complicating ST-elevation myocardial infarction (STEMI). However, significant heterogeneity exists in different age groups with respect to outcomes. Identification of factors th ...
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Journal ArticleEur Heart J · February 2007
AIMS: Multiple studies have focused on the relationship of body anthropometric measures with clinical events in ST-elevation myocardial infarction (STEMI) patients, highlighting the 'obesity paradox'. However, the relative prognostic importance of these me ...
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Journal ArticleJAMA · January 3, 2007
CONTEXT: Reperfusion with percutaneous transluminal coronary intervention (PCI) is effective at improving outcomes in patients with acute ST-elevation myocardial infarction (STEMI). However, in patients without prompt reestablishment of brisk coronary flow ...
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Journal ArticleHeart · January 2007
BACKGROUND: Electrocardiographic left ventricular hypertrophy (ECG LVH) is a powerful independent predictor of cardiovascular morbidity and mortality in hypertension. OBJECTIVE: To determine the contemporary prevalence and prognostic implications of ECG LV ...
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Journal ArticleEur J Heart Fail · January 2007
BACKGROUND: Limited comparative studies assessing the health-related quality of life (HRQL) in heart failure (HF) patients with preserved vs. low ejection fraction (LVEF) have been disparate. AIMS: The aims of this study were a) to characterize HRQL in a l ...
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Journal ArticleBMJ · November 25, 2006
OBJECTIVE: To develop a clinical risk prediction tool for estimating the cumulative six month risk of death and death or myocardial infarction to facilitate triage and management of patients with acute coronary syndrome. DESIGN: Prospective multinational o ...
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Journal ArticleCirc Res · November 10, 2006
Although measurement of troponin is widely used for diagnosing acute myocardial infarction (AMI), its diagnostic potential may be increased by a more complete characterization of its molecular appearance and degradation in the blood. The aim of this study ...
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Journal ArticleAnn Hum Genet · November 2006
Coronary artery disease (CAD) and dyslipidemia have strong genetic components. Heterogeneity complicates evaluating genetics of complex diseases such as CAD; incorporating disease-related phenotypes may help reduce heterogeneity. We hypothesized that incor ...
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Journal ArticleAm Heart J · November 2006
Despite the accumulation of almost 2 decades of data in support of rapid reperfusion therapy for ST-segment elevation myocardial infarction (STEMI), the United States healthcare system still faces serious challenges in providing reperfusion to all eligible ...
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Journal ArticleAm Heart J · October 2006
BACKGROUND: Elderly patients with acute myocardial infarction are at particularly high risk for death and bleeding complications. The efficacy and safety of antithrombotic strategies in these patients remain unclear. METHODS: To provide more insight into t ...
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Journal ArticleAm Heart J · October 2006
Recent developments have provided a unique opportunity for the organization of regional ST-elevation myocardial infarction (STEMI) receiving center (SRC) networks. Because cumulative evidence has demonstrated that rapid primary percutaneous coronary interv ...
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Journal ArticleAm Heart J · September 2006
BACKGROUND: Relating a disease state to an entire population of proteins provides an opportunity to gain new insights into a disease. METHODS: Male populations of 53 patients with angiographic coronary artery disease and 53 control subjects without coronar ...
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Journal ArticlePLoS Genet · August 25, 2006
The transcription factor GATA2 plays an essential role in the establishment and maintenance of adult hematopoiesis. It is expressed in hematopoietic stem cells, as well as the cells that make up the aortic vasculature, namely aortic endothelial cells and s ...
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Journal ArticlePLoS genetics · August 25, 2006
The transcription factor GATA2 plays an essential role in the establishment and maintenance of adult hematopoiesis. It is expressed in hematopoietic stem cells, as well as the cells that make up the aortic vasculature, namely aortic endothelial cells and s ...
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Journal ArticleAm Heart J · August 2006
BACKGROUND: Prior research suggests that patients may be entered into clinical trials with different electrocardiographic (ECG) findings than specified by study protocol criteria; the extent and impact of this variability in a large-scale trial have not be ...
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Journal ArticleAm Heart J · August 2006
BACKGROUND: Recent trials evaluating the C5 complement inhibitor, pexelizumab, have shown that modulation of inflammation during ischemia/reperfusion in patients with acute myocardial infarction (MI) or undergoing coronary artery bypass graft (CABG) surger ...
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Journal ArticleJ Am Coll Cardiol · August 1, 2006
With an increasing burden of cardiovascular disease and many promising novel treatments in development, the need for efficient systems to evaluate treatments has never been greater. To understand whether a treatment should be used in practice, we need to k ...
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Journal ArticleCirculation · July 4, 2006
BACKGROUND: The influence of an internal mammary artery (IMA) graft on long-term outcomes after percutaneous saphenous vein graft (SVG) intervention is currently unknown. METHODS AND RESULTS: To examine the impact of IMA on outcomes in patients undergoing ...
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Journal ArticleAm Heart J · July 2006
BACKGROUND: Atrial fibrillation (AF) is frequent in patients with chronic heart failure (CHF). Experimental and small patient studies have demonstrated that blocking the renin-angiotensin-aldosterone system may prevent AF. In the CHARM program, the effects ...
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Journal ArticleEur Heart J · June 2006
AIMS: More treatments are needed to improve clinical outcomes in chronic heart failure (HF). It is, however, important that treatments for a condition as common as HF are affordable. We have carried out a prospective economic analysis of the Candesartan in ...
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Journal ArticleEur Heart J · June 2006
AIMS: In acute myocardial infarction (AMI), baseline hyperglycaemia predicts adverse outcomes, but the relation between subsequent change in glucose levels and outcomes is unclear. We evaluated the prognostic significance of baseline glucose and the change ...
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Journal ArticleJ Am Coll Cardiol · May 16, 2006
OBJECTIVES: We assessed the risk of adverse cardiovascular (CV) outcomes associated with atrial fibrillation (AF) in the Candesartan in Heart failure-Assessment of Reduction in Mortality and morbidity (CHARM) program, which enrolled patients with chronic h ...
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Journal ArticleCMAJ · May 9, 2006
BACKGROUND: The optimal antithrombotic therapy to accompany tenecteplase in cases of acute ST-segment elevation myocardial infarction (STEMI) remains unclear. We undertook a prespecified pooled analysis of data from the ASSENT-3 and ASSENT-3 PLUS trials. M ...
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Journal ArticleAm Heart J · May 2006
BACKGROUND: Despite a survival benefit and guideline recommendation for beta-blockers in left ventricular systolic dysfunction, beta-blockers are underused in clinical practice. METHODS: Medical practices with > or = 15 patients with heart failure (HF) in ...
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Journal ArticleAm Heart J · May 2006
BACKGROUND: Whether an angiotensin receptor blocker is of benefit when added to a full dose of angiotensin-converting enzyme (ACE) inhibitor in heart failure (HF) is uncertain. METHODS: The effect of candesartan, compared with placebo, in 2548 patients ran ...
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Journal ArticleAmerican heart journal · May 1, 2006
BACKGROUND: Whether an angiotensin receptor blocker is of benefit when added to a full dose of angiotensin-converting enzyme (ACE) inhibitor in heart failure (HF) is uncertain. METHODS: The effect of candesartan, compared with placebo, in 2548 patients ran ...
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Journal ArticleN Engl J Med · April 6, 2006
BACKGROUND: The combined use of anticoagulants, antiplatelet agents, and invasive coronary procedures reduces ischemic coronary events but also increases bleeding in patients with acute coronary syndromes. We therefore assessed whether fondaparinux would p ...
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Journal ArticleJAMA · April 5, 2006
CONTEXT: Despite many therapeutic advances, mortality in patients with acute ST-segment elevation myocardial infarction (STEMI) remains high. The role of additional antithrombotic agents is unclear, especially among patients not receiving reperfusion thera ...
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Journal ArticleEur Heart J · April 2006
AIMS: Although outcomes after acute myocardial infarction (AMI) seemed to be superior with primary percutaneous coronary intervention (PPCI) relative to fibrinolysis (FL), the extent to which treatment delay modulates this treatment effect is unclear. METH ...
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Journal ArticleAm Heart J · April 2006
BACKGROUND: The COMplement inhibition in Myocardial infarction treated with Angioplasty (COMMA) trial previously demonstrated an unexpected dose-dependent reduction in 90-day mortality after bolus/infusion of pexelizumab despite no reduction in the primary ...
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Journal ArticleCan J Cardiol · April 2006
AIMS: While natriuretic peptides have demonstrated diagnostic and prognostic potential in cardiac disorders, little is known about their relationship with the onset and quantification of myocardial infarction. The relationship of serial N-terminal pro-brai ...
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Journal ArticleEur Heart J · March 2006
AIMS: To evaluate whether there is an association between 30-day mortality in patients with ST-segment elevation myocardial infarction (STEMI) included in clinical trials and country gross national income (GNI). METHODS AND RESULTS: A retrospective analysi ...
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Journal ArticleAm Heart J · March 2006
BACKGROUND: The impact and prognostic value of the redefinition of myocardial infarction (MI) with more sensitive markers have not been evaluated prospectively in a large, less selected population with acute coronary syndrome (ACS). METHODS: We evaluated t ...
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Journal ArticleEur J Heart Fail · March 2006
BACKGROUND: Abnormal large artery function and increased pulsatile load are exacerbated by excess angiotensin-II acting through the AT1 receptor and contribute to the pathogenesis and progression of chronic heart failure (CHF). AIMS: To evaluate effects of ...
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Journal ArticleJ Am Coll Cardiol · February 21, 2006
OBJECTIVES: The goal of this study was to determine the association between Thrombolysis In Myocardial Infarction (TIMI) and Global Use of Strategies to Open Occluded Coronary Arteries (GUSTO) bleeding and clinical outcomes. BACKGROUND: There are limited d ...
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Journal ArticleCirculation · February 21, 2006
BACKGROUND: We wished to determine the prevalence of, potential mechanistic associations of, and clinical outcomes related to anemia in patients with heart failure and a broad spectrum of left ventricular ejection fraction (LVEF). METHODS AND RESULTS: In m ...
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Journal ArticleLancet · February 18, 2006
BACKGROUND: Primary percutaneous coronary intervention (PCI) is more effective than fibrinolytic therapy for ST-segment elevation acute myocardial infarction (STEMI), but time to intervention can be considerable. Our aim was to investigate whether the admi ...
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Journal ArticleCirculation · February 7, 2006
BACKGROUND: Decreased renal function has been found to be an independent risk factor for cardiovascular outcomes in patients with chronic heart failure (CHF) with markedly reduced left ventricular ejection fraction (LVEF). The aim of this analysis was to e ...
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Journal ArticleAm Heart J · February 2006
BACKGROUND: Cardiac tamponade is a life-threatening complication of acute myocardial infarction (MI). Data on the incidence, risk factors, and outcome of tamponade in patients with acute MI in the fibrinolytic era are limited. METHODS: Data from a combined ...
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Journal ArticleEur Heart J · February 2006
AIMS: To demonstrate the feasibility and clinical utility of developing dynamic risk assessment models for ST-segment elevation myocardial infarction (STEMI) patients. METHODS AND RESULTS: In 6066 STEMI patients enrolled in the Assessment of the Safety and ...
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Journal ArticleAm Heart J · January 2006
BACKGROUND: The degree to which elevated creatine kinase (CK)-MB in the presence of normal CK is predictive of outcome is not well understood despite having been studied for decades. This analysis examined whether normal CK with elevated CK-MB in patients ...
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Journal ArticleAm Heart J · January 2006
BACKGROUND: Although geographic variation in the treatment of acute myocardial infarction (AMI) has been recognized, the impact of evidence-based international treatment guidelines on such variation is unclear. We sought to characterize resource use and co ...
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Journal ArticleAm J Med · January 2006
PURPOSE: Less is known about the differences in clinical and angiographic features and the outcomes of African Americans with ST-elevation myocardial infarction compared with whites with ST-elevation myocardial infarction. Accordingly, the current study ex ...
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Journal ArticleAm Heart J · January 2006
BACKGROUND: Left bundle branch block (LBBB) complicates the diagnosis of acute myocardial infarction (AMI). The Sgarbossa criteria were developed from GUSTO I to surmount this diagnostic challenge but have not been prospectively validated in a large popula ...
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Journal ArticleEur Heart J · January 2006
AIMS: We aimed to develop prognostic models for patients with chronic heart failure (CHF). METHODS AND RESULTS: We evaluated data from 7599 patients in the CHARM programme with CHF with and without left ventricular systolic dysfunction. Multi-variable Cox ...
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Journal ArticleCirculation · December 13, 2005
BACKGROUND: Left ventricular function is a principal determinant of cardiovascular risk in patients with heart failure. The growing number of patients with preserved systolic function heart failure underscores the importance of understanding the relationsh ...
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Journal ArticleLancet · December 10, 2005
BACKGROUND: Chronic heart failure (CHF) is an important cause of hospital admission and death. Poor adherence to medication is common in some chronic illnesses and might reduce the population effectiveness of proven treatments. Because little is known abou ...
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Journal ArticleAm J Cardiol · November 1, 2005
Bleeding is a complication of current therapies for acute coronary syndrome (ACS). No studies have examined the effect of bleeding events on clinical outcomes. We analyzed pooled data from 4 multicenter, randomized clinical trials of patients who had ACS ( ...
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Journal ArticleEur Heart J · November 2005
AIMS: We evaluated the effect of direct thrombin inhibitors (DTIs) in patients undergoing early percutaneous coronary intervention (PCI), using the DTI Trialists' Collaboration database of 35,970 patients from 11 randomized trials of DTIs vs. heparin. METH ...
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Journal ArticleHeart · November 2005
OBJECTIVES: To assess the impact of variation in prehospital care across distinct health care environments in ASSENT (assessment of the safety and efficacy of a new thrombolytic) -3 PLUS, a large (n = 1639) contemporary multicentred international trial of ...
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Journal ArticleJAMA · October 12, 2005
CONTEXT: Angiotensin-converting enzyme (ACE) inhibitors reduce the risk of myocardial infarction (MI), but it is not known whether angiotensin receptor blockers have the same effect. OBJECTIVE: To assess the impact of the angiotensin receptor blocker cande ...
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Journal ArticleAm Heart J · October 2005
BACKGROUND: Noninvasive methods are needed to evaluate reperfusion success in patients with acute myocardial infarction (MI). The AMISTAD trial was analyzed to compare MI size and myocardial salvage determined by electrocardiogram (ECG) with technetium Tc ...
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Journal ArticleEur Heart J · October 2005
AIMS: We sought to determine whether the extent of myocardial ischaemia on the admission electrocardiogram (ECG) has independent predictive value for short-term risk stratification of patients with non-ST-segment elevation acute coronary syndromes (NSTE AC ...
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Journal ArticleAm J Cardiol · October 1, 2005
In the prospective, multicenter Canadian Acute Coronary Syndromes Registry, in-hospital revascularization was independently associated with better 1-year survival only among patients with high-risk non-ST-elevation acute coronary syndromes stratified by th ...
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Journal ArticleAm J Cardiol · October 1, 2005
Few data exist on the use of aggressive combination therapy with thienopyridines and glycoprotein IIb/IIIa inhibitors in higher risk patients with an acute coronary syndrome (ACS). The aim of this study was to characterize the combined use of these agents ...
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Journal ArticleEur Heart J · October 2005
AIMS: Pexelizumab, a monoclonal antibody inhibiting C5, reduced 90 day mortality and shock in the COMplement inhibition in Myocardial infarction treated with Angioplasty (COMMA) trial without apparent reductions in infarct size. Inflammation is a critical ...
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Journal ArticleAm J Med · August 2005
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PURPOSE: To identify patient and health care factors which are related to the use of medical treatments that comprise quality measures and to assess the relation of these measures with mortality. METHODS: The study sample consisted of 20 140 patients with ...
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Journal ArticleEur Heart J · August 2005
AIMS: To evaluate the relationship between activated partial thromboplastin time (aPTT) and clinical outcomes in the Global Use of Strategies to Open Occluded Coronary Arteries (GUSTO-V) trial comparing standard-dose reteplase to half-dose reteplase and ab ...
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Journal ArticleJ Am Coll Cardiol · July 5, 2005
OBJECTIVES: The purpose of this research was to examine the prognostic value of ST-segment changes (concordant ST-segment elevation and/or precordial V1 to V3 ST-segment depression) during presumed-new left bundle branch block (LBBB) in patients receiving ...
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Journal ArticleCirculation · July 5, 2005
BACKGROUND: Diabetes is a risk factor for heart failure, and both conditions are increasing. Identifying treatments that prevent both conditions will be clinically important. We previously reported that candesartan (an angiotensin receptor blocker) reduces ...
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Journal ArticleHeart · July 2005
OBJECTIVES: To examine the interaction between ST segment depression on the baseline ECG and subsequent in-hospital revascularisation on six month mortality among patients with non-ST elevation acute coronary syndromes. To examine whether ST segment depres ...
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Journal ArticleAm Heart J · July 2005
BACKGROUND: Facilitated percutaneous coronary intervention (PCI)--simultaneous administration of glycoprotein IIb/IIIa inhibitors and reduced-dose fibrinolytics before primary PCI for ST-segment elevation myocardial infarction (STEMI)--may be a promising r ...
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Journal ArticleAm J Cardiol · June 1, 2005
Data were evaluated for patients with acute ST-elevation myocardial infarction (n = 94,182) enrolled in 6 large clinical trials evaluating the efficacy of various reperfusion strategies. It was found that compared with the tallest quartile, incidences of i ...
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Journal ArticleEur J Heart Fail · June 2005
AIMS: To evaluate the effect of the angiotensin receptor blocker candesartan on patients' perception of symptoms, using the McMaster Overall treatment evaluation (OTE), in a broad spectrum of patients with chronic heart failure (CHF). METHODS AND RESULTS: ...
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Journal ArticleAm J Med · May 2005
PURPOSE: To correlate pulmonary artery catheterization (PAC) use and 30-day outcomes and to characterize the use of pulmonary artery catheters among patients with acute coronary syndromes (ACS). SUBJECTS AND METHODS: We retrospectively studied 26437 ACS pa ...
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Journal ArticleJAMA · April 13, 2005
CONTEXT: Incorrect dosing of alteplase has been associated with worse clinical outcomes in patients. However, patients at high risk of adverse events are more prone to dosing errors, thus confounding this relationship. OBJECTIVE: To determine if the associ ...
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Journal ArticleAm Heart J · April 2005
BACKGROUND: In the fibrinolytic era, several studies have suggested that the rate of atrioventricular block (AVB) in the setting of acute myocardial infarction (MI) is high and is associated with increased short-term mortality. We sought to delineate predi ...
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Journal ArticleAm Heart J · April 2005
BACKGROUND: The ASSENT-3 study examined the safety and efficacy of 3 alternative regimens for ST-elevation acute myocardial infarction: full-dose tenecteplase (TNK-tPA) plus enoxaparin; half-dose TNK-tPA plus unfractionated heparin plus abciximab; and full ...
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Journal ArticleCirculation · March 22, 2005
BACKGROUND: Factor Xa plays a central role in the generation of thrombin, making it a novel target for treatment of arterial thrombosis. Fondaparinux is a synthetic factor Xa inhibitor that has been shown to be superior to standard therapies for the preven ...
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Journal ArticleDrugs Today (Barc) · March 2005
Despite significant advances in the study of myocardial reperfusion, patients with epicardial coronary reperfusion still have adverse clinical outcomes. This is in part due to an inflammatory reaction in the injured tissue. Inflamed myocardial tissue after ...
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Journal ArticleAm J Cardiol · March 1, 2005
White blood cell (WBC) count and temperature are 2 global measures of inflammation that are systematically gathered and easily identifiable in a clinical setting, unlike many other markers of inflammation being investigated in patients with coronary artery ...
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Journal ArticleJ Am Coll Cardiol · February 15, 2005
The optimal reperfusion strategy in elderly patients with ST-segment elevation myocardial infarction (STEMI) remains a topic of debate. This lack of consensus stems from the exclusion or under-representation of the elderly in clinical trials. This review e ...
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Journal ArticleJ Thromb Thrombolysis · February 2005
BACKGROUND: Heparin-induced thrombocytopenia (HIT) is estimated to occur in 1-5% of all patients receiving heparin, and 25-50% of such cases develop heparin-induced thrombocytopenia with thrombosis (HITT) A conservative estimate based only on cardiovascula ...
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Chapter · January 1, 2005
The treatment of acute coronary syndromes (ACS) and percutaneous coronary intervention (PCI) encompasses a wide spectrum of pharmacological strategies ranging from clot lysis in ST segment elevation myocardial infarctions to inhibitors of the coagulation c ...
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Journal ArticleEur Heart J · January 2005
AIMS: We sought to characterize the outcomes of patients with a prior percutaneous coronary intervention (PCI) who presented with a non-ST-segment elevation acute coronary syndrome (ACS). METHODS AND RESULTS: We analysed the 30 and 180 day outcomes of 3012 ...
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ConferenceBlood · November 16, 2004
AbstractBackground : Thrombocytopenia in the patient on heparin can have various etiologies, including benign reversible causes and serious, potentially life-threatening ones, such as heparin induced thrombo ...
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Journal ArticleAm Heart J · November 2004
BACKGROUND: Current methods for risk stratification after acute myocardial infarction (MI) include several noninvasive studies. In this cost-containment era, the development of low-cost means should be encouraged. We assessed the ability of an electrocardi ...
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Journal ArticleEur Heart J · November 2004
AIMS: To evaluate the effect of the angiotensin receptor blocker candesartan on New York Heart Association (NYHA) functional class in a broad spectrum of patients with chronic heart failure (CHF). METHODS AND RESULTS: Patients in the CHARM Programme with s ...
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Journal ArticleCirculation · October 26, 2004
BACKGROUND: Patients with symptomatic chronic heart failure (CHF) and reduced left ventricular ejection fraction (LVEF) have a high risk of death and hospitalization for CHF deterioration despite therapies with angiotensin-converting enzyme (ACE) inhibitor ...
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Journal ArticleCirculation · October 12, 2004
BACKGROUND: Patients with heart failure are at increased risk of sudden death and death attributed to progressive pump failure. We assessed the effect of candesartan on cause-specific mortality in patients enrolled in the Candesartan in Heart failure Asses ...
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Journal ArticleJAMA · October 6, 2004
CONTEXT: It is unclear if blood transfusion in anemic patients with acute coronary syndromes is associated with improved survival. OBJECTIVE: To determine the association between blood transfusion and mortality among patients with acute coronary syndromes ...
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Journal ArticleCirculation · September 28, 2004
BACKGROUND: In a previous substudy of the GUSTO-I trial, we observed better functional and quality-of-life outcomes among patients in the United States (US patients) compared with patients in Canada. Rates of invasive therapy were significantly higher in t ...
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Journal ArticleAm J Hum Genet · September 2004
A family history of coronary artery disease (CAD), especially when the disease occurs at a young age, is a potent risk factor for CAD. DNA collection in families in which two or more siblings are affected at an early age allows identification of genetic fa ...
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Journal ArticleAm J Cardiol · August 1, 2004
We investigated the effect of smaller dose, weight-adjusted heparin with earlier monitoring of activated partial thromboplastin time on the incidence of ischemic and hemorrhagic complications in patients with ST-elevation myocardial infarction treated with ...
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Journal ArticleAm J Med · July 15, 2004
PURPOSE: To determine the rates of patient adherence to key evidence-based therapies at 6 months after hospital discharge for an acute coronary syndrome. METHODS: In this nonrandomized, prospective, multinational, multicenter study, adherence to aspirin, b ...
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Journal ArticleJ Am Coll Cardiol · July 7, 2004
OBJECTIVES: The investigators undertook a systematic, comprehensive analysis of the therapeutic response and clinical outcomes of reperfusion therapy for acute ST-segment elevation myocardial infarction (STEMI) in 5,470 patients from the Assessment of the ...
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Journal ArticleAm Heart J · July 2004
BACKGROUND: Risk assessment in patients with non-ST-elevation acute coronary syndromes (NSTE-ACS) traditionally focuses on and is limited to admission findings. The objective of the current study was to develop an approach to predicting outcome in NSTE-ACS ...
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Journal ArticleJ Am Coll Cardiol · June 16, 2004
The focus for the initial approach to the treatment of acute ST-segment elevation myocardial infarction (STEMI) has shifted toward extending the benefits of mechanical reperfusion with primary percutaneous coronary intervention (PCI) to patients who presen ...
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Journal ArticleJAMA · June 9, 2004
CONTEXT: Accurate estimation of risk for untoward outcomes after patients have been hospitalized for an acute coronary syndrome (ACS) may help clinicians guide the type and intensity of therapy. OBJECTIVE: To develop a simple decision tool for bedside risk ...
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Journal ArticleAm Heart J · June 2004
BACKGROUND: In the ASsessment of the Safety of a New Thrombolytic 3 (ASSENT-3) study, full-dose tenecteplase plus enoxaparin or half-dose tenecteplase plus abciximab reduced the frequency of ischemic complications of acute myocardial infarction, when compa ...
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Journal ArticleCan J Cardiol · June 2004
BACKGROUND: Comparing American and Canadian practice patterns and outcomes offers a natural experiment to examine the relative benefits of aggressive versus conservative management of coronary artery disease. In a prospective substudy of the Global Use of ...
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Journal ArticleAnn Intern Med · June 1, 2004
BACKGROUND: Statins administered early in patients with acute coronary syndromes may lead to modest reductions in recurrent ischemic events. OBJECTIVE: To examine the association between previous and early in-hospital statin therapy and the presentation an ...
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Journal ArticleCirculation · April 13, 2004
The National Heart, Lung, and Blood Institute (NHLBI) Clinical Proteomics Working Group was charged with identifying opportunities and challenges in clinical proteomics and using these as a basis for recommendations aimed at directly improving patient care ...
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Journal ArticleAm J Cardiol · February 15, 2004
Of 592 patients in the Global Utilization of Streptokinase and tPA for Occluded Arteries-I trial who had a stroke during initial hospitalization, the risk for intracranial hemorrhage was significantly greater in those with recent facial or head trauma (odd ...
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Journal ArticleLancet · February 14, 2004
BACKGROUND: Early discharge of low-risk patients with acute myocardial infarction is feasible and can be achieved at no additional risk of adverse events. We aimed to identify the extent to which countries have taken advantage of the opportunity for early ...
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Journal ArticleAm Heart J · February 2004
BACKGROUND: Diabetes is associated with an increased risk for coronary artery disease (CAD) and its complications. The relative effect of glucose-lowering strategies of "insulin provision" versus "insulin sensitization" among patients with CAD remains uncl ...
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Journal ArticleEur Heart J · February 2004
AIM: To study the relationship between outcomes and peak creatine kinase (CK)-MB levels after percutaneous coronary intervention (PCI) in patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS). METHODS AND RESULTS: Peak CK-MB ratios (pe ...
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Journal ArticleAm J Med · January 15, 2004
Non-ST-segment elevation acute coronary syndromes are a dramatic manifestation of coronary artery disease. Multiple clinical trials have shown that early cardiac catheterization improves clinical outcomes in patients with non-ST-segment elevation acute cor ...
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Journal ArticleRev Cardiovasc Med · 2004
Coronary heart disease is the number one cause of death in the world and acute coronary syndromes (ACS) continue to be associated with high rates of morbidity. ACS refers to the spectrum of acute myocardial ischemia, including unstable angina, ST segment e ...
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Journal ArticleEur Heart J · December 2003
AIMS: We sought to evaluate international patterns of use and factors influencing use of evidence-based medications early after ACS. METHODS AND RESULTS: Using a database of 15904 ACS patients enrolled in the SYMPHONY and 2nd SYMPHONY trials in 37 countrie ...
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Journal ArticleAm Heart J · December 2003
The therapeutic approach to patients with acute ST-segment elevation myocardial infarction (STEMI) has advanced rapidly over the past decade. Intravenous fibrinolytic therapy remains the most common form of reperfusion therapy worldwide, since fibrinolytic ...
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Journal ArticleAm J Cardiol · November 1, 2003
Preexisting or new-onset atrial fibrillation (AF) commonly occurs in patients with an acute coronary syndrome (ACS). However, it is currently unknown if previous or new-onset AF confers different risks in these patients. To determine the prognostic signifi ...
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Journal ArticleArch Intern Med · October 27, 2003
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BACKGROUND: Management of acute coronary syndromes (ACS) should be guided by an estimate of patient risk. OBJECTIVE: To develop a simple model to assess the risk for in-hospital mortality for the entire spectrum of ACS treated in general clinical practice. ...
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Journal ArticleAm Heart J · October 2003
BACKGROUND: Both ST resolution and Q-wave development postfibrinolysis provide important prognostic insights in patients with acute myocardial infarction (MI). However, the relative contributions of these 2 factors to risk assessment have not been examined ...
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Journal ArticleJ Am Coll Cardiol · October 1, 2003
OBJECTIVES: The aim of this study was to evaluate percutaneous coronary intervention (PCI) in the Assessment of the Safety and Efficacy of New Thrombolytic Regimens (ASSENT-3) trial. BACKGROUND: In the ASSENT-3 trial, co-therapy with abciximab (ABC) or eno ...
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Journal ArticleCirculation · September 9, 2003
BACKGROUND: Complement activation mediates myocardial damage that occurs during ischemia and reperfusion through multiple pathways. We performed 2 separate, parallel, double-blind, placebo-controlled trials to determine the effects of pexelizumab (a novel ...
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Journal ArticleCirculation · September 9, 2003
BACKGROUND: Complement, activated during myocardial ischemia and reperfusion, causes myocardial damage through multiple processes. The COMplement inhibition in Myocardial infarction treated with Angioplasty (COMMA) trial was performed to determine the effe ...
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Journal ArticleLancet · September 6, 2003
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BACKGROUND: Angiotensin-converting-enzyme (ACE) inhibitors improve outcome of patients with chronic heart failure (CHF). A substantial proportion of patients, however, experience no benefit from ACE inhibitors because of previous intolerance. We aimed to f ...
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Journal ArticleLancet · September 6, 2003
BACKGROUND: Patients with chronic heart failure (CHF) are at high risk of cardiovascular death and recurrent hospital admissions. We aimed to find out whether the use of an angiotensin-receptor blocker could reduce mortality and morbidity. METHODS: In para ...
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Journal ArticleLancet · September 6, 2003
BACKGROUND: Angiotensin II type 1 receptor blockers have favourable effects on haemodynamic measurements, neurohumoral activity, and left-ventricular remodelling when added to angiotensin-converting-enzyme (ACE) inhibitors in patients with chronic heart fa ...
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Journal ArticleLancet · September 6, 2003
BACKGROUND: Half of patients with chronic heart failure (CHF) have preserved left-ventricular ejection fraction (LVEF), but few treatments have specifically been assessed in such patients. In previous studies of patients with CHF and low LVEF or vascular d ...
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Journal ArticleEur Heart J · September 2003
BACKGROUND: Revascularization rates vary substantially between countries in patients with acute ST-elevation myocardial infarction (STEMI). The impact of early revascularization on clinical outcomes in such patients remains uncertain. The ASSENT-2 fibrinol ...
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Journal ArticleEur Heart J · August 2003
AIMS: The extent to which hospital and geographic characteristics influence the time course of uptake of evidence from key clinical trials and practice guidelines is unknown. The gap between evidence and practice is well recognized but the factors influenc ...
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Journal ArticleEur Heart J · August 2003
AIMS: ASSENT 3 (Assessment of the Safety and Efficacy of a New Thrombolytic) demonstrated that the bolus fibrinolytic tenecteplase (TNK), combined with enoxaparin (ENOX) or abciximab (ABCX), substantially reduced ischemic complications of acute myocardial ...
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Journal ArticleCirculation · July 15, 2003
BACKGROUND: The combination of a single-bolus fibrinolytic and a low-molecular-weight heparin may facilitate prehospital reperfusion and further improve clinical outcome in patients with ST-elevation myocardial infarction. METHODS AND RESULTS: In the preho ...
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Journal ArticleEur J Heart Fail · June 2003
AIMS: To describe the clinical characteristics and contemporary treatment of a broad spectrum of patients with chronic heart failure (CHF) randomised in the Candesartan in Heart failure-Assessment of Reduction in Mortality and morbidity (CHARM) programme, ...
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Journal ArticleEur Heart J · June 2003
AIMS: To assess gender differences in patients with early reinfarction after fibrinolysis for acute myocardial infarction (AMI) and the impact of these differences on treatment and outcomes. METHODS AND RESULTS: We studied 3.7% of men (n=481) and 4.8% of w ...
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Journal ArticleEur Heart J · May 2003
BACKGROUND: Current thrombolytic-antithrombotic regimens in acute myocardialinfarction (AMI) are limited by incomplete early coronary reperfusion and by reocclusion and reinfarction. We compared the effects of low molecular weight heparin (LMWH) versus unf ...
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Journal ArticleAm J Cardiol · April 15, 2003
The risk of death or recurrent myocardial infarction (MI) in patients with chest pain and baseline isolated troponin elevation is unclear. To determine the early and short-term risk of death or MI associated with isolated troponin elevation across a spectr ...
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Journal ArticleAm Heart J · April 2003
BACKGROUND: Platelets play a pivotal role in the pathogenesis of acute myocardial infarction, as well as in the occurrence of coronary artery reocclusion and bleeding events. Therefore, the success of fibrinolytic therapy may be dependent on its direct eff ...
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Journal ArticleAm Heart J · April 2003
BACKGROUND: Coronary artery disease (CAD) is the leading cause of death and a leading cause of disability in the developed world. Early onset (premature) coronary artery disease (EOCAD) is known to have a particularly strong genetic component. However, the ...
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Journal ArticleCan J Cardiol · March 15, 2003
OBJECTIVES: To investigate the impact of on-site cardiac interventional facilities on the management and outcome of patients with versus those without ST elevation acute coronary syndromes (ACS) in the Canadian-American Global Use of Strategies to Open Occ ...
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Journal ArticleAm Heart J · March 2003
BACKGROUND: In many patients, ventricular arrhythmias will develop early after acute myocardial infarction. We studied the incidence, timing, and outcomes of such arrhythmias in the international Global Utilization of Streptokinase and TPA (alteplase) for ...
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Journal ArticleAm Heart J · February 2003
BACKGROUND: Improved patient selection may optimize the efficiency of cardiac catheterization in both high- and low-rate regions. The purpose of this study was to develop and validate a clinical model for predicting high-risk coronary artery disease (CAD) ...
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Journal ArticleAm Heart J · January 2003
BACKGROUND: There is a paucity of data on the incidence of mild-to-moderate heart failure (HF) complicating ST-segment elevation acute myocardial infarction (MI) and its impact on short-term outcomes. Our objective was to determine the incidence, timing, a ...
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Journal ArticleAm Heart J · January 2003
BACKGROUND: Overviews of trials suggest that percutaneous transluminal coronary angioplasty (PTCA) may be more effective than thrombolysis. However, whether these effects are sustained beyond hospital discharge, and the extent to which the results are appl ...
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Journal ArticleJ Thromb Thrombolysis · October 2002
CONTEXT: Unfractionated heparin remains widely utilized in the treatment of acute coronary syndromes (ACS). However, limited data exist on optimal dosing and range of activated partial thromboplastin time (aPTT) in this setting. A large trial of thrombolys ...
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Journal ArticleJ Am Coll Cardiol · September 18, 2002
OBJECTIVES: This study evaluated clinical outcomes in patients with acute myocardial infarction (MI) treated with fibrinolytic therapy in hospitals with and without coronary revascularization capability. BACKGROUND: Patients with MI may have better outcome ...
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Journal ArticleCirculation · August 20, 2002
BACKGROUND: Outcomes in patients with mild to moderate renal function (RF) abnormalities presenting with acute coronary syndromes (ACS) are not well defined. METHODS AND RESULTS: A convenience sample of 4 ACS trial databases including all enrolled patients ...
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Journal ArticleAm J Cardiol · August 1, 2002
The definition of acute myocardial infarction (AMI) is increasingly dependent on levels of biochemical markers, including troponin. We aimed to determine the levels of biochemical markers associated with definite evolutionary electrocardiographic (ECG) cha ...
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Journal ArticleEur Heart J · August 2002
AIMS: We compared the effects of hirudin and heparin on thrombin generation and activity among 350 patients with acute coronary syndromes enrolled in the GUSTO-IIb trial. METHODS AND RESULTS: We obtained blood at baseline; at 4, 8, and 24h into infusion; a ...
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Journal ArticleJ Thromb Thrombolysis · August 2002
BACKGROUND: Intravenous unfractionated heparin remains a cornerstone of anticoagulation therapy for patients with acute coronary syndromes, but regulation to a target aPTT is challenging. We assessed unfractionated heparin infusion regulation by bedside, w ...
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Journal ArticleCirculation · July 16, 2002
BACKGROUND: The prognosis of ventricular arrhythmias among patients with non-ST-elevation acute coronary syndromes is unknown. We studied the incidence, predictors, and outcomes of sustained ventricular arrhythmias in 4 large randomized trials of such pati ...
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Journal ArticleAm Heart J · July 2002
BACKGROUND: This study analyzed relationships among heparin dosage, patient characteristics, and 30-day outcome because optimal unfractionated-heparin dosing in acute coronary syndromes remains uncertain. METHODS: Patients (n = 5335) randomized to heparin ...
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Journal ArticleAm J Med · June 1, 2002
PURPOSE: Despite the success of intravenous glycoprotein IIb/IIIa antagonists, oral formulations have failed to show benefit and have been associated with increased mortality. To understand these findings, we performed a meta-analysis of results from four ...
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Journal ArticleEur Heart J · April 2002
AIMS: We examined the clinical characteristics and outcome of patients with early (<2 h), intermediate (2-4 h) and late (>4 h) presentation treated by primary angioplasty or thrombolytic therapy for acute myocardial infarction. METHODS AND RESULTS: We stud ...
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Journal ArticleAm J Cardiol · April 1, 2002
Our primary study aim was to examine extent of, and factors associated with, delay in seeking medical care in a large multinational registry of patients with acute myocardial infarction (AMI) and unstable angina pectoris. A secondary goal was to examine th ...
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Journal ArticleAm Heart J · February 2002
BACKGROUND AND RESULTS: Acute coronary syndromes (unstable angina and acute myocardial infarction) are generally caused by thrombosis over a disrupted atherosclerotic plaque. During the acute phase, antithrombotic therapy (including aspirin and heparin) ha ...
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Journal ArticleLancet · January 26, 2002
BACKGROUND: To obtain more reliable and precise estimates of the effect of direct thrombin inhibitors in the management of acute coronary syndromes, including patients undergoing percutaneous coronary intervention, we undertook a meta-analysis based on ind ...
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Journal ArticleJ Am Coll Cardiol · January 2, 2002
OBJECTIVES: The study investigated the relationship among creatine kinase (CK) elevations, clinical characteristics and cardiac events across the whole spectrum of acute coronary syndromes (ACS). BACKGROUND: Elevated serum levels of cardiac enzymes have be ...
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Journal ArticleCardiology · 2002
We assessed the relation between baseline electrocardiographic ischemia grades and initial myocardial area at risk (AR) and final infarct size (IS) in 49 patients who had undergone (99m)Tc sestamibi single-photon emission computed tomography before and 6 + ...
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Journal ArticleCirculation · December 4, 2001
Background- A reactivation of ischemia after the discontinuation of intravenous heparin in acute coronary syndromes has been described. The effect of glycoprotein IIb/IIIa blockade on heparin rebound is unknown. Methods and Results- Patients with acute cor ...
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Journal ArticleEur Heart J · December 2001
BACKGROUND: Fibrinolytic therapy increases the risk of bleeding events. TNK-tPA (tenecteplase) is a variant of rt-PA with greater fibrin specificity and reduced plasma clearance that can be given as a single bolus. We compared the incidence and predictors ...
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Journal ArticleAm J Cardiol · December 1, 2001
The results of the ASsessment of Safety and Efficacy of a New Thrombolytic agent (ASSENT-2) trial revealed that tenecteplase (TNK) is equivalent to tissue plasminogen activator (t-PA) for treating myocardial infarction. Because careful consideration of saf ...
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Journal ArticleHeartdrug · December 1, 2001
Fibrinolytic therapy is the established treatment for the management of patients with ST elevation acute myocardial infarction (AMI). Present thrombolytic regimens have a number of limitations, including the failure to produce early and sustained reperfusi ...
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Journal ArticleLancet · December 1, 2001
BACKGROUND: The combination of fibrinolytic therapy and heparin for acute myocardial infarction fails to achieve reperfusion in 40-70% of patients, and early reocclusion occurs in a substantial number. We did a randomised, open-label trial to compare the t ...
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Journal ArticleJ Thromb Thrombolysis · December 2001
BACKGROUND AND METHODS: Because time to presentation to the hospital affects time to treatment and is known to be important in acute myocardial infarction, we evaluated this variable in patients with unstable angina/non-ST segment elevation myocardial infa ...
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Journal ArticleCirculation · November 27, 2001
BACKGROUND: Early ST resolution after reperfusion is a prognostic indicator in acute myocardial infarction. Little information exists regarding the prognostic utility of ST resolution beyond 4 hours after fibrinolysis. Furthermore, the relation between tim ...
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Journal ArticleAm J Cardiol · October 15, 2001
We investigated the impact of primary angioplasty compared with thrombolysis in 894 patients with ST elevation acute myocardial infarction and electrocardiographic grades II and III ischemia on enrollment. Patients were divided into 2 groups based on the e ...
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Journal ArticleCirculation · September 11, 2001
BACKGROUND: Trials report a 2% to 6% incidence of reinfarction after fibrinolysis for acute myocardial infarction (MI). We combined the Global Utilization of Streptokinase and Tissue plasminogen activator (alteplase) for Occluded coronary arteries (GUSTO I ...
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Journal ArticleLancet · August 25, 2001
BACKGROUND: Current fibrinolytic therapies fail to achieve optimum reperfusion in many patients. Low-molecular-weight heparins and platelet glycoprotein IIb/IIIa inhibitors have shown the potential to improve pharmacological reperfusion therapy. We did a r ...
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Journal ArticleCurr Control Trials Cardiovasc Med · July 17, 2001
BACKGROUND: Clinical events committees (CEC) are used routinely to adjudicate suspected end-points in cardiovascular trials, but little information has been published about the various processes used. We reviewed results of the CEC process used to identify ...
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Journal ArticleCurr Control Trials Cardiovasc Med · July 17, 2001
BACKGROUND: Limited information has been published regarding how specific processes for event adjudication can affect event rates in trials. We reviewed nonfatal myocardial infarctions (MIs) reported by site investigators in the international Platelet Glyc ...
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Journal ArticleJ Am Coll Cardiol · July 2001
OBJECTIVES: Our objectives were to develop a risk-stratification model addressing the importance of the magnitude and distribution of ST segment depression in predicting long-term outcomes and to validate the model in an analogous patient population. BACKG ...
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Journal ArticleAm Heart J · June 2001
BACKGROUND: The grade of ischemia, as detected by the relation between the QRS complex and ST segment on the admission electrocardiogram, is associated with larger infarct size and increased mortality rates in acute myocardial infarction. METHODS: We asses ...
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Journal ArticleJ Am Coll Cardiol · March 15, 2001
OBJECTIVES: We sought to determine the incidence of and risk factors for thrombotic events early after discontinuing antithrombin therapy in patients with acute coronary syndromes. BACKGROUND: Discontinuation of treatment with heparin and other thrombin in ...
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Journal ArticleCirculation · February 20, 2001
BACKGROUND: Early reinfarction after thrombolytic therapy is associated with adverse outcomes and increased mortality. Among patients with reinfarction in the 1992 Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary A ...
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Journal ArticleAm Heart J · February 2001
BACKGROUND: Acute coronary syndromes (ACS), including the spectrum of conditions from unstable angina to ST segment elevation myocardial infarction, represent a major cause of morbidity and mortality throughout the world. GRACE (the Global Registry of Acut ...
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Journal ArticleJ Am Coll Cardiol · January 2001
Successful reperfusion after acute myocardial infarction (MI) has traditionally been considered to be restoration of epicardial patency, but increasing evidence suggests that disordered microvascular function and inadequate myocardial tissue perfusion are ...
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Journal ArticleAnn Noninvasive Electrocardiol · January 2001
The recent evolution in therapeutic options for acute coronary syndromes (ACS) mandates early risk stratification in order to select the appropriate treatment strategy for individual patients. Simple clinical data derived from the patient's medical history ...
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Journal ArticleCardiology · 2001
Fibrinolytic therapy is the established treatment for the management of patients with ST elevation acute myocardial infarction (AMI). Present fibrinolytic regimens have a number of shortcomings, including the failure to produce early and sustained reperfus ...
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Journal ArticleMd Med · 2001
Quantitative (or semiquantitative) risk stratification is becoming a more accurate and feasible way to define both overall risk and likelihood of benefit from more potent and invasive therapies. LMWH appears to be at least as good, and likely modestly bett ...
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Journal ArticleAm J Cardiol · December 28, 2000
An abundance of evidence is available from large, randomized clinical trials supporting the efficacy of therapies for the management of patients with acute coronary syndromes. For ST-segment elevation myocardial infarction (MI), a variety of databases can ...
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Journal ArticleCanadian Journal of Cardiology · December 12, 2000
Background: Temporal changes in baseline characteristics, treatment and clinical outcomes of patients presenting with acute ST elevation myocardial infarction in Canada and the United States have not been examined comprehensively over time. Objectives: To ...
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Journal ArticleEur Heart J · November 2000
AIMS: We examined the characteristics, outcomes, and effects of hirudin vs heparin treatment of diabetic patients across the spectrum of acute coronary syndromes. METHODS AND RESULTS: We studied the 12,142 patients enrolled in the randomized GUSTO-IIb stud ...
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Journal ArticleAm J Cardiol · October 15, 2000
It is unknown whether the risk factors associated with the development of ventricular septal defect (VSD) after acute myocardial infarction (MI) remain the same when thrombolytic therapy is used, nor have specific electrocardiographic patterns of acute MI ...
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Journal ArticleCan J Cardiol · October 2000
BACKGROUND: Temporal changes in baseline characteristics, treatment and clinical outcomes of patients presenting with acute ST elevation myocardial infarction in Canada and the United States have not been examined comprehensively over time. OBJECTIVES: To ...
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Journal ArticleCirculation · September 19, 2000
BACKGROUND: Little information exists concerning practice patterns between Canada and the United States in the management of myocardial infarction (MI) patients without ST-segment elevation and unstable angina. METHODS AND RESULTS: We examined the practice ...
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Journal ArticleAm J Cardiol · July 1, 2000
Previous reports indicate that patients who do not develop Q waves after thrombolytic therapy are a different population with a better long-term survival than those who do develop Q waves. However, the use of resources, quality of life, and health status o ...
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Journal ArticleJ Am Coll Cardiol · May 2000
OBJECTIVES: We sought to compare the efficacy of primary angioplasty in diabetics versus nondiabetics and to evaluate the relative benefits of angioplasty over thrombolytic therapy among diabetics. BACKGROUND: Primary angioplasty for myocardial infarction ...
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Journal ArticleAm Heart J · April 2000
BACKGROUND: Many patients with congestive heart failure do not receive the benefits of angiotensin-converting enzyme (ACE) inhibitors because of intolerance. We sought to determine the tolerability of an angiotensin II receptor blocker, candesartan cilexet ...
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Journal ArticleAm J Cardiol · March 15, 2000
The clinical impact of contrast medium selection during primary percutaneous transluminal coronary angioplasty for acute myocardial infarction (AMI) has not been studied. We compared the clinical outcomes of patients who received ionic versus nonionic low ...
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Journal ArticleAm Heart J · March 2000
BACKGROUND: Thirty-day death among recipients of fibrinolytic therapy for acute myocardial infarction (MI) is tightly correlated with easily obtainable key demographic and clinical parameters such as age, blood pressure, heart rate, and infarct location. S ...
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Journal ArticleJ Am Coll Cardiol · March 1, 2000
OBJECTIVE: To compare the prognostic significance of reperfusion assessment by Thrombolysis in Myocardial Infarction (TIMI) flow grade in the infarct related artery and ST-segment resolution analysis, by correlating with clinical outcomes in patients with ...
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Journal ArticleCirculation · January 4, 2000
BACKGROUND: Ventricular septal defect (VSD) complicating acute myocardial infarction has been studied primarily in small, prethrombolytic-era trials. Our goal was to determine clinical predictors and angiographic and clinical outcomes of this complication ...
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Journal ArticleAm Heart J · December 1999
OBJECTIVE: To determine the short-term safety and tolerability of the addition of ecadotril to conventional therapy in patients with mild to moderate heart failure. METHODS: Fifty ambulatory patients, 18 to 75 years of age, with mild to moderate heart fail ...
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Journal ArticleAm J Cardiol · December 1, 1999
Troponin T has been used successfully to risk stratify patients with acute coronary syndromes, but the utility of this approach using a rapid bedside assay in patients undergoing thrombolysis for ST-segment elevation acute myocardial infarction has not bee ...
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Journal ArticleAm Heart J · December 1999
BACKGROUND: Prior studies, usually conducted with the use of insurance databases, have shown differences in the use of cardiac procedures between black patients and white patients hospitalized with various types of coronary artery disease. However, few dat ...
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Journal ArticleCirculation · November 16, 1999
BACKGROUND: Cardiogenic shock is usually considered a sequela of ST-segment elevation myocardial infarction. There are limited prospective data on the incidence and significance of shock in non-ST-segment elevation patients. This study assessed the inciden ...
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Journal ArticleJ Am Coll Cardiol · November 15, 1999
OBJECTIVES: We sought to describe the differences in the process of care and clinical outcomes between Hispanics and non-Hispanics receiving thrombolytic therapy for myocardial infarction (MI). BACKGROUND: Hispanics are the fastest growing and second large ...
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Journal ArticleJ Am Coll Cardiol · November 15, 1999
OBJECTIVES: The Acute Myocardial Infarction STudy of ADenosine (AMISTAD) trial was designed to test the hypothesis that adenosine as an adjunct to thrombolysis would reduce myocardial infarct size. BACKGROUND: Reperfusion therapy for acute myocardial infar ...
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Journal ArticleAm J Cardiol · November 15, 1999
Few data are available in prospectively collected cohorts of patients with unstable angina pectoris or on the use of appropriate medications or interventions. Accordingly, we evaluated 2,948 consecutive patients with unstable angina admitted to 35 hospital ...
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Journal ArticleNeurology · October 12, 1999
BACKGROUND: Postpoliomyelitis syndrome (PPS) is likely due to degeneration and dysfunction of terminal axons of enlarged postpolio motor units. Age-related decline in growth hormone and insulin-like growth factor (IGF-I) may be a contributing factor. Neuro ...
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Journal ArticleAm Heart J · September 1999
BACKGROUND: Intracranial hemorrhage is an uncommon but very dangerous complication in patients receiving thrombolytic therapy for acute myocardial infarction. Neurosurgical evacuation is often an available treatment option. However, the association between ...
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Journal ArticleJ Card Fail · September 1999
BACKGROUND: Chronic heart failure (CHF) is an increasing burden to health care. Pharmacological treatment with angiotensin-converting enzyme (ACE) inhibitors and beta blockers improve survival and reduce hospitalizations in patients with low left ventricul ...
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Journal ArticleLancet · August 28, 1999
BACKGROUND: Bolus fibrinolytic therapy facilitates early efficient institution of reperfusion therapy. Tenecteplase is a genetically engineered variant of alteplase with slower plasma clearance, better fibrin specificity, and high resistance to plasminogen ...
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Journal ArticleEur Heart J · August 1999
AIMS: The reported prevalence of angiotensin-converting enzyme (ACE) inhibitor use in patients with heart failure varies considerably. Recent reports suggest that many patients who could benefit from such therapy are not receiving ACE inhibitors. The Study ...
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Journal ArticleCirculation · July 6, 1999
BACKGROUND: Time to treatment with thrombolytic therapy is a critical determinant of mortality in acute myocardial infarction. Little is known about the relationship between the time to treatment with direct coronary angioplasty and clinical outcome. The o ...
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Journal ArticleJ Am Coll Cardiol · July 1999
OBJECTIVES: We sought to compare U.S. and Canada's post-myocardial infarction (MI) cardiac catheterization practices in the detection of severe coronary artery disease (CAD). BACKGROUND: Little is known about the efficiency with which the aggressive post-M ...
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Journal ArticleCirculation · May 11, 1999
BACKGROUND: The incidence of stroke in patients with acute coronary syndromes has not been clearly defined because few trials in this patient population have been large enough to provide stable estimates of stroke rates. METHODS AND RESULTS: We studied the ...
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Journal ArticleAm Heart J · May 1999
BACKGROUND: Early meta-analyses suggested that prophylactic lidocaine use reduces ventricular fibrillation but increases mortality rates after acute myocardial infarction. We determined the frequency and effect on clinical outcomes with its use in the thro ...
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Journal ArticleAm Heart J · May 1999
BACKGROUND: More than 20 randomized trials and 4 meta-analyses have been conducted on the use of prophylactic lidocaine in acute myocardial infarction (MI). The results suggest that lidocaine reduces ventricular fibrillation (VF) but increases mortality ra ...
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Journal ArticleAm Heart J · April 1999
BACKGROUND: Because of the increased propensity of intracoronary thrombi to form in cigarette smokers, percutaneous transluminal angioplasty (PTCA) for acute myocardial infarction (AMI) may be less effective in smokers. We sought to determine the impact of ...
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Journal ArticleJAMA · February 24, 1999
CONTEXT: The presence of ischemic changes on electrocardiogram (ECG) correlates with poorer outcomes in patients with acute chest pain. OBJECTIVE: To determine the prognostic value of various ECG presentations of acute myocardial ischemia. DESIGN: Retrospe ...
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Journal ArticleCirculation · January 26, 1999
BACKGROUND: Stroke occurs concurrently with myocardial infarction (MI) in approximately 30 000 US patients each year. This number is expected to rise with the increasing use of thrombolytic therapy for MI. However, no data exist for the economic effect of ...
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Journal ArticleAm J Cardiol · January 15, 1999
This study assessed whether differences in the underlying mechanisms for various patterns of precordial ST-segment depression with inferior acute myocardial infarction (AMI) are associated with poorer prognoses. We studied 1,155 patients with inferior AMI ...
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Journal ArticleAm Heart J · January 1999
BACKGROUND: A large proportion of deaths among patients with myocardial infarction occurs within the first 24 hours after presentation. It is not clear whether this phenomenon is also true of patients without ST-segment elevation who may or may not have in ...
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Journal ArticleAmerican Heart Journal · 1999
Background: Prior studies, usually conducted with the use of insurance databases, have shown differences in the use of cardiac procedures between black patients and white patients hospitalized with various types of coronary artery disease. However, few dat ...
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Journal ArticleCardiology Review · January 1, 1999
Ocular hemorrhage after thrombolytic therapy for acute MI is rare, yet diabetic retinopathy has been considered a contraindication to thrombolysis without clear evidence of an increased risk for ocular hemorrhage. We evaluated 41,021 GUSTO-I trial patients ...
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Journal ArticleJ Am Coll Cardiol · December 1998
OBJECTIVES: The purpose of this study to determine whether use of cardiac medications reflects evidence-based recommendations for patients with non-ST elevation acute coronary syndromes. BACKGROUND: Agency for Health Care Policy and Research practice guide ...
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Journal ArticleCardiology Review · December 1, 1998
We studied 247 (0.6%) of the 41,021 patients enrolled in the GUSTO-I trial who had suffered a nonhemorrhagic stroke. Of this subset, 42 (17%) died and 98 (40%) were disabled within 30 days. Advanced age was the most important baseline clinical predictor of ...
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Journal ArticleCirculation · November 3, 1998
BACKGROUND: The baseline cardiac troponin T (cTnT) level strongly predicts short-term mortality in acute coronary syndromes, but the added value of later measures to predict short- and long-term outcome and in the context of baseline clinical characteristi ...
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Journal ArticleCirculation · November 3, 1998
BACKGROUND: Recurrent ischemia after an acute coronary syndrome portends an unfavorable outcome and has major resource-use implications. This issue has not been studied systematically among the spectrum of patients with acute coronary presentations, encomp ...
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Journal ArticleAm Heart J · November 1998
BACKGROUND: The safety and efficacy of bedside monitors of activated partial thromboplastin time (aPTT) have not been examined in a large population receiving intravenous heparin after thrombolytic treatment for acute myocardial infarction. We compared out ...
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Journal ArticleCirculation · October 6, 1998
BACKGROUND: Limited information exists on risk factors for mortality after thrombolysis-related intracranial hemorrhage. We wished to determine the characteristics associated with 30-day mortality after thrombolysis-related intracranial hemorrhage. METHODS ...
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Journal ArticleAm Heart J · October 1998
Despite a clinical trials experience in excess of 30,000 randomized patients, there is no definitive answer or agreement as to the relation between the level of inhibition of platelet aggregation and clinical outcome. Work with abciximab in the setting of ...
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Journal ArticleStroke · September 1998
BACKGROUND AND PURPOSE: The volume of an intracerebral hemorrhage has been shown to be an important independent predictor of mortality in several reports. A technique for estimating hematoma volume, known as the ABC/2 method, has been proven a reliable, si ...
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Journal ArticleJ Am Coll Cardiol · September 1998
OBJECTIVES: We assessed the use and effects of acute intravenous and later oral atenolol treatment in a prospectively planned post hoc analysis of the GUSTO-I dataset. BACKGROUND: Early intravenous beta blockade is generally recommended after myocardial in ...
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Journal ArticleJ Am Coll Cardiol · August 1998
OBJECTIVES: The purpose of this study was to investigate whether or not there is an association between managed care insurance and the delivery and outcome of care in patients presenting with unstable angina. BACKGROUND: The proportion of U.S. patients wit ...
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Journal ArticleAust N Z J Med · August 1998
Antithrombotic agents have been shown to be beneficial in the setting of acute coronary syndromes, and as an adjunct to thrombolysis for acute myocardial infarction (AMI). The optimal type and dosing of antithrombotic drug, however, remains elusive. Hepari ...
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Journal ArticleCardiology Review · July 13, 1998
The relationship between outcome and age for patients with acute myocardial infarction who are given thrombolytic therapy was analyzed in a population of 41,021 infarction patients randomly assigned to one of four thrombolytic treatment regimens. Increasin ...
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Journal ArticleCirculation · June 23, 1998
BACKGROUND: Unstable angina and non-Q-wave myocardial infarction involve coronary arterial plaque rupture, platelet activation, and thrombus formation. This study tested the benefit of different doses of lamifiban (a platelet IIb/IIIa antagonist) alone and ...
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Journal ArticleJ Am Coll Cardiol · June 1998
OBJECTIVES: We sought to show that hirudin might interact differently with streptokinase (SK) and tissue-type plasminogen activator (t-PA), which could reduce the incidence of death or reinfarction at 30 days. BACKGROUND: In a large-scale trial of patients ...
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Journal ArticleAm J Cardiol · May 1, 1998
Increased T-wave amplitude is one of the earliest electrocardiographic (ECG) changes following coronary artery occlusion. Therefore, higher T waves in the presenting electrocardiogram should represent earlier time to treatment and thus be associated with l ...
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Journal ArticleJ Am Coll Cardiol · March 15, 1998
OBJECTIVES: We sought to study the relation between recurrent ST segment shift within 6 to 24 h of initial resolution of ST elevation after thrombolytic therapy and 30-day and 1-year mortality. BACKGROUND: Rapid and stable resolution of ST segment elevatio ...
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Journal ArticleCirculation · March 3, 1998
BACKGROUND: Nonhemorrhagic stroke occurs in 0.1% to 1.3% of patients with acute myocardial infarction who are treated with thrombolysis, with substantial associated mortality and morbidity. Little is known about the risk factors for its occurrence. METHODS ...
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Journal ArticleJ Am Coll Cardiol · March 1, 1998
OBJECTIVES: We sought to assess the effects of antithrombotic therapy after thrombolysis for acute myocardial infarction on markers of thrombin generation and activity and to determine the relation of these markers with clinical outcomes. BACKGROUND: Throm ...
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Journal ArticleClin Chem · March 1998
We compared cardiac troponins T (cTnT) and I (cTnI) collected within 3.5 h of ischemic symptoms for predicting clinical outcomes in 770 patients. cTnT (cutoff > 0.1 microgram/L) and cTnI (cutoff > 1.5 micrograms/L) were concordant (both positive or negativ ...
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Journal ArticleStroke · March 1998
BACKGROUND AND PURPOSE: Intracranial hemorrhage (ICH) is a serious complication of thrombolytic therapy. We systematically reviewed the radiographic features of 244 cases of symptomatic ICH complicating thrombolysis for acute myocardial infarction in the G ...
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Journal ArticleAm J Crit Care · March 1998
BACKGROUND: Methods of converting treatment with i.v. nitroglycerin to treatment with nitroglycerin ointment 2% vary greatly and may affect the length of time patients remain in the ICU, nursing time, and possible recurrent angina. To date, no randomized, ...
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Journal ArticleCirculation · February 10, 1998
BACKGROUND: Although the stratification of patients with myocardial infarction into ECG subsets based on the presence or absence of new Q waves has important clinical and prognostic utility, systematic evaluation of the impact of thrombolytic therapy on th ...
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Journal ArticleJAMA · February 4, 1998
CONTEXT: Early risk stratification of patients with myocardial infarction is critical to determine optimum treatment strategies and enhance outcomes, but knowledge of the prognostic importance of the initial electrocardiogram (ECG) is limited. OBJECTIVE: T ...
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Journal ArticleJ Am Coll Cardiol · February 1998
The detection of elevated cardiac enzyme levels and the occurrence of electrocardiographic (ECG) abnormalities after revascularization procedures have been the subject of recent controversy. This report represents an effort to achieve a consensus among a g ...
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Journal ArticleJ Am Coll Cardiol · January 1998
OBJECTIVES: We sought to assess the outcome of patients with acute myocardial infarction (MI) and bundle branch block in the thrombolytic era. BACKGROUND: Studies of patients with acute MI and bundle branch block have reported high mortality rates and poor ...
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Journal ArticleJ Am Coll Cardiol · December 1997
OBJECTIVES: This study sought to evaluate the incidence of ocular hemorrhage in patients with and without diabetes after thrombolytic therapy for acute myocardial infarction. BACKGROUND: Ocular hemorrhage after thrombolysis has been reported rarely. Howeve ...
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Journal ArticleN Engl J Med · October 16, 1997
BACKGROUND: Reteplase (recombinant plasminogen activator), a mutant of alteplase tissue plasminogen activator, has a longer half-life than its parent molecule and produced superior angiographic results in pilot studies of acute myocardial infarction. In th ...
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Journal ArticleJ Am Coll Cardiol · September 1997
OBJECTIVES: We sought to examine the use, complications and outcomes with early intraaortic balloon counterpulsation (IABP) in patients presenting with cardiogenic shock complicating acute myocardial infarction and treated with thrombolytic therapy. BACKGR ...
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Journal ArticleJ Am Coll Cardiol · August 1997
OBJECTIVES: We examined the clinical predictors and angiographic and clinical outcomes associated with atrial fibrillation in the setting of acute myocardial infarction (MI). BACKGROUND: This condition has been studied primarily in prethrombolytic era smal ...
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Journal ArticleJ Am Coll Cardiol · July 1997
OBJECTIVES: This study was undertaken to define and better understand the characteristics and outcomes of patients with diabetes treated for acute myocardial infarction with contemporary thrombolysis. BACKGROUND: Although thrombolysis has substantially imp ...
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Journal ArticleCirculation · July 1, 1997
BACKGROUND: Left ventricular remodeling is an important sequela of myocardial infarction (MI). Although remodeling occurs soon after MI, the effect of early left ventricular dilatation on outcome is not established and may be useful for early risk stratifi ...
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Journal ArticleAm J Cardiol · June 19, 1997
Although reperfusion therapy for acute myocardial infarction is known to reduce infarct size, improve left ventricular function, and reduce mortality, the full potential benefit may be limited by acceleration of damage resulting from reperfusion, or "reper ...
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Journal ArticleN Engl J Med · June 5, 1997
BACKGROUND: Among physicians who treat patients with acute myocardial infarction, there is controversy about the magnitude of the clinical benefit of primary (i.e., immediate) coronary angioplasty as compared with thrombolytic therapy. METHODS: As part of ...
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Journal ArticleCirculation · June 3, 1997
BACKGROUND: Although the benefit of thrombolytic therapy in reducing mortality in acute myocardial infarction is well established, the types of bleeding and risk factors for bleeding are less well described in large trials. METHODS AND RESULTS: We analyzed ...
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Journal ArticleEur Heart J · May 1997
The physician wishing to estimate the risk of death for a patient experiencing acute myocardial infarction can rapidly use parameters available on first seeing the patient to estimate the expected mortality and can update this risk during the early phase o ...
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Journal ArticleAnn Neurol · May 1997
Intracerebral hemorrhage (ICH) is a common and serious type of stroke. Recent studies have shown that inherited factors that affect the development of the vessel wall can increase the risk of ICH. We studied endoglin as a candidate gene in patients with sp ...
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Journal ArticleJ Am Coll Cardiol · March 15, 1997
OBJECTIVES: We assessed the outcomes of patients with a first myocardial infarction with ST segment elevation, with and without the development of abnormal Q waves after thrombolysis. BACKGROUND: Prethrombolytic era studies report conflicting short-versus ...
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Journal ArticleAm Heart J · March 1997
Early and sustained flow of grade 3 according to Thrombolysis in Myocardial infarction (TIMI) criteria and reocclusion rates are the key measures that define the physiologic efficacy of thrombolytic agents in the treatment of acute myocardial infarction. W ...
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Journal ArticleJ Thromb Thrombolysis · 1997
Background: The current prevalence, timing, and route of heparin use after thrombolytic therapy for acute myocardial infarction both within and outside the United States (U.S.) have not been extensively studied. Method: An 18-item questionnaire was mailed ...
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Journal ArticleAnn Intern Med · December 1, 1996
BACKGROUND: Despite concern that hypertension increases the risk for intracranial hemorrhage during thrombolysis for acute myocardial infarction, the exact nature of the risk remains unclear. OBJECTIVE: To assess the effects of previous hypertension and bl ...
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Journal ArticleN Engl J Med · October 31, 1996
BACKGROUND: The prognosis of patients hospitalized with acute myocardial ischemia is quite variable. We examined the value of serum levels of cardiac troponin T, serum creatine kinase MB (CK-MB) levels, and electrocardiographic abnormalities for risk strat ...
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Journal ArticleCirculation · October 15, 1996
BACKGROUND: Elderly patients with acute myocardial infarction have much to gain from reperfusion with thrombolytic therapy but are also at increased risk of adverse events. We examined outcomes according to age of patients receiving thrombolysis in an inte ...
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Journal ArticleN Engl J Med · September 12, 1996
BACKGROUND: Thrombin has a pivotal role in the pathogenesis of acute coronary thrombosis. We compared the clinical efficacy of a potent, direct thrombin inhibitor, recombinant hirudin, with that of heparin (an indirect antithrombin agent) in patients with ...
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Journal ArticleJ Am Coll Cardiol · August 1996
OBJECTIVES: We examined the prognostic significance of precordial ST segment depression among patients with an acute inferior myocardial infarction. BACKGROUND: Although precordial ST segment depression has been associated with a poor prognosis, this corre ...
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Journal ArticleJournal of Intravenous Nursing · May 1, 1996
Background: The abrupt cessation of heparin and other thrombin inhibitors when used to treat acute coronary syndromes has been accompanied by a clustering of thrombotic events. It is unknown whether these events are the result of inadequate antithrombin th ...
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Journal ArticleAm J Cardiol · March 15, 1996
Intravenous heparin is routinely given after thrombolytic therapy for patients with acute myocardial infarction in the United States and in some, but by no means all, other countries. Several trials have documented improved infarct-artery patency in patien ...
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Journal ArticleChest · March 1996
PURPOSE: To describe the occurrence, cause, and significance of hemoptysis following thrombolytic therapy for acute myocardial infarction. PATIENTS AND METHODS: We retrospectively reviewed 2,634 patients presenting with acute myocardial infarction who rece ...
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Journal ArticleCirculation · March 1, 1996
BACKGROUND: Although intravenous heparin is commonly used after thrombolytic therapy, few reports have addressed the relationship between the degree of anticoagulation and clinical outcomes. We examined the activated partial thromboplastin time (aPTT) in 2 ...
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Journal ArticleJ Am Coll Cardiol · December 1995
OBJECTIVES: The purpose of this study was to examine the clinical implications of administering thrombolytic therapy to menstruating women with acute myocardial infarction. BACKGROUND: Although anecdotal case reports have suggested that thrombolytic therap ...
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Journal ArticleAm J Cardiol · November 15, 1995
Early postinfarction angina implies an unfavorable prognosis. Most published information on this outcome represents data collected in the prethrombolytic era, in which definitions and populations differed considerably. Our purpose was to evaluate the incid ...
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Journal ArticleCirculation · November 15, 1995
BACKGROUND: Stroke is the most feared complication of thrombolysis for acute myocardial infarction because of the resulting mortality and disability. We analyzed the incidence, timing, and outcomes of stroke in an international trial. METHODS AND RESULTS: ...
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Journal ArticleJ Am Coll Cardiol · June 1995
OBJECTIVES: The ST segment monitoring substudy of the Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries (GUSTO-I) trial compared the speed and stability of ST segment recovery among four thrombolytic strate ...
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Journal ArticleMed Care · June 1995
Treatment of acute myocardial infarction differs between the United States and Canada, but the reasons for these practice pattern differences remain elusive. To investigate whether physician beliefs and access to procedures account for these differences in ...
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Journal ArticleJAMA · May 24, 1995
OBJECTIVE: To examine differences in outcomes and patient management between patients in the United States and outside the United States undergoing thrombolysis for acute myocardial infarction. DESIGN, SETTING, AND PATIENTS: Patients in the United States ( ...
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Journal ArticleCirculation · April 1, 1995
BACKGROUND: The abrupt cessation of heparin and other thrombin inhibitors when used to treat acute coronary syndromes has been accompanied by a clustering of thrombotic events. It is unknown whether these events are the result of inadequate antithrombin th ...
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Journal ArticleAm J Cardiol · December 15, 1994
Individual studies of patency rates and left ventricular (LV) function after thrombolysis have generally been limited by small numbers of observations, wide confidence intervals, and limited numbers of time points. To obtain a more reliable estimate of pat ...
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Journal ArticleN Engl J Med · October 27, 1994
BACKGROUND: Much attention has been directed to the use of medical resources and to patients' outcomes in Canada as compared with the United States. We compared U.S. and Canadian patients with respect to their use of medical resources and their quality of ...
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Journal ArticleJournal of Myocardial Ischemia · August 8, 1994
With increasing pressure on the medical community to conserve resources wherever possible, practising clinicians must become more involved in clinical investigations designed to determine which therapies are effective and which are not. With this goal in m ...
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Journal ArticleAm J Cardiol · March 1, 1994
Thrombolytic therapy for acute myocardial infarction (AMI) has reduced mortality at the expense of additional intracranial hemorrhages. To determine whether this trade-off has been optimized, a decision analysis was performed using pooled data to determine ...
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Journal ArticleN Engl J Med · November 25, 1993
BACKGROUND: Although it is known that thrombolytic therapy improves survival after acute myocardial infarction, it has been debated whether the speed with which coronary-artery patency is restored after the initiation of therapy further affects outcome. ME ...
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Journal ArticleN Engl J Med · September 2, 1993
BACKGROUND: The relative efficacy of streptokinase and tissue plasminogen activator and the roles of intravenous as compared with subcutaneous heparin as adjunctive therapy in acute myocardial infarction are unresolved questions. The current trial was desi ...
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Journal ArticleCirculation · August 1993
BACKGROUND: If a practical, reliable, noninvasive marker of failed reperfusion was available in real time, the benefits of further therapy in this patient subgroup could be tested. We developed a method of 12-lead ST-segment recovery analysis using continu ...
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Journal ArticleJ Am Coll Cardiol · March 15, 1993
OBJECTIVES: This study was designed to assess outcome in patients with diabetes who received thrombolytic therapy and to determine whether differences in angiographic characteristics may account for the worse outcome observed in diabetic patients. BACKGROU ...
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Journal ArticleAm J Cardiol · January 15, 1993
Early angiography may not adequately subgroup patients with myocardial infarction if cyclic changes in coronary flow occur frequently. From a pilot experience using a new 12-lead ST-segment monitor, a continuously updated, self-referenced ST-recovery analy ...
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Journal ArticleDrugs · September 1992
In the past 10 years, thrombolytics have become standard therapy for acute myocardial infarction. Although the ability of streptokinase to lyse clot was first recognised in the 1930s, thrombolytic therapy was not used to treat acute myocardial infarction u ...
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Journal ArticleJ Am Coll Cardiol · August 1990
Employing equilibrium-gated radionuclide ventriculography in the left anterior oblique view, six geometric models and five mathematic coefficients of nonuniformity in regional left ventricular emptying were tested for their relative mortality risk-stratify ...
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Journal ArticleJ Am Coll Cardiol · April 1985
The effects of endurance training on the diastolic properties of the left ventricle were examined by comparing left ventricular filling rates in 11 male distance runners and 12 age-matched nonathletic control subjects selected to have nearly similar heart ...
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