Journal articleHeart Rhythm · February 2025
BACKGROUND: Implantable cardioverter-defibrillator (ICD) shocks are a common complication after left ventricular assist device (LVAD) implantation; however, data on their frequency and causes are limited. OBJECTIVE: The purpose of this study was to define ...
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Journal articleJAMA Cardiol · March 1, 2024
IMPORTANCE: The Centers for Medicare & Medicaid Services (CMS) Bundled Payments for Care Improvement (BPCI) program was launched in 2013 with a goal to improve care quality while lowering costs to Medicare. OBJECTIVE: To compare changes in the quality and ...
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Journal articleJ Card Fail · February 2024
BACKGROUND: Patients hospitalized with heart failure (HF) and diabetes mellitus (DM) are at risk for worsening clinical status. Little is known about the frequency of therapeutic changes during hospitalization. We characterized the use of medical therapies ...
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Journal articleJAMA · June 20, 2023
IMPORTANCE: Use of oral vitamin K antagonists (VKAs) may place patients undergoing endovascular thrombectomy (EVT) for acute ischemic stroke caused by large vessel occlusion at increased risk of complications. OBJECTIVE: To determine the association betwee ...
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Journal articleJ Am Heart Assoc · March 21, 2023
Background Nonvitamin K oral anticoagulants require dose adjustment based on kidney function.The most common estimate of kidney function employed in clinical practice is estimated glomerular filtration rate (eGFR); however, product monographs recommend the ...
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Journal articleAm Heart J · April 2022
BACKGROUND: The Hospital Readmissions Reduction Program penalizes hospitals with excess 30-day risk-standardized readmission rates (RSRR) for heart failure (HF). The association of financial penalty amount with subsequent short-term clinical outcomes is un ...
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Journal articleAm Heart J · March 2022
BACKGROUND: The Get With The Guidelines - Atrial Fibrillation (GWTG-AFIB) Registry uses achievement and quality measures to improve the care of patients with atrial fibrillation (AF). We sought to evaluate overall and site-level variation in attainment of ...
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Journal articleJAMA · February 22, 2022
IMPORTANCE: Current guidelines recommend against use of intravenous alteplase in patients with acute ischemic stroke who are taking non-vitamin K antagonist oral anticoagulants (NOACs). OBJECTIVE: To evaluate the safety and functional outcomes of intraveno ...
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Journal articleJ Am Heart Assoc · February 15, 2022
Background Currently, little is known regarding seasonal variation for atrial fibrillation (AF) in the United States and whether quality of care for AF varies between seasons. Methods and Results The GWTG-AFib (Get With The Guidelines-AFib) registry was in ...
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Journal articleCirc Arrhythm Electrophysiol · November 2021
BACKGROUND: When presenting for atrial fibrillation (AF) ablation, women, compared with men, tend to have more nonpulmonary vein triggers and advanced atrial disease. Whether this informs differences in AF ablation strategy is not well described. We aimed ...
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Journal articleCirculation · June 15, 2021
BACKGROUND: The coronavirus disease 2019 (COVID-19) pandemic has exposed longstanding racial and ethnic inequities in health risks and outcomes in the United States. We aimed to identify racial and ethnic differences in presentation and outcomes for patien ...
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Journal articleHeart · April 2021
BACKGROUND: Cardioversion is common among patients with atrial fibrillation (AF). We hypothesised that novel oral anticoagulants (NOAC) used in clinical practice resulted in similar rates of stroke compared with vitamin K antagonists (VKA) for cardioversio ...
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Journal articleJ Cardiovasc Electrophysiol · February 2021
INTRODUCTION: Cryoballoon ablation (CBA) is an alternative to radiofrequency ablation (RFA) for ablation of atrial fibrillation (AF) and real-world comparisons of this strategy are lacking. As such, we sought to compare patient and periprocedural character ...
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Journal articleCirc Arrhythm Electrophysiol · February 2021
BACKGROUND: Antiarrhythmic drug (AAD) therapy for atrial fibrillation (AF) can be associated with both proarrhythmic and noncardiovascular toxicities. Practice guidelines recommend tailored AAD therapy for AF based on patient-specific characteristics, such ...
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Journal articleCirc Cardiovasc Qual Outcomes · December 2020
BACKGROUND: The benefit of intravenous thrombolytic therapy for acute ischemic stroke is time dependent. To assist hospitals in providing faster thrombolytic treatment, the American Heart Association launched target: stroke quality initiative in January 20 ...
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Journal articleAm J Cardiol · October 1, 2020
The aim of this study was to quantify time in therapeutic range (TTR) before and after a temporary interruption of warfarin due to an intervention in the Outcomes Registry for Better Informed Treatment of atrial fibrillation (AF). AF patients on warfarin w ...
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Journal articleCirc Arrhythm Electrophysiol · September 2020
BACKGROUND: Catheter ablation is an increasingly used treatment for symptomatic atrial fibrillation (AF). However, there are limited prospective, nationwide data on patient selection and procedural characteristics. This study describes patient characterist ...
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Journal articleJAMA · June 2, 2020
IMPORTANCE: Earlier administration of intravenous tissue plasminogen activator (tPA) in acute ischemic stroke is associated with reduced mortality by the time of hospital discharge and better functional outcomes at 3 months. However, it remains unclear whe ...
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Journal articleCirc Arrhythm Electrophysiol · May 2020
BACKGROUND: Atrial fibrillation (AF) adversely impacts health-related quality of life (hrQoL). While some patients demonstrate improvements in hrQoL, the factors associated with large improvements in hrQoL are not well described. METHODS: We assessed facto ...
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Journal articleCirc Cardiovasc Interv · May 2020
BACKGROUND: Patients with atrial fibrillation on oral anticoagulation (OAC) undergoing cardiac catheterization face risks for embolic and bleeding events, yet information on strategies to mitigate these risks in contemporary practice is lacking. METHODS: W ...
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Journal articleHeart · March 2020
OBJECTIVE: Non-vitamin K oral anticoagulants (NOACs) require dose adjustment for renal function. We sought to investigate change in renal function over time in patients with atrial fibrillation (AF) and whether those on NOACs have appropriate dose adjustme ...
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Journal articleAm Heart J · February 2020
BACKGROUND: Amiodarone is the most effective antiarrhythmic drug (AAD) for atrial fibrillation (AF), but it has a high incidence of adverse effects. METHODS: Using the ORBIT AF registry, patients with AF on amiodarone at enrollment, prescribed amiodarone d ...
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Journal articleJ Bone Joint Surg Am · January 15, 2020
BACKGROUND: Financial burden for patients, providers, and payers can reduce access to physical therapy (PT) after total knee arthroplasty (TKA). The purpose of the present study was to examine the effect of a virtual PT program on health-care costs and cli ...
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Journal articleJAMA Cardiol · August 1, 2019
IMPORTANCE: Bleeding and thrombotic events (eg, stroke and systemic embolism) are common in patients with atrial fibrillation (AF) taking warfarin sodium despite a well-established therapeutic range. OBJECTIVE: To evaluate whether history of therapeutic wa ...
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Journal articleJAMA · July 16, 2019
IMPORTANCE: Randomized clinical trials suggest benefit of endovascular-reperfusion therapy for large vessel occlusion in acute ischemic stroke (AIS) is time dependent, but the extent to which it influences outcome and generalizability to routine clinical p ...
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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 articleAm Heart J · May 2019
BACKGROUND: The incidence of cognitive impairment and frailty increase with age and may impact both therapy and outcomes in atrial fibrillation (AF). METHODS: We examined the prevalence of clinically recognized cognitive impairment and frailty (as defined ...
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Journal articleCirc Cardiovasc Qual Outcomes · May 2019
Background The Atrial Fibrillation Effect on Quality-of-Life (AFEQT) questionnaire has recently been validated to measure the impact of atrial fibrillation on quality of life, but a clinically important difference in AFEQT score has not been well defined. ...
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Journal articleInt J Cardiol · January 1, 2019
BACKGROUND: Renal function has been associated with an increased stroke risk in patients with atrial fibrillation (AF). However, whether renal function incrementally adds to risk prediction in both anticoagulated and non-anticoagulated patients with AF is ...
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Journal articleJAMA Cardiol · December 1, 2018
IMPORTANCE: Black and Hispanic patients are less likely than white patients to use oral anticoagulants for atrial fibrillation. Little is known about racial/ethnic differences in use of direct-acting oral anticoagulants (DOACs) for atrial fibrillation. OBJ ...
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Journal articleAm J Cardiol · November 15, 2018
Asymptomatic atrial fibrillation (AF) is being increasingly diagnosed via implantable devices, screening, and inpatient telemetry. Management of asymptomatic AF is controversial, in part, because the associated risks have not been well described. We examin ...
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Journal articleHeart · November 2018
OBJECTIVE: Chronic obstructive pulmonary disease (COPD) is associated with the development of atrial fibrillation (AF), and may complicate treatment of AF. We examined the association between COPD and symptoms, quality of life (QoL), treatment and outcomes ...
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Journal articleJ Am Heart Assoc · September 18, 2018
Background Chronic kidney disease ( CKD ) is a common comorbidity in patients with atrial fibrillation. The presence of CKD complicates drug selection for stroke prevention and rhythm control. Methods and Results Patients enrolled in ORBIT AF (Outcomes Reg ...
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Journal articleCirculation · August 28, 2018
BACKGROUND: Bleeding is commonly cited as a reason for stopping oral anticoagulants (OACs). Whether minor bleeding events (nuisance bleeding, NB) in patients with atrial fibrillation on OACs are associated with OAC discontinuation, major bleeding, and stro ...
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Journal articleJ Am Heart Assoc · June 9, 2018
BACKGROUND: Oral anticoagulation (OAC) reduces stroke risk in atrial fibrillation, but bleeding is a frequent side effect. The decision to discontinue or modify medication regimens in response to a bleeding event may differ according to bleeding site and s ...
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Journal articleCirc Cardiovasc Interv · May 2018
BACKGROUND: Early success with regionalization of ST-segment-elevation myocardial infarction (STEMI) care has led many states to adopt statewide prehospital STEMI hospital destination policies, allowing emergency medical services to bypass non-percutaneous ...
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Journal articleCirc Cardiovasc Qual Outcomes · August 2017
BACKGROUND: There are limited data on the utilization and outcomes of coronary artery bypass grafting (CABG) among ST-segment-elevation myocardial infarction (STEMI) patients in contemporary practice. METHODS AND RESULTS: Using data from National Cardiovas ...
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Journal articleAm J Med · June 2015
BACKGROUND: Age is associated with outcomes in non-ST-segment elevation myocardial infarction; however, less is known about rehospitalization or death among elderly survivors. We aimed to evaluate mortality and cause-specific rehospitalization rates in thi ...
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Journal articleAm Heart J · May 2015
BACKGROUND: Obstructive sleep apnea (OSA) is common in patients with atrial fibrillation (AF). Little is known about the impact of OSA on AF treatment and long-term outcomes. We studied whether patients with OSA have a greater likelihood of progressing to ...
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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 articleAm Heart J · August 2014
BACKGROUND: Recent clinical trials have demonstrated the safety and efficacy of several non-vitamin K oral anticoagulants (NOACs) for the treatment of atrial fibrillation (AF). However, there are limited data on their use and outcomes in routine clinical p ...
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Journal articleAm Heart J · June 2014
BACKGROUND: Prior myocardial infarction (MI) is a known risk factor for long-term mortality among acute MI patients; but its prevalence and implications for the short-term outcomes of patients with a new, acute MI remain uncertain. METHODS: We studied a to ...
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Journal articleAm Heart J · May 2014
BACKGROUND: Prior studies have found that academic hospitals provide more consistent use of guideline-recommended therapies in patients with non-ST-segment myocardial infarction (NSTEMI) compared with nonacademic centers, yet it is unclear whether these ca ...
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Journal articleAm Heart J · April 2014
BACKGROUND: Oral anticoagulation (OAC) therapy reduces the risk of thromboembolic events associated with atrial fibrillation (AF), yet a substantial proportion of patients with AF are not prescribed OAC. The aim of this study is to describe the frequencies ...
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Journal articleAm Heart J · December 2013
BACKGROUND: In the United States as well as globally, Asians are a growing proportion of patients presenting with non-ST-segment elevation myocardial infarction (NSTEMI), yet little is known about their longitudinal outcomes. METHODS: We linked Centers for ...
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Journal articleJ Am Heart Assoc · November 25, 2013
BACKGROUND: Dabigatran is a novel oral anticoagulant approved for thromboprophylaxis in atrial fibrillation. Adoption patterns of this new agent in community practice are unknown. METHODS AND RESULTS: We studied patterns of dabigatran use among patients en ...
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Journal articleAm J Cardiol · October 15, 2013
Despite recent therapeutic advances, significant residual risk for in-hospital mortality persists among patients admitted with acute myocardial infarction (MI). Low levels of high-density lipoprotein cholesterol (HDL-C), a known independent predictor of in ...
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Journal articleCrit Pathw Cardiol · September 2013
BACKGROUND: The Society of Cardiovascular Patient Care (SCPC) accredits hospital acute coronary syndrome management. The influence of accreditation on the subset of patients diagnosed with acute myocardial infarction (AMI) is unknown. Our purpose was to de ...
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Journal articleJ Am Heart Assoc · July 18, 2013
BACKGROUND: The prevalence of atrial fibrillation (AF) continues to increase; however, there are limited data describing the division of care among practitioners in the community and whether care differs depending on provider specialty. METHODS AND RESULTS ...
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Journal articleThe American journal of emergency medicine · July 2013
ObjectiveAmerican Heart Association/American College of Cardiology guidelines recommend that patients with definite unstable angina or non-ST-segment elevation myocardial infarction (NSTEMI) receive dual antiplatelet therapy on presentation to the ...
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Journal articleAm Heart J · April 2013
BACKGROUND: All patients with atrial fibrillation (AF) require optimization of their ventricular rate. Factors leading to use of additional rhythm control in clinical practice have not been thoroughly defined. METHODS: The ORBIT-AF registry enrolled patien ...
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Journal articleAm Heart J · January 2013
BACKGROUND: Prior studies indicate that a subset of patients diagnosed as having ST-segment elevation myocardial infarction (STEMI) will have an initial non-diagnostic electrocardiogram (ECG) during evaluation. However, the timing of diagnostic ECG changes ...
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Journal articleCirc Heart Fail · November 2012
BACKGROUND: Patients with acute myocardial infarction (MI) complicated by heart failure (HF) are subject to higher mortality during the index hospitalization. Early risk prediction and intervention may help prevent HF-related morbidity and mortality. METHO ...
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Journal articleEur Heart J · August 2012
AIMS: Bleeding complications have been associated with short-term mortality in patients with non-ST-segment elevation myocardial infarction (NSTEMI). Their association with long-term outcomes is less clear. This study examines mortality associated with in- ...
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Journal articleAm Heart J · April 2012
BACKGROUND: Low serum high-density lipoprotein cholesterol (HDL-C) level is a potent risk factor for developing atherosclerosis, yet it is uncertain if HDL-C level at the time of non-ST-segment elevation myocardial infarction (NSTEMI) has downstream progno ...
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