Journal ArticleCardiovasc Revasc Med · December 2024
In 2020, the NIH and FDA issued guidance documents that laid the foundation for human subject research during an unprecedented pandemic. To bridge these general considerations to actual applications in cardiovascular interventional device trials, the PAnde ...
Full textLink to itemCite
Journal ArticleVasc Med · December 2024
BACKGROUND: In 2019, the US Food and Drug Administration issued a warning that symptomatic relief from claudication using paclitaxel-coated devices might be associated with an increase in mortality over 5 years. We designed a discrete-choice experiment (DC ...
Full textLink to itemCite
Journal ArticleASAIO J · November 1, 2024
Adverse events (AEs) experienced by children and adults with congenital heart disease (CHD) on ventricular assist devices (VADs) are sometimes unique to these populations. The Advanced Cardiac Therapies Improving Outcomes Network (ACTION) and the Academic ...
Full textLink to itemCite
Journal ArticleLancet Child Adolesc Health · October 2024
Extracorporeal membrane oxygenation (ECMO) is a high-risk and low-volume life support with increasing clinical study. However, heterogenous outcome definitions impede data assimilation into evidence to guide practice. The Academic Research Consortium (ARC) ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · August 15, 2024
Shortening the duration of dual-antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) was shown to be effective and safe in patients at high bleeding risk (HBR). We aimed to investigate the effect of 1 versus 3-month DAPT on outcomes a ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Qual Outcomes · July 2024
BACKGROUND: Cardiogenic shock is a morbid complication of heart disease that claims the lives of more than 1 in 3 patients presenting with this syndrome. Supporting a unique collaboration across clinical specialties, federal regulators, payors, and industr ...
Full textLink to itemCite
Journal ArticleOpen Heart · June 18, 2024
BACKGROUND: For high bleeding-risk patients (HBR) undergoing percutaneous coronary intervention (PCI), the LEADERS FREE (LF) and LEADERS FREE II (LF II) trials established the safety and efficacy of a stainless steel polymer-free biolimus-coated stent (SS- ...
Full textLink to itemCite
Journal ArticleAm Heart J · June 2024
BACKGROUND: The optimal antiplatelet regimen after percutaneous coronary intervention (PCI) in patients with peripheral artery disease (PAD) is still debated. This analysis aimed to compare the effect of ticagrelor monotherapy versus ticagrelor plus aspiri ...
Full textLink to itemCite
Journal ArticleEuroIntervention · May 20, 2024
BACKGROUND: A short dual antiplatelet therapy (DAPT) duration has been proposed for patients at high bleeding risk (HBR) undergoing drug-eluting coronary stent (DES) implantation. Whether this strategy is safe and effective after a non-ST-segment elevation ...
Full textLink to itemCite
Journal ArticleEuroIntervention · May 10, 2024
The identification and management of patients at high bleeding risk (HBR) undergoing transcatheter aortic valve implantation (TAVI) are of major importance, but the lack of standardise ...
Full textLink to itemCite
Journal ArticleEuroIntervention · April 1, 2024
BACKGROUND: The effect of administering a crushed prasugrel loading dose is uncertain in patients presenting with a large myocardial infarction and ST-segment elevation myocardial infarction (STEMI). AIMS: The aim of this study was to investigate if patien ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 1, 2024
This analysis aimed to evaluate the effect of 1- versus 3-month dual antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) in older patients. Data from 3 prospective, single-arm studies (XIENCE Short DAPT Program), including patients w ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · December 1, 2023
Repeat coronary revascularization is a common adverse event after successful percutaneous coronary intervention. This analysis aimed to assess the effects of ticagrelor monotherapy on repeat clinically driven revascularization (CDR). In the TWILIGHT (Ticag ...
Full textLink to itemCite
Journal ArticleJ Vasc Surg · November 2023
Registry Assessment of Peripheral Interventional Devices (RAPID) initiated the Pathways Program to provide a transparent, collaborative forum in which to pursue insights into multiple unresolved questions on benefit-risk of paclitaxel-coated devices, inclu ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · October 23, 2023
BACKGROUND: The optimal duration of dual antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) in patients on long-term oral anticoagulation (OAC) therapy is still uncertain. OBJECTIVES: The aim of this analysis was to assess the effec ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · October 23, 2023
BACKGROUND: Nearly 20% of patients on ticagrelor experience dyspnea, which may lead to treatment discontinuation in up to one-third of cases. OBJECTIVES: The authors sought to evaluate the incidence, predictors, and outcomes of dyspnea-related ticagrelor d ...
Full textLink to itemCite
Journal ArticleJ Clin Med · October 20, 2023
BACKGROUND: Direct stenting (DS) compared with conventional stenting (CS) after balloon predilatation may reduce distal embolization during percutaneous coronary intervention (PCI), thereby improving tissue reperfusion. In contrast, DS may increase the ris ...
Full textLink to itemCite
Journal ArticleCirculation · October 3, 2023
The Shock Academic Research Consortium is a multi-stakeholder group, including representatives from the US Food and Drug Administration and other government agencies, industry, and payers, convened to develop pragmatic consensus definitions useful for the ...
Full textLink to itemCite
Journal ArticleJ Eval Clin Pract · October 2023
RATIONALE: The question of how to adaptively cope with chronic illnesses, aging, and other sources of bodily impairment is crucial for patients and clinicians alike, though sometimes overlooked in the focus on biomedical treatment. AIMS AND OBJECTIVES: To ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · August 22, 2023
BACKGROUND: In TWILIGHT (Ticagrelor With Aspirin or Alone in High-Risk Patients After Coronary Intervention), among high-risk patients undergoing percutaneous coronary intervention (PCI), ticagrelor monotherapy vs continuation of dual antiplatelet therapy ...
Full textLink to itemCite
Journal ArticleInt J Cardiol · July 15, 2023
BACKGROUND: Biodegradable polymer biolimus-eluting stents (BP-BES) may be associated with better outcomes in patients with acute coronary syndromes (ACS) undergoing percutaneous coronary intervention (PCI) compared to other current-generation limus-eluting ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · July 2023
As medical device development becomes increasingly global, the opportunities and potential advantages offered by international clinical trial and regulatory approval strategies are also growing. In particular, medical device clinical trials involving sites ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · June 26, 2023
Mitral regurgitation is the most common valvular disease and is estimated to affect over 5 million Americans. Real-world data collection contributes to safety and effectiveness evidence for the U.S. Food and Drug Administration, quality evaluation for the ...
Full textLink to itemCite
Journal ArticleCirculation · June 20, 2023
Antiplatelet therapy is the mainstay of pharmacologic treatment to prevent thrombotic or ischemic events in patients with coronary artery disease treated with percutaneous coronary intervention and those treated medically for an acute coronary syndrome. Th ...
Full textLink to itemCite
Journal ArticleAm Heart J · April 2023
BACKGROUND: The mechanisms underlying the increased risk of bleeding that female patients with ST-segment Elevation Myocardial Infarction (STEMI) exhibit, remains unclear. The present report assessed sex-related differences in response to pre-hospital dual ...
Full textLink to itemCite
Journal ArticleInt J Cardiol · January 1, 2023
BACKGROUND: COMBO (OrbusNeich Medical, Hong Kong) is a dual-therapy coronary stent featuring sirolimus as antiproliferative drug and an anti-CD34+ antibody coating to attract endothelial progenitor cells favoring rapid stent re-endothelization. The Mega CO ...
Full textLink to itemCite
Journal ArticleEuroIntervention · December 2, 2022
BACKGROUND: Prior coronary artery bypass graft surgery (CABG) patients undergoing percutaneous coronary intervention (PCI) are often older and present with multiple comorbidities. Ticagrelor monotherapy after a short course of dual antiplatelet therapy (DA ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · December 2022
INTRODUCTION: The COVID-19 pandemic had an unprecedented impact on cardiovascular clinical research. The decision-making and state of study operations in cardiovascular trials 1-year after interruption has not been previously described. METHODS: In the spr ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · October 24, 2022
In the United States, the frequency of using percutaneous mechanical circulatory support devices for acute myocardial infarction complicated by cardiogenic shock is increasing. These devices require large-bore vascular access to provide left, right, or biv ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · October 10, 2022
BACKGROUND: There is a paucity of data regarding the safety and efficacy of different antiplatelet regimens according to standardized body mass index (BMI) categories. OBJECTIVES: The aim of this study was to investigate bleeding and ischemic outcomes acco ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2022
The present research letter reports the 1-year clinical outcomes of the randomized COMPARE CRUSH trial, which allocated STEMI patients at first medical contact in the ambulance to receive either crushed or integral tablets of prasugrel loading dose. This t ...
Full textLink to itemCite
Journal ArticleEur Heart J Cardiovasc Pharmacother · September 29, 2022
AIMS: We aimed to evaluate the treatment effects of ticagrelor monotherapy in the very high risk cohort of patients with concomitant diabetes mellitus (DM) and chronic kidney disease (CKD) undergoing percutaneous coronary intervention (PCI). METHODS AND RE ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 5, 2022
The Bifurcation Academic Research Consortium (Bif-ARC) project originated from the need to overcome the paucity of standardization and comparability between studies involving bifurcation coronary lesions. This document is the result of a collaborative effo ...
Full textLink to itemCite
Journal ArticleAm Heart J · July 2022
BACKGROUND: Severe coronary artery calcification has been associated with stent underexpansion, procedural complications, and increased rates of early and late adverse clinical events in patients undergoing percutaneous coronary intervention. To date, no l ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · April 11, 2022
Transcatheter aortic valve replacement (TAVR) is the standard of care for severe, symptomatic aortic stenosis. Real-world TAVR data collection contributes to benefit/risk assessment and safety evidence for the U.S. Food and Drug Administration, quality eva ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · April 2022
Effective treatment strategies and medical devices continue to be needed in Japan and the United States of America (US) to mitigate the growing burden of cardiovascular disease and coronary heart disease. Unfortunately, there can be a delay in gaining card ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · April 2022
BACKGROUND: The risk/benefit tradeoff of dual antiplatelet therapy after percutaneous coronary intervention may vary in East Asian patients as compared with their non-East Asian counterparts. METHODS: The double-blind, placebo-controlled, randomized TWILIG ...
Full textLink to itemCite
Journal ArticleEuroIntervention · March 18, 2022
BACKGROUND: In the TWILIGHT trial, ticagrelor monotherapy after a short course of dual antiplatelet therapy (DAPT) was shown to be a safe bleeding avoidance strategy in high-risk patients undergoing percutaneous coronary intervention (PCI) with drug-elutin ...
Full textLink to itemCite
Journal ArticleCirculation · March 15, 2022
The clinical implications of hypertension in addition to a high prevalence of both uncontrolled blood pressure and medication nonadherence promote interest in developing device-based approaches to hypertension treatment. The expansion of device-based thera ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · February 14, 2022
OBJECTIVES: The aim of this study was to evaluate if patients with prior myocardial infarction (MI) could benefit from ticagrelor monotherapy in terms of bleeding reduction without any compromise in ischemic event prevention. BACKGROUND: Patients with hist ...
Full textLink to itemCite
Journal ArticleCirc Heart Fail · January 2022
BACKGROUND: Regulatory and clinical decisions involving health technologies require judgements about relative importance of their expected benefits and risks. We sought to quantify heart-failure patients' acceptance of therapeutic risks in exchange for imp ...
Full textLink to itemCite
Journal ArticleBMJ Surg Interv Health Technol · 2022
Obesity continues to be a major public health issue, with more than two-thirds of adults in the USA categorized as overweight or obese. Bariatric surgery is effective and yields durable weight loss; however, few qualified candidates choose to undergo surgi ...
Full textOpen AccessLink to itemCite
Journal ArticleEur Heart J · December 1, 2021
AIMS: The aim of this study was to assess the impact of chronic kidney disease (CKD) on the safety and efficacy of ticagrelor monotherapy among patients undergoing percutaneous coronary intervention (PCI). METHODS AND RESULTS: In this prespecified subanaly ...
Full textLink to itemCite
Journal ArticleEur Heart J · December 1, 2021
AIMS: Patients at high bleeding risk (HBR) represent a prevalent subgroup among those undergoing percutaneous coronary intervention (PCI). Early aspirin discontinuation after a short course of dual antiplatelet therapy (DAPT) has emerged as a bleeding avoi ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · November 23, 2021
BACKGROUND: The optimal duration of dual antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) among patients at high bleeding risk (HBR) is unknown. OBJECTIVES: The purpose of this analysis was to compare 1 vs 3 months of DAPT in HBR ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · November 15, 2021
OBJECTIVE: To investigate the impact of ischemic and bleeding risk factors on long-term clinical outcomes of patients with diabetes mellitus (DM) undergoing percutaneous coronary intervention (PCI) with everolimus-eluting stents. BACKGROUND: Second-generat ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · September 13, 2021
OBJECTIVES: The aim of this study was to evaluate 2 abbreviated dual-antiplatelet therapy (DAPT) regimens in patients at high bleeding risk (HBR) undergoing percutaneous coronary intervention (PCI). BACKGROUND: Current-generation drug-eluting stents are pr ...
Full textLink to itemCite
Journal ArticleJAMA Cardiol · September 1, 2021
IMPORTANCE: Shortened dual antiplatelet therapy followed by potent P2Y12 receptor inhibitor monotherapy reduces bleeding without increasing ischemic events after percutaneous coronary intervention (PCI). OBJECTIVE: To explore sex differences and evaluate t ...
Full textLink to itemCite
Journal ArticleJ Thromb Thrombolysis · August 2021
Data on ischemic and bleeding outcomes after percutaneous coronary intervention (PCI) in high bleeding risk (HBR) patients with chronic kidney disease (CKD) are scarce. We aimed to evaluate the association between CKD and ischemic and bleeding outcomes in ...
Full textLink to itemCite
Journal ArticleJACC. Cardiovascular interventions · July 2021
ObjectivesThe aim of this study was to assess the impact of age on the safety and efficacy of ticagrelor monotherapy after percutaneous coronary intervention (PCI).BackgroundAs the risk for bleeding and ischemic complications after PCI in ...
Full textCite
Journal ArticleJACC Cardiovasc Interv · June 28, 2021
OBJECTIVES: This study sought to compare the pharmacodynamic effects of pre-hospitally administered P2Y12 inhibitor prasugrel in crushed versus integral tablet formulation in patients with ST-segment elevation myocardial infarction (STEMI) undergoing prima ...
Full textLink to itemCite
Journal ArticleEuroIntervention · June 25, 2021
BACKGROUND: More effective and progressively safer generations of drug-elut-ing stents (DES) have replaced bare metal stents (BMS) in rou-tine clinical practice. However, patients considered to be at high bleeding risk (HBR) have traditionally been underre ...
Full textLink to itemCite
Journal ArticleJ Vasc Surg · May 2021
BACKGROUND: The Superficial Femoral Artery-Popliteal EvidencE Development Study Group developed contemporary objective performance goals (OPGs) for peripheral vascular interventions (PVI) for superficial femoral artery (SFA)-popliteal artery disease using ...
Full textLink to itemCite
Journal ArticleJAMA Cardiol · April 1, 2021
IMPORTANCE: Patients who are candidates for percutaneous coronary intervention (PCI) and are at high bleeding risk constitute a therapeutic challenge because they often also face an increased risk of thrombotic complications. OBJECTIVES: To develop and val ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · February 22, 2021
OBJECTIVES: The aim of this study was to compare ticagrelor monotherapy with dual-antiplatelet therapy (DAPT) after percutaneous coronary intervention (PCI) with drug-eluting stents. BACKGROUND: The role of abbreviated DAPT followed by an oral P2Y12 inhibi ...
Full textLink to itemCite
Journal ArticleJ Am Heart Assoc · February 16, 2021
BACKGROUND The long-term safety of paclitaxel-coated devices (PCDs; drug-coated balloon or drug-eluting stent) for peripheral endovascular intervention is uncertain. We used data from the Veterans Health Administration to evaluate the association between P ...
Full textLink to itemCite
Journal ArticleCirculation · February 2, 2021
Over the past 2 decades, chronic total occlusion (CTO) percutaneous coronary intervention has developed into its own subspecialty of interventional cardiology. Dedicated terminology, techniques, devices, courses, and training programs have enabled progress ...
Full textLink to itemCite
Journal ArticleAm Heart J · February 2021
The Registry Assessment of Peripheral Devices (RAPID) convened a multidisciplinary group of stakeholders including clinicians, academicians, regulators and industry representatives to conduct an in-depth review of limitations associated with the data avail ...
Full textLink to itemCite
Journal ArticleCirculation · December 15, 2020
BACKGROUND: Early treatment with a potent oral platelet P2Y12 inhibitor is recommended in patients presenting with ST-segment-elevation myocardial infarction scheduled to undergo primary percutaneous coronary intervention (pPCI). The impact on coronary rep ...
Full textLink to itemCite
Journal ArticleEur J Heart Fail · December 2020
The Heart Failure Academic Research Consortium is a partnership between the Heart Failure Collaboratory (HFC) and Academic Research Consortium (ARC), comprised of leading heart failure (HF) academic research investigators, patients, United States (US) Food ...
Full textLink to itemCite
Journal ArticleJACC. Heart failure · December 2020
The Heart Failure Academic Research Consortium is a partnership between the Heart Failure Collaboratory (HFC) and Academic Research Consortium (ARC), comprised of leading heart failure (HF) academic research investigators, patients, United States (US) Food ...
Full textCite
Journal ArticleTher Innov Regul Sci · November 2020
Elevated blood pressure increases the risk of adverse cardiovascular events and death. Accordingly, characterizing the off-target blood pressure effects of drugs is an important component of regulatory benefit-risk assessment and post-marketing clinical de ...
Full textLink to itemCite
Journal ArticleEuropean heart journal · October 2020
AimsThe aim of this study was to determine the effect of ticagrelor monotherapy on clinically relevant bleeding and major ischaemic events in relation to clinical presentation with and without non-ST elevation acute coronary syndromes (NSTE-ACS) a ...
Full textCite
Journal ArticleJ Am Coll Cardiol · September 22, 2020
Investigating the balance of risk for thrombotic and bleeding events after percutaneous coronary intervention (PCI) is especially relevant for patients at high bleeding risk (HBR). The Academic Research Consortium for HBR recently proposed a consensus defi ...
Full textLink to itemCite
Journal ArticleJ Cardiovasc Pharmacol · August 2020
OBJECTIVE: The natural molecule α-lipoic acid has been shown to be partially cytoprotective through antioxidant and antiapoptotic mechanisms. To obtain an initial assessment of the safety and potential efficacy of a synthetic derivative, CMX-2043, in preve ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · June 2, 2020
BACKGROUND: Bleeding following percutaneous coronary intervention has important prognostic implications. The Academic Research Consortium (ARC) recently proposed a list of clinical criteria to define patients at high bleeding risk (HBR). OBJECTIVES: This s ...
Full textLink to itemCite
Journal ArticleAm Heart J · June 2020
BACKGROUND: Dual antiplatelet therapy constitutes the cornerstone of medical treatment in patients with ST elevation myocardial infarction (STEMI). However, oral antiplatelet agents, such as prasugrel or ticagrelor, are characterized by slow gastrointestin ...
Full textLink to itemCite
Journal ArticleAm Heart J · May 2020
BACKGROUND: The evolution and clinical impact of cardiac remodeling after large ST-elevation myocardial infarction (STEMI) is not well delineated in the current therapeutic era. METHODS: The PRESERVATION I trial longitudinally assessed cardiac structure an ...
Full textLink to itemCite
Journal ArticleJ Am Heart Assoc · April 7, 2020
Background Women have been associated with higher rates of recurrent events after percutaneous coronary intervention than men, possibly attributable to advanced age at presentation and greater comorbidities. These factors also put women at higher risk of b ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · April 2020
BACKGROUND: Whether the underlying risk of bleeding influences the associations between patterns of dual antiplatelet therapy (DAPT) cessation and adverse events after percutaneous coronary intervention is unknown. METHODS: Patients enrolled in the prospec ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · April 2020
BACKGROUND: High bleeding risk (HBR) patients undergoing percutaneous coronary intervention have been widely excluded from randomized device registration trials. The LF study (LEADERS FREE) reported superior outcomes of HBR patients receiving 30-day dual a ...
Full textLink to itemCite
Journal ArticleCirculation · March 17, 2020
BACKGROUND: Long-term outcomes in patients at high bleeding risk (HBR) undergoing percutaneous coronary intervention with a drug-eluting stent are unclear. Therefore, we aimed to evaluate long-term adverse events in HBR patients undergoing percutaneous cor ...
Full textLink to itemCite
Journal ArticleEuroIntervention · January 17, 2020
Percutaneous coronary intervention with implantation of drug-eluting stents has become the most commonly performed revascularisation procedure in patients with symptomatic coronary artery disease. Continuous iterations of coronary devices incorporating cha ...
Full textLink to itemCite
Journal ArticleESC Heart Fail · December 2019
AIMS: We sought to better understand the role of percutaneous coronary intervention (PCI) in patients with stable coronary artery disease (CAD) and moderate or severe left ventricular systolic dysfunction. METHODS AND RESULTS: Using data from the Duke Data ...
Full textOpen AccessLink to itemCite
Journal ArticleAm Heart J · December 2019
Advanced age is directly related to worse outcomes following ST-elevation myocardial infarction (STEMI) and higher complication rates from antithrombotic therapies and primary percutaneous coronary intervention (PCI). Often excluded from clinical trials, s ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · December 2019
BACKGROUND: The Food and Drug Administration's Center for Drugs and Radiological Health issued Guidance in 2016 on generating patient preference information to aid evaluation of medical devices. Consistent with this guidance, we aimed to provide quantitati ...
Full textLink to itemCite
Journal ArticleN Engl J Med · November 21, 2019
BACKGROUND: Monotherapy with a P2Y12 inhibitor after a minimum period of dual antiplatelet therapy is an emerging approach to reduce the risk of bleeding after percutaneous coronary intervention (PCI). METHODS: In a double-blind trial, we examined the effe ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · October 22, 2019
BACKGROUND: Increased pre-hospital delay during acute coronary syndrome (ACS) events contributes to worse outcome. OBJECTIVES: The purpose of this study was to assess the effectiveness of an implanted cardiac monitor with real-time alarms for abnormal ST-s ...
Full textLink to itemCite
Journal ArticleThromb Haemost · October 2019
BACKGROUND: Data on geographical variations in dual antiplatelet therapy (DAPT) cessation and the impact on outcomes after percutaneous coronary intervention (PCI) are limited. We sought to evaluate geographical patterns of DAPT cessation and associated ou ...
Full textLink to itemCite
Journal ArticleEur Heart J · August 14, 2019
Identification and management of patients at high bleeding risk undergoing percutaneous coronary intervention are of major importance, but a lack of standardization in defining this population limits trial design, data interpretation, and clinical decision ...
Full textLink to itemCite
Journal ArticleCirculation · July 16, 2019
Identification and management of patients at high bleeding risk undergoing percutaneous coronary intervention are of major importance, but a lack of standardization in defining this population limits trial design, data interpretation, and clinical decision ...
Full textLink to itemCite
Journal ArticleClin Res Cardiol · June 2019
BACKGROUND: The disruption of dual antiplatelet therapy (DAPT) due to non-compliance or bleeding is known to significantly increase the risk of adverse outcomes after percutaneous coronary intervention (PCI). However, it is currently unknown if there are d ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · May 27, 2019
OBJECTIVES: The aim of this study was to examine the association between dual-antiplatelet therapy (DAPT) cessation and cardiovascular risk after percutaneous coronary intervention in relation to age. BACKGROUND: Examination of outcomes by age after percut ...
Full textLink to itemCite
Journal ArticleJAMA Netw Open · May 3, 2019
IMPORTANCE: Postoperative atrial fibrillation (POAF) is a well-known complication after cardiac surgery. Renin-angiotensin system inhibitors (RASIs) have been suggested as an upstream therapy for selected patients with AF; however, evidence in the surgical ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · May 2019
BACKGROUND: SAFE-PCI for Women (Study of Access Site for Enhancement of PCI for Women), a randomized controlled trial comparing radial and femoral access in women undergoing cardiac catheterization or percutaneous coronary intervention (PCI), was terminate ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · April 23, 2019
Featured Publication
BACKGROUND: Symptoms remain a poor prompt for acute coronary syndromes (ACS). Timely restoration of perfusion in ST-segment elevation myocardial infarction is associated with improved left ventricular function and survival. OBJECTIVES: This report details ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · April 2019
BACKGROUND: Anemia is a well-recognized risk factor for both bleeding and ischemic events after percutaneous coronary intervention (PCI). We sought to determine the impact of baseline anemia on dual antiplatelet therapy (DAPT) cessation patterns ≤2 years a ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 1, 2019
The aim of this study was to examine the patterns and clinical impact of differing modes of dual-antiplatelet therapy (DAPT) cessation after percutaneous coronary intervention (PCI) in patients presenting with and without acute coronary syndromes (ACS). Th ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Qual Outcomes · January 2019
BACKGROUND: Balancing ischemic and bleeding risk is an evolving framework. METHODS AND RESULTS: Our objectives were to simulate changes in risks for adverse events and event-driven costs with use of ticagrelor or prasugrel versus clopidogrel according to v ...
Full textLink to itemCite
Journal ArticleBMJ Surg Interv Health Technol · 2019
BACKGROUND: The Transcatheter Valve Therapy (TVT) Coordinated Registry Network (CRN) supported 23 regulatory decisions and ensured evidence-based evaluation of the application of TVT technology. However, there are cost concerns that require value assessmen ...
Full textLink to itemCite
Journal ArticleAm Heart J · December 2018
BACKGROUND: Regulatory decisions approving new coronary drug-eluting stent (DES) require mechanistic observations of angiographic late lumen loss (LLL). Patient safety and device approval times could be enhanced if angiographic follow-up data were found to ...
Full textLink to itemCite
Journal ArticleInt J Cardiol · November 15, 2018
BACKGROUND: The presence of reperfusion ventricular arrhythmias (VA) has been shown to correlate with larger infarct size (IS). However it is unclear whether the initial area at risk (AAR), also a determining factor for IS, is responsible for this correlat ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 15, 2018
The impact of dual antiplatelet therapy (DAPT) cessation after percutaneous coronary intervention with drug eluting stent implantation in patients at high atherothrombotic risk remains unclear. We aimed to characterize the risk for adverse events, and its ...
Full textLink to itemCite
Journal ArticleCirc Res · August 3, 2018
Although clinical trials of cell-based approaches to cardiovascular disease have yielded some promising results, no cell-based therapy has achieved regulatory approval for a cardiovascular indication. To broadly assess the challenges to regulatory approval ...
Full textLink to itemCite
Journal ArticleAm Heart J · August 2018
Sudden cardiac death in the young (SCDY) spans gender, race, ethnicity, and socioeconomic class. The loss of any pediatric patient is a matter of national and international public health concern, and focused efforts should be aimed at preventing these burd ...
Full textLink to itemCite
Journal ArticleEur Heart J · July 7, 2018
AIMS: Harmonized Assessment by Randomized Multicentre Study of OrbusNEich's Combo StEnt (HARMONEE) (NCT02073565) was a randomized pivotal registration trial of the Combo stent, which combined sirolimus and an abluminal bioabsorbable polymer with a novel en ...
Full textLink to itemCite
Journal ArticleEur Heart J · June 14, 2018
The Academic Research Consortium (ARC)-2 initiative revisited the clinical and angiographic end point definitions in coronary device trials, proposed in 2007, to make them more suitable for use in clinical trials that include increasingly complex lesion an ...
Full textLink to itemCite
Journal ArticleCirculation · June 12, 2018
The Academic Research Consortium (ARC)-2 initiative revisited the clinical and angiographic end point definitions in coronary device trials, proposed in 2007, to make them more suitable for use in clinical trials that include increasingly complex lesion an ...
Full textLink to itemCite
Journal ArticleLancet · May 19, 2018
BACKGROUND: Few studies have examined the efficacy of drug-eluting stents (DES) for reducing aortocoronary saphenous vein bypass graft (SVG) failure compared with bare-metal stents (BMS) in patients undergoing stenting of de-novo SVG lesions. We assessed t ...
Full textLink to itemCite
Journal ArticleEur Heart J · May 14, 2018
Surgical and catheter-based cardiovascular procedures and adjunctive pharmacology have an inherent risk of neurological complications. The current diversity of neurological endpoint definitions and ascertainment methods in clinical trials has led to uncert ...
Full textLink to itemCite
Journal ArticleEur Heart J Acute Cardiovasc Care · April 2018
AIMS: Ventricular arrhythmia (VA) bursts following recanalisation in acute ST-elevation myocardial infarction (STEMI) are related to larger infarct size (IS). Inadequate microvascular reperfusion, as determined by microvascular obstruction (MVO) using card ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · March 2018
BACKGROUND: Patients with chronic kidney disease (CKD) experience high rates of ischemic and bleeding events after percutaneous coronary intervention (PCI), complicating decisions surrounding dual antiplatelet therapy (DAPT). This study aims to determine t ...
Full textLink to itemCite
Journal ArticleJ Vasc Surg · February 2018
OBJECTIVE: The current state of evaluating patients with peripheral artery disease and more specifically of evaluating medical devices used for peripheral vascular intervention (PVI) remains challenging because of the heterogeneity of the disease process, ...
Full textLink to itemCite
Journal ArticleCirc J · January 25, 2018
BACKGROUND: The current state of evaluating patients with peripheral artery disease and more specifically of evaluating medical devices used for peripheral vascular intervention (PVI) remains challenging because of the heterogeneity of the disease process, ...
Full textLink to itemCite
Journal ArticleThe Journal of invasive cardiology · January 2018
ObjectivesThis study was conducted to determine the association between radial access, guided femoral access, and non-guided femoral access on postprocedural bleeding and vascular complications after percutaneous coronary intervention (PCI).Ba ...
Cite
Journal ArticleHealthc (Amst) · December 2017
The Medical Device Epidemiology Network (MDEpiNet) is a public private partnership (PPP) that provides a platform for collaboration on medical device evaluation and depth of expertise for supporting pilots to capture, exchange and use device information fo ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · December 2017
OBJECTIVES: We sought to characterize how the perceived risk of early dual antiplatelet therapy (DAPT) discontinuation is incorporated into operator decision-making regarding stent choice, using a simple pre-procedure survey screening for clinical variable ...
Full textOpen AccessLink to itemCite
Journal ArticleAm Heart J · December 2017
This white paper provides a summary of the presentations and discussions from a think tank on "Enabling Social Listening for Cardiac Safety Monitoring" trials that was cosponsored by the Drug Information Association and the Cardiac Safety Research Consorti ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · September 2017
BACKGROUND: Elevated white blood cell (WBC) count is associated with increased major adverse cardiovascular events (MACE) in the setting of acute coronary syndrome. The aim of this study was to evaluate whether similar associations persist in an all-comers ...
Full textLink to itemCite
Journal ArticleAm Heart J · August 2017
This White Paper, prepared by members of the Cardiac Safety Research Consortium, discusses important issues regarding sudden cardiac death in the young (SCDY), a problem that does not discriminate by gender, race, ethnicity, education, socioeconomic level, ...
Full textLink to itemCite
Journal ArticleAm Heart J · July 2017
UNLABELLED: MitraClip is an approved therapy for mitral regurgitation (MR); however, health care resource utilization pre- and post-MitraClip remains understudied. METHODS: Patients with functional and degenerative MR at high surgical risk in the EVEREST I ...
Full textLink to itemCite
Journal ArticleAm Heart J · May 2017
Tissue trauma associated with stent implantation continues to generate early thrombosis rates of 0.9% to 1.3% for both bare-metal and drug-eluting stent platforms. The Combo sirolimus-eluting stent combines an abluminal, bioabsorbable polymer with a lumina ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · April 10, 2017
OBJECTIVES: The aim of this study was to examine the frequency and clinical impact of different cessation patterns of dual-antiplatelet therapy (DAPT) after percutaneous coronary intervention with drug-eluting stents among patients with and those without d ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · February 14, 2017
Surgical and catheter-based cardiovascular procedures and adjunctive pharmacology have an inherent risk of neurological complications. The current diversity of neurological endpoint definitions and ascertainment methods in clinical trials has led to uncert ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2017
AIMS: ST-segment recovery (STR) is a strong mechanistic correlate of infarct size (IS) and outcome in ST-segment elevation myocardial infarction (STEMI). Characterizing measures of speed, amplitude, and completeness of STR may extend the use of this noninv ...
Full textLink to itemCite
Journal ArticleAm Heart J · December 2016
BACKGROUND: The contemporary evaluation of novel drug-eluting stents (DES) includes mechanistic observations that characterize postdeployment stent behavior. Quantification of late lumen loss due to neointimal hyperplasia 8-13 months after stent implantati ...
Full textLink to itemCite
Journal ArticleAm Heart J · December 2016
BACKGROUND: Dual antiplatelet therapy (DAPT) is necessary to prevent thrombosis yet increases bleeding after percutaneous coronary intervention (PCI) with drug-eluting stents (DES). Antiplatelet monotherapy with a potent P2Y12 receptor antagonist may reduc ...
Full textLink to itemCite
Journal ArticleJAMA Pediatr · December 1, 2016
IMPORTANCE: The timing and selection of patients with Kawasaki disease for corticosteroid use to prevent coronary artery complications remain controversial. OBJECTIVE: To evaluate the effect of corticosteroid therapy in KD. DATA SOURCES: Databases of Medli ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · October 25, 2016
Large randomized clinical trials in cardiovascular disease have proliferated over the past 3 decades, with results that have influenced every aspect of cardiology practice. Despite these advances, there remains a substantial need for more high-quality evid ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · August 16, 2016
BACKGROUND: Bioabsorbable cardiac matrix (BCM) is a novel device that attenuates adverse left ventricular (LV) remodeling after large myocardial infarctions in experimental models. OBJECTIVES: This study aimed to analyze whether BCM, compared with saline c ...
Full textLink to itemCite
Journal ArticleClin Res Cardiol · August 2016
BACKGROUND: Pacing-modes selection in sinus-node-dysfunction (SND) patients continues to be a subject of debate. Atrial fibrillation (AF) and cardiac dysfunction remain significant problems following cardiac-pacing therapy. Prevention of these complication ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · July 25, 2016
OBJECTIVES: The aim of this study was to provide a quantitative appraisal of the effects on clinical outcomes of radial access for coronary interventions in patients with coronary artery disease (CAD). BACKGROUND: Randomized trials investigating radial ver ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · July 25, 2016
OBJECTIVES: The aim of this study was to compare the incidence and impact of cessation of dual-antiplatelet therapy (DAPT) in women and men treated with percutaneous coronary intervention. BACKGROUND: Nonadherence to cardiovascular medications and female s ...
Full textLink to itemCite
Journal ArticleAnn Intern Med · July 19, 2016
BACKGROUND: PROMISE (PROspective Multicenter Imaging Study for Evaluation of Chest Pain) found that initial use of at least 64-slice multidetector computed tomography angiography (CTA) versus functional diagnostic testing strategies did not improve clinica ...
Full textOpen AccessLink to itemCite
Journal ArticleJACC Cardiovasc Interv · July 11, 2016
OBJECTIVES: The aim of this study was to examine the independent associations between actionable bleeding (AB) and coronary thrombotic events (CTE) on mortality risk after percutaneous coronary intervention (PCI). BACKGROUND: The independent impact of AB a ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · July 2016
BACKGROUND: The Xience V USA Study demonstrated safety and efficacy of the XIENCE V(®) everolimus-eluting stent (EES) in a large, prospective study of a real-world, unselected patient population. There is limited long-term data regarding EES performance in ...
Full textLink to itemCite
Journal ArticleAm Heart J · July 2016
The Cardiac Safety Research Consortium (CSRC), a transparent, public-private partnership established in 2005 as a Critical Path Program and formalized in 2006 under a Memorandum of Understanding between the United States Food and Drug Administration and Du ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · May 17, 2016
BACKGROUND: Dual-antiplatelet therapy with aspirin and clopidogrel after percutaneous coronary intervention reduces the risk for coronary thrombotic events (CTEs) at the expense of increasing risk for major bleeding (MB). Metrics to accurately predict the ...
Full textLink to itemCite
Journal ArticleStat Methods Med Res · April 2016
We propose a novel likelihood method for analyzing time-to-event data when multiple events and multiple missing data intervals are possible prior to the first observed event for a given subject. This research is motivated by data obtained from a heart moni ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · January 25, 2016
OBJECTIVES: The purpose of this study was to characterize outcomes for everolimus-eluting stent (EES)-treated subjects according to treatment with continued thienopyridine plus aspirin versus aspirin alone 12 to 30 months after stenting. BACKGROUND: In the ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 2016
The MDEpiNet is a public-private partnership between the US Food and Drug Administration's Center for Devices and Radiological Health and participating partners. The PASSION program is an MDEpiNet-sponsored program that aims to demonstrate the goals of MDE ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2016
OBJECTIVE: We hypothesized that ventricular arrhythmia (VA) bursts during reperfusion phase are a marker of larger infarct size despite optimal epicardial and microvascular perfusion. METHODS: 126 STEMI patients were studied with 24h continuous, 12-lead Ho ...
Full textLink to itemCite
Journal ArticleContemp Clin Trials · January 2016
Novel approaches to observational studies and clinical trials could improve the cost-effectiveness and speed of translation of research. Hybrid designs that combine elements of clinical trials with observational registries or cohort studies should be consi ...
Full textLink to itemCite
Journal ArticleAm Heart J · November 2015
BACKGROUND: We compared 30-day and 1-year survival among high-risk mitral regurgitation (MR) patients treated with the MitraClip (Abbott Vascular, Abbott Park, IL) with matched non-surgically treated patients from the Duke Echocardiography Laboratory Datab ...
Full textLink to itemCite
Journal ArticleAm Heart J · November 2015
Postinfarction left ventricular (LV) remodeling can result in chronic heart failure and functional impairment. Although pharmacological strategies for established heart failure can be beneficial, preventing remodeling remains a challenge. Injectable bioabs ...
Full textLink to itemCite
Journal ArticleInt J Cardiol · September 15, 2015
BACKGROUND: Early reperfusion of ischemic myocytes is essential for optimal salvage in acute myocardial infarction. VA (ventricular arrhythmia) bursts after recanalization of the culprit vessel have been found to be related to larger infarct size (IS), usi ...
Full textLink to itemCite
Journal ArticleEur Heart J · August 1, 2015
Mitral regurgitation (MR) is one of the most prevalent valve disorders and has numerous aetiologies, including primary (organic) MR, due to underlying degenerative/structural mitral valve (MV) pathology, and secondary (functional) MR, which is principally ...
Full textLink to itemCite
Journal ArticleAm Heart J · August 2015
BACKGROUND: In the SAFE-PCI for Women trial, patient preference for radial access for future procedures was greater than for femoral access. We sought to assess whether radial or femoral access impacts formal measures of quality-of-life (QOL) among women u ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 21, 2015
Mitral regurgitation (MR) is one of the most prevalent valve disorders and has numerous etiologies, including primary (organic) MR, due to underlying degenerative/structural mitral valve (MV) pathology, and secondary (functional) MR, which is principally c ...
Full textLink to itemCite
Journal ArticleJ Am Heart Assoc · July 6, 2015
BACKGROUND: Cardiovascular disease and cancer increasingly coexist, yet relationships between cancer and long-term cardiovascular outcomes post-percutaneous coronary intervention (PCI) are not well studied. METHODS AND RESULTS: We examined stented PCI pati ...
Full textOpen AccessLink to itemCite
Journal ArticleTher Innov Regul Sci · July 2015
Detection of off-target cardiovascular (CV) effects remains a significant challenge to drug development. Documentation of CV events in non-CV trials is often inadequate to interpret imbalances between treatment arms, which may lead to concerns about potent ...
Full textLink to itemCite
Journal ArticleN Engl J Med · June 18, 2015
BACKGROUND: Statin therapy reduces low-density lipoprotein (LDL) cholesterol levels and the risk of cardiovascular events, but whether the addition of ezetimibe, a nonstatin drug that reduces intestinal cholesterol absorption, can reduce the rate of cardio ...
Full textLink to itemCite
OtherAm Heart J · June 2015
This white paper provides a summary of presentations and discussions that were held at an Anticoagulant-Induced Bleeding and Reversal Agents Think Tank co-sponsored by the Cardiac Safety Research Consortium and the US Food and Drug Administration (FDA) at ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · May 2015
BACKGROUND: Whether premature dual antiplatelet therapy (DAPT) interruption is safe in patients receiving cobalt chromium everolimus-eluting stents remains controversial. We sought to examine the relationship between DAPT discontinuation and stent thrombos ...
Full textLink to itemCite
Journal ArticleN Engl J Med · April 2, 2015
BACKGROUND: Many patients have symptoms suggestive of coronary artery disease (CAD) and are often evaluated with the use of diagnostic testing, although there are limited data from randomized trials to guide care. METHODS: We randomly assigned 10,003 sympt ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · March 10, 2015
The lack of consistent definitions and nomenclature across clinical trials of novel devices, drugs, or biologics poses a significant barrier to accrual of knowledge in and across peripheral artery disease therapies and technologies. Recognizing this proble ...
Full textLink to itemCite
Journal ArticleEur Heart J Acute Cardiovasc Care · February 2015
AIMS: Establishing epicardial flow with percutaneous coronary intervention (PCI) for ST-segment elevation myocardial infarction (STEMI) is necessary but not sufficient to ensure nutritive myocardial reperfusion. We evaluated whether adding myocardial blush ...
Full textLink to itemCite
ConferenceAm Heart J · February 2015
BACKGROUND: Circulating levels of cardiac troponin I (cTnI) after ST-segment elevation myocardial infarction (STEMI) are associated with infarct size and chronic left ventricular dysfunction, but the relation to clinical end points and biochemical measures ...
Full textLink to itemCite
Journal ArticleN Engl J Med · December 4, 2014
BACKGROUND: Dual antiplatelet therapy is recommended after coronary stenting to prevent thrombotic complications, yet the benefits and risks of treatment beyond 1 year are uncertain. METHODS: Patients were enrolled after they had undergone a coronary stent ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2014
BACKGROUND: In the setting of ST-segment elevation myocardial infarction, timely restoration of normal blood flow is associated with improved myocardial salvage and survival. Despite improvements in door-to-needle and door-to-balloon times, there remains a ...
Full textLink to itemCite
Journal ArticleEur Heart J · October 1, 2014
AIMS: Delcasertib is a selective inhibitor of delta-protein kinase C (delta-PKC), which reduced infarct size during ischaemia/reperfusion in animal models and diminished myocardial necrosis and improved reperfusion in a pilot study during primary percutane ...
Full textLink to itemCite
Journal ArticleJ Invasive Cardiol · September 2014
BACKGROUND: Although percutaneous coronary intervention with everolimus-eluting stent (EES) implantation for native coronary artery disease has favorable results compared to first-generation drug-eluting stents, outcomes with EES for the treatment of in-st ...
Link to itemCite
Journal ArticleAm Heart J · August 2014
Significant improvements in door-to-balloon times have led to a reduction in mortality in ST-segment elevation myocardial infarction; however, mean symptom-to-door times remain at 2 to 3 hours. An intracardiac electrogram monitoring device may be beneficia ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · August 2014
OBJECTIVES: This study sought to determine the effect of radial access on outcomes in women undergoing percutaneous coronary intervention (PCI) using a registry-based randomized trial. BACKGROUND: Women are at increased risk of bleeding and vascular compli ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · July 1, 2014
OBJECTIVES: The purpose of this study was to evaluate the 1-year clinical outcomes of more complex XIENCE V USA real-world patients with small versus nonsmall vessel lesions. BACKGROUND: Patients with small vessel lesions undergoing coronary stent placemen ...
Full textLink to itemCite
Journal ArticleCirculation · June 3, 2014
BACKGROUND: Adoption of transradial percutaneous coronary intervention (TRI) in the United States is low and may be related to challenges learning the technique. We examined the relationships between operator TRI volume and procedural metrics and outcomes. ...
Full textLink to itemCite
Journal ArticleAm Heart J · June 2014
BACKGROUND: Suspected coronary artery disease (CAD) is one of the most common, potentially life-threatening diagnostic problems clinicians encounter. However, no large outcome-based randomized trials have been performed to guide the selection of diagnostic ...
Full textLink to itemCite
Journal ArticleJ Altern Complement Med · June 2014
The pharmaceutical industry has undergone a vast expansion in the 20th and 21st centuries. This article explores the central role now played by pills in clinical practice, but also in the public imagination. First, this article analyzes four properties tha ...
Full textLink to itemCite
Journal ArticleClinical cardiology · May 2014
The annual cost of heart failure (HF) is estimated at $39.2 billion. This has been acknowledged to underestimate the true costs for care. The objective of this analysis is to more accurately assess these costs. Publicly available data sources were used. Co ...
Full textCite
Journal ArticleCatheter Cardiovasc Interv · April 1, 2014
Bridging for antiplatelet therapy remains a subject of debate with data favoring GP blockers but at a risk of bleeding. This Conversation in Cardiology addresses a key and often asked question about use of alternatives to P2Y12 agents in patients requiring ...
Full textLink to itemCite
Journal ArticleHeart · February 2014
OBJECTIVE: Current literature shows there is widespread controversy regarding the indications and outcomes of using an intra-aortic balloon pump (IABP); furthermore, little is known about the late effects of IABP use. DESIGN: To determine whether IABP use ...
Full textLink to itemCite
Journal ArticleLancet · November 23, 2013
BACKGROUND: Dual antiplatelet therapy (DAPT) cessation increases the risk of adverse events after percutaneous coronary intervention (PCI). Whether risk changes over time, depends on the underlying reason for DAPT cessation, or both is unknown. We assessed ...
Full textLink to itemCite
Journal ArticleJ Cardiovasc Pharmacol · November 2013
Cangrelor is an intravenous P2Y12 inhibitor under investigation as an antiplatelet drug in the setting of acute coronary syndromes. To determine the electrophysiologic safety of parenteral cangrelor, cardiac repolarization effects were measured in 67 healt ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · October 1, 2013
OBJECTIVES: The objective of this analysis was to evaluate the safety and effectiveness of XIENCE V in acute myocardial infarction (AMI). BACKGROUND: The XIENCE V(®) Everolimus-eluting coronary stent was superior to the TAXUS(®) paclitaxel-eluting stent in ...
Full textLink to itemCite
Journal ArticleAm Heart J · September 2013
Women are at higher risk than men for bleeding and vascular complications after percutaneous coronary intervention (PCI). Compared with femoral access, radial access reduces these complications but may be more challenging in women because of higher rates o ...
Full textLink to itemCite
Journal ArticleEuropace · July 2013
AIMS: The purpose of this study was to evaluate the efficacy and safety of cardiac resynchronization plus implantable cardioverter defibrillator (CRT-D) therapy and implantable cardioverter defibrillator (ICD) therapy in treating heart failure by systemati ...
Full textLink to itemCite
Journal ArticleEur J Heart Fail · March 2013
AIMS: The aim of this study was to investigate the predictive ability of paced QRS duration (pQRSd) for heart failure events among patients receiving right ventricular apical pacing (RVAP). METHODS AND RESULTS: A total of 194 patients with complete atriove ...
Full textLink to itemCite
Journal ArticleAm Heart J · March 2013
Percutaneous coronary intervention (PCI) is an integral part of the treatment of coronary artery disease. The most common complication of PCI, bleeding, typically occurs at the vascular access site and is associated with short-term and long-term morbidity ...
Full textLink to itemCite
Journal ArticleCirc J · 2013
BACKGROUND: Global medical devices have become more popular, but investment money for medical device development is not easily available in the market. Worldwide health-care budget constraints mean that efficient medical device development has become essen ...
Full textLink to itemCite
Journal ArticleJ Thorac Cardiovasc Surg · January 2013
OBJECTIVES: The aim of the current Valve Academic Research Consortium (VARC)-2 initiative was to revisit the selection and definitions of transcatheter aortic valve implantation (TAVI) clinical endpoints to make them more suitable to the present and future ...
Full textLink to itemCite
Journal ArticleHeart · January 2013
OBJECTIVE: To summarise clinical trials that compared the incidence of coronary abnormality between intravenous immune globulin (IVIG) plus corticosteroid therapy and IVIG therapy alone, and to determine the overall efficacy and safety of IVIG plus cortico ...
Full textLink to itemCite
Journal ArticleJ Interv Cardiol · December 2012
OBJECTIVES: This 2-year follow-up of the XIENCE V USA study examines both the long-term safety and effectiveness of the everolimus-eluting coronary stent system (EECSS) in real-world patients. BACKGROUND: The safety and effectiveness of EECSS at 1 year in ...
Full textLink to itemCite
Journal ArticleEuroIntervention · November 22, 2012
OBJECTIVES: The aim of the current Valvular Academic Research Consortium (VARC)-2 initiative was to revisit the selection and definitions of transcatheter aortic valve implantation (TAVI)- clinical endpoints to make them more suitable to the present and fu ...
Full textLink to itemCite
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 ...
Full textCite
Journal ArticleEur J Cardiothorac Surg · November 2012
OBJECTIVES: The aim of the current Valve Academic Research Consortium (VARC)-2 initiative was to revisit the selection and definitions of transcatheter aortic valve implantation (TAVI) clinical endpoints to make them more suitable to the present and future ...
Full textLink to itemCite
Journal ArticleEuropace · November 2012
AIMS: To compare the improvement of quality of life (QoL) in cardiac resynchronization therapy plus implantable cardioverter defibrillator (CRT-D) therapy with that in implantable cardioverter defibrillator (ICD) therapy alone for patients with heart failu ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · October 9, 2012
OBJECTIVES: The aim of the current Valve Academic Research Consortium (VARC)-2 initiative was to revisit the selection and definitions of transcatheter aortic valve implantation (TAVI) clinical endpoints to make them more suitable to the present and future ...
Full textLink to itemCite
Journal ArticleEur Heart J · October 2012
OBJECTIVES: The aim of the current Valve Academic Research Consortium (VARC)-2 initiative was to revisit the selection and definitions of transcatheter aortic valve implantation (TAVI)clinical endpoints to make them more suitable to the present and future ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2012
Development of pediatric medications and devices is complicated by differences in pediatric physiology and pathophysiology (both compared with adults and within the pediatric age range), small patient populations, and practical and ethical challenges to de ...
Full textLink to itemCite
Journal ArticleJ Interv Card Electrophysiol · October 2012
PURPOSE: Rate- and rhythm control are two fundamental strategies to treat atrial fibrillation (AF). However, there are inconsistent results between clinical trials about which treatment should be preferred. The aims of this study were to systematically sum ...
Full textLink to itemCite
Journal ArticleJ Interv Card Electrophysiol · August 2012
PURPOSE: The purpose of this study was to compare the efficacy of focused ultrasound circumferential pulmonary vein ablation (CPVa) and BOX ablation (BOXa) in an acute atrial fibrillation (AF) model. METHODS: Twenty mongrel dogs were divided into either CP ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · August 1, 2012
OBJECTIVE: To systematically review all cases in the literature of erosion associated with atrial septal defect (ASD) occluder devices. BACKGROUND: Delayed erosion of the aortic or atrial wall is an infrequent but potentially lethal complication of percuta ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · July 2012
Barriers to medical device innovation compromise timelines and costs from bench to bedside. Fragmented strategies by individual competitors are no longer sustainable. Pragmatically focused pre-competitive collaboration across stakeholders approaches innova ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · June 2012
OBJECTIVES: The aim of this study was to identify predictors of clinical events after XIENCE V (Abbott Vascular, Santa Clara, California) stenting. BACKGROUND: The XIENCE V USA (XIENCE V Everolimus Eluting Coronary Stent System [EECSS] USA Post-Approval) s ...
Full textLink to itemCite
Journal ArticleAm Heart J · May 2012
BACKGROUND: The multimarker risk score, based on estimated glomerular filtration rate, glucose, and N-terminal probrain natriuretic peptide (NT-proBNP), has been shown to predict mortality in patients with ST-segment elevation myocardial infarction (STEMI) ...
Full textLink to itemCite
Journal ArticleAm Heart J · March 2012
BACKGROUND: The Cardiac Safety Research Consortium (CSRC) provides both "learning" and blinded "testing" digital electrocardiographic (ECG) data sets from thorough QT (TQT) studies annotated for submission to the US Food and Drug Administration (FDA) to de ...
Full textLink to itemCite
Journal ArticleHeadache · February 2012
OBJECTIVE: To evaluate the efficacy of telcagepant in patients with migraine and coronary artery disease. BACKGROUND: Calcitonin gene-related peptide receptor antagonists, such as telcagepant, may be useful for acute migraine treatment in patients with car ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2012
INTRODUCTION/BACKGROUND: Eighty-lead (80 L) body surface map (BSM) technology provides electrocardiogram data for the clinician to interpret. A BSM device also offers an automated interpretation. Little information is available about the performance of aut ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · 2012
BACKGROUND: Dedicated IVUS analyses of the second CObalt chromium STent with Antiproliferative for Restenosis (COSTAR II) trial have not been documented. We aim to compare IVUS findings between CoStar paclitaxel-eluting stent (PES) and Taxus PES in patient ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · December 2011
OBJECTIVES: The XIENCE V USA (XIENCE V Everolimus Eluting Coronary Stent System Condition-of-Approval Post-Market study) sought to: 1) evaluate the safety of everolimus-eluting coronary stent systems (EECSS) in a contemporary cohort of real-world subjects; ...
Full textLink to itemCite
Journal ArticleJ Altern Complement Med · September 2011
Modern medicine is often accused by diverse critics of being "too materialistic" and therefore insufficiently holistic and effective. Yet, this critique can be misleading, dependent upon the ambiguous meanings of "materialism." The term can refer to the pr ...
Full textLink to itemCite
Journal ArticleAm Heart J · July 2011
Drug-induced cardiac toxicity is a recognized challenge in development and implementation of pharmacotherapy. Appropriate biomarkers are needed to detect these abnormalities early in development and to manage the risk of potentially cardiotoxic drugs or bi ...
Full textLink to itemCite
Journal ArticleEur Heart J · July 2011
The European Commission announced in 2008 that a fundamental revision of the medical device directives is being considered in order to clarify and strengthen the current legal framework. The system for testing and approving devices in Europe was establishe ...
Full textLink to itemCite
Journal ArticleHeadache · June 2011
OBJECTIVE: The primary purpose of the study was to explore the safety and tolerability of telcagepant in patients with stable coronary artery disease. BACKGROUND: Triptans are effective acute anti-migraine drugs whose vasoconstrictive effects limit their u ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · May 2011
OBJECTIVES: This study sought to validate the sensitivity and specificity of the Academic Research Consortium's (ARC) classification of stent thrombosis. BACKGROUND: Classification of stent thrombosis according to ARC criteria has become widely accepted. T ...
Full textLink to itemCite
Journal ArticleDrug Information Journal · May 1, 2011
This is the first in a series of "Focus On" columns that will appear in the journal from time to time. Each column will present an overview of an academic center, not-for-profit organization, or public-private partnership in the health care domain. The Car ...
Full textCite
Journal ArticleCatheter Cardiovasc Interv · February 1, 2011
OBJECTIVE: We investigated whether the Quantitative Blush Evaluator (QuBE) value predicts functional and contrast-enhanced cardiovascular magnetic resonance (CMR) outcomes at 4-6 months after primary percutaneous coronary intervention (PCI) inpatients with ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · January 18, 2011
OBJECTIVES: To propose standardized consensus definitions for important clinical endpoints in transcatheter aortic valve implantation (TAVI), investigations in an effort to improve the quality of clinical research and to enable meaningful comparisons betwe ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · 2011
BACKGROUND: Angiographic and clinical outcomes associated with coronary stents eluting the new molecular entity zotarolimus have been well characterized in a variety of geographies and patient subsets. The Endeavor Japan study is the first prospective clin ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2011
BACKGROUND: The goal of this study is to determine the predictive value of ST-segment resolution (STR) early after percutaneous coronary intervention (PCI), late STR, and no STR for left ventricular ejection fraction (LVEF) and infarct size (IS) by cardiov ...
Full textLink to itemCite
Journal ArticleEur Heart J · January 2011
OBJECTIVES: To propose standardized consensus definitions for important clinical endpoints in transcatheter aortic valve implantation (TAVI), investigations in an effort to improve the quality of clinical research and to enable meaningful comparisons betwe ...
Full textLink to itemCite
Journal ArticleAm Heart J · December 2010
This document examines the formation, structure, and principles guiding the use of electrocardiogram (ECG) data sets obtained during thorough QT studies that have been derived from the ECG Warehouse of the Cardiac Safety Research Consortium (CSRC). These p ...
Full textLink to itemCite
Journal ArticleNeth Heart J · November 2010
BACKGROUND: Patients with ST-segment elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PCI) with the Proxis system (St. Jude Medical, St. Paul, MN, USA) achieved significantly better microvascular flow as meas ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2010
Although several randomized clinical trials have demonstrated the safety and efficacy of catheter ablation of atrial fibrillation (AF) in experienced centers, the outcomes of this procedure in routine clinical practice and in patients with persistent and l ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2010
Electrocardiographic monitoring is an integral component of the clinical assessment of cardiac safety of all compounds in development. The International Conference on Harmonization of Technical Requirements for Registration of Pharmaceuticals for Human Use ...
Full textLink to itemCite
Journal ArticleAcad Emerg Med · September 2010
BACKGROUND: The initial 12-lead (12L) electrocardiogram (ECG) has low sensitivity to detect myocardial infarction (MI) and acute coronary syndromes (ACS) in the emergency department (ED). Yet, early therapies in these patients have been shown to improve ou ...
Full textLink to itemCite
Journal ArticleJ Altern Complement Med · August 2010
BACKGROUND: Seniors age 65 and older represent the fastest-growing sector of the population and, like many Americans, are increasingly drawn to yoga. This presents both an extraordinary opportunity and a serious challenge for yoga instructors who must be b ...
Full textOpen AccessLink to itemCite
Journal ArticleAm Heart J · May 2010
This white paper, prepared by members of the Cardiac Safety Research Consortium, discusses several important issues regarding the evaluation of ventricular arrhythmias in early clinical pharmacology trials and their potential consequences for later clinica ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · April 15, 2010
The purpose of the present study was to determine the prognostic value of N-terminal pro-brain natriuretic peptide (NT-pro-BNP), among other serum biomarkers, on cardiac magnetic resonance (CMR) imaging parameters of cardiac function and infarct size in pa ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · April 1, 2010
OBJECTIVES: The aim of the study was to evaluate whether the "Quantitative Blush Evaluator" (QuBE) score is associated with measures of myocardial reperfusion in patients with ST-segment elevation myocardial infarction (STEMI) treated in two hospitals with ...
Full textLink to itemCite
Journal ArticleAm Heart J · March 2010
BACKGROUND: Relationships between long-term use and level of dual antiplatelet therapy and outcomes after drug-eluting stent implantation are not well established. METHODS: This is a retrospective cohort study of 9,256 patients receiving drug-eluting stent ...
Full textLink to itemCite
Journal ArticleHeart · February 2010
OBJECTIVES: The aim of the study was to evaluate whether primary percutaneous coronary intervention (PCI) with combined proximal embolic protection and thrombus aspiration results in smaller final infarct size and improved left ventricular function assesse ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 2010
Atrial fibrillation (AF) is a major public health problem in the United States that is associated with increased mortality and morbidity. Of the therapeutic modalities available to treat AF, the use of percutaneous catheter ablation of AF is expanding rapi ...
Full textLink to itemCite
Journal ArticleHeart Rhythm · January 2010
BACKGROUND: Sudden cardiac arrest is a leading cause of death in industrialized countries, and ischemic ventricular fibrillation (VF) is a frequent cause. OBJECTIVE: The purpose of this study was to determine whether patients with ST elevation myocardial i ...
Full textLink to itemCite
Journal ArticleAnn Emerg Med · December 2009
STUDY OBJECTIVE: Although 80-lead ECG body surface mapping is more sensitive for ST-elevation myocardial infarction (STEMI) than the 12-lead ECG, its clinical utility in chest pain in the emergency department (ED) has not been studied. We sought to determi ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Interv · October 2009
BACKGROUND: Myocardial salvage is often suboptimal after percutaneous coronary intervention in ST-segment elevation myocardial infarction. Posthoc subgroup analysis from a previous trial (AMIHOT I) suggested that intracoronary delivery of supersaturated ox ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · October 2009
OBJECTIVES: The purpose of this study was to evaluate the effectiveness of combined proximal embolic protection with thrombus aspiration (Proxis Embolic Protection System [St. Jude Medical, St. Paul, Minnesota]) in ST-segment elevation myocardial infarctio ...
Full textLink to itemCite
Journal ArticleAm Heart J · September 2009
In October 2008, in a public forum organized by the Cardiac Safety Research Consortium and the Health and Environmental Sciences Institute, leaders from government, the pharmaceutical industry, and academia convened in Bethesda, MD, to discuss current chal ...
Full textLink to itemCite
Journal ArticleEuroIntervention · September 2009
AIMS: We compared epicardial and microvascular reperfusion, infarct size, and clinical outcomes after primary and rescue PCI with and without GuardWire distal protection in patients with LAD vs. non-LAD acute myocardial infarction (AMI). In the general AMI ...
Full textLink to itemCite
Journal ArticleClin Pharmacol Ther · July 2009
The cardiovascular safety of new drugs is an overarching concern for all stakeholders: the pharmaceutical industry and the US Food and Drug Administration (FDA) prior to approval and doctors and patients during postrelease drug use. Of the many cardiac saf ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Imaging · July 2009
OBJECTIVES: To determine whether catheter-based near-infrared spectroscopy (NIRS) signals obtained with a novel catheter-based system from coronaries of patients are similar to those from autopsy specimens and to assess initial safety of NIRS device. BACKG ...
Full textLink to itemCite
Journal ArticleEur Heart J · April 2009
Aims Successful epicardial reperfusion with primary percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI) can paradoxically evoke myocardial reperfusion injury, which may be signalled by temporally associated ventricular a ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 2009
BACKGROUND: The Support, Education, and Research in Chronic Heart Failure (SEARCH) study was designed to assess the impact of a mindfulness-based psychoeducational intervention on clinical outcomes, depression, and quality of life in patients with chronic ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2009
ST-segment elevation is the clinical hallmark of ST-elevation myocardial infarction; however pathophysiologically ST elevation occurs in association with acute coronary occlusion long before any myocardial necrosis occurs, for example. with no myocardial i ...
Full textLink to itemCite
Journal ArticleInt J Cardiol · November 12, 2008
AIMS: Recent studies have shown that coronary cyclic flow variations (CCFV) is a platelet-related phenomenon that occurred following reperfusion. Although CCFV predicts acute complications following thrombolytic therapy, its impact following percutaneous c ...
Full textLink to itemCite
Journal ArticleEuropace · August 2008
AIMS: We sought to define reperfusion-induced ventricular arrhythmias (VAs) more precisely through simultaneous angiography, continuous ST-segment recovery, and beat-to-beat Holter analyses in subjects with anterior ST-elevation myocardial infarction (STEM ...
Full textLink to itemCite
Journal ArticleAm Heart J · August 2008
Cardiovascular procedures performed in the United States have more than tripled in the last decade, a trend that is expected to continue with the aging of the population, coupled with epidemics of obesity and diabetes mellitus. Helping to drive this increa ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · August 1, 2008
BACKGROUND: Atherothrombotic embolization during primary percutaneous coronary intervention (PCI) induces microvascular obstruction and reduces myocardial tissue reperfusion. A variety of thrombectomy devices have been evaluated as an adjunct to primary PC ...
Full textLink to itemCite
Journal ArticleJ Invasive Cardiol · July 2008
BACKGROUND: Percutaneous coronary intervention (PCI) is associated with increased clinical and angiographic restenosis in diabetic patients. Stent-based elution of paclitaxel from a biostable polymer reduces restenosis and major adverse cardiovascular even ...
Link to itemCite
Journal ArticleAm Heart J · June 2008
BACKGROUND: The value of distal protection devices during rescue PCI has not been studied. METHODS: The population enrolled in a prospective, randomized multicenter trial of distal microcirculatory protection in ST-elevation MI, was stratified for those un ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · April 22, 2008
OBJECTIVES: The aim was to compare safety and effectiveness of the CoStar drug-eluting stent (DES) (Conor MedSystems, Menlo Park, California) with those of the Taxus DES (Boston Scientific, Maple Grove, Minnesota) in de novo single- and multivessel percuta ...
Full textLink to itemCite
Journal ArticleJ Altern Complement Med · April 2008
This paper investigates the healer's touch in contemporary medical practice, with attention to both allopathic and alternative modalities. Healing is understood as the recovery of an integrated relationship between the self and its body, others, and the su ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2008
The electrocardiogram allows easy recognition of myocardial infarction and preexcitation syndromes but may cause confusion when both conditions are present simultaneously. Two cases where myocardial infarction is masked and/or mimicked by a preexcitation s ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2008
AIM: The aim of the study was to simultaneously test the EASI lead system and two other derived ECG methods against the standard 12-lead ECG during percutaneous coronary intervention (PCI). METHODS: During 44 percutaneous coronary interventions, a simultan ...
Full textLink to itemCite
Journal ArticleHeart Rhythm · January 2008
BACKGROUND: Sudden cardiac death caused by ischemic ventricular fibrillation (VF) associated with ST elevation myocardial infarction (STEMI) is one of the most frequent causes of death. OBJECTIVE: We hypothesized that electrocardiographic (ECG) characteris ...
Full textLink to itemCite
Journal ArticleConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference · December 1, 2007
The performance assessment of a novel ECG signal processing technology in Fidelity 100 (test) and four modern ECG systems (controls) was conducted. A quantitative evaluation for one control and a test system was done by simultaneous recordings on 54 patien ...
Cite
Journal ArticleJ Am Coll Cardiol · October 16, 2007
Percutaneous coronary intervention (PCI) has played an integral role in the therapeutic management strategies for patients who present with either acute coronary syndromes or stable angina pectoris. The COURAGE (Clinical Outcomes Utilizing Revascularizatio ...
Full textLink to itemCite
Journal ArticleAm Heart J · August 2007
BACKGROUND: The prognostic impact of baseline collateral flow of the infarct-related artery (IRA) in patients undergoing primary percutaneous coronary intervention (PCI) remains controversial. We sought to examine the impact of baseline collateral flow to ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 31, 2007
OBJECTIVES: This study sought to determine whether hyperoxemic reperfusion with aqueous oxygen (AO) improves recovery of ventricular function after percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI). BACKGROUND: Hyperbaric oxyge ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · July 15, 2007
Diabetes mellitus is strongly associated with increased cardiovascular morbidity and mortality in patients with ST-segment elevation myocardial infarction. It is unknown whether myocardial perfusion is decreased in diabetic compared with nondiabetic patien ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 10, 2007
Stent thrombosis (ST) after percutaneous coronary intervention has been the focus of intense interest because of its attendant morbidity and mortality. There is controversy about several facets of the problem. These include the frequency of ST with drug-el ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · June 15, 2007
The impact of time to treatment on outcomes after primary percutaneous coronary intervention (PCI) is controversial, and there are few data about time to treatment and infarct size. The EMERALD trial randomly assigned 501 high-risk patients with ST-elevati ...
Full textLink to itemCite
Journal ArticleAm Heart J · May 2007
BACKGROUND: Randomized clinical trials have demonstrated the superiority of drug-eluting stents (DESs) compared with bare-metal stents in reducing the need for revascularization and major adverse cardiac events (MACEs) in low-risk patients with single-vess ...
Full textLink to itemCite
Journal ArticleCirculation · May 1, 2007
BACKGROUND: Although most clinical trials of coronary stents have measured nominally identical safety and effectiveness end points, differences in definitions and timing of assessment have created confusion in interpretation. METHODS AND RESULTS: The Acade ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 1, 2007
Distal embolization may decrease myocardial reperfusion after primary percutaneous coronary intervention (PCI). Nonetheless, results of previous trials assessing the role of distal protection during primary PCI have been controversial. The Protection of Di ...
Full textLink to itemCite
Journal ArticleAnnu Int Conf IEEE Eng Med Biol Soc · 2007
The performance assessment of a novel ECG signal processing technology in Fidelity 100 (test) and four modern ECG systems (controls) was conducted. A quantitative evaluation for one control and a test system was done by simultaneous recordings on 54 patien ...
Full textLink to itemCite
Journal ArticleConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference · 2007Cite
Journal ArticleDrug Discov Today Technol · 2007
Recent discussions between FDA and other stakeholders have focused on the benefits and risks associated with drug eluting stents (DES). A particular topic of focus is DES thrombosis, a rare, but serious, clinical event that may occur months to years after ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · December 5, 2006
OBJECTIVES: The purpose of this study was to evaluate feasibility of using real-time, high-fidelity, intracardiac electrogram monitoring from a permanently implantable ischemia detection system (IIDS), with long-range telemetry capability to detect ST-segm ...
Full textLink to itemCite
Journal ArticleEur Heart J · November 2006
AIMS: To examine the safety and efficacy of intravenous caldaret in patients with large acute ST-elevation myocardial infarction (STEMI) undergoing percutaneous coronary intervention (PCI). METHODS AND RESULTS: STEMI patients (n=387) with > or =10 mm summe ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · October 2006
AIM: The aims of this report are to (1) describe a novel prehospital 12-lead electrocardiogram (ECG) configuration and transmission procedure used in the Synthesized Twelve-lead ST Monitoring and Real-time Tele-electrocardiography Study and to (2) report o ...
Full textLink to itemCite
Journal ArticleJ Invasive Cardiol · May 2006
BACKGROUND: Intracoronary thrombus is often problematic during percutaneous coronary intervention. Rinspiration is a new thrombectomy catheter system designed to mechanically disrupt and remove intravascular thrombus. METHODS: Rinspiration thrombectomy was ...
Link to itemCite
Journal ArticleJ Electrocardiol · October 2005
Although there are rising public expectations about the prospects for new therapies based on advances in biomedical discoveries, the rate of new product submissions to the Food and Drug Administration (FDA) has not been increasing. Alarmingly, over the pas ...
Full textLink to itemCite
Journal ArticleEur Heart J · September 2005
AIMS: Serial forecasts of final myocardial infarct (MI) size during fibrinolytic treatment (Rx) of ST-elevation MI would allow the identification of high-risk patients with a predicted major loss of viable myocardium, at a point when treatment may still be ...
Full textLink to itemCite
Journal ArticleLancet · July 16, 2005
BACKGROUND: Data from a pilot study suggested that noetic therapies-healing practices that are not mediated by tangible elements-can reduce preprocedural distress and might affect outcomes in patients undergoing percutaneous coronary intervention. We under ...
Full textLink to itemCite
Journal ArticleJAMA · March 2, 2005
CONTEXT: Atheromatous and thrombotic embolization during percutaneous coronary intervention (PCI) in acute myocardial infarction is common and may result in microcirculatory dysfunction, the prevention of which may improve reperfusion success, reduce infar ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 1, 2005
We compared combination fibrinolytic plus glycoprotein IIb/IIIa inhibitor therapy with stand-alone fibrinolysis with respect to speed and stability of reperfusion in patients who had acute ST-segment elevation myocardial infarction; data were obtained from ...
Full textLink to itemCite
Journal ArticleDrug Information Journal · 2005
Maximal utility of accessible data is attractive to all partners in clinical research, whether it directly improves patient care or more accurately allows identification of the safety and efficacy of a new drug or procedure. The Food and Drug Administratio ...
Cite
Journal ArticleJ Cardiovasc Nurs · 2005
The goals of electrocardiographic (ECG) monitoring in hospital settings have expanded from simple heart rate and basic rhythm determination to the diagnosis of complex arrhythmias, myocardial ischemia, and prolonged QT interval. Whereas Computerized arrhyt ...
Full textLink to itemCite
Journal ArticleCardiovasc Revasc Med · 2005
BACKGROUND: Early identification of acute MI and prompt intervention can improve clinical outcomes. It would be valuable to identify a method that could allow the earliest possible detection of myocardial injury or ischemia. METHODS AND RESULTS: This artic ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · December 15, 2004
Twelve-lead ST-segment monitoring is a widely used tool for capturing focal ischemia and transient intermittent episodes. However, continuous registration of all 10 electrodes is impractical in clinical settings. This study investigated the accuracy of 2 d ...
Full textLink to itemCite
Journal ArticleCirculation · October 26, 2004
The goals of electrocardiographic (ECG) monitoring in hospital settings have expanded from simple heart rate and basic rhythm determination to the diagnosis of complex arrhythmias, myocardial ischemia, and prolonged QT interval. Whereas computerized arrhyt ...
Full textLink to itemCite
Journal ArticleAm Heart J · May 2004
BACKGROUND: More complete ST-segment resolution (ST res) in acute myocardial infarction (MI) has been associated with better epicardial and myocardial reperfusion as assessed with the Thrombolysis in Myocardial Infarction (TIMI) flow grade (TFG) and the TI ...
Full textLink to itemCite
Journal ArticleAm Heart J · April 2004
BACKGROUND: Clinical descriptors and ST-segment recovery variables hold prognostic information for clinical outcome after thrombolysis for acute myocardial infarction (MI). We sought to define the incremental prognostic value of continuous 12-lead ST-segme ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 1, 2004
In a nonrandomized feasibility study of therapeutic hypothermia in acute myocardial infarction, 18 patients were treated with endovascular cooling (Alsius, Irvine, California) as adjunctive therapy to primary percutaneous coronary intervention to assess me ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · February 18, 2004
OBJECTIVES: This sub-study of the Integrilin and Tenecteplase in Acute Myocardial Infarction (INTEGRITI) trial evaluated of the impact of combination reperfusion therapy with reduced-dose tenecteplase plus eptifibatide on continuous ST-segment recovery and ...
Full textLink to itemCite
Journal ArticleNurs Res · 2004
BACKGROUND: Many common medical, surgical, and diagnostic procedures performed for conscious patients can be accompanied by significant anxiety. Mind-body-spirit interventions could serve as useful adjunctive treatments for the reduction of stress. OBJECTI ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 2004
INTRODUCTION: The aim of the ST SMART trial is to determine whether prehospital ST monitoring with telephone transmission to the target hospital will improve hospital time to treatment in acute coronary syndromes. The present analysis reports results of th ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 15, 2003
Ventricular arrhythmias are associated with epicardial reperfusion but may also be a sign of cellular injury, which affects recovery of left ventricular (LV) function. To assess the correlation between reperfusion arrhythmias and the change in LV function ...
Full textLink to itemCite
Journal ArticleAm Heart J · November 2003
BACKGROUND: Serial observations of biochemical markers in the blood and bioelectric markers on the electrocardiogram (ECG) have been used to evaluate the effectiveness of reperfusion therapy in acute myocardial infarction (AMI). This study presents a combi ...
Full textLink to itemCite
Journal ArticleCurr Cardiol Rep · July 2003
ST-segment analyses from electrocardiograms during acute coronary syndromes (ACS) have repeatedly shown strong mechanistic links to coronary artery patency and myocardial reperfusion. In these patients, such analyses have also consistently been reported to ...
Full textLink to itemCite
Journal ArticleCardiol Rev · 2003
We studied the relationship between mood and mood shift immediately before percutaneous coronary intervention (PCI) and 3 end points: total ischemic burden during PCI, adverse cardiac end points (ACE) after PCI, and death by 6-month follow up. Patients (n ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · November 6, 2002
OBJECTIVES: This study compared survival after percutaneous coronary intervention (PCI) with survival after coronary artery bypass graft surgery (CABG) among diabetics in the Veterans Affairs AWESOME (Angina With Extremely Serious Operative Mortality Evalu ...
Full textLink to itemCite
Journal ArticleJ Cardiovasc Electrophysiol · October 2002
INTRODUCTION: The aim of this study was to compare surface ECGs with electrograms (EGM) that are available from implanted devices for the ability to detect ischemic ST segment changes during normal sinus (NS) and ventricular paced (VP) rhythms. METHODS AND ...
Full textLink to itemCite
Journal ArticleEur Heart J · September 2002
BACKGROUND: The presence of Q waves at presentation with a first acute myocardial infarction reflects a more advanced stage of the infarction process. When infarct-related artery patency (Thrombolysis in Myocardial Infarction 2 or 3 flow) is restored, reso ...
Full textLink to itemCite
Journal ArticleAm Heart J · July 2002
BACKGROUND: Resolution of ST-segment elevation after thrombolysis for acute myocardial infarction has been shown to have prognostic significance 3 hours (180 minutes) after the initiation of therapy. Whether prognostically useful information can be achieve ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · January 16, 2002
OBJECTIVES: This study was designed to compare the three-year survival after percutaneous coronary intervention (PCI) or coronary artery bypass graft surgery (CABG) in physician-directed and patient-choice registries with the Angina With Extremely Serious ...
Full textLink to itemCite
Journal ArticleAm Heart J · November 2001
BACKGROUND: Patients undergoing percutaneous coronary intervention (PCI) for unstable coronary syndromes have substantial emotional and spiritual distress that may promote procedural complications. Noetic (nonpharmacologic) therapies may reduce anxiety, pa ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · August 15, 2001
Early restoration of coronary artery patency through primary angioplasty limits infarct size and improves survival. Increasing evidence, however, suggests that microvascular obstruction is often present despite coronary artery recanalization. This may limi ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 2001
BACKGROUND: Percutaneous coronary intervention (PCI) and coronary artery bypass graft surgery (CABG) are being applied to high-risk populations, but previous randomized trials comparing revascularization methods have excluded a number of important high-ris ...
Full textLink to itemCite
Journal ArticleMarine Biology · February 13, 2001
A range of tissue and cell types from adult and juvenile stages of vent- and non-vent-dwelling deep-sea and shallow-water organisms were compared for signs of cell division, in preparation for a cytogenetic study of the different groups. Virtually all the ...
Full textCite
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 ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · November 1, 2000
OBJECTIVES: The purpose of this study was to assess whether the immediate availability of serum markers would increase the appropriate use of thrombolytic therapy. BACKGROUND: Serum markers such as myoglobin and creatine kinase, MB fraction (CK-MB) are eff ...
Full textLink to itemCite
Journal ArticleCirculation · May 9, 2000
BACKGROUND: Early resolution of ST-segment elevation (ST-segment recovery) is associated with an improved outcome after infarction. Whether this relation is present in patients with Thrombolysis In Myocardial Infarction (TIMI) grade 2 or 3 flow (ie, patent ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · April 2000
Computer-assisted continuous monitoring of the ST-segment allows detection and quantification of recurrent ischemia in patients with acute coronary syndromes. In a substudy of the PURSUIT (Platelet glycoprotein IIb/IIIa in Unstable angina: Receptor Suppres ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · April 2000
Bailout stenting for major dissection and threatened closure has high rates of ischemic complications. We performed a randomized trial of local heparin delivery using the infusion sleeve before bailout stenting for suboptimal angioplasty results. In phase ...
Full textLink to itemCite
Journal ArticleJ Clin Anesth · March 2000
STUDY OBJECTIVES: To evaluate the relationship between perioperative ischemia and serial concentrations of D-dimer, which is a sensitive and specific marker of fibrinolytic activity. Myocardial ischemia and infarction are well-recognized complications of p ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleControl Clin Trials · December 1999
This multicenter, prospective randomized trial was designed to test the hypotheses that percutaneous coronary intervention (PCI) is a safe and effective alternative to coronary artery bypass grafting (CABG) for patients with refractory ischemia and high ri ...
Full textLink to itemCite
Journal ArticleAm J Crit Care · November 1999
BACKGROUND: ST-segment monitoring is underused by healthcare professionals for patients with acute coronary syndromes treated in emergency departments and intensive care units. OBJECTIVE: To provide clinically practical consensus guidelines for optimal ST- ...
Link to itemCite
Journal ArticleAm Heart J · September 1999
BACKGROUND: In this study we have evaluated the prognostic power of noninvasive markers of coronary artery reperfusion in patients with acute myocardial infarction who were treated with intravenous streptokinase. METHODS: In 967 consecutive patients with a ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 1, 1999
Previous studies suggest that slow and/or oscillating balloon inflation during coronary angioplasty may decrease the incidence of coronary dissection and improve clinical outcomes. To compare the effect of slow oscillating versus conventional fast inflatio ...
Full textLink to itemCite
Journal ArticleJournal of Electrocardiology · January 1, 1999
A safety and efficacy study of nondrug, nondevice 'noetic' medical interventions requires unique clinical trial design elements and tools. Although the precise mechanisms through which meditative or spiritual practices might influence clinical outcomes may ...
Full textCite
Journal ArticleAmerican Journal of Critical Care · January 1, 1999
• BACKGROUND ST-segment monitoring is underused by healthcare professionals for patients with acute coronary syndromes treated in emergency departments and intensive care units. • OBJECTIVE To provide clinically practical consensus guidelines for optimal S ...
Full textCite
Journal ArticleJ Am Coll Cardiol · December 1998
OBJECTIVES: The trial was designed to assess the safety, pharmacodynamics and effects on reperfusion of the platelet glycoprotein (GP) IIb/IIIa inhibitor lamifiban when given with thrombolysis to patients with ST segment elevation acute myocardial infarcti ...
Full textLink to itemCite
Journal ArticleClin Nephrol · April 1998
Coronary artery disease is a frequent complication of end-stage renal disease (ESRD). ST segment depression on ambulatory electrocardiography without patient awareness is a marker of what has been termed "silent ischemia". It has been suggested that in pat ...
Link to itemCite
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 ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 1998
Comparability of clinical and research data sets may be undermined if the instruments used to acquire them vary. Even when standard 12-lead electrocardiographic formats are used for monitoring, proprietary signal processing techniques and sampling interval ...
Full textLink to itemCite
Journal ArticleLasers Surg Med · 1998
BACKGROUND AND OBJECTIVE: The solid-state, mid-infrared holmium:YAG laser (2.1 microm wavelength) is a relatively new percutaneous device that has recently been evaluated in a multicenter study. Because of its unique wavelength and photoacoustic effects on ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 1998
The ability of QT interval dispersion to predict the occurrence of ventricular fibrillation (VF) after acute myocardial infarction treated with thrombolytic therapy is controversial. Continuous 12-lead electrocardiographic (ECG) monitoring for 48 hours or ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · November 15, 1997
OBJECTIVES: We sought to determine the prognostic significance of simultaneous versus independent resolution of ST segment depression that occurs concomitant with ST segment elevation during acute myocardial infarction (AMI). BACKGROUND: ST segment depress ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · August 15, 1997
Lead distributions of peak ST-segment depression were compared between patients undergoing left circumflex artery percutaneous transluminal coronary angioplasty and exercise tolerance test. Localization of peak ST-segment depression to leads V2 or V3 was 9 ...
Full textLink to itemCite
Journal ArticleCirculation · February 18, 1997
BACKGROUND: Platelet activation and aggregation may be key components of thrombolytic failure to restore and maintain perfusion in acute myocardial infarction. We performed a placebo-controlled, dose-ranging trial of Integrilin, a potent inhibitor of plate ...
Full textLink to itemCite
Journal ArticleJ Am Soc Nephrol · December 1996
This study used a 24-h ambulatory blood pressure (ABP) monitor to study the relationship between dialysis room-measured blood pressures (BP) and mean 24-h systolic and diastolic ambulatory BP (SABP and DABP) with left ventricular mass (LV) in a group of 35 ...
Full textLink to itemCite
Journal ArticleCirculation · November 15, 1996
BACKGROUND: Whether thrombolytic therapy alters the incidence and clinical outcome of bundle-branch block is unclear. METHODS AND RESULTS: We examined the occurrence of new-onset bundle-branch block, both transient and persistent, in 681 patients with acut ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · October 1996
Continuously updated ST-segment recovery analysis has been shown to accurately predict infarct-related artery patency. Salient principles were converted into algorithms and incorporated into a portable ST monitor for optimal application. This study tested ...
Full textLink to itemCite
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 ...
Cite
Journal ArticleAm J Cardiol · April 15, 1996
The focus of new research efforts to improve the morbidity and mortality associated with acute myocardial infarction (AMI) has turned to adjuvant agents that show promise of improving outcomes following coronary thrombolysis. We enrolled 162 patients with ...
Full textLink to itemCite
Journal ArticleAm J Med · September 1995
PURPOSE: To determine the prevalence of and risk factors for periprocedural myocardial ischemia associated with gastrointestinal endoscopy in patients with severe symptomatic coronary artery disease. PATIENTS AND METHODS: In this prospective observational ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 15, 1994
Electrocardiographic recordings used to assess ST-segment deviation are performed using both standard and torso limb lead positions, where bony prominences give more artifact-free signal. Whereas significant QRS artifact can be introduced by such changes i ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · October 1994
The standard 12-lead electrocardiogram (ECG) has been developed over many years. The ECG has had a long and successful history of providing diagnostic information in clinical medicine. Cardiac arrhythmias have been elucidated by deductive reasoning from co ...
Full textLink to itemCite
Journal ArticleJ Invasive Cardiol · September 1994
Long angioplasty inflations have been reported using an autoperfusion system that delivers oxygenated blood distal to the balloon segment. The safety and efficacy of this system has been demonstrated in anatomically selected patients. The clinical use, how ...
Link to itemCite
Journal ArticleCoron Artery Dis · July 1994
BACKGROUND: Patients who have suffered acute myocardial infarction (AMI) and have been treated with intravenous thrombolytic agents resulting in early 'patent' [Thrombolysis in Myocardial Infarction (TIMI) 2-3 flow grade] arteries have been shown not to be ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · June 1, 1994
Continuous ST-segment recovery analysis and 5 static methods using ST-segment comparison between a pre- and post-treatment electrocardiogram were compared for their ability to predict infarct-related artery patency in 82 patients with acute myocardial infa ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 1993
OBJECTIVES: This study was designed to determine the efficacy of synchronized coronary sinus retroperfusion of arterial blood in reducing myocardial ischemia associated with the performance of high risk coronary angioplasty. BACKGROUND: Previous animal and ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · June 1, 1993
Balloon angioplasty of long coronary artery narrowings has been associated with a lower rate of acute success, and a higher rate of acute complications and restenosis than that observed for short narrowings. Angioplasty catheters with longer length balloon ...
Full textLink to itemCite
Journal ArticlePacing Clin Electrophysiol · May 1993
The anatomical substrate for atrioventricular (AV) node reentry is unclear. To gain insights into the mechanism of cure of AV node reentry by nonpharmacological techniques, we compared AV node properties in 53 patients undergoing operative therapy (perinod ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · 1993
Traditional, comparative acute myocardial infarction trials have used morbidity and mortality as endpoints, requiring large study populations. Left ventricular function and angiographic infarct-related artery patency have, therefore, been used as alternati ...
Link to itemCite
Journal ArticleJ Am Coll Cardiol · September 1992
OBJECTIVES: The purpose of this study was to further explore the procedural safety of prolonged (15-min) dilation using an autoperfusion coronary angioplasty balloon by assessing the degree of myocardial damage or hemolysis, if any, occurring as a result o ...
Full textLink to itemCite
Journal ArticleJournal of Interventional Cardiology · January 1, 1992
Angioplasty in the setting of poor left ventricular function may involve coronary anatomy with special challenges to the technique of the operator and the safety of the patient. Spontaneous coronary aneurysms involve a disruption of the tissue of the vesse ...
Full textCite
Journal ArticleJ Electrocardiol · 1992
Patients in whom early and stable reperfusion through the infarct artery fails after thrombolytic treatment might benefit from further revascularization therapy. A reliable noninvasive technique able to detect both reperfusion and reocclusion would be usef ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 15, 1991
The feasibility and applicability of intravascular ultrasound (IVUS) of the coronary arteries were evaluated in 65 patients undergoing 70 coronary interventional procedures. Morphologic and quantitative analyses were performed with a mechanically rotated I ...
Full textLink to itemCite
Journal ArticleCathet Cardiovasc Diagn · September 1991
We report the a case of hugging balloons through an 8-French guiding catheter to stabilize an ectatic right coronary artery following failed thrombolytic therapy in the setting of acute myocardial infarction. Angiographic follow-up at 1 wk and 6 mo reveale ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · June 1, 1991
Electrocardiographic manifestations of ischemia are difficult to interpret in the presence of left bundle branch block (LBBB). Recently developed techniques allow continuous computerized digital analysis of ST segments that can be zeroed to the patient's o ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · August 1, 1990
The effects of perfusion of an oxygen-carrying perfluorochemical emulsion (Fluosol) in alleviating symptoms of myocardial ischemia during balloon occlusion were examined in a multicenter trial of 245 patients. Severe anginal pain occurred less frequently i ...
Full textLink to itemCite
Journal ArticleCirculation · March 1990
Patients who undergo elective percutaneous transluminal coronary angioplasty (PTCA) provide a unique human model, with fully defined coronary anatomy and known sites and periods of coronary occlusion. High-resolution, quantitative ST segment monitoring dur ...
Link to itemCite
Journal ArticleAm J Cardiol · January 15, 1990
Successful intravenous thrombolytic therapy early in myocardial infraction has the potential to reduce patient mortality without the additional risk and cost of aggressive invasive therapy. Noninvasive detection of successful reperfusion using resolution o ...
Full textLink to itemCite
Journal ArticleCirculation · 1990
Patients who undergo elective percutaneous transluminal coronary angioplasty (PTCA) provide a unique human model, with fully defined coronary anatomy and known sites and periods of coronary occlusion. High-resolution, quantitative ST segment monitoring dur ...
Cite
Journal ArticleJ Am Coll Cardiol · January 1990
UNLABELLED: Patients undergoing coronary angioplasty have a 2% to 7% risk of requiring emergency coronary artery bypass graft surgery for impending infarction. These patients provide a unique model of early reperfusion because the exact time of compromise ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 1989
Intracoronary infusion of oxygenated Fluosol during percutaneous transluminal coronary angioplasty has been shown to reduce chest pain and preserve contractile function. In spite of this evidence for reduced severity of myocardial ischemia, ST elevation is ...
Full textLink to itemCite
Journal ArticleComputers in Cardiology · September 1, 1989
Results of 3311 h of continuous digital 12-lead ST segment monitoring in a pilot population of 77 patients treated early in myocardial infarction (MI) with thrombolytic therapy are reported. 'Mean beat' signal processing over 353 min of monitoring in 12 pa ...
Cite
Journal ArticleAm J Cardiol · May 15, 1989
The dynamic QRS amplitude changes that appear during 1-vessel percutaneous transluminal coronary angioplasty of the right and left circumflex coronary arteries were studied in 20 patients using continuous 3-lead electrocardiographic recordings representing ...
Full textLink to itemCite
Journal ArticleCirculation · February 1989
The proposed recommendations for continuous electrocardiographic monitoring systems represent goals for future development. Description of a technique in the report does not constitute an endorsement of its clinical use. Lead systems for ECG monitoring mus ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 15, 1988
Using continuous 3-lead electrocardiographic (ECG) recordings in 19 patients undergoing elective percutaneous transluminal coronary artery angioplasty (PTCA) of the left anterior descending (LAD) artery, this study described the dynamic changes of the ST s ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · June 1, 1988
Multilead ST-segment recordings taken during percutaneous transluminal coronary angioplasty (PTCA) could function as an individualized noninvasive template or "fingerprint," useful in evaluating transient ischemic episodes after leaving the catheterization ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · April 21, 1988
Quantification of total ischemic burden can be improved by use of microprocessor-driven, multichannel, digital, ST-monitoring devices. ST deviation recorded during angioplasty provides a patient-specific template for identification of patients at increased ...
Full textLink to itemCite
Journal ArticleCardiovasc Clin · 1988
PTCA alters the natural history of coronary artery disease and thus presents a challenge for the cardiologist to detect the variety of changes that may occur. Continuous electrocardiographic monitoring with automatic detection of ST segment changes has pro ...
Link to itemCite
Journal ArticleJ Electrocardiol · 1988
The angiographic/anatomic appearance of the TCA site and transstenotic gradient trending are two available intraprocedural variables that help to identify patients at high risk for early complications after successful angioplasty. We have reported on an ad ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · October 1987
As the technology of computer-assisted ECG analysis continues to advance the frontier of multi-lead acquisition and real time analysis, conceptual approaches to the research applications as well as to the electrical and clinical validity of changes in the ...
Link to itemCite
Journal ArticleJ Electrocardiol · October 1987
The effect of increasing grades of collateral flow to the distal target vessel on the clinical and electrocardiographic manifestations of ischemia was evaluated in 118 patients undergoing transluminal coronary angioplasty (TCA). A qualitative scoring syste ...
Link to itemCite
Journal ArticleAm Heart J · November 1986
Accelerated idioventricular rhythm has been used as a marker for coronary reperfusion. The incidence of accelerated idioventricular rhythm and ventricular tachycardia was evaluated in 52 consecutive patients undergoing thrombolysis with intracoronary strep ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · April 15, 1986
Continuous ST-segment Holter recordings were analyzed from 46 patients with acute myocardial infarction (AMI) receiving intracoronary streptokinase (SK) during the first 48 hours of hospitalization. Changes in ST deviation and the time periods of these cha ...
Full textLink to itemCite