Scholars@Duke
Sana Mustapha Al-Khatib

Sana Mustapha Al-Khatib

Professor of Medicine
Medicine, Cardiology
alkha001@duke.edu
Duke Box 3850, Durham, NC 27715
7521 N Pavilion Bldg, Durham, NC
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Selected Publications

RAndomized Cluster Evaluation of Cardiac ARrest Systems (RACE-CARS) trial: Study rationale and design.

Journal Article Am Heart J · November 2024 Out-of-hospital cardiac arrest (OHCA) occurs in nearly 350,000 people each year in the United States (US). Despite advances in pre and in-hospital care, OHCA survival remains low and is highly variable across systems and regions. The critical barrier to im ... Full text Open Access Link to item Cite

Understanding AI bias in clinical practice.

Journal Article Heart Rhythm · October 2024 Full text Link to item Cite

Outcomes of Cardiac Resynchronization Therapy by New York Heart Association Class: A Patient-Level Meta-Analysis.

Journal Article J Am Heart Assoc · August 6, 2024 BACKGROUND: Data on the benefits of cardiac resynchronization therapy (CRT) in patients with severe heart failure symptoms are limited. We investigated the relative effects of CRT in patients with ambulatory New York Heart Association (NYHA) IV versus III ... Full text Link to item Cite

JACC: Advances Expert Panel Perspective: Shared Decision-Making in Multidisciplinary Team-Based Cardiovascular Care.

Journal Article JACC Adv · July 2024 Shared decision-making (SDM) and multidisciplinary team-based care delivery are recommended across several cardiology clinical practice guidelines. However, evidence for benefit and guidance on implementation are limited. Informed consent, the use of patie ... Full text Link to item Cite

Relationship between sex, body size, and cardiac resynchronization therapy benefit: A patient-level meta-analysis of randomized controlled trials.

Journal Article Heart Rhythm · June 2024 BACKGROUND: Women might benefit more than men from cardiac resynchronization therapy (CRT) and do so at shorter QRS durations. OBJECTIVE: This meta-analysis was performed to determine whether sex-based differences in CRT effects are better accounted for by ... Full text Link to item Cite

The potential of artificial intelligence to revolutionize health care delivery, research, and education in cardiac electrophysiology.

Journal Article Heart Rhythm · June 2024 The field of electrophysiology (EP) has benefited from numerous seminal innovations and discoveries that have enabled clinicians to deliver therapies and interventions that save lives and promote quality of life. The rapid pace of innovation in EP may be h ... Full text Link to item Cite

Comorbidities and clinical response to cardiac resynchronization therapy: Patient-level meta-analysis from eight clinical trials.

Journal Article Eur J Heart Fail · April 2024 AIMS: Patients with heart failure usually have several other medical conditions that might alter the effects of interventions. We investigated whether the burden of comorbidity modified the clinical response to cardiac resynchronization therapy (CRT). METH ... Full text Link to item Cite

Eighth Annual Go Red for Women Issue.

Journal Article Circulation · February 13, 2024 Full text Link to item Cite

Cardiac Implantable Electronic Devices.

Journal Article N Engl J Med · February 1, 2024 Full text Link to item Cite

Benefit of cardiac resynchronization therapy among older patients: A patient-level meta-analysis.

Journal Article Am Heart J · January 2024 BACKGROUND: Cardiac resynchronization therapy (CRT) reduces heart failure hospitalizations (HFH) and mortality for guideline-indicated patients with heart failure (HF). Most patients with HF are aged ≥70 years but such patients are often under-represented ... Full text Link to item Cite

Antero-lateral vs. antero-posterior electrode position for cardioversion of atrial fibrillation: a systematic review and meta-analysis of randomized controlled trials.

Journal Article J Interv Card Electrophysiol · December 2023 BACKGROUND: Multiple randomized controlled trials (RCTs) have compared the success of antero-lateral vs. antero-posterior electrode position for cardioversion of atrial fibrillation (AF). However, due to small sample size and conflicting results of these R ... Full text Link to item Cite

Heart rate and death and hospitalization for heart failure in patients with persistent or permanent atrial fibrillation: Insights from the ARISTOTLE trial.

Journal Article Am Heart J · November 2023 Rate control is fundamental in the treatment of patients with atrial fibrillation (AF). The independent association of heart rate with outcomes and range of heart rate associated with best outcomes remains uncertain. We assessed the relationship between he ... Full text Link to item Cite

Association of leadless pacing with ventricular and valvular function.

Journal Article J Cardiovasc Electrophysiol · November 2023 BACKGROUND: Traditional transvenous pacemakers are associated with worsening tricuspid valve function due to lead-related leaflet impingement, as well as ventricular dysfunction related to electromechanical dyssynchrony from chronic right ventricular (RV) ... Full text Link to item Cite

Point-of-Care Chemistry-Guided Dialysate Adjustment to Reduce Arrhythmias: A Pilot Trial.

Journal Article Kidney Int Rep · November 2023 INTRODUCTION: Excessive dialytic potassium (K) and acid removal are risk factors for arrhythmias; however, treatment-to-treatment dialysate modification is rarely performed. We conducted a multicenter, pilot randomized study to test the safety, feasibility ... Full text Link to item Cite

RAndomized Cluster Evaluation of Cardiac ARrest Systems (RACE-CARS) trial: Study rationale and design.

Journal Article Am Heart J · November 2024 Out-of-hospital cardiac arrest (OHCA) occurs in nearly 350,000 people each year in the United States (US). Despite advances in pre and in-hospital care, OHCA survival remains low and is highly variable across systems and regions. The critical barrier to im ... Full text Open Access Link to item Cite

Understanding AI bias in clinical practice.

Journal Article Heart Rhythm · October 2024 Full text Link to item Cite

Outcomes of Cardiac Resynchronization Therapy by New York Heart Association Class: A Patient-Level Meta-Analysis.

Journal Article J Am Heart Assoc · August 6, 2024 BACKGROUND: Data on the benefits of cardiac resynchronization therapy (CRT) in patients with severe heart failure symptoms are limited. We investigated the relative effects of CRT in patients with ambulatory New York Heart Association (NYHA) IV versus III ... Full text Link to item Cite

JACC: Advances Expert Panel Perspective: Shared Decision-Making in Multidisciplinary Team-Based Cardiovascular Care.

Journal Article JACC Adv · July 2024 Shared decision-making (SDM) and multidisciplinary team-based care delivery are recommended across several cardiology clinical practice guidelines. However, evidence for benefit and guidance on implementation are limited. Informed consent, the use of patie ... Full text Link to item Cite

Relationship between sex, body size, and cardiac resynchronization therapy benefit: A patient-level meta-analysis of randomized controlled trials.

Journal Article Heart Rhythm · June 2024 BACKGROUND: Women might benefit more than men from cardiac resynchronization therapy (CRT) and do so at shorter QRS durations. OBJECTIVE: This meta-analysis was performed to determine whether sex-based differences in CRT effects are better accounted for by ... Full text Link to item Cite

The potential of artificial intelligence to revolutionize health care delivery, research, and education in cardiac electrophysiology.

Journal Article Heart Rhythm · June 2024 The field of electrophysiology (EP) has benefited from numerous seminal innovations and discoveries that have enabled clinicians to deliver therapies and interventions that save lives and promote quality of life. The rapid pace of innovation in EP may be h ... Full text Link to item Cite

Comorbidities and clinical response to cardiac resynchronization therapy: Patient-level meta-analysis from eight clinical trials.

Journal Article Eur J Heart Fail · April 2024 AIMS: Patients with heart failure usually have several other medical conditions that might alter the effects of interventions. We investigated whether the burden of comorbidity modified the clinical response to cardiac resynchronization therapy (CRT). METH ... Full text Link to item Cite

Eighth Annual Go Red for Women Issue.

Journal Article Circulation · February 13, 2024 Full text Link to item Cite

Cardiac Implantable Electronic Devices.

Journal Article N Engl J Med · February 1, 2024 Full text Link to item Cite

Benefit of cardiac resynchronization therapy among older patients: A patient-level meta-analysis.

Journal Article Am Heart J · January 2024 BACKGROUND: Cardiac resynchronization therapy (CRT) reduces heart failure hospitalizations (HFH) and mortality for guideline-indicated patients with heart failure (HF). Most patients with HF are aged ≥70 years but such patients are often under-represented ... Full text Link to item Cite

Antero-lateral vs. antero-posterior electrode position for cardioversion of atrial fibrillation: a systematic review and meta-analysis of randomized controlled trials.

Journal Article J Interv Card Electrophysiol · December 2023 BACKGROUND: Multiple randomized controlled trials (RCTs) have compared the success of antero-lateral vs. antero-posterior electrode position for cardioversion of atrial fibrillation (AF). However, due to small sample size and conflicting results of these R ... Full text Link to item Cite

Heart rate and death and hospitalization for heart failure in patients with persistent or permanent atrial fibrillation: Insights from the ARISTOTLE trial.

Journal Article Am Heart J · November 2023 Rate control is fundamental in the treatment of patients with atrial fibrillation (AF). The independent association of heart rate with outcomes and range of heart rate associated with best outcomes remains uncertain. We assessed the relationship between he ... Full text Link to item Cite

Association of leadless pacing with ventricular and valvular function.

Journal Article J Cardiovasc Electrophysiol · November 2023 BACKGROUND: Traditional transvenous pacemakers are associated with worsening tricuspid valve function due to lead-related leaflet impingement, as well as ventricular dysfunction related to electromechanical dyssynchrony from chronic right ventricular (RV) ... Full text Link to item Cite

Point-of-Care Chemistry-Guided Dialysate Adjustment to Reduce Arrhythmias: A Pilot Trial.

Journal Article Kidney Int Rep · November 2023 INTRODUCTION: Excessive dialytic potassium (K) and acid removal are risk factors for arrhythmias; however, treatment-to-treatment dialysate modification is rarely performed. We conducted a multicenter, pilot randomized study to test the safety, feasibility ... Full text Link to item Cite

Colchicine for the Prevention of Recurrent Arrhythmia After Catheter Ablation of Atrial Fibrillation: Results of a Single-Center, Retrospective Study.

Journal Article Am J Cardiovasc Drugs · November 2023 BACKGROUND: There is evidence to suggest that colchicine reduces the risk of recurrent atrial fibrillation (AF) after catheter ablation; however, the tolerability and safety of colchicine in routine practice is unknown. METHODS: Patients undergoing cathete ... Full text Link to item Cite

Left ventricular lead implantation failure in an unselected nationwide cohort.

Journal Article Heart Rhythm · October 2023 BACKGROUND: Left ventricular (LV) lead implantation is often the most challenging aspect of cardiac resynchronization therapy (CRT) procedures; early studies reported implant failure rates in ∼10% of cases. OBJECTIVE: The purpose of this study was to defin ... Full text Link to item Cite

2023 HRS/APHRS/LAHRS guideline on cardiac physiologic pacing for the avoidance and mitigation of heart failure.

Journal Article Heart Rhythm · September 2023 Cardiac physiologic pacing (CPP), encompassing cardiac resynchronization therapy (CRT) and conduction system pacing (CSP), has emerged as a pacing therapy strategy that may mitigate or prevent the development of heart failure (HF) in patients with ventricu ... Full text Link to item Cite

Cardiac resynchronization therapy in patients with a prior history of atrial fibrillation: Insights from four major clinical trials.

Journal Article J Cardiovasc Electrophysiol · September 2023 AIMS: To investigate the association of cardiac resynchronization therapy (CRT) on outcomes among participants with and without a history of atrial fibrillation (AF). METHODS: Individual-patient-data from four randomized trials investigating CRT-Defibrilla ... Full text Link to item Cite

Utilization and Outcomes of Primary Prevention Implantable Cardioverter-Defibrillators in Patients With Hypertrophic Cardiomyopathy.

Journal Article J Am Heart Assoc · August 15, 2023 Background There is uncertainty about the appropriate use of primary prevention implantable cardioverter-defibrillators (ICDs) among older patients with hypertrophic cardiomyopathy. Methods and Results Patients with hypertrophic cardiomyopathy who received ... Full text Link to item Cite

Outcomes of Cardiac Resynchronization Therapy by New York Heart Association Class: A Patient-Level Meta-Analysis.

Journal Article medRxiv · July 6, 2023 Data on the benefits of cardiac resynchronization therapy (CRT) in patients with severe heart failure (HF) symptoms are limited. We investigated the relative effects of CRT in patients with ambulatory NYHA IV vs. III functional class at the time of device ... Full text Link to item Cite

Atrial Fibrillation.

Journal Article Ann Intern Med · July 2023 Evidence for diagnosis and treatment of atrial fibrillation (AF) has expanded substantially since 2017, when In the Clinic last considered this subject. Direct oral anticoagulants have become the predominant therapy for thromboembolic disease, and antidote ... Full text Link to item Cite

Facilitating Shared Decision Making Among Black Patients at Risk for Sudden Cardiac Arrest : A Randomized Clinical Trial.

Journal Article Ann Intern Med · May 2023 BACKGROUND: Racial disparities in implantable cardioverter-defibrillator (ICD) implantation are multifactorial and are partly explained by higher refusal rates. OBJECTIVE: To assess the effectiveness of a video decision support tool for Black patients elig ... Full text Link to item Cite

QT-Prolonging Antibiotics, Serum-to-Dialysate Potassium Gradient, and Risk of Sudden Cardiac Death Among Patients Receiving Maintenance Hemodialysis.

Journal Article Kidney Med · May 2023 RATIONALE & OBJECTIVE: Treatment with certain QT interval-prolonging antibiotics is associated with a higher risk of sudden cardiac death among individuals with hemodialysis-dependent kidney failure. Concurrent exposure to large serum-to-dialysate potassiu ... Full text Link to item Cite

Quality of Life and Type of Cardiac Resynchronization Therapy Device in Older Heart Failure Patients.

Journal Article J Palliat Med · April 2023 Background: Cardiac resynchronization therapy (CRT) improves quality of life (QOL) in heart failure (HF) patients with reduced ejection fraction. Clinicians may have difficulty choosing between CRT with a pacemaker (CRT-P) or a defibrillator (CRT-D) for ol ... Full text Link to item Cite

Cardiac Resynchronization Therapy Improves Outcomes in Patients With Intraventricular Conduction Delay But Not Right Bundle Branch Block: A Patient-Level Meta-Analysis of Randomized Controlled Trials.

Journal Article Circulation · March 7, 2023 BACKGROUND: Benefit from cardiac resynchronization therapy (CRT) varies by QRS characteristics; individual randomized trials are underpowered to assess benefit for relatively small subgroups. METHODS: The authors analyzed patient-level data from pivotal CR ... Full text Link to item Cite

Research Opportunities in Stroke Prevention for Atrial Fibrillation: A Report From a National Heart, Lung, and Blood Institute Virtual Workshop.

Journal Article Stroke · March 2023 Atrial fibrillation (AF) is one of the strongest risk factors for ischemic stroke, which is a leading cause of disability and death. Given the aging population, increasing prevalence of AF risk factors, and improved survival in those with cardiovascular di ... Full text Link to item Cite

Seventh Annual Go Red for Women Issue.

Journal Article Circulation · February 14, 2023 Full text Link to item Cite

Comparative Effectiveness of Left Atrial Appendage Occlusion Versus Oral Anticoagulation by Sex.

Journal Article Circulation · February 14, 2023 BACKGROUND: The comparative real-world outcomes of older patients with atrial fibrillation (AF) treated with anticoagulation compared with left atrial appendage occlusion (LAAO) may be different from those in clinical trials because of differences in antic ... Full text Link to item Cite

Transforming Atrial Fibrillation Research to Integrate Social Determinants of Health: A National Heart, Lung, and Blood Institute Workshop Report.

Journal Article JAMA Cardiol · February 1, 2023 IMPORTANCE: Only modest attention has been paid to the contributions of social determinants of health to atrial fibrillation (AF) risk factors, diagnosis, symptoms, management, and outcomes. The diagnosis of AF provides unique challenges exacerbated by the ... Full text Link to item Cite

Utilization of Implantable Cardioverter Defibrillators Among Patients with a Left Ventricular Assist Device: Insights From a National Database.

Journal Article Curr Probl Cardiol · November 2022 The trends of implantable cardioverter defibrillator (ICD) use in patients with a durable left ventricular assist device (LVAD) remain uncertain. We used the National Inpatient Sample to identify hospitalizations between 2009 and 2018 in which patients rec ... Full text Link to item Cite

letter to the editor.

Journal Article Kidney Int · November 2022 Full text Link to item Cite

Opportunities and challenges in heart rhythm research: Rationale and development of an electrophysiology collaboratory.

Journal Article Heart Rhythm · November 2022 There are many challenges in the current landscape of electrophysiology (EP) clinical and translational research, including increasing costs and complexity, competing demands, regulatory requirements, and challenges with study implementation. This review s ... Full text Link to item Cite

The modifying effect of the serum-to-dialysate potassium gradient on the cardiovascular safety of SSRIs in the hemodialysis population: a pharmacoepidemiologic study.

Journal Article Nephrol Dial Transplant · October 19, 2022 BACKGROUND: Hypokalemia is a risk factor for drug-induced QT prolongation. Larger serum-to-dialysate potassium gradients during hemodialysis (HD) may augment the proarrhythmic risks of selective serotonin reuptake inhibitors (SSRIs). METHODS: We conducted ... Full text Link to item Cite

Azithromycin use increases the risk of sudden cardiac death in patients with hemodialysis-dependent kidney failure.

Journal Article Kidney Int · October 2022 Azithromycin is an antibiotic with QT-prolonging potential commonly prescribed to individuals receiving hemodialysis. Hemodialysis patients have a high prevalence of clinical conditions, such as structural heart disease, that can enhance the pro-arrhythmic ... Full text Link to item Cite

Cardiac resynchronization therapy outcomes with left ventricular lead concordant with latest mechanical activation: A meta-analysis.

Journal Article Pacing Clin Electrophysiol · August 2022 BACKGROUND: For cardiac resynchronization therapy (CRT), image-guided approaches targeting left ventricular (LV) lead placement at the site of latest mechanical activation had inconsistent outcomes. We examined evidence for improved CRT outcomes when LV le ... Full text Link to item Cite

Coverage with evidence development: where are we now?

Journal Article Am J Manag Care · August 2022 OBJECTIVES: CMS' coverage with evidence development (CED) policy allows Medicare beneficiaries to access promising therapies and services while additional data are collected. CED program characteristics are mostly unreported, and qualities associated with ... Full text Link to item Cite

Emerging Implantable-Device Technology for Patients at the Intersection of Electrophysiology and Heart Failure Interdisciplinary Care.

Journal Article J Card Fail · June 2022 Cardiac implantable electronic devices, including implantable cardioverter-defibrillators and therapy, are part of guideline-indicated treatment for a subset of patients with heart failure with reduced ejection fraction. Current technological advancements ... Full text Link to item Cite

Proton pump inhibitors may enhance the risk of citalopram- and escitalopram-associated sudden cardiac death among patients receiving hemodialysis.

Journal Article Pharmacoepidemiol Drug Saf · June 2022 PURPOSE: Polypharmacy is common in the hemodialysis population and increases the likelihood that patients will be exposed to clinically significant drug-drug interactions. Concurrent use of proton pump inhibitors (PPIs) with citalopram or escitalopram may ... Full text Link to item Cite

Effect of Mailing Educational Material to Patients With Atrial Fibrillation and Their Clinicians on Use of Oral Anticoagulants: A Randomized Clinical Trial.

Journal Article JAMA Netw Open · May 2, 2022 IMPORTANCE: Only about half of patients with atrial fibrillation (AF) who are at increased risk for stroke are treated with an oral anticoagulant (OAC), despite guideline recommendations for their use. Educating patients with AF about prevention of stroke ... Full text Link to item Cite

2022 AHA/ACC/HFSA Guideline for the Management of Heart Failure.

Journal Article J Card Fail · May 2022 AIM: The "2022 AHA/ACC/HFSA Guideline for the Management of Heart Failure" replaces the "2013 ACCF/AHA Guideline for the Management of Heart Failure" and the "2017 ACC/AHA/HFSA Focused Update of the 2013 ACCF/AHA Guideline for the Management of Heart Failu ... Full text Link to item Cite

Longitudinal Outcomes of Subcutaneous or Transvenous Implantable Cardioverter-Defibrillators in Older Patients.

Journal Article J Am Coll Cardiol · March 22, 2022 BACKGROUND: The subcutaneous (S-) implantable cardioverter-defibrillator (ICD) is an alternative to the transvenous (TV-) ICD that is increasingly implanted in younger patients; data on the safety and effectiveness of the S-ICD in older patients are lackin ... Full text Link to item Cite

Sex Differences in Heart Failure.

Journal Article J Card Fail · March 2022 Heart failure (HF) continues to be a major contributor of morbidity and mortality for men and women alike, yet how the predisposition for, course and management of HF differ between men and women remains underexplored. Sex differences in traditional risk f ... Full text Link to item Cite

Leadless pacemaker implantation after lead extraction for cardiac implanted electronic device infection.

Journal Article J Cardiovasc Electrophysiol · March 2022 BACKGROUND: Cardiac implanted electronic device (CIED) pocket and systemic infection remain common complications with traditional CIEDs and are associated with high morbidity and mortality. Leadless pacemakers may be an attractive pacing alternative for ma ... Full text Link to item Cite

Complications and Mortality Following CRT-D Versus ICD Implants in Older Medicare Beneficiaries With Heart Failure.

Journal Article JACC Heart Fail · March 2022 OBJECTIVES: This study sought to assess the comparative effectiveness of cardiac resynchronization therapy with defibrillator (CRT-D) over implantable cardioverter-defibrillator (ICD) alone in older Medicare patients with heart failure with reduced ejectio ... Full text Link to item Cite

Arrhythmias in Female Patients: Incidence, Presentation and Management.

Journal Article Circ Res · February 18, 2022 There is a growing appreciation for differences in epidemiology, treatment, and outcomes of cardiovascular conditions by sex. Historically, cardiovascular clinical trials have under-represented females, but findings have nonetheless been applied to clinica ... Full text Link to item Cite

Sixth Annual Go Red for Women Issue.

Journal Article Circulation · February 15, 2022 Full text Link to item Cite

Treatment of older patients with atrial fibrillation by morbidity burden.

Journal Article Eur Heart J Qual Care Clin Outcomes · January 5, 2022 AIMS: Older patients with atrial fibrillation (AF) are at risk of adverse outcomes, which is accentuated by comorbidities. We sought to examine the association between morbidity burden and the treatment of older AF patients. METHODS AND RESULTS: Using Dani ... Full text Link to item Cite

Factors and outcomes associated with improved left ventricular systolic function in patients with cardiomyopathy.

Journal Article Cardiol J · 2022 BACKGROUND: Many patients in the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT) had a significant improvement (> 10%) in the left ventricular ejection fraction (LVEF) during the course of the study, but the factors and outcomes associated with such ... Full text Link to item Cite

Analysis of Respiratory Fluoroquinolones and the Risk of Sudden Cardiac Death Among Patients Receiving Hemodialysis.

Journal Article JAMA Cardiol · January 1, 2022 IMPORTANCE: Respiratory fluoroquinolone antibiotics are some of the most common medications with QT interval-prolonging potential prescribed to patients with hemodialysis-dependent kidney failure-individuals who have a very high risk of sudden cardiac deat ... Full text Link to item Cite

Outcomes of Cardiac Resynchronization Therapy with Image-Guided Left Ventricular Lead Placement at the Site of Latest Mechanical Activation: A Systematic Review and Meta-Analysis.

Journal Article J Interv Cardiol · 2022 AIM: To assess evidence for an image-guided approach for cardiac resynchronization therapy (CRT) that targets left ventricular (LV) lead placement at the segment of latest mechanical activation. METHODS: A systematic review of EMBASE and PubMed was perform ... Full text Open Access Link to item Cite

Racial and Ethnic Differences in the Management of Atrial Fibrillation.

Journal Article CJC Open · December 2021 Atrial fibrillation (AF) is the most common clinical arrhythmia, and it results in adverse outcomes and increased healthcare costs. Racial and ethnic differences in AF management, although recognized, are poorly understood. This review summarizes racial di ... Full text Link to item Cite

Sex Differences in Procedural Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion: Insights From the NCDR LAAO Registry.

Journal Article JAMA Cardiol · November 1, 2021 IMPORTANCE: Left atrial appendage occlusion (LAAO) has emerged as an alternative to anticoagulation for select patients with atrial fibrillation; however, women have been underrepresented in clinical trials of LAAO, and sex-specific subanalyses are limited ... Full text Link to item Cite

Outcomes for patients with anterior myocardial infarction and prior cardiac arrest in the home automated external defibrillator trial (HAT).

Journal Article Resuscitation · November 2021 BACKGROUND: Patients with sudden cardiac arrest occurring in the acute phase of myocardial infarction (MI-SCA) are believed to be at similar risk of death after revascularization compared with MI patients without SCA (MI-no SCA). Among patients with anteri ... Full text Link to item Cite

Optimizing mechanically sensed atrial tracking in patients with atrioventricular-synchronous leadless pacemakers: A single-center experience.

Journal Article Heart Rhythm O2 · October 2021 BACKGROUND: Atrioventricular (AV)-synchronous single-chamber leadless pacing using a mechanical atrial sensing algorithm produced high AV synchrony in clinical trials, but clinical practice experience with these devices has not yet been described. OBJECTIV ... Full text Open Access Link to item Cite

Research Priorities in the Secondary Prevention of Atrial Fibrillation: A National Heart, Lung, and Blood Institute Virtual Workshop Report.

Journal Article J Am Heart Assoc · August 17, 2021 There has been sustained focus on the secondary prevention of coronary heart disease and heart failure; yet, apart from stroke prevention, the evidence base for the secondary prevention of atrial fibrillation (AF) recurrence, AF progression, and AF-related ... Full text Link to item Cite

HRS White Paper on Clinical Utilization of Digital Health Technology.

Journal Article Cardiovasc Digit Health J · August 2021 This collaborative statement from the Digital Health Committee of the Heart Rhythm Society provides everyday clinical scenarios in which wearables may be utilized by patients for cardiovascular health and arrhythmia management. We describe herein the spect ... Full text Link to item Cite

Premature permanent discontinuation of apixaban or warfarin in patients with atrial fibrillation.

Journal Article Heart · May 2021 AIMS: The ARISTOTLE (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) trial randomised patients with atrial fibrillation at risk of stroke to apixaban or warfarin. We sought to describe patients from ARISTOTLE who pr ... Full text Link to item Cite

Fifth Annual Go Red for Women Issue.

Journal Article Circulation · February 16, 2021 Full text Link to item Cite

2020 ACC/AHA Guideline for the Management of Patients With Valvular Heart Disease: Executive Summary: A Report of the American College of Cardiology/American Heart Association Joint Committee on Clinical Practice Guidelines.

Journal Article Circulation · February 2, 2021 AIM: This executive summary of the valvular heart disease guideline provides recommendations for clinicians to diagnose and manage valvular heart disease as well as supporting documentation to encourage their use. METHODS: A comprehensive literature search ... Full text Link to item Cite

OptiVol for Volume Assessment in Patients With Continuous Flow Left Ventricular Assist Device.

Journal Article ASAIO J · February 1, 2021 OptiVol (Medtronic PLC, Minneapolis, MN) is a diagnostic feature of some cardiac implantable electronic devices (CIEDs) based on changes in thoracic impedance (TI) over time. Changes in TI can predict heart failure (HF) hospitalizations and mortality in HF ... Full text Link to item Cite

Changes in the digital health landscape in cardiac electrophysiology: A pre-and peri-pandemic COVID-19 era survey.

Journal Article Cardiovasc Digit Health J · February 2021 BACKGROUND: Digital health is transforming healthcare delivery. OBJECTIVE: To compare the current digital health landscape in select groups of cardiac electrophysiology (EP) professionals prior to and during the COVID-19 era. METHODS: Two online surveys we ... Full text Link to item Cite

Research Priorities in Atrial Fibrillation Screening: A Report From a National Heart, Lung, and Blood Institute Virtual Workshop.

Journal Article Circulation · January 26, 2021 Clinically recognized atrial fibrillation (AF) is associated with higher risk of complications, including ischemic stroke, cognitive decline, heart failure, myocardial infarction, and death. It is increasingly recognized that AF frequently is undetected un ... Full text Link to item Cite

Cardiac Myosin Activation with Omecamtiv Mecarbil in Systolic Heart Failure.

Journal Article N Engl J Med · January 14, 2021 BACKGROUND: The selective cardiac myosin activator omecamtiv mecarbil has been shown to improve cardiac function in patients with heart failure with a reduced ejection fraction. Its effect on cardiovascular outcomes is unknown. METHODS: We randomly assigne ... Full text Link to item Cite

Implantable Cardioverter Defibrillator Utilization and Mortality Among Patients ≥65 Years of Age With a Low Ejection Fraction After Coronary Revascularization.

Journal Article Am J Cardiol · January 1, 2021 The purpose of this analysis was to assess implantable cardioverter-defibrillator (ICD) utilization and its association with mortality among patients ≥65 years of age after coronary revascularization. Patients in the National Cardiovascular Database Regist ... Full text Link to item Cite

Risk stratification using late gadolinium enhancement on cardiac magnetic resonance imaging in patients with hypertrophic cardiomyopathy: A systematic review and meta-analysis.

Journal Article Prog Cardiovasc Dis · 2021 Background The role of late gadolinium enhancement (LGE) on cardiac magnetic resonance imaging (c-MRI) for predicting outcomes of patients with hypertrophic cardiomyopathy (HCM) has been debated. Methods We searched PubMed and Embase and various published ... Full text Link to item Cite

Right ventricular lead location and outcomes among patients with cardiac resynchronization therapy: A meta-analysis.

Journal Article Prog Cardiovasc Dis · 2021 BACKGROUND: Cardiac resynchronization therapy (CRT) has been demonstrated to improve heart failure (HF) symptoms, reverse LV remodeling, and reduce mortality and HF hospitalization (HFH) in patients with a reduced left ventricular (LV) ejection fraction (L ... Full text Link to item Cite

Emerging topics in electrophysiology.

Journal Article Prog Cardiovasc Dis · 2021 Full text Link to item Cite

The role of atrial fibrillation catheter ablation in patients with heart failure.

Journal Article Prog Cardiovasc Dis · 2021 Atrial Fibrillation (AF) and heart failure (HF) with reduced ejection fraction (HFrEF) frequently coexist, resulting in significant morbidity and mortality. Therapeutic options for patients with AF and HFrEF are limited due to few antiarrhythmic drug (AAD) ... Full text Link to item Cite

Epidemiology, evaluation, and management of conduction disturbances after transcatheter aortic valve replacement.

Journal Article Prog Cardiovasc Dis · 2021 Aortic stenosis is the most common valvulopathy requiring replacement by means of the surgical or transcatheter approach. Transcatheter aortic valve replacement (TAVR) has quickly become a viable and often preferred treatment strategy compared to surgical ... Full text Link to item Cite

Digital health in electrophysiology and the COVID-19 global pandemic.

Journal Article Heart rhythm O2 · December 2020 The tools of digital health are facilitating a much-needed paradigm shift to a more patient-centric health care delivery system, yet our health care infrastructure is firmly rooted in a 20th-century model that was not designed to receive medical data from ... Full text Cite

Management of Atrial Fibrillation in Older Patients by Morbidity Burden: Insights From Get With The Guidelines-Atrial Fibrillation.

Journal Article J Am Heart Assoc · December 2020 Background Knowledge is scarce regarding how multimorbidity is associated with therapeutic decisions regarding oral anticoagulants (OACs) in patients with atrial fibrillation. Methods and Results We conducted a cross-sectional study of hospitalized patient ... Full text Open Access Link to item Cite

Trends in Use and In-Hospital Outcomes of Subcutaneous Implantable Cardioverter Defibrillators in Patients Undergoing Long-Term Dialysis.

Journal Article Clin J Am Soc Nephrol · November 6, 2020 BACKGROUND AND OBJECTIVES: Patients on dialysis are at high risk of complications related to implantable cardioverter defibrillator (ICD) implantation; use of subcutaneous ICDs may be preferred over transvenous devices due to lower risk of bloodstream infe ... Full text Link to item Cite

Prognostic value of myocardial fibrosis on cardiac magnetic resonance imaging in patients with ischemic cardiomyopathy: A systematic review.

Journal Article Am Heart J · November 2020 UNLABELLED: The use of cardiac magnetic resonance imaging (c-MRI) in risk stratification for clinical outcomes of patients with ischemic cardiomyopathy (ICM) remains low. This systematic review investigated the prognostic value of myocardial fibrosis as as ... Full text Link to item Cite

Underuse of oral anticoagulants in privately insured patients with atrial fibrillation: A population being targeted by the IMplementation of a randomized controlled trial to imProve treatment with oral AntiCoagulanTs in patients with Atrial Fibrillation (IMPACT-AFib).

Journal Article Am Heart J · November 2020 BACKGROUND: Many studies showing underuse of oral anticoagulants (OACs) in patients with atrial fibrillation (AF) predated the advent of the non-vitamin K antagonist OACs. We retrospectively examined use of OACs in a large commercially insured population. ... Full text Link to item Cite

Stellate Ganglion Blockade: an Intervention for the Management of Ventricular Arrhythmias.

Journal Article Curr Hypertens Rep · October 23, 2020 PURPOSE OF REVIEW: To highlight the indications, procedural considerations, and data supporting the use of stellate ganglion blockade (SGB) for management of refractory ventricular arrhythmias. RECENT FINDINGS: In patients with refractory ventricular arrhy ... Full text Open Access Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias: Executive summary.

Journal Article J Interv Card Electrophysiol · October 2020 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias.

Journal Article J Interv Card Electrophysiol · October 2020 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

Sex differences in left ventricular electrical dyssynchrony and outcomes with cardiac resynchronization therapy.

Journal Article Heart Rhythm O2 · October 2020 BACKGROUND: Women seem to derive more benefit from cardiac resynchronization therapy (CRT) than men, even after accounting for the higher burden of risk factors for nonresponse often observed in men. OBJECTIVE: To assess for sex-specific differences in lef ... Full text Link to item Cite

Applying patient-reported outcome methodology to capture patient-reported health data: Report from an NIH Collaboratory roundtable.

Journal Article Healthc (Amst) · September 2020 Patient-reported health data provide information for pragmatic clinical trials that may not be readily available from electronic health records or administrative claims data. In this report, we present key considerations for collecting patient-reported hea ... Full text Link to item Cite

Catheter ablation of atrial fibrillation in patients with diabetes mellitus.

Journal Article Heart Rhythm O2 · August 2020 BACKGROUND: Diabetes mellitus (DM) is an independent risk factor for atrial fibrillation (AF). Few studies have compared clinical outcomes after catheter ablation between patients with and those without DM. OBJECTIVE: The purpose of this study was to compa ... Full text Open Access Link to item Cite

Comparative Effectiveness of Primary Prevention Implantable Cardioverter-Defibrillators in Older Heart Failure Patients With Diabetes Mellitus.

Journal Article J Am Heart Assoc · June 16, 2020 Background There are conflicting data regarding the benefit of primary prevention implantable cardioverter-defibrillators (ICDs) in patients with diabetes mellitus and heart failure (HF) with reduced ejection fraction. We aimed to assess the comparative ef ... Full text Link to item Cite

Advancing Research on the Complex Interrelations Between Atrial Fibrillation and Heart Failure: A Report From a US National Heart, Lung, and Blood Institute Virtual Workshop.

Journal Article Circulation · June 9, 2020 The interrelationships between atrial fibrillation (AF) and heart failure (HF) are complex and poorly understood, yet the number of patients with AF and HF continues to increase worldwide. Thus, there is a need for initiatives that prioritize research on t ... Full text Link to item Cite

Periprocedural Risk and Survival Associated With Implantable Cardioverter-Defibrillator Placement in Older Patients With Advanced Heart Failure.

Journal Article JAMA Cardiol · June 1, 2020 IMPORTANCE: Little is known about the utilization rates and outcomes of implantable cardioverter-defibrillator (ICD) and cardiac resynchronization therapy defibrillator (CRT-D) placement among patients with advanced heart failure (HF). OBJECTIVE: To examin ... Full text Link to item Cite

One-year mortality after implantable cardioverter-defibrillator placement within the Veterans Affairs Health System.

Journal Article Eur J Heart Fail · May 2020 AIMS: Implantable cardioverter-defibrillator (ICD) therapy reduces mortality in patients with heart failure and current guidelines advise implantation of ICDs in patients with a life expectancy of >1 year. We examined trends in all-cause mortality in patie ... Full text Link to item Cite

Future research prioritization in cardiac resynchronization therapy.

Journal Article Am Heart J · May 2020 BACKGROUND: Although cardiac resynchronization therapy (CRT) is effective for some patients with heart failure and a reduced left ventricular ejection fraction (HFrEF), evidence gaps remain for key clinical and policy areas. The objective of the study was ... Full text Link to item Cite

'Real-world' observational studies in arrhythmia research: data sources, methodology, and interpretation. A position document from European Heart Rhythm Association (EHRA), endorsed by Heart Rhythm Society (HRS), Asia-Pacific HRS (APHRS), and Latin America HRS (LAHRS).

Journal Article Europace · May 1, 2020 The field of observational studies or "real world studies" is in rapid development with many new techniques introduced and increased understanding of traditional methods. For this reason the current paper provides an overview of current methods with focus ... Full text Link to item Cite

Complications involving the subcutaneous implantable cardioverter-defibrillator: Lessons learned from MAUDE.

Journal Article Heart Rhythm · March 2020 BACKGROUND: Reports on the subcutaneous implantable cardioverter-defibrillator (S-ICD) cumulatively demonstrate a low rate of complications, but clinical experience with this technology is limited compared with transvenous devices. OBJECTIVE: The purpose o ... Full text Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias: executive summary.

Journal Article Europace · March 1, 2020 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

Fourth Annual Go Red for Women Issue.

Journal Article Circulation · February 18, 2020 Full text Link to item Cite

Research Needs and Priorities for Catheter Ablation of Atrial Fibrillation: A Report From a National Heart, Lung, and Blood Institute Virtual Workshop.

Journal Article Circulation · February 11, 2020 Catheter ablation has brought major advances in the management of patients with atrial fibrillation (AF). As evidenced by multiple randomized trials, AF catheter ablation can reduce the risk of recurrent AF and improve quality of life. In some studies, AF ... Full text Link to item Cite

Sudden cardiac death in patients with myocarditis: Evaluation, risk stratification, and management.

Journal Article Am Heart J · February 2020 Myocarditis is a major cause of sudden cardiac death (SCD) and dilated cardiomyopathy (DCM) in young adults. Cardiac magnetic resonance is the established tool for the diagnosis of myocarditis, and late gadolinium enhancement detected on cardiac magnetic r ... Full text Link to item Cite

Videos to reduce racial disparities in ICD therapy Via Innovative Designs (VIVID) trial: Rational, design and methodology.

Journal Article Am Heart J · February 2020 BACKGROUND: Despite a higher prevalence of sudden cardiac death (SCD), black individuals are less likely than whites to have an implantable cardioverter defibrillator (ICD) implanted. Racial differences in ICD utilization is in part explained by higher ref ... Full text Link to item Cite

Decision-making regarding primary prevention implantable cardioverter-defibrillators among older adults.

Journal Article Clin Cardiol · February 2020 Most implantable cardioverter defibrillators (ICDs) are implanted for the purpose of primary prevention of sudden cardiac death among older patients with heart failure with reduced ejection fraction. Shared decision-making prior to device implantation is g ... Full text Link to item Cite

Effectiveness of catheter ablation of atrial fibrillation according to heart failure etiology.

Journal Article J Arrhythm · February 2020 BACKGROUND: Catheter ablation is an important rhythm control therapy in patients with atrial fibrillation (AF) with concomitant heart failure (HF). The objective of this study was to assess the comparative efficacy of AF ablation patients with ischemic vs ... Full text Open Access Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias: Executive summary.

Journal Article J Arrhythm · February 2020 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

Patients With Atrial Fibrillation Taking Nonsteroidal Anti-Inflammatory Drugs and Oral Anticoagulants in the ARISTOTLE Trial.

Journal Article Circulation · January 7, 2020 BACKGROUND: The use of nonsteroidal anti-inflammatory drugs (NSAIDs) with oral anticoagulants has been associated with an increased risk of bleeding. We investigated the risk of bleeding and major cardiovascular outcomes in patients with atrial fibrillatio ... Full text Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias.

Journal Article Heart Rhythm · January 2020 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias: Executive summary.

Journal Article Heart Rhythm · January 2020 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

Survey of current perspectives on consumer-available digital health devices for detecting atrial fibrillation.

Journal Article Cardiovasc Digit Health J · 2020 BACKGROUND: Many digital health technologies capable of atrial fibrillation (AF) detection are directly available to patients. However, adaptation into clinical practice by heart rhythm healthcare practitioners (HCPs) is unclear. OBJECTIVE: To examine HCP ... Full text Link to item Cite

Characteristics and Outcomes of Atrial Fibrillation in Patients With Thyroid Disease (from the ARISTOTLE Trial).

Journal Article Am J Cardiol · November 1, 2019 Whether patients with atrial fibrillation (AF) and thyroid disease are clinically distinct from those with AF and no thyroid disease is unknown. Furthermore, the effectiveness of anticoagulation for prevention of AF-related thromboembolic events in patient ... Full text Link to item Cite

Predicting atrial fibrillation recurrence after ablation in patients with heart failure: Validity of the APPLE and CAAP-AF risk scoring systems.

Journal Article Pacing Clin Electrophysiol · November 2019 BACKGROUND: Compared with medical therapy, catheter ablation of atrial fibrillation (AF) in patients with heart failure (HF) improves cardiovascular outcomes. Risk scores (CAAP-AF and APPLE) have been developed to predict the likelihood of AF recurrence af ... Full text Open Access Link to item Cite

Physicians' perceptions of shared decision-making for implantable cardioverter-defibrillators: Results of a physician survey.

Journal Article J Cardiovasc Electrophysiol · November 2019 BACKGROUND: Centers for Medicare and Medicaid Services has mandated the use of shared decision-making (SDM) for implantable cardioverter-defibrillator (ICD) implantation. SDM tools help facilitate quality SDM by presenting patients with balanced evidence-b ... Full text Link to item Cite

The subcutaneous implantable cardioverter-defibrillator in review.

Journal Article Am Heart J · November 2019 The subcutaneous implantable cardioverter defibrillator (S-ICD) is a completely extrathoracic device that has recently been FDA approved for the prevention of sudden cardiac death in select populations. Although the transvenous implantable cardioverter def ... Full text Link to item Cite

Catheter Ablation Versus Medical Therapy for Atrial Fibrillation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

Journal Article Circ Arrhythm Electrophysiol · September 2019 BACKGROUND: Despite the publication of several randomized clinical trials comparing catheter ablation (CA) with medical therapy (MT) in patients with atrial fibrillation (AF), the superiority of one strategy over another is still questioned by many. In thi ... Full text Link to item Cite

Impact of physiologic pacing versus right ventricular pacing among patients with left ventricular ejection fraction greater than 35%: A systematic review for the 2018 ACC/AHA/HRS guideline on the evaluation and management of patients with bradycardia and cardiac conduction delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Journal Article Heart Rhythm · September 2019 BACKGROUND: It is unclear whether physiologic pacing by either cardiac biventricular pacing (BiVP) or His bundle pacing (HisBP) may prevent adverse structural and functional consequences known to occur among some patients who receive right ventricular paci ... Full text Link to item Cite

Impact of Physiologic Pacing Versus Right Ventricular Pacing Among Patients With Left Ventricular Ejection Fraction Greater Than 35%: A Systematic Review for the 2018 ACC/AHA/HRS Guideline on the Evaluation and Management of Patients With Bradycardia and Cardiac Conduction Delay: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Journal Article J Am Coll Cardiol · August 20, 2019 BACKGROUND: It is unclear whether physiologic pacing by either cardiac biventricular pacing (BiVP) or His bundle pacing (HisBP) may prevent adverse structural and functional consequences known to occur among some patients who receive right ventricular paci ... Full text Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias.

Journal Article Europace · August 1, 2019 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

2019 HRS/EHRA/APHRS/LAHRS expert consensus statement on catheter ablation of ventricular arrhythmias.

Journal Article J Arrhythm · June 2019 Ventricular arrhythmias are an important cause of morbidity and mortality and come in a variety of forms, from single premature ventricular complexes to sustained ventricular tachycardia and fibrillation. Rapid developments have taken place over the past d ... Full text Link to item Cite

Authors' Reply.

Journal Article J Am Soc Nephrol · June 2019 Full text Link to item Cite

Efficacy and Safety of Apixaban Versus Warfarin in Patients With Atrial Fibrillation and Extremes in Body Weight.

Journal Article Circulation · May 14, 2019 BACKGROUND: Guidelines caution against the use of non-vitamin K antagonist oral anticoagulants in patients with extremely high (>120 kg) or low (≤60 kg) body weight because of a lack of data in these populations. METHODS: In a post hoc analysis of ARISTOTL ... Full text Link to item Cite

Appropriateness of mapping and imaging modalities in interventional electrophysiology

Chapter · April 5, 2019 Interventional electrophysiology has enjoyed explosive growth in the use of new imaging and mapping technologies as well as the novel application of existing technologies. This chapter provides an overview of appropriateness in relation to the use of imagi ... Full text Cite

Interventional Therapy Versus Medical Therapy for Secundum Atrial Septal Defect: A Systematic Review (Part 2) for the 2018 AHA/ACC Guideline for the Management of Adults With Congenital Heart Disease: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines.

Journal Article J Am Coll Cardiol · April 2, 2019 Secundum atrial septal defect (ASD) is the most common adult congenital heart defect and can present with wide variation in clinical findings. With the intention of preventing morbidity and mortality associated with late presentation of ASD, consensus guid ... Full text Link to item Cite

Exploring patient-provider decision-making for use of anticoagulation for stroke prevention in atrial fibrillation: Results of the INFORM-AF study.

Journal Article Eur J Cardiovasc Nurs · April 2019 BACKGROUND: Atrial fibrillation is associated with stroke, yet approximately 50% of patients are not treated with guideline-directed oral anticoagulants (OACs). AIMS: Given that the etiology of this gap in care is not well understood, we explored decision- ... Full text Link to item Cite

Outcomes for Hemodialysis Patients Given Cardiopulmonary Resuscitation for Cardiac Arrest at Outpatient Dialysis Clinics.

Journal Article J Am Soc Nephrol · March 2019 BACKGROUND: Out-of-hospital cardiac arrest, the leading cause of death among patients on hemodialysis, occurs frequently within outpatient dialysis centers. Practice guidelines recommend resuscitation training for all dialysis clinic staff and on-site defi ... Full text Link to item Cite

Third Annual Go Red for Women Issue.

Journal Article Circulation · February 19, 2019 Full text Link to item Cite

Frequency, Regional Variation, and Predictors of Undetermined Cause of Death in Cardiometabolic Clinical Trials: A Pooled Analysis of 9259 Deaths in 9 Trials.

Journal Article Circulation · February 12, 2019 BACKGROUND: Modern cardiometabolic clinical trials often include cardiovascular death as a component of a composite primary outcome, requiring central adjudication by a clinical events committee to classify cause of death. However, sometimes the cause of d ... Full text Link to item Cite

FDA-Catalyst-Using FDA's Sentinel Initiative for large-scale pragmatic randomized trials: Approach and lessons learned during the planning phase of the first trial.

Journal Article Clin Trials · February 2019 BACKGROUND: The US Food and Drug Administration's Sentinel Initiative is well positioned to support pragmatic clinical trials. FDA-Catalyst combines direct contact with health plan members and/or providers with data in the Sentinel infrastructure. Here, we ... Full text Link to item Cite

Timing of cardiac resynchronization therapy device implantation in heart failure patients and its association with outcomes.

Journal Article Clin Cardiol · February 2019 BACKGROUND: When used in appropriately selected heart failure (HF) patients, cardiac resynchronization therapy (CRT) reduces mortality and hospitalization. It is not understood whether CRT implantation during hospitalization for HF is associated with simil ... Full text Link to item Cite

Outcomes of apixaban versus warfarin in patients with atrial fibrillation and multi-morbidity: Insights from the ARISTOTLE trial.

Journal Article Am Heart J · February 2019 BACKGROUND: Patients with atrial fibrillation (AF) often have multi-morbidity, defined as ≥3 comorbid conditions. Multi-morbidity is associated with polypharmacy, adverse events, and frailty potentially altering response to anticoagulation. We sought to de ... Full text Link to item Cite

Is Time From Last Hospitalization for Heart Failure to Placement of a Primary Prevention Implantable Cardioverter-Defibrillator Associated With Patient Outcomes?

Journal Article Circulation · December 11, 2018 BACKGROUND: Landmark studies have demonstrated the safety and efficacy of implantable cardioverter-defibrillators (ICDs) in selected stable ambulatory patients with heart failure (HF) with a reduced ejection fraction receiving optimal medical therapy. It i ... Full text Link to item Cite

Knowledge and Insights Vested in Us by the VEST.

Journal Article Circulation · December 11, 2018 Full text Link to item Cite

Interventions for Preventing Thromboembolic Events in Patients With Atrial Fibrillation: A Systematic Review.

Journal Article Ann Intern Med · December 4, 2018 BACKGROUND: The comparative safety and effectiveness of treatments to prevent thromboembolic complications in atrial fibrillation (AF) remain uncertain. PURPOSE: To compare the effectiveness of medical and procedural therapies in preventing thromboembolic ... Full text Link to item Cite

Predicting Thromboembolic and Bleeding Event Risk in Patients with Non-Valvular Atrial Fibrillation: A Systematic Review.

Journal Article Thromb Haemost · December 2018 BACKGROUND:  Atrial fibrillation (AF) is a common cardiac arrhythmia that increases the risk of stroke. Medical therapy for decreasing stroke risk involves anticoagulation, which may increase bleeding risk for certain patients. In determining the optimal t ... Full text Link to item Cite

Systematic Review for the 2017 ACC/AHA/AAPA/ABC/ACPM/AGS/APhA/ASH/ASPC/NMA/PCNA Guideline for the Prevention, Detection, Evaluation, and Management of High Blood Pressure in Adults: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines.

Journal Article Circulation · October 23, 2018 Objective To review the literature systematically and perform meta-analyses to address these questions: 1) Is there evidence that self-measured blood pressure (BP) without other augmentation is superior to office-based measurement of BP for achieving bette ... Full text Link to item Cite

Use of Biomarkers to Predict Specific Causes of Death in Patients With Atrial Fibrillation.

Journal Article Circulation · October 16, 2018 BACKGROUND: Atrial fibrillation is associated with an increased risk of death. High-sensitivity troponin T, growth differentiation factor-15, NT-proBNP (N-terminal pro-B-type natriuretic peptide), and interleukin-6 levels are predictive of cardiovascular e ... Full text Link to item Cite

Single vs. dual chamber implantable cardioverter-defibrillators or programming of implantable cardioverter-defibrillators in patients without a bradycardia pacing indication: systematic review and meta-analysis.

Journal Article Europace · October 1, 2018 AIMS: Implantable cardioverter-defibrillators (ICDs) are key in the prevention of sudden cardiac death, but outcomes may vary by type of device or programming [single chamber (SC) vs. dual chamber (DC)] in patients without a bradycardia pacing indication. ... Full text Link to item Cite

The Association of Duration of participation in get with the guidelines-resuscitation with quality of Care for in-Hospital Cardiac Arrest.

Journal Article Am Heart J · October 2018 BACKGROUND: Large variations exist in the care processes and outcomes for patients who experience in-hospital cardiac arrest (IHCA). We examined if Get With The Guidelines-Resuscitation (GWTG-R) participation duration was associated with improved care proc ... Full text Link to item Cite

Correction

Journal Article Journal of the American College of Cardiology · October 2018 Full text Cite

Use of Oral Anticoagulation in Eligible Patients Discharged With Heart Failure and Atrial Fibrillation.

Journal Article Circ Heart Fail · October 2018 BACKGROUND: Stroke prophylaxis in patients with atrial fibrillation (AF) and heart failure (HF) in the era of direct oral anticoagulants is not well characterized. Using data from American Heart Association Get With The Guidelines-AFIB, we sought to evalua ... Full text Link to item Cite

The relationship between baseline and follow-up left ventricular ejection fraction with adverse events among primary prevention ICD patients.

Journal Article Am Heart J · July 2018 BACKGROUND: Left ventricular ejection fraction (LVEF) is used to select patients for primary prevention implantable cardioverter defibrillators (ICDs). The relationship between baseline and long-term follow-up LVEF and clinical outcomes among primary preve ... Full text Link to item Cite

In Response.

Journal Article Anesth Analg · July 2018 Full text Link to item Cite

Ventricular Fibrillation Conversion Testing After Implantation of a Subcutaneous Implantable Cardioverter Defibrillator: Report From the National Cardiovascular Data Registry.

Journal Article Circulation · June 5, 2018 BACKGROUND: Compared with transvenous implantable cardioverter defibrillators (ICDs), subcutaneous (S)-ICDs require a higher energy for effective defibrillation. Although ventricular fibrillation conversion testing (CT) is recommended after S-ICD implantat ... Full text Link to item Cite

Implantable cardioverter-defibrillators in heart failure patients with reduced ejection fraction and diabetes.

Journal Article Eur J Heart Fail · June 2018 AIM: There is limited information on the outcomes after primary prevention implantable cardioverter-defibrillator (ICD) implantation in patients with heart failure (HF) and diabetes. This analysis evaluates the effectiveness of a strategy of ICD plus medic ... Full text Link to item Cite

Catheter ablation of atrial fibrillation in patients with heart failure and preserved ejection fraction.

Journal Article Heart Rhythm · May 2018 BACKGROUND: Few studies have examined outcomes of catheter ablation for atrial fibrillation (AF) in patients with heart failure (HF) with preserved ejection fraction (HFpEF). OBJECTIVE: The purpose of this study was to compare outcomes of AF ablation in pa ... Full text Link to item Cite

Permanent pacemaker use among patients with heart failure and preserved ejection fraction: Findings from the Acute Decompensated Heart Failure National Registry (ADHERE) National Registry.

Journal Article Am Heart J · April 2018 BACKGROUND: Heart failure with preserved ejection fraction may be associated with chronotropic incompetence, but little is known about the incidence and prevalence of permanent pacemaker use in this population or factors associated with its use. METHODS: W ... Full text Link to item Cite

Dofetilide dose reductions and discontinuations in women compared with men.

Journal Article Heart Rhythm · April 2018 BACKGROUND: Compared with men, women have longer corrected QT (QTc) intervals, lower clearance of dofetilide, and higher rates of drug-induced torsades de pointes, but the dofetilide dosing algorithm is the same for men and women. OBJECTIVE: The purpose of ... Full text Link to item Cite

Digoxin and Mortality in Patients With Atrial Fibrillation.

Journal Article J Am Coll Cardiol · March 13, 2018 BACKGROUND: Digoxin is widely used in patients with atrial fibrillation (AF). OBJECTIVES: The goal of this paper was to explore whether digoxin use was independently associated with increased mortality in patients with AF and if the association was modifie ... Full text Link to item Cite

Sudden cardiac death after acute heart failure hospital admission: insights from ASCEND-HF.

Conference Eur J Heart Fail · March 2018 AIMS: The incidence of and factors associated with sudden cardiac death (SCD) early after an acute heart failure (HF) hospital admission have not been well defined. METHODS AND RESULTS: We assessed SCD and ventricular arrhythmias in the Acute Study of Clin ... Full text Link to item Cite

When Is It Safe Not to Reimplant an Implantable Cardioverter Defibrillator at the Time of Battery Depletion?

Journal Article Card Electrophysiol Clin · March 2018 The implantable cardioverter defibrillator (ICD) is a life-saving therapy in various patient populations. Although data on the outcomes of initial ICD implants are abundant, data on ICD replacements, especially in patients with improved left ventricular (L ... Full text Link to item Cite

How well does early-career investigators' cardiovascular outcomes research training align with funded outcomes research?

Journal Article Am Heart J · February 2018 BACKGROUND: Outcomes research training programs should prepare trainees to successfully compete for research funding. We examined how early-career investigators' prior and desired training aligns with recently funded cardiovascular (CV) outcomes research. ... Full text Link to item Cite

Training cardiovascular outcomes researchers: A survey of mentees and mentors to identify critical training gaps and needs.

Journal Article Am Heart J · February 2018 BACKGROUND: Many young investigators are interested in cardiovascular (CV) outcomes research; however, the current training experience of early investigators across the United States is uncertain. METHODS: From April to November 2014, we surveyed mentees a ... Full text Link to item Cite

Left Atrial Appendage Electrical Isolation for Treatment of Recurrent Atrial Fibrillation: A Meta-Analysis.

Journal Article JACC Clin Electrophysiol · January 2018 OBJECTIVES: In this study, the authors sought to perform a meta-analysis of controlled studies assessing the relationship between left atrial appendage (LAA) electrical isolation (EI) and recurrent atrial fibrillation (AF). BACKGROUND: LAA triggers could p ... Full text Link to item Cite

The Use of Implantable Cardioverter-defibrillators in the Prevention of Sudden Cardiac Death: A Focus on Congenital Heart Disease and Inherited Arrhythmia Syndromes.

Journal Article J Innov Card Rhythm Manag · January 2018 Some congenital heart diseases (CHDs) and inherited arrhythmia syndromes are associated with an increased risk of sudden cardiac death (SCD). Appropriate selection criteria for implantable cardioverter-defibrillator (ICD) implantation in these patients are ... Full text Open Access Link to item Cite

Causes of Death in a Contemporary Cohort of Patients With Type 2 Diabetes and Atherosclerotic Cardiovascular Disease: Insights From the TECOS Trial.

Journal Article Diabetes Care · December 2017 OBJECTIVE: We evaluated the specific causes of death and their associated risk factors in a contemporary cohort of patients with type 2 diabetes and atherosclerotic cardiovascular disease (ASCVD). RESEARCH DESIGN AND METHODS: We used data from the Trial Ev ... Full text Link to item Cite

Predicting appropriate shocks in patients with heart failure: Patient level meta-analysis from SCD-HeFT and MADIT II.

Conference J Cardiovasc Electrophysiol · November 2017 BACKGROUND: No precise tools exist to predict appropriate shocks in patients with a primary prevention ICD. We sought to identify characteristics predictive of appropriate shocks in patients with a primary prevention implantable cardioverter defibrillator ... Full text Link to item Cite

Outcomes Associated With Extraction Versus Capping and Abandoning Pacing and Defibrillator Leads.

Journal Article Circulation · October 10, 2017 BACKGROUND: Lead management is an increasingly important aspect of care in patients with cardiac implantable electronic devices; however, relatively little is known about long-term outcomes after capping and abandoning leads. METHODS: Using the 5% Medicare ... Full text Link to item Cite

New York Heart Association class and the survival benefit from primary prevention implantable cardioverter defibrillators: A pooled analysis of 4 randomized controlled trials.

Conference Am Heart J · September 2017 BACKGROUND: Primary prevention implantable cardioverter defibrillator (ICD) reduce all-cause mortality by reducing sudden cardiac death. There are conflicting data regarding whether patients with more advanced heart failure derive ICD benefit owing to the ... Full text Link to item Cite

Do Implantable Cardioverter-Defibrillators Lower the Risk of Sudden Death and Total Mortality in Patients with End-Stage Renal Disease?

Journal Article Current Cardiovascular Risk Reports · September 1, 2017 Purpose of Review: Although the risk of sudden cardiac death is high in patients with end-stage renal disease (ESRD), it is not clear if such patients benefit from the implantable cardioverter defibrillator (ICD). This paper reviews data on the risk of sud ... Full text Cite

The Metabolic Syndrome and Risk of Sudden Cardiac Death: The Atherosclerosis Risk in Communities Study.

Journal Article J Am Heart Assoc · August 23, 2017 BACKGROUND: Prior studies have demonstrated a link between the metabolic syndrome and increased risk of cardiovascular mortality. Whether the metabolic syndrome is associated with sudden cardiac death is uncertain. METHODS AND RESULTS: We characterized the ... Full text Link to item Cite

Pacing as a Treatment for Reflex-Mediated (Vasovagal, Situational, or Carotid Sinus Hypersensitivity) Syncope: A Systematic Review for the 2017 ACC/AHA/HRS Guideline for the Evaluation and Management of Patients With Syncope: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Journal Article J Am Coll Cardiol · August 1, 2017 OBJECTIVES: To determine, using systematic review of the biomedical literature, whether pacing reduces risk of recurrent syncope and relevant clinical outcomes among adult patients with reflex-mediated syncope. METHODS: MEDLINE (through PubMed), EMBASE, an ... Full text Link to item Cite

Utilization of cardiac resynchronization therapy in eligible patients hospitalized for heart failure and its association with patient outcomes.

Conference Am Heart J · July 2017 OBJECTIVES: We examined trends in CRT utilization overall and by sex and race and to assess whether CRT use is associated with a reduction in HF hospitalization and mortality. BACKGROUND: It is unknown whether underutilization and race/sex-based difference ... Full text Link to item Cite

Intracranial hemorrhage in patients with atrial fibrillation receiving anticoagulation therapy.

Journal Article Blood · June 1, 2017 We investigated the frequency and characteristics of intracranial hemorrhage (ICH), the factors associated with the risk of ICH, and outcomes post-ICH overall and by randomized treatment. We identified patients with ICH from the overall trial population en ... Full text Link to item Cite

Primary Prevention Implantable Cardioverter Defibrillators in Patients With Nonischemic Cardiomyopathy: A Meta-analysis.

Journal Article JAMA Cardiol · June 1, 2017 IMPORTANCE: Conflicting data have emerged on the efficacy of implantable cardioverter defibrillators (ICDs) for primary prevention of sudden cardiac death (primary prevention ICDs) in patients with nonischemic cardiomyopathy. OBJECTIVE: To investigate the ... Full text Link to item Cite

Temporal Trends in and Factors Associated With Use of Single- Versus Dual-Coil Implantable Cardioverter-Defibrillator Leads: Data From the NCDR ICD Registry.

Journal Article JACC Clin Electrophysiol · June 2017 OBJECTIVES: This analysis evaluated temporal trends and factors associated with the use of dual-coil implantable cardioverter-defibrillator (ICD) leads. BACKGROUND: Data suggest that dual-coil ICD leads are not associated with lower mortality and can be mo ... Full text Link to item Cite

Multiple Comorbidities and Response to Cardiac Resynchronization Therapy: MADIT-CRT Long-Term Follow-Up.

Journal Article J Am Coll Cardiol · May 16, 2017 BACKGROUND: Data regarding cardiac resynchronization therapy (CRT) in patients with multiple comorbidities are limited. OBJECTIVES: This study evaluated the association of multiple comorbidities with the benefits of CRT over implantable cardioverter-defibr ... Full text Link to item Cite

Economic Analysis of Apixaban Therapy for Patients With Atrial Fibrillation From a US Perspective: Results From the ARISTOTLE Randomized Clinical Trial.

Journal Article JAMA Cardiol · May 1, 2017 IMPORTANCE: The Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial reported that apixaban therapy was superior to warfarin therapy in preventing stroke and all-cause death while causing significantly f ... Full text Link to item Cite

Use of Antiarrhythmic Medications in Medicare Part D Patients With an Implantable Cardioverter-Defibrillator and Ventricular Tachycardia.

Journal Article Am J Cardiol · May 1, 2017 Ventricular tachycardia (VT) is common in cardiomyopathy patients with an implantable cardioverter-defibrillator. This analysis evaluated antiarrhythmic medication use and change in use over time in patients with VT and structural heart disease. Query of M ... Full text Link to item Cite

Sudden Cardiac Death in Patients With Ischemic Heart Failure Undergoing Coronary Artery Bypass Grafting: Results From the STICH Randomized Clinical Trial (Surgical Treatment for Ischemic Heart Failure).

Journal Article Circulation · March 21, 2017 BACKGROUND: The risk of sudden cardiac death (SCD) in patients with heart failure after coronary artery bypass graft surgery (CABG) has not been examined in a contemporary clinical trial of surgical revascularization. This analysis describes the incidence, ... Full text Link to item Cite

Prescription of Guideline-Recommended Implantable Cardioverter Defibrillator and Cardiac Resynchronization Therapy Among Patients Hospitalized With Heart Failure and Varying Degrees of Renal Function.

Journal Article Am J Cardiol · March 15, 2017 Implantable cardioverter defibrillators (ICD) and cardiac resynchronization therapy (CRT) reduce mortality in many patients with heart failure (HF), but the current use and effectiveness of ICD/CRT in patients with chronic kidney disease (CKD) are uncertai ... Full text Link to item Cite

Apixaban to prevent stroke in patients with atrial fibrillation: a review.

Journal Article Ther Adv Cardiovasc Dis · March 2017 Atrial fibrillation is a common, costly and morbid cardiovascular arrhythmia. Stroke prevention remains the mainstay of treatment for atrial fibrillation, and the recent advent of novel oral anticoagulants with direct factor IIa or factor Xa inhibition has ... Full text Link to item Cite

Correction

Journal Article Journal of the American College of Cardiology · February 2017 Full text Cite

Outcomes Among Older Patients Receiving Implantable Cardioverter-Defibrillators for Secondary Prevention: From the NCDR ICD Registry.

Journal Article J Am Coll Cardiol · January 24, 2017 BACKGROUND: Clinical trials of implantable cardioverter-defibrillators (ICDs) for secondary prevention of sudden cardiac death were conducted nearly 2 decades ago and enrolled few older patients. OBJECTIVES: This study assessed morbidity and mortality of o ... Full text Link to item Cite

Anticoagulation therapy and clinical outcomes in patients with recently diagnosed atrial fibrillation: Insights from the ARISTOTLE trial.

Journal Article Int J Cardiol · January 15, 2017 BACKGROUND: Evidence supporting use of antithrombotic therapy in atrial fibrillation (AF) is based mainly on data from patients with permanent, persistent, or paroxysmal AF. Less is known about the risk following a new diagnosis of AF and the efficacy and ... Full text Link to item Cite

Reassessment of Cardiac Function and Implantable Cardioverter-Defibrillator Use Among Medicare Patients With Low Ejection Fraction After Myocardial Infarction.

Journal Article Circulation · January 3, 2017 BACKGROUND: Guidelines recommend that patients with low ejection fraction (EF) after myocardial infarction (MI) have their EF reassessed 40 days after MI for implantable cardioverter-defibrillator (ICD) candidacy. This study examines rates of EF reassessme ... Full text Link to item Cite

Survival After Secondary Prevention Implantable Cardioverter-Defibrillator Placement: An Analysis From the NCDR ICD Registry.

Journal Article JACC Clin Electrophysiol · January 2017 OBJECTIVES: This study sought to define the characteristics and risks of death of patients receiving a physician-designated secondary prevention implantable cardioverter-defibrillator (ICD) in contemporary clinical practice. BACKGROUND: Data on utilization ... Full text Link to item Cite

Resuscitation Science in Circulation: A Timely Topic.

Journal Article Circulation · December 20, 2016 Full text Link to item Cite

Correction

Journal Article Journal of the American College of Cardiology · December 2016 Full text Cite

Correction

Journal Article Journal of the American College of Cardiology · December 2016 Full text Cite

Association Between a Prolonged PR Interval and Outcomes of Cardiac Resynchronization Therapy: A Report From the National Cardiovascular Data Registry.

Journal Article Circulation · November 22, 2016 BACKGROUND: A prolonged PR interval is common among cardiac resynchronization therapy (CRT) candidates; however, the association between PR interval and outcomes is unclear, and the data are conflicting. METHODS: We conducted inverse probability weighted a ... Full text Link to item Cite

Trends and In-Hospital Outcomes Associated With Adoption of the Subcutaneous Implantable Cardioverter Defibrillator in the United States.

Journal Article JAMA Cardiol · November 1, 2016 IMPORTANCE: Trends and in-hospital outcomes associated with early adoption of the subcutaneous implantable cardioverter defibrillator (S-ICD) in the United States have not been described. OBJECTIVES: To describe early use of the S-ICD in the United States ... Full text Link to item Cite

Defibrillators: Selecting the Right Device for the Right Patient.

Journal Article Circulation · November 1, 2016 Advances in the field of defibrillation have brought to practice different types of devices that include the transvenous implantable cardioverter-defibrillator (ICD) with or without cardiac resynchronization therapy, the subcutaneous ICD (S-ICD), and the w ... Full text Link to item Cite

Measuring quality in electrophysiology.

Journal Article J Interv Card Electrophysiol · October 2016 The evolving healthcare environment demands optimally measured quality of care. Performance measures are increasingly being used for quality improvement, public reporting, and reimbursement determinations. The National Quality Forum has created rigorous cr ... Full text Link to item Cite

Apixaban 5 mg Twice Daily and Clinical Outcomes in Patients With Atrial Fibrillation and Advanced Age, Low Body Weight, or High Creatinine: A Secondary Analysis of a Randomized Clinical Trial.

Journal Article JAMA Cardiol · September 1, 2016 IMPORTANCE: In the Apixaban for Reduction of Stroke and Other Thromboembolic Complications in Atrial Fibrillation (ARISTOTLE) trial, the standard dose of apixaban was 5 mg twice daily; patients with at least 2 dose-reduction criteria-80 years or older, wei ... Full text Link to item Cite

Sex and Race/Ethnicity Differences in Implantable Cardioverter-Defibrillator Counseling and Use Among Patients Hospitalized With Heart Failure: Findings from the Get With The Guidelines-Heart Failure Program.

Journal Article Circulation · August 16, 2016 BACKGROUND: Previous studies have found that women and black patients eligible for a primary prevention implantable cardioverter-defibrillator (ICD) are less likely than men or white patients to receive one. METHODS: We performed an observational analysis ... Full text Link to item Cite

Catheter ablation of ventricular tachycardia: Lessons learned from past clinical trials and implications for future clinical trials.

Journal Article Heart Rhythm · August 2016 Catheter ablation of ventricular tachycardia (VT) has evolved in recent years, especially in patients with ischemic heart disease. Data from prospective studies show that VT catheter ablation reduces the risk of recurrent VT; however, there is a paucity of ... Full text Link to item Cite

Outcomes 1 Year After Implantable Cardioverter-Defibrillator Lead Abandonment Versus Explantation for Unused or Malfunctioning Leads: A Report from the National Cardiovascular Data Registry.

Journal Article Circ Arrhythm Electrophysiol · July 2016 BACKGROUND: Patients with an unused or malfunctioning implantable cardioverter-defibrillator (ICD) lead may have the lead either abandoned or explanted; yet there are limited data on the comparative acute and longer-term safety of these 2 approaches. METHO ... Full text Link to item Cite

Comparative Effectiveness of Cardiac Resynchronization Therapy Among Patients With Heart Failure and Atrial Fibrillation: Findings From the National Cardiovascular Data Registry's Implantable Cardioverter-Defibrillator Registry.

Journal Article Circ Heart Fail · June 2016 BACKGROUND: Atrial fibrillation is common in patients with heart failure, but outcomes of patients with both conditions who receive cardiac resynchronization therapy with defibrillator (CRT-D) compared with an implantable cardioverter-defibrillator (ICD) a ... Full text Link to item Cite

History of bleeding and outcomes with apixaban versus warfarin in patients with atrial fibrillation in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation trial.

Journal Article Am Heart J · May 2016 AIMS: History of bleeding strongly influences decisions for anticoagulation in atrial fibrillation (AF). We analyzed outcomes in relation to history of bleeding and randomization in ARISTOTLE trial patients. METHODS AND RESULTS: The on-treatment safety pop ... Full text Link to item Cite

Risk Stratification for Arrhythmic Events in Patients With Asymptomatic Pre-Excitation: A Systematic Review for the 2015 ACC/AHA/HRS Guideline for the Management of Adult Patients With Supraventricular Tachycardia: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Journal Article Circulation · April 5, 2016 OBJECTIVE: To review the literature systematically to determine whether noninvasive or invasive risk stratification, such as with an electrophysiological study of patients with asymptomatic pre-excitation, reduces the risk of arrhythmic events and improves ... Full text Link to item Cite

Risk Stratification for Arrhythmic Events in Patients With Asymptomatic Pre-Excitation: A Systematic Review for the 2015 ACC/AHA/HRS Guideline for the Management of Adult Patients With Supraventricular Tachycardia: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Journal Article J Am Coll Cardiol · April 5, 2016 OBJECTIVE: To review the literature systematically to determine whether noninvasive or invasive risk stratification, such as with an electrophysiological study of patients with asymptomatic pre-excitation, reduces the risk of arrhythmic events and improves ... Full text Link to item Cite

Risk stratification for arrhythmic events in patients with asymptomatic pre-excitation: A systematic review for the 2015 ACC/AHA/HRS guideline for the management of adult patients with supraventricular tachycardia: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society.

Journal Article Heart Rhythm · April 2016 OBJECTIVE: To review the literature systematically to determine whether noninvasive or invasive risk stratification, such as with an electrophysiological study of patients with asymptomatic pre-excitation, reduces the risk of arrhythmic events and improves ... Full text Link to item Cite

Surgery for aortic dilatation in patients with bicuspid aortic valves

Journal Article The Journal of Thoracic and Cardiovascular Surgery · April 2016 Full text Cite

Sudden Cardiac Death After Non-ST-Segment Elevation Acute Coronary Syndrome.

Journal Article JAMA Cardiol · April 1, 2016 IMPORTANCE: In the current therapeutic era, the risk for sudden cardiac death (SCD) after non-ST-segment elevation acute coronary syndrome (NSTE ACS) has not been characterized completely. OBJECTIVE: To determine the cumulative incidence of SCD during long ... Full text Link to item Cite

Association Between Hospital Process Composite Performance and Patient Outcomes After In-Hospital Cardiac Arrest Care.

Journal Article JAMA Cardiol · April 1, 2016 IMPORTANCE: Survival rates after in-hospital cardiac arrest (IHCA) vary significantly among US centers; whether this variation is owing to differences in IHCA care quality is unknown. OBJECTIVE: To evaluate hospital-level variation to determine whether hos ... Full text Link to item Cite

Catheter ablation for ventricular tachycardia (VT) in patients with ischemic heart disease: a systematic review and a meta-analysis of randomized controlled trials.

Journal Article J Interv Card Electrophysiol · March 2016 BACKGROUND: Patients with ischemic heart disease may have implantable cardioverter defibrillators (ICDs) implanted for primary or secondary prevention of sudden cardiac death. Although ICD shocks can be life saving, in some patients, they have been associa ... Full text Link to item Cite

Surgery for Aortic Dilatation in Patients With Bicuspid Aortic Valves: A Statement of Clarification From the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines.

Journal Article Circulation · February 16, 2016 Two guidelines from the American College of Cardiology (ACC), the American Heart Association (AHA), and collaborating societies address the risk of aortic dissection in patients with bicuspid aortic valves and severe aortic enlargement: the "2010 ACCF/AHA/ ... Full text Link to item Cite

Proceedings from Heart Rhythm Society's emerging technologies forum, Boston, MA, May 12, 2015.

Journal Article Heart Rhythm · February 2016 Physicians are in an excellent position to significantly contribute to medical device innovation, but the process of bringing an idea to the bedside is complex. To begin to address these perceived barriers, the Heart Rhythm Society convened a forum of stak ... Full text Link to item Cite

Chronic obstructive pulmonary disease in patients with atrial fibrillation: Insights from the ARISTOTLE trial.

Journal Article Int J Cardiol · January 1, 2016 BACKGROUND: Comorbid chronic obstructive pulmonary disease (COPD) is associated with poor outcomes among patients with cardiovascular disease. The risks of stroke and mortality associated with COPD among patients with atrial fibrillation are not well under ... Full text Link to item Cite

Predictable and SuStainable Implementation of National Cardiovascular Registries (PASSION) infrastructure: A think tank report from Medical Device Epidemiological Network Initiative (MDEpiNet).

Journal Article Am 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 text Link to item Cite

High-degree atrioventricular block, asystole, and electro-mechanical dissociation complicating non-ST-segment elevation myocardial infarction.

Journal Article Am Heart J · January 2016 UNLABELLED: Non-ST-segment myocardial infarction (NSTEMI) can be complicated by high-degree atrioventricular (AV) block, asystole, or electromechanical dissociation (EMD), but these events are not well characterized in the contemporary era. This analysis a ... Full text Link to item Cite

Comparative Effectiveness of Implantable Cardioverter Defibrillators for Primary Prevention in Women.

Journal Article Circ Heart Fail · January 2016 BACKGROUND: Clinical trials of implantable cardioverter defibrillators (ICDs) for primary prevention enrolled a limited number of women. We sought to examine clinical practice data to compare survival rates among women with heart failure with or without a ... Full text Link to item Cite

Comparative Effectiveness of CRT-D Versus Defibrillator Alone in HF Patients With Moderate-to-Severe Chronic Kidney Disease.

Journal Article J Am Coll Cardiol · December 15, 2015 BACKGROUND: Patients with moderate-to-severe chronic kidney disease (CKD) are poorly represented in clinical trials of cardiac resynchronization therapy (CRT). OBJECTIVES: This study sought to assess the real-world comparative effectiveness of CRT with def ... Full text Link to item Cite

Clinical outcomes in patients with atrial fibrillation according to sex during anticoagulation with apixaban or warfarin: a secondary analysis of a randomized controlled trial.

Journal Article Eur Heart J · December 7, 2015 AIM: To assess clinical outcomes, efficacy, and safety according to sex during anticoagulation with apixaban compared with warfarin in patients with atrial fibrillation. METHODS AND RESULTS: Apixaban for Reduction in Stroke and Other Thromboembolic Events ... Full text Link to item Cite

Future Research Prioritization: Implantable Cardioverter-Defibrillator Therapy in Older Patients.

Journal Article J Gen Intern Med · December 2015 BACKGROUND: Although the implantable cardioverter-defibrillator (ICD) is highly effective therapy for preventing sudden cardiac death, there is considerable uncertainty about its benefits and harms in older patients, especially in the presence of factors, ... Full text Link to item Cite

Ethical responsibilities toward indirect and collateral participants in pragmatic clinical trials.

Journal Article Clin Trials · October 2015 Pragmatic clinical trials are designed to inform decision makers about the benefits, burdens, and risks of health interventions in real-world settings. Pragmatic clinical trials often use for research purposes data collected in the course of clinical pract ... Full text Link to item Cite

The Food and Drug Administration and pragmatic clinical trials of marketed medical products.

Journal Article Clin Trials · October 2015 Pragmatic clinical trials can help answer questions of comparative effectiveness for interventions routinely used in medical practice. Pragmatic clinical trials may examine outcomes of one or more marketed medical products, and they are heterogeneous in de ... Full text Link to item Cite

Management of pace-terminated ventricular arrhythmias.

Journal Article Card Electrophysiol Clin · September 2015 An implantable-cardioverter defibrillator (ICD) can terminate ventricular arrhythmias by delivering a shock or by antitachycardia pacing (ATP). The ATP works by capturing the excitable gap and disrupting re-entrant ventricular arrhythmias. Multiple studies ... Full text Link to item Cite

Association Between Comorbidities and Outcomes in Heart Failure Patients With and Without an Implantable Cardioverter-Defibrillator for Primary Prevention.

Journal Article J Am Heart Assoc · August 6, 2015 BACKGROUND: Implantable cardioverter-defibrillator (ICD) therapy is associated with improved outcomes in patients with heart failure (HF), but whether this association holds among older patients with multiple comorbid illnesses and worse HF burden remains ... Full text Open Access Link to item Cite

Complications from prophylactic replacement of cardiac implantable electronic device generators in response to United States Food and Drug Administration recall: A systematic review and meta-analysis.

Journal Article Heart Rhythm · July 2015 BACKGROUND: The number of cardiac implantable electronic device (CIED) recalls and advisories has increased over the past 3 decades, yet no consensus exists on how to best manage patients with these CIEDs, partially because rates of complications from prop ... Full text Link to item Cite

Implantable Cardioverter-Defibrillator Use Among Medicare Patients With Low Ejection Fraction After Acute Myocardial Infarction.

Journal Article JAMA · June 23, 2015 IMPORTANCE: Implantable cardioverter-defibrillators (ICDs) are not recommended within 40 days of myocardial infarction (MI); thus, ICD implantation might not be considered during the post-MI care transition. OBJECTIVE: To examine ICD implantation rates and ... Full text Link to item Cite

Primary prevention implantable cardioverter defibrillators in end-stage kidney disease patients on dialysis: a matched cohort study.

Journal Article Nephrol Dial Transplant · May 2015 BACKGROUND: Sudden cardiac death is the leading cause of death among end-stage kidney disease patients (ESKD) on dialysis, but the benefit of primary prevention implantable cardioverter defibrillators (ICDs) in this population is uncertain. We conducted th ... Full text Link to item Cite

Comparisons of hospitalization rates among younger atrial fibrillation patients receiving different antiarrhythmic drugs.

Journal Article Circ Cardiovasc Qual Outcomes · May 2015 BACKGROUND: Antiarrhythmic drugs (AADs) are used to reduce the frequency, severity, and duration of atrial fibrillation (AF) events, which should reduce hospitalizations; however, little is known about the associations between different AADs and hospitaliz ... Full text Link to item Cite

Survival benefit of the primary prevention implantable cardioverter-defibrillator among older patients: does age matter? An analysis of pooled data from 5 clinical trials.

Journal Article Circ Cardiovasc Qual Outcomes · March 2015 BACKGROUND: The impact of patient age on the risks of death or rehospitalization after primary prevention implantable cardioverter-defibrillator (ICD) placement is uncertain. METHODS AND RESULTS: Data from 5 major ICD trials were merged: the Multicenter Au ... Full text Link to item Cite

Implications of ventricular arrhythmia "bursts" with normal epicardial flow, myocardial blush, and ST-segment recovery in anterior ST-elevation myocardial infarction reperfusion: a biosignature of direct myocellular injury "downstream of downstream".

Journal Article Eur 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 text Link to item Cite

Catheter ablation for ventricular tachycardia in patients with an implantable cardioverter defibrillator (CALYPSO) pilot trial.

Journal Article J Cardiovasc Electrophysiol · February 2015 INTRODUCTION: We conducted this pilot randomized clinical trial to determine the feasibility of a large clinical trial aimed at testing whether early use of catheter ablation of ventricular tachycardia (VT) is superior to antiarrhythmic medications at redu ... Full text Link to item Cite

Antiarrhythmic drug use in patients <65 years with atrial fibrillation and without structural heart disease.

Journal Article Am J Cardiol · February 1, 2015 Little is known in clinical practice about antiarrhythmic drug (AAD) use in patients with atrial fibrillation (AF) (particularly younger ones) who do not have structural heart disease. Using the MarketScan database, we identified patients <65 years without ... Full text Link to item Cite

Primary prevention implantable cardioverter-defibrillators and survival in older women.

Journal Article JACC Heart Fail · February 2015 OBJECTIVES: The purpose of this study was to assess the benefit of primary prevention implantable cardioverter defibrillators (ICDs) in women. BACKGROUND: Clinical trials of primary prevention ICDs enrolled a limited number of women. METHODS: Using a prope ... Full text Link to item Cite

Primary prevention implantable cardioverter-defibrillators in older racial and ethnic minority patients.

Journal Article Circ Arrhythm Electrophysiol · February 2015 BACKGROUND: Racial and ethnic minorities are under-represented in clinical trials of primary prevention implantable cardioverter-defibrillators (ICDs). This analysis investigates the association between primary prevention ICDs and mortality among Medicare, ... Full text Link to item Cite

Accuracy and validation of an automated electronic algorithm to identify patients with atrial fibrillation at risk for stroke.

Journal Article Am Heart J · January 2015 BACKGROUND: There is no universally accepted algorithm for identifying atrial fibrillation (AF) patients and stroke risk using electronic data for use in performance measures. METHODS: Patients with AF seen in clinic were identified based on International ... Full text Link to item Cite

Incidence and predictors of appropriate therapies delivered by the implantable cardioverter defibrillator in patients with ischemic cardiomyopathy: a systematic review.

Journal Article Int J Cardiol · December 20, 2014 BACKGROUND: Although the implantable cardioverter defibrillator (ICD) improves the survival of patients at increased risk of sudden cardiac death due to systolic heart failure, ICD shocks have been associated with both worse survival and quality of life. W ... Full text Link to item Cite

Management and clinical outcomes in patients treated with apixaban vs warfarin undergoing procedures.

Journal Article Blood · December 11, 2014 Using data from ARISTOTLE, we describe the periprocedural management of anticoagulation and rates of subsequent clinical outcomes among patients chronically anticoagulated with warfarin or apixaban. We recorded whether (and for how long) anticoagulant ther ... Full text Link to item Cite

Outcomes of implantable cardioverter-defibrillator use in patients with comorbidities: results from a combined analysis of 4 randomized clinical trials.

Journal Article JACC Heart Fail · December 2014 OBJECTIVES: The aim of this study was to determine if the benefit of implantable cardioverter-defibrillators (ICDs) is modulated by medical comorbidity. BACKGROUND: Primary prevention ICDs improve survival in patients at risk for sudden cardiac death. Thei ... Full text Link to item Cite

Clinical effectiveness of cardiac resynchronization therapy versus medical therapy alone among patients with heart failure: analysis of the ICD Registry and ADHERE.

Conference Circ Heart Fail · November 2014 BACKGROUND: Cardiac resynchronization therapy with defibrillator (CRT-D) reduces morbidity and mortality among selected patients with heart failure in clinical trials. The effectiveness of this therapy in clinical practice has not been well studied. METHOD ... Full text Link to item Cite

Amiodarone, anticoagulation, and clinical events in patients with atrial fibrillation: insights from the ARISTOTLE trial.

Journal Article J Am Coll Cardiol · October 14, 2014 BACKGROUND: Amiodarone is an effective medication in preventing atrial fibrillation (AF), but it interferes with the metabolism of warfarin. OBJECTIVES: This study sought to examine the association of major thrombotic clinical events and bleeding with the ... Full text Link to item Cite

Survival after primary prevention implantable cardioverter-defibrillator placement among patients with chronic kidney disease.

Journal Article Circ Arrhythm Electrophysiol · October 2014 BACKGROUND: Guidelines recommend that implantable cardioverter-defibrillator (ICD) candidates have an estimated longevity of ≥1 year. Longevity can be affected by chronic kidney disease (CKD). METHODS AND RESULTS: Using the National Cardiovascular Data Reg ... Full text Link to item Cite

Rates of and factors associated with infection in 200 909 Medicare implantable cardioverter-defibrillator implants: results from the National Cardiovascular Data Registry.

Journal Article Circulation · September 23, 2014 BACKGROUND: The rate of implantable cardioverter-defibrillator (ICD) infections has been increasing faster than that of implantation. We sought to determine the rate and predictors of ICD infection in a large cohort of Medicare patients. METHODS AND RESULT ... Full text Link to item Cite

Comparison of safety of sotalol versus amiodarone in patients with atrial fibrillation and coronary artery disease.

Journal Article Am J Cardiol · September 1, 2014 Sotalol is a commonly prescribed antiarrhythmic drug (AAD) used for maintaining sinus rhythm in patients with atrial fibrillation (AF). Although randomized studies have found that sotalol can significantly delay time to AF recurrence, its association with ... Full text Link to item Cite

Addressing barriers to optimal oral anticoagulation use and persistence among patients with atrial fibrillation: Proceedings, Washington, DC, December 3-4, 2012.

Journal Article Am Heart J · September 2014 Approximately half of patients with atrial fibrillation and with risk factors for stroke are not treated with oral anticoagulation (OAC), whether it be with vitamin K antagonists (VKAs) or novel OACs (NOACs); and of those treated, many discontinue treatmen ... Full text Open Access Link to item Cite

Associations between anticoagulation therapy and risks of mortality and readmission among patients with heart failure and atrial fibrillation.

Journal Article Circ Cardiovasc Qual Outcomes · September 2014 BACKGROUND: Patients with heart failure and atrial fibrillation are at higher risk of thromboembolic events than patients with heart failure alone. Yet, the use of anticoagulation therapy varies in clinical practice, especially among older patients, for wh ... Full text Link to item Cite

Predictors of an inadequate defibrillation safety margin at ICD implantation: insights from the National Cardiovascular Data Registry.

Journal Article J Am Coll Cardiol · July 22, 2014 BACKGROUND: Defibrillation testing is often performed to establish effective arrhythmia termination, but predictors and consequences of an inadequate defibrillation safety margin (DSM) remain largely unknown. OBJECTIVES: The aims of this study were to deve ... Full text Link to item Cite

Implantable cardioverter-defibrillators for primary prevention of sudden cardiac death in CKD: a meta-analysis of patient-level data from 3 randomized trials.

Journal Article Am J Kidney Dis · July 2014 BACKGROUND: The benefit of a primary prevention implantable cardioverter-defibrillator (ICD) among patients with chronic kidney disease is uncertain. STUDY DESIGN: Meta-analysis of patient-level data from randomized controlled trials. SETTING & POPULATION: ... Full text Link to item Cite

Early management of atrial fibrillation to prevent cardiovascular complications.

Journal Article Eur Heart J · June 7, 2014 Atrial fibrillation (AF) is generally considered a progressive disease, typically evolving from paroxysmal through persistent to 'permanent' forms, a process attributed to electrical and structural remodelling related to both the underlying disease and AF ... Full text Link to item Cite

Association between prophylactic implantable cardioverter-defibrillators and survival in patients with left ventricular ejection fraction between 30% and 35%.

Journal Article JAMA · June 4, 2014 IMPORTANCE: Clinical trials of prophylactic implantable cardioverter-defibrillators (ICDs) have included a minority of patients with a left ventricular ejection fraction (LVEF) between 30% and 35%. Because a large number of ICDs in the United States are im ... Full text Link to item Cite

Rate- and rhythm-control therapies in patients with atrial fibrillation: a systematic review.

Journal Article Ann Intern Med · June 3, 2014 BACKGROUND: The comparative effectiveness of treatments for atrial fibrillation (AF) is uncertain. PURPOSE: To evaluate the comparative effectiveness of rate- and rhythm-control therapies. DATA SOURCES: English-language studies in PubMed, EMBASE, and the C ... Full text Link to item Cite

Comparative effectiveness of cardiac resynchronization therapy with an implantable cardioverter-defibrillator versus defibrillator therapy alone: a cohort study.

Journal Article Ann Intern Med · May 6, 2014 BACKGROUND: Trials comparing implantable cardioverter-defibrillator (ICD) therapy with cardiac resynchronization therapy with a defibrillator (CRT-D) are limited to selected patients treated at centers with extensive experience. OBJECTIVE: To compare outco ... Full text Link to item Cite

Warfarin use and long-term outcomes in patients with acute myocardial infarction and atrial fibrillation.

Journal Article J Thromb Thrombolysis · April 2014 Warfarin use in patients with acute myocardial infarction (AMI) and atrial fibrillation (AF) remains challenging. We describe use of warfarin up to 1 year after hospitalization among patients with AMI and AF according to stroke and bleeding risk, and ident ... Full text Link to item Cite

Efficacy and safety of apixaban in patients after cardioversion for atrial fibrillation: insights from the ARISTOTLE Trial (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation).

Journal Article J Am Coll Cardiol · March 25, 2014 OBJECTIVES: The aim of this study was to determine the risk of major clinical and thromboembolic events after cardioversion for atrial fibrillation in subjects treated with apixaban, an oral factor Xa inhibitor, compared with warfarin. BACKGROUND: In patie ... Full text Link to item Cite

Developing a risk model for in-hospital adverse events following implantable cardioverter-defibrillator implantation: a report from the NCDR (National Cardiovascular Data Registry).

Journal Article J Am Coll Cardiol · March 4, 2014 OBJECTIVES: To better inform patients and physicians of the expected risk of adverse events and to assist hospitals' efforts to improve the outcomes of patients undergoing implantable cardioverter-defibrillator (ICD) implantation, we developed and validate ... Full text Link to item Cite

Rates of cardiopulmonary resuscitation training in the United States.

Journal Article JAMA Intern Med · February 1, 2014 IMPORTANCE: Prompt bystander cardiopulmonary resuscitation (CPR) improves the likelihood of surviving an out-of-hospital cardiac arrest. Large regional variations in survival after an out-of-hospital cardiac arrest have been noted. OBJECTIVES: To determine ... Full text Link to item Cite

Adherence and persistence in the use of warfarin after hospital discharge among patients with heart failure and atrial fibrillation.

Journal Article J Card Fail · January 2014 BACKGROUND: Postdischarge adherence and long-term persistence in the use of warfarin among patients with heart failure and atrial fibrillation without contraindications have not been fully described. METHODS AND RESULTS: We identified patients with heart f ... Full text Link to item Cite

Use Of Rate And Rhythm Control Drugs In Patients Younger Than 65 Years With Atrial Fibrillation.

Journal Article J Atr Fibrillation · 2014 Little is known about the use of pharmacologic rhythm or rate control in younger atrial fibrillation (AF) patients in clinical practice. Using commercial health data from 2006 through 2010, patients aged <65 years with an initial AF encounter were categori ... Link to item Cite

Use Of Rate And Rhythm Control Drugs In Patients Younger Than 65 Years With Atrial Fibrillation.

Journal Article J Atr Fibrillation · 2014 Little is known about the use of pharmacologic rhythm or rate control in younger atrial fibrillation (AF) patients in clinical practice. Using commercial health data from 2006 through 2010, patients aged <65 years with an initial AF encounter were categori ... Full text Link to item Cite

Temporal differences in out-of-hospital cardiac arrest incidence and survival.

Journal Article Circulation · December 17, 2013 BACKGROUND: Understanding temporal differences in the incidence and outcomes of out-of-hospital cardiac arrest (OHCA) has important implications for developing preventative strategies and optimizing systems for OHCA care. METHODS AND RESULTS: We studied 18 ... Full text Link to item Cite

Patient, physician, and procedural factors influencing the use of defibrillation testing during initial implantable cardioverter defibrillator insertion: findings from the NCDR®.

Journal Article Pacing Clin Electrophysiol · December 2013 BACKGROUND: Advances in implantable cardioverter defibrillator (ICD) technology have resulted in more effective defibrillation, and the need for defibrillation threshold (DFT) testing has been questioned. METHODS: A total of 64,227 initial ICD implant proc ... Full text Link to item Cite

Personalized management of atrial fibrillation: Proceedings from the fourth Atrial Fibrillation competence NETwork/European Heart Rhythm Association consensus conference.

Journal Article Europace · November 2013 The management of atrial fibrillation (AF) has seen marked changes in past years, with the introduction of new oral anticoagulants, new antiarrhythmic drugs, and the emergence of catheter ablation as a common intervention for rhythm control. Furthermore, n ... Full text Link to item Cite

Adherence to guideline recommendations for antiarrhythmic drugs in atrial fibrillation.

Journal Article Am Heart J · November 2013 BACKGROUND: Atrial fibrillation (AF) guideline recommendations for antiarrhythmic drugs (AADs) are based on the effectiveness and safety of the AAD in patients with selected, concomitant heart disease. It is unknown to what extent these recommendations are ... Full text Link to item Cite

A review of apixaban for stroke prevention in atrial fibrillation: insights from ARISTOTLE.

Journal Article Expert Rev Cardiovasc Ther · September 2013 Atrial fibrillation (AF) is associated with significant mortality and morbidity, and stroke represents the most-feared complication. Consequently, AF treatment has focused on thromboprophylaxis, with warfarin as the mainstay of therapy. However, concerns o ... Full text Link to item Cite

QRS duration, bundle-branch block morphology, and outcomes among older patients with heart failure receiving cardiac resynchronization therapy.

Journal Article JAMA · August 14, 2013 IMPORTANCE: The benefits of cardiac resynchronization therapy (CRT) in clinical trials were greater among patients with left bundle-branch block (LBBB) or longer QRS duration. OBJECTIVE: To measure associations between QRS duration and morphology and outco ... Full text Link to item Cite

Outcomes of apixaban vs. warfarin by type and duration of atrial fibrillation: results from the ARISTOTLE trial.

Journal Article Eur Heart J · August 2013 AIMS: It is uncertain whether the benefit from apixaban varies by type and duration of atrial fibrillation (AF). METHODS AND RESULTS: A total of 18 201 patients with AF [2786 (15.3%) with paroxysmal and 15 412 (84.7%) with persistent or permanent] were ran ... Full text Link to item Cite

Follow-up of patients with new cardiovascular implantable electronic devices: is adherence to the experts' recommendations associated with improved outcomes?

Journal Article Heart Rhythm · August 2013 BACKGROUND: A 2008 expert consensus statement recommended an in-person follow-up visit between 2 and 12 weeks after the placement of a new cardiovascular implantable electronic device (CIED). OBJECTIVE: To assess outcomes associated with adherence to the e ... Full text Link to item Cite

Educational videos to reduce racial disparities in ICD therapy via innovative designs (VIVID): a randomized clinical trial.

Journal Article Am Heart J · July 2013 BACKGROUND: Black individuals eligible for an implantable cardioverter/defibrillator (ICD) are considerably less likely than white individuals to receive one. This disparity may, in part, be explained by racial differences in patient preferences. We hypoth ... Full text Link to item Cite

Efficacy and safety of apixaban compared with warfarin at different levels of predicted international normalized ratio control for stroke prevention in atrial fibrillation.

Journal Article Circulation · June 4, 2013 BACKGROUND: In the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial, apixaban compared with warfarin reduced stroke and systemic embolism, major bleeding, and mortality. We evaluated treatment effect ... Full text Link to item Cite

Age differences in the use of implantable cardioverter-defibrillators among older patients hospitalized with heart failure.

Journal Article J Cardiovasc Electrophysiol · June 2013 INTRODUCTION: Practice guidelines recommend the use of ICDs in patients with heart failure (HF) and a left ventricular ejection fraction (LVEF) of ≤ 35% in the absence of contraindications. METHODS AND RESULTS: We performed an analysis of ICD use among pat ... Full text Link to item Cite

Survival benefit of primary prevention implantable cardioverter-defibrillator therapy after myocardial infarction: does time to implant matter? A meta-analysis using patient-level data from 4 clinical trials.

Journal Article Heart Rhythm · June 2013 BACKGROUND: Whether there is an optimal time to place an implantable cardioverter-defibrillator (ICD) more than 40 days after myocardial infarction (MI) in guideline-eligible patients is unknown. OBJECTIVE: To evaluate the effect of time from MI to randomi ... Full text Link to item Cite

Performance measures to promote quality improvement in sudden cardiac arrest prevention and treatment.

Journal Article Am Heart J · June 2013 Sudden cardiac arrest (SCA) is one of the most impactful public health problems in the United States. Despite the progress made in reducing the number of cardiac deaths, the incidence of sudden cardiac death remains high. Studies of life-saving interventio ... Full text Link to item Cite

Left ventricular systolic dysfunction, heart failure, and the risk of stroke and systemic embolism in patients with atrial fibrillation: insights from the ARISTOTLE trial.

Journal Article Circ Heart Fail · May 2013 BACKGROUND: We examined the risk of stroke or systemic embolism (SSE) conferred by heart failure (HF) and left ventricular systolic dysfunction (LVSD) in the Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation Trial (ARI ... Full text Link to item Cite

Association between left ventricular ejection fraction post-cardiac resynchronization treatment and subsequent implantable cardioverter defibrillator therapy for sustained ventricular tachyarrhythmias.

Journal Article Circ Arrhythm Electrophysiol · April 2013 BACKGROUND: Although cardiac resynchronization therapy (CRT) can improve left ventricular ejection fraction (LVEF), it is not known whether a specific level of improvement will predict future implantable cardioverter defibrillator (ICD) therapy. METHODS AN ... Full text Link to item Cite

Quality improvement in heart rhythm care: the path forward.

Journal Article J Interv Card Electrophysiol · March 2013 The drastic changes in the American health-care environment have brought forward several major quality improvement initiatives including performance measurement, the demand for transparency to be implemented, at least in part, through public reporting, and ... Full text Link to item Cite

Is cardiac resynchronization therapy an antiarrhythmic therapy for atrial fibrillation? A systematic review and meta-analysis.

Journal Article Curr Cardiol Rep · February 2013 The impact of cardiac resynchronization therapy (CRT) on atrial fibrillation (AF) burden is poorly characterized. To assess the influence of CRT on AF, we performed a systematic literature search in MEDLINE using the MeSH headings "cardiac resynchronizatio ... Full text Link to item Cite

Follow-up of patients with new cardiovascular implantable electronic devices: are experts' recommendations implemented in routine clinical practice?

Journal Article Circ Arrhythm Electrophysiol · February 2013 BACKGROUND: A 2008 expert consensus statement outlined the minimum frequency of follow-up of patients with cardiovascular implantable electronic devices (CIEDs). METHODS AND RESULTS: We studied 38 055 Medicare beneficiaries who received a new CIED between ... Full text Open Access Link to item Cite

Survival of patients receiving a primary prevention implantable cardioverter-defibrillator in clinical practice vs clinical trials.

Journal Article JAMA · January 2, 2013 IMPORTANCE: Randomized clinical trials have shown that implantable cardioverter-defibrillator (ICD) therapy saves lives. Whether the survival of patients who received an ICD in primary prevention clinical trials differs from that of trial-eligible patients ... Full text Link to item Cite

Assessment of the quality of existing patient educational tools focused on sudden cardiac arrest: a systematic evaluation by the Sudden Cardiac Arrest Thought Leadership Alliance.

Journal Article Patient Prefer Adherence · 2013 BACKGROUND: Conveying contemporary treatment options for those at risk of sudden cardiac arrest (SCA) is challenging. The purpose of the present research was to evaluate the quality and usability of available patient educational tools relevant to SCA and i ... Full text Open Access Link to item Cite

Rate versus rhythm control and outcomes in patients with atrial fibrillation and chronic kidney disease: data from the GUSTO-III Trial.

Journal Article Cardiol J · 2013 BACKGROUND: Atrial fibrillation (AF) and chronic kidney disease (CKD) have both been shown to portend worse outcomes after acute myocardial infarction (MI); however, the benefit of a rhythm control strategy in patients with CKD post-MI is unclear. METHODS: ... Full text Link to item Cite

Efficacy and safety of apixaban compared with warfarin according to patient risk of stroke and of bleeding in atrial fibrillation: a secondary analysis of a randomised controlled trial.

Journal Article Lancet · November 17, 2012 BACKGROUND: The Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial showed that apixaban is better than warfarin at prevention of stroke or systemic embolism, causes less bleeding, and results in lower ... Full text Link to item Cite

Is heart failure guideline adherence being underestimated? The impact of therapeutic contraindications.

Journal Article Am Heart J · November 2012 BACKGROUND: Several studies based on claims data have reported underutilization of evidence-based heart failure (HF) therapies. The degree to which these estimates fail to account for therapeutic contraindications is unclear. METHODS: We identified patient ... Full text Link to item Cite

Outcomes associated with warfarin use in older patients with heart failure and atrial fibrillation and a cardiovascular implantable electronic device: findings from the ADHERE registry linked to Medicare claims.

Journal Article Clin Cardiol · November 2012 BACKGROUND: Warfarin use and associated outcomes in patients with heart failure and atrial fibrillation and a cardiovascular implantable electronic device have not been described previously. HYPOTHESIS: We hypothesized that warfarin is underused and is ass ... Full text Link to item Cite

A proposal for new clinical concepts in the management of atrial fibrillation.

Journal Article Am Heart J · September 2012 Atrial fibrillation (AF) represents a growing public health burden. It is a complex condition, involving a number of etiologic factors and arrhythmia mechanisms associated with atrial remodeling. Greater understanding of these mechanisms may improve therap ... Full text Link to item Cite

Race and gender variation in the QT interval and its association with mortality in patients with coronary artery disease: results from the Duke Databank for Cardiovascular Disease (DDCD).

Journal Article Am Heart J · September 2012 BACKGROUND: In several studies, prolongation of the corrected QT (QTc) interval has been associated with an increased risk of cardiac events. However, data on race and gender variation in the QTc and its associated risk of death are lacking. METHODS: We pr ... Full text Link to item Cite

Sustained ventricular tachycardia and ventricular fibrillation complicating non-ST-segment-elevation acute coronary syndromes.

Journal Article Circulation · July 3, 2012 BACKGROUND: Ventricular arrhythmias remain a lethal complication of acute coronary syndromes (ACS). However, the incidence and prognosis of sustained ventricular tachycardia/ventricular fibrillation (VT/VF) in contemporary non-ST-segment-elevation (NSTE) A ... Full text Link to item Cite

Trends in use of implantable cardioverter-defibrillator therapy among patients hospitalized for heart failure: have the previously observed sex and racial disparities changed over time?

Journal Article Circulation · March 6, 2012 BACKGROUND: Prior studies have demonstrated low use of implantable cardioverter defibrillators (ICDs) as primary prevention, particularly among women and blacks. The degree to which the overall use of ICD therapy and disparities in use have changed is uncl ... Full text Link to item Cite

Promise of factor Xa inhibition in atrial fibrillation.

Journal Article Curr Cardiol Rep · February 2012 Randomized clinical trials have conclusively demonstrated that warfarin prevents stroke in patients with atrial fibrillation. This evidence led the American College of Cardiology, the American Heart Association, and the European Society of Cardiology to de ... Full text Link to item Cite

Quality improvement in heart rhythm care: the path forward

Journal Article Journal of Interventional Cardiac Electrophysiology · 2012 Cite

New directions in clinical outcomes assessment : VIth International Symposium on Interventional Electrophysiology in the Management of Cardiac Arrhythmias.

Journal Article J Interv Card Electrophysiol · December 2011 In recent years, electrophysiology clinical research has made tremendous progress. Not only have the standards for conducting research and assessing clinical outcomes improved substantially, but the power of well-conducted and designed randomized clinical ... Full text Link to item Cite

Implantable cardioverter-defibrillator registries-What have we learned?

Journal Article Cardiac Electrophysiology Clinics · December 1, 2011 The registry was developed through a partnership of the Heart Rhythm Society and American College of Cardiology Foundation using the expertise of the National Cardiovascular Data Registry. All hospitals in the United States that implant implantable cardiov ... Full text Cite

Predictors of mortality in patients with chronic kidney disease and an implantable defibrillator: an EPGEN substudy.

Journal Article Europace · December 2011 AIMS: Chronic kidney disease (CKD) is increasingly prevalent, and is an independent risk factor for cardiovascular mortality. Clinical trials of the implantable cardioverter-defibrillator (ICD) have demonstrated a survival benefit over medical therapy for ... Full text Link to item Cite

Quality of care for sudden cardiac arrest: Proposed steps to improve the translation of evidence into practice.

Journal Article Am Heart J · August 2011 Sudden cardiac arrest (SCA) is the most common cause of death in the United States. Despite national guidelines, patients at risk for SCA often fail to receive evidence-based therapies. Racial and ethnic minorities and women are at particularly high risk f ... Full text Link to item Cite

In reply

Journal Article JAMA · April 20, 2011 Full text Cite

Regional variations in physicians' attitudes and recommendations surrounding implantable cardioverter-defibrillators.

Journal Article J Card Fail · April 2011 INTRODUCTION: This study was designed to determine if physicians' attitudes and recommendations surrounding implantable cardioverter-defibrillators (ICDs) are regionally associated with ICD use. METHODS AND RESULTS: A national sample of 9969 members of the ... Full text Link to item Cite

Mortality benefits from implantable cardioverter-defibrillator therapy are not restricted to patients with remote myocardial infarction: an analysis from the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT).

Journal Article Heart Rhythm · March 2011 BACKGROUND: The implantable cardioverter-defibrillator (ICD) is an effective therapy for preventing sudden cardiac death (SCD) in patients with prior myocardial infarction (MI) and reduced left ventricular function; however, the optimal timing of ICD impla ... Full text Link to item Cite

Extent of and reasons for nonuse of implantable cardioverter defibrillator devices in clinical practice among eligible patients with left ventricular systolic dysfunction.

Journal Article Circ Cardiovasc Qual Outcomes · March 2011 BACKGROUND: Several studies that used claims and registry data have reported that 40% to 80% of patients eligible for an implantable cardioverter defibrillator (ICD) fail to receive one in clinical practice, and the rates are especially high among women an ... Full text Link to item Cite

Systematic review of the incidence of sudden cardiac death in the United States.

Journal Article J Am Coll Cardiol · February 15, 2011 The need for consistent and current data describing the true incidence of sudden cardiac arrest (SCA) and/or sudden cardiac death (SCD) was highlighted during the most recent Sudden Cardiac Arrest Thought Leadership Alliance's (SCATLA) Think Tank meeting o ... Full text Link to item Cite

Non-evidence-based ICD implantations in the United States.

Journal Article JAMA · January 5, 2011 CONTEXT: Practice guidelines do not recommend use of an implantable cardioverter-defibrillator (ICD) for primary prevention in patients recovering from a myocardial infarction or coronary artery bypass graft surgery and those with severe heart failure symp ... Full text Link to item Cite

Use of implantable cardioverter-defibrillators for primary prevention in older patients: a systematic literature review and meta-analysis.

Journal Article Cardiol J · 2011 BACKGROUND: Randomized clinical trials (RCTs) have demonstrated the efficacy of implantable cardioverter-defibrillators (ICDs) in reducing sudden cardiac death (SCD) in specific patient populations. However, patients ≥ 65 years were under-represented in th ... Full text Link to item Cite

Do physicians' attitudes toward implantable cardioverter defibrillator therapy vary by patient age, gender, or race?

Journal Article Ann Noninvasive Electrocardiol · January 2011 BACKGROUND: Implantable cardioverter defibrillator (ICD) therapy improves survival of patients with systolic heart failure. We assessed whether physicians' recommendation for ICD therapy varies as a function of patient age, gender, race, and physician's sp ... Full text Link to item Cite

Addressing disparities in sudden cardiac arrest care and the underutilization of effective therapies.

Journal Article Am Heart J · October 2010 Sudden cardiac arrest (SCA) is the most common cause of death in the Unites States. Despite its major impact on public health, significant challenges exist at the patient, provider, public, and policy levels with respect to raising more widespread awarenes ... Full text Link to item Cite

Surgical Maze procedure as a treatment for atrial fibrillation: a meta-analysis of randomized controlled trials.

Journal Article Cardiovasc Ther · October 2010 Surgical or modified Maze procedures have been promoted to treat atrial fibrillation (AF); however, few randomized controlled clinical trials (RCTs) examine their outcomes. The purpose of this meta-analysis is to compare the efficacy of surgical Maze proce ... Full text Link to item Cite

Developing the Safety of Atrial Fibrillation Ablation Registry Initiative (SAFARI) as a collaborative pan-stakeholder critical path registry model: a Cardiac Safety Research Consortium "Incubator" Think Tank.

Journal Article Am 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 text Link to item Cite

Relation between time from myocardial infarction to enrolment and patient outcomes in the Multicenter UnSustained Tachycardia Trial.

Journal Article Europace · August 2010 AIMS: We sought to assess the relation between time from myocardial infarction (MI) to enrolment and patient outcomes and to examine the association between these outcomes and implantable cardioverter defibrillator (ICD) therapy. METHODS AND RESULTS: We an ... Full text Link to item Cite

Single-photon emission computed tomography myocardial perfusion imaging and the risk of sudden cardiac death in patients with coronary disease and left ventricular ejection fraction>35%.

Journal Article J Am Coll Cardiol · July 13, 2010 OBJECTIVES: The aim of this study was to determine whether single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) is an effective method of risk stratification for sudden cardiac death (SCD) in patients with coronary artery d ... Full text Link to item Cite

Cost-effectiveness of implantable cardioverter defibrillators in patients >or=65 years of age.

Journal Article Am Heart J · July 2010 BACKGROUND: More than 80% of sudden cardiac deaths (SCDs) occur in patients >or=65 years old; the cost-effectiveness of implantable cardioverter defibrillator (ICD) therapy in older patients remains unclear. We sought to examine the cost-effectiveness of I ... Full text Link to item Cite

Optimal timing of implantable cardioverter-defibrillator implantation after myocardial infarction: a decision analysis.

Journal Article J Cardiovasc Electrophysiol · July 2010 BACKGROUND: The optimal timing of implantable cardioverter defibrillator (ICD) placement for the primary prevention of sudden cardiac death after myocardial infarction (MI) remains unknown. METHODS AND RESULTS: We developed a Markov model to investigate th ... Full text Link to item Cite

Is rhythm-control superior to rate-control in patients with atrial fibrillation and diastolic heart failure?

Journal Article Ann Noninvasive Electrocardiol · July 2010 BACKGROUND: Although no clinical trial data exist on the optimal management of atrial fibrillation (AF) in patients with diastolic heart failure, it has been hypothesized that rhythm-control is more advantageous than rate-control due to the dependence of t ... Full text Link to item Cite

Atrial fibrillation management strategies and early mortality after myocardial infarction: results from the Valsartan in Acute Myocardial Infarction (VALIANT) Trial.

Journal Article Heart · June 2010 OBJECTIVE: The management of patients with atrial fibrillation (AF) following a myocardial infarction (MI) remains uncertain. This study compared a rate control strategy to an anti-arrhythmic-based rhythm control strategy for the treatment of AF following ... Full text Link to item Cite

Remote monitoring of implantable cardioverter defibrillators versus quarterly device interrogations in clinic: results from a randomized pilot clinical trial.

Journal Article J Cardiovasc Electrophysiol · May 2010 INTRODUCTION: Remote monitoring is increasingly becoming the new standard of care for implantable cardioverter defibrillator (ICD) follow-up. We sought to determine whether remote monitoring of ICDs improves patient outcomes compared with quarterly device ... Full text Link to item Cite

Combined heart failure device diagnostics identify patients at higher risk of subsequent heart failure hospitalizations: results from PARTNERS HF (Program to Access and Review Trending Information and Evaluate Correlation to Symptoms in Patients With Heart Failure) study.

Journal Article J Am Coll Cardiol · April 27, 2010 OBJECTIVES: We sought to determine the utility of combined heart failure (HF) device diagnostic information to predict clinical deterioration of HF in patients with systolic left ventricular dysfunction. BACKGROUND: Some implantable devices continuously mo ... Full text Link to item Cite

Apixaban for reduction in stroke and other ThromboemboLic events in atrial fibrillation (ARISTOTLE) trial: design and rationale.

Journal Article Am Heart J · March 2010 Atrial fibrillation (AF) is associated with increased risk of stroke that can be attenuated with vitamin K antagonists (VKAs). Vitamin K antagonist use is limited, in part, by the high incidence of complications when patients' international normalized rati ... Full text Link to item Cite

Warfarin use and outcomes in patients with atrial fibrillation complicating acute coronary syndromes.

Journal Article Am J Med · February 2010 BACKGROUND: We examined warfarin use at discharge (according to Congestive heart failure, Hypertension, Age>75 years, Diabetes, Prior Stroke/transient ischemic attack score and bleeding risk) and its association with 6-month death or myocardial infarction ... Full text Link to item Cite

Predictors of sudden cardiac death change with time after myocardial infarction: results from the VALIANT trial.

Journal Article Eur Heart J · January 2010 AIMS: To determine whether predictors of sudden cardiac death (SCD) vary with time after myocardial infarction (MI). METHODS AND RESULTS: We analysed 11 256 patients enrolled in VALIANT. Landmark analysis and Cox proportional hazards modelling were used to ... Full text Link to item Cite

Planning the Safety of Atrial Fibrillation Ablation Registry Initiative (SAFARI) as a Collaborative Pan-Stakeholder Critical Path Registry Model: a Cardiac Safety Research Consortium "Incubator" Think Tank.

Journal Article Am 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 text Link to item Cite

Clinical effectiveness of implantable cardioverter-defibrillators among medicare beneficiaries with heart failure.

Journal Article Circ Heart Fail · January 2010 BACKGROUND: The clinical effectiveness of implantable cardioverter-defibrillators (ICDs) in older patients with heart failure has not been established, and older patients have been underrepresented in previous studies. METHODS AND RESULTS: We identified pa ... Full text Link to item Cite

The authors reply

Journal Article Kidney International · January 1, 2010 Full text Cite

Usefulness of the Duke Sudden Cardiac Death risk score for predicting sudden cardiac death in patients with angiographic (>75% narrowing) coronary artery disease.

Journal Article Am J Cardiol · December 15, 2009 The currently available sudden cardiac death (SCD) risk prediction tools fail to identify most at-risk patients and cannot delineate a specific patient's SCD risk. We sought to develop a tool to improve the risk stratification of patients with coronary art ... Full text Link to item Cite

Pulmonary vein isolation for the maintenance of sinus rhythm in patients with atrial fibrillation: a meta-analysis of randomized, controlled trials.

Journal Article Circ Arrhythm Electrophysiol · December 2009 BACKGROUND: Catheter ablation is an established yet evolving nonpharmacologic intervention for the maintenance of sinus rhythm in patients with atrial fibrillation (AF). The efficacy and safety of pulmonary vein isolation (PVI) compared with medical therap ... Full text Link to item Cite

Patterns of management of atrial fibrillation complicating coronary artery bypass grafting: Results from the PRoject of Ex-vivo Vein graft ENgineering via Transfection IV (PREVENT-IV) Trial.

Journal Article Am Heart J · November 2009 BACKGROUND: Current practice related to the management of atrial fibrillation (AF) complicating coronary artery bypass grafting (CABG) is uncertain. METHODS: We examined management of post-CABG AF in the PREVENT-IV trial, and we explored patterns of use of ... Full text Link to item Cite

Chronic kidney disease is associated with increased risk of sudden cardiac death among patients with coronary artery disease.

Journal Article Kidney Int · September 2009 Sudden cardiac death is the most common cause of mortality among patients with end-stage kidney disease maintained on hemodialysis. To examine whether this increased risk is also seen with less advanced kidney disease, we studied the relationship between g ... Full text Link to item Cite

Use of beta-blockers in patients with an implantable cardioverter defibrillator.

Journal Article Ann Pharmacother · July 2009 BACKGROUND: Implantable cardioverter defibrillators (ICDs) are indicated for both primary and secondary prevention of sudden cardiac arrest. beta-Blockers are also indicated in most patients who have an indication for an ICD; however, their use in this pop ... Full text Link to item Cite

Reperfusion ventricular arrhythmia 'bursts' predict larger infarct size despite TIMI 3 flow restoration with primary angioplasty for anterior ST-elevation myocardial infarction.

Journal Article Eur 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 text Link to item Cite

Hospital variation and characteristics of implantable cardioverter-defibrillator use in patients with heart failure: data from the GWTG-HF (Get With The Guidelines-Heart Failure) registry.

Journal Article J Am Coll Cardiol · February 3, 2009 OBJECTIVES: The aim of this study was to describe hospital variation and factors associated with adherence to guidelines for implantable cardioverter-defibrillator (ICD) therapy. BACKGROUND: Studies have shown incomplete application of ICD therapy in eligi ... Full text Link to item Cite

Single-photon emission computed tomography myocardial perfusion defects are associated with an increased risk of all-cause death, cardiovascular death, and sudden cardiac death.

Journal Article Circ Cardiovasc Imaging · November 2008 BACKGROUND: Single-photon emission computed tomography myocardial perfusion imaging defects are associated with increased all-cause mortality and cardiovascular death. However, it is unknown whether single-photon emission computed tomography myocardial per ... Full text Link to item Cite

Patient and implanting physician factors associated with mortality and complications after implantable cardioverter-defibrillator implantation, 2002-2005.

Journal Article Circ Arrhythm Electrophysiol · October 2008 BACKGROUND: Little is known about factors that influence survival and complications after implantable cardioverter-defibrillator (ICD) implantation in routine clinical practice. We examined patient and implanting physician factors associated with outcomes ... Full text Link to item Cite

Implantable cardioverter defibrillator therapy in patients with prior coronary revascularization in the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT).

Journal Article J Cardiovasc Electrophysiol · October 2008 INTRODUCTION: We conducted this study to examine the effect of the ICD on the outcomes of patients with prior coronary revascularization enrolled in the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT) and to assess the association of time from coron ... Full text Link to item Cite

Preventing tomorrow's sudden cardiac death today: dissemination of effective therapies for sudden cardiac death prevention.

Journal Article Am Heart J · October 2008 Because the burden of sudden cardiac death (SCD) is substantial, it is important to use all guideline-driven therapies to prevent SCD. Among those therapies is the implantable cardioverter defibrillator (ICD). When indicated, ICD use is beneficial and cost ... Full text Link to item Cite

Reperfusion ventricular arrhythmia 'bursts' in TIMI 3 flow restoration with primary angioplasty for anterior ST-elevation myocardial infarction: a more precise definition of reperfusion arrhythmias.

Journal Article Europace · 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 text Link to item Cite

Short- and long-term outcomes following atrial fibrillation in patients with acute coronary syndromes with or without ST-segment elevation.

Journal Article Heart · July 2008 OBJECTIVE: To assess variables associated with the occurrence of atrial fibrillation (AF) and the relation of AF with short- and long-term outcomes and with other in-hospital complications in patients with acute coronary syndromes (ACS) with and without ST ... Full text Link to item Cite

Rhythm versus rate control in the contemporary management of atrial fibrillation in-hospital.

Journal Article Am J Cardiol · April 15, 2008 Little is presently known regarding whether a rhythm-control or a rate-control strategy is more frequently used in patients hospitalized for atrial fibrillation (AF). This study was conducted to assess patient and physician characteristics associated with ... Full text Link to item Cite

Amiodarone use after acute myocardial infarction complicated by heart failure and/or left ventricular dysfunction may be associated with excess mortality.

Journal Article Am Heart J · January 2008 BACKGROUND: We sought to assess the association of amiodarone use with mortality during consecutive periods in patients with post-acute myocardial infarction with left ventricular systolic dysfunction and/or HF treated with a contemporary medical regimen. ... Full text Link to item Cite

Incidence and predictors of sudden cardiac death in patients with diastolic heart failure.

Journal Article J Cardiovasc Electrophysiol · December 2007 INTRODUCTION: Although it is known that patients with diastolic heart failure are at an increased risk of death, their mode of death has not been clearly defined. We conducted this study to examine the incidence and predictors of sudden cardiac death (SCD) ... Full text Link to item Cite

Sex differences in the use of implantable cardioverter-defibrillators for primary and secondary prevention of sudden cardiac death.

Journal Article JAMA · October 3, 2007 CONTEXT: Previous studies of sex differences in the use of implantable cardioverter-defibrillators (ICDs) predate recent expansions in Medicare coverage and did not provide patient follow-up over multiple years. OBJECTIVE: To examine sex differences in ICD ... Full text Link to item Cite

Sex and racial differences in the use of implantable cardioverter-defibrillators among patients hospitalized with heart failure.

Journal Article JAMA · October 3, 2007 CONTEXT: Practice guidelines recommend implantable cardioverter-defibrillator (ICD) therapy for patients with heart failure and left ventricular ejection fraction of 30% or less. The influence of sex and race on ICD use among eligible patients is unknown. ... Full text Link to item Cite

Racial disparity in the utilization of implantable-cardioverter defibrillators among patients with prior myocardial infarction and an ejection fraction of

Journal Article Am J Cardiol · September 15, 2007 Age-adjusted sudden cardiac death rates are highest for black patients compared with other racial groups. The prophylactic implantation of an implantable cardioverter-defibrillator (ICD) provides a significant reduction in sudden cardiac death and overall ... Full text Link to item Cite

Preventing tomorrow's sudden cardiac death today: part I: Current data on risk stratification for sudden cardiac death.

Journal Article Am Heart J · June 2007 Accurate and timely prediction of sudden cardiac death (SCD) is a necessary prerequisite for effective prevention and therapy. Although the largest number of SCD events occurs in patients without overt heart disease, there are currently no tests that are o ... Full text Link to item Cite

Preventing tomorrow's sudden cardiac death today: part II: Translating sudden cardiac death risk assessment strategies into practice and policy.

Journal Article Am Heart J · June 2007 Although current evidence supporting a more precise strategy for identifying patients at highest risk for sudden cardiac death (SCD) is sparse, strategies for translating existing and future evidence into clinical practice and policy are needed today. A gr ... Full text Link to item Cite

Sudden Cardiac Death in Patients with Diastolic Heart Failure

Conference Journal of Cardiac Failure · August 2006 Full text Cite

Cost-effectiveness of defibrillator therapy or amiodarone in chronic stable heart failure: results from the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT).

Journal Article Circulation · July 11, 2006 BACKGROUND: In the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT), implantable cardioverter-defibrillator (ICD) therapy significantly reduced all-cause mortality rates compared with medical therapy alone in patients with stable, moderately symptoma ... Full text Link to item Cite

Implications of the Multicenter Automatic Defibrillator Implantation Trial-II

Journal Article Annals of Internal Medicine · January 3, 2006 Full text Cite

The relation between patients' outcomes and the volume of cardioverter-defibrillator implantation procedures performed by physicians treating Medicare beneficiaries.

Journal Article J Am Coll Cardiol · October 18, 2005 OBJECTIVES: The purpose of this study is to determine if implantable cardioverter-defibrillator (ICD) implantation should be limited to physicians with high procedural volume. BACKGROUND: Expanding indications for ICDs will result in an increasing number o ... Full text Link to item Cite

Implantable cardioverter defibrillators and cardiac resynchronization therapy in patients with left ventricular dysfunction: randomized trial evidence through 2004.

Journal Article Am Heart J · June 2005 Although many studies have shown that implantable cardioverter defibrillator (ICD) therapy improves the survival of patients with significant left ventricular dysfunction, the magnitude of effectiveness of ICD therapy in clinically defined subgroups remain ... Full text Link to item Cite

A survey of health care practitioners' knowledge of the QT interval.

Journal Article J Gen Intern Med · May 2005 OBJECTIVE: To assess health care practitioners' ability to correctly measure the QT interval, and to identify factors and medications that may increase the risk of QT-interval prolongation and torsades de pointes. DESIGN: A cross-sectional analysis of a su ... Full text Link to item Cite

Clinical and economic implications of the Multicenter Automatic Defibrillator Implantation Trial-II.

Journal Article Ann Intern Med · April 19, 2005 BACKGROUND: The Multicenter Automatic Defibrillator Implantation Trial (MADIT)-II demonstrated that implantable cardioverter defibrillators (ICDs) save lives when used in patients with a history of myocardial infarction (MI) and an ejection fraction of 0.3 ... Full text Link to item Cite

Incidence, predictors, and outcomes of high-degree atrioventricular block complicating acute myocardial infarction treated with thrombolytic therapy.

Journal Article Am Heart J · April 2005 BACKGROUND: In the fibrinolytic era, several studies have suggested that the rate of atrioventricular block (AVB) in the setting of acute myocardial infarction (MI) is high and is associated with increased short-term mortality. We sought to delineate predi ... Full text Link to item Cite

Implantable cardioverter defibrillators and biventricular devices in acute heart failure

Chapter · January 1, 2005 Congestive heart failure (CHF) is a major public health problem which afflicts 5 million Americans.1 A new diagnosis of CHF is made in 400 000 Americans each year.1 CHF is the most common cardiovascular discharge diagnosis in elderly patients. With the agi ... Full text Cite

Is rhythm control superior to rate control in patients with atrial fibrillation and congestive heart failure?

Journal Article Am J Cardiol · September 15, 2004 In 1,009 patients with atrial fibrillation and congestive heart failure, the 2-year mortality rate was 31% in patients treated with rate control (n = 505) versus 29% in patients treated with rhythm control (n = 504). After adjusting for differences in base ... Full text Link to item Cite

1096-71 A national survey of health care practitioners' knowledge of the QT interval

Conference Journal of the American College of Cardiology · March 2004 Full text Cite

Medications that prolong the QT interval - Reply

Journal Article JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION · August 27, 2003 Link to item Cite

What clinicians should know about the QT interval.

Journal Article JAMA · April 23, 2003 CONTEXT: Of the several factors implicated in causing QT interval prolongation and torsades de pointes, errors in the use of medications that may prolong this interval deserve special attention. OBJECTIVE: To systematically summarize the available clinical ... Full text Link to item Cite

Knowledge deficits related to the QT interval could affect patient safety.

Journal Article Ann Noninvasive Electrocardiol · April 2003 BACKGROUND: Recently, some QT-prolonging, noncardiac medications were withdrawn from the U.S. drug market because of continued inappropriate use by health care practitioners despite warnings and label changes from both the drug manufacturers and the U.S. F ... Full text Link to item Cite

Sustained ventricular arrhythmias and mortality among patients with acute myocardial infarction: results from the GUSTO-III trial.

Journal Article Am Heart J · March 2003 BACKGROUND: In many patients, ventricular arrhythmias will develop early after acute myocardial infarction. We studied the incidence, timing, and outcomes of such arrhythmias in the international Global Utilization of Streptokinase and TPA (alteplase) for ... Full text Link to item Cite

Prescription of QT-prolonging drugs in a cohort of about 5 million outpatients.

Journal Article Am J Med · February 1, 2003 Many drugs prolong the QT interval and increase the risk of torsade de pointes. Concurrent use of two or more of these drugs can further increase the risk, but the prevalence of concurrent prescription of QT-prolonging drugs is not known. Using the adminis ... Full text Link to item Cite

Sustained ventricular arrhythmias among patients with acute coronary syndromes with no ST-segment elevation: incidence, predictors, and outcomes.

Journal Article Circulation · July 16, 2002 BACKGROUND: The prognosis of ventricular arrhythmias among patients with non-ST-elevation acute coronary syndromes is unknown. We studied the incidence, predictors, and outcomes of sustained ventricular arrhythmias in 4 large randomized trials of such pati ... Full text Link to item Cite

Deficits in knowledge related to the QT interval that could impact patient safety

Journal Article JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY · March 6, 2002 Link to item Cite

Short-term trials and long-term effects.

Journal Article Science · September 28, 2001 Full text Link to item Cite

Short-term trials and long-term effects - Response

Journal Article SCIENCE · September 28, 2001 Link to item Cite

Observations on the transition from intermittent to permanent atrial fibrillation.

Journal Article Am Heart J · July 2000 BACKGROUND: Quantitative data on the frequency with which transition from intermittent to permanent atrial fibrillation occurs are lacking. We conducted this study to determine the proportion of patients with intermittent atrial fibrillation who progress t ... Full text Link to item Cite

Clinical features of Wolff-Parkinson-White syndrome.

Journal Article Am Heart J · September 1999 Wolff-Parkinson-White syndrome is the most common form of ventricular preexcitation. Understanding this syndrome is fundamental for anyone interested in learning about arrhythmias. This review addresses (1) the historic sequence of events that led to the u ... Full text Link to item Cite