Alan Cheng
Johns Hopkins University School of Medicine
Internal medicineSurgeryCardiologyProspective cohort studyHazard ratioSudden cardiac deathCardiac resynchronization therapyCatheter ablationVentricular tachycardiaImplantable cardioverter-defibrillatorHeart failureAblationAtrial fibrillationElectrocardiographyVentricular fibrillationSudden deathIn patientMedicineCohortEjection fraction
153Publications
38H-index
4,969Citations
Publications 155
Newest
#1Matthew T. Bennett (UBC: University of British Columbia)H-Index: 21
#2Mark L. BrownH-Index: 11
Last. Jim W. Cheung (Cornell University)H-Index: 22
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Background null Recent evidence has revealed the utility of prolonged arrhythmia detection duration and increased rate cutoff to reduce implantable cardioverter-defibrillator (ICD) therapies. Data on real-world trends in ICD programming and its impact on outcomes are limited. null Objective null The purpose of this study was to evaluate trends in ICD programming and its impact on ICD therapy using a large remote monitoring database. null Methods null A retrospective analysis of patients with ICD...
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#1Alan ChengH-Index: 38
#2Larry A. ChinitzH-Index: 24
Last. Robert C. KowalH-Index: 20
view all 8 authors...
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Background Sudden cardiac arrest (SCA) risk increases after myocardial infarction (MI) in patients with a reduced ejection fraction (EF). However, the risk factors for SCA among patients with a post-MI EF >35% remain poorly understood. Methods and Results Using the Optum de-identified electronic health record data set from 2008 to 2017, we identified patients with an incident MI diagnosis and troponin elevation who had a post-MI EF >35% and underwent coronary angiography. Primary outcome was SCA...
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#1Selcuk Adabag (UMN: University of Minnesota)H-Index: 21
#2Mohammad Madjid (University of Texas Health Science Center at Houston)H-Index: 31
Last. Alan ChengH-Index: 38
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#1Selcuk Adabag (Veterans Health Administration)H-Index: 21
#2Patrick ZimmermanH-Index: 1
Last. Alan ChengH-Index: 38
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Background COVID-19 was temporally associated with an increase in out-of-hospital cardiac arrests, but the underlying mechanisms are unclear. We sought to determine if patients with implantable defibrillators residing in areas with high COVID-19 activity experienced an increase in defibrillator shocks during the COVID-19 outbreak. Methods and Results Using the Medtronic (Mounds View, MN) Carelink database from 2019 and 2020, we retrospectively determined the incidence of implantable defibrillato...
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#10Eliseo Guallar (JHUSOM: Johns Hopkins University School of Medicine)H-Index: 6
BACKGROUND Patients receiving dialysis face a high risk of cardiovascular disease, arrhythmia and sudden cardiac death. Few patients, however, are aware of this risk. Implantable cardiac monitors are currently available for clinical use and can continuously monitor cardiac rhythms without the need for transvenous leads. Our goal was to gauge patients' and family members' perceptions of these risks and to identify their concerns about cardiac monitors. METHODS Two 90-minute focus groups were cond...
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#1M. Rizwan Sohail (Mayo Clinic)H-Index: 22
#2G. Ralph Corey (Durham University)H-Index: 82
Last. Khaldoun G. Tarakji (Cleveland Clinic)H-Index: 29
view all 11 authors...
Abstract Objectives This study characterized the microbiology of major cardiac implantable electronic device (CIED) infections that occurred during the WRAP-IT (Worldwide Randomized Antibiotic Envelope Infection Prevention Trial) study. Background The WRAP-IT study offers a unique opportunity for further understanding of the pathogens involved in major CIED infections in a prospective dataset, with implications for clinical practice and infection management. Methods A total of 6,800 patients ran...
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#1Aatish Garg (VCU: Virginia Commonwealth University)H-Index: 6
#2Jayanthi N. Koneru (VCU: Virginia Commonwealth University)H-Index: 17
Last. Kenneth A. Ellenbogen (VCU: Virginia Commonwealth University)H-Index: 80
view all 10 authors...
Abstract Background The Micra transcatheter pacemaker is a safe and effective alternative to transvenous permanent pacemakers (TV-PPMs). However, the safety profile and mortality outcomes of Micra implantation in patients deemed poor candidates for TV-PPM is incompletely understood. Objective To evaluate the safety and all-cause mortality in patients undergoing Micra implantation stratified by if they were precluded for therapy with a TV-PPM. Methods Patients from the Micra clinical trials were ...
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#1Yong-Mei Cha (Mayo Clinic)H-Index: 13
Last. D Schaber (Medtronic plc)
view all 15 authors...
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#1Alan ChengH-Index: 38
#2Boyoung Joung (Yonsei University)H-Index: 45
Last. Kenneth A. Ellenbogen (MCV: VCU Medical Center)H-Index: 80
view all 7 authors...
BACKGROUND Implantable Cardioverter Defibrillators (ICD) reduce all-cause mortality among cardiomyopathy patients. Whether or not anti-tachycardia pacing (ATP) is equally effective in ischemic (ICM) and nonischemic (NICM) cardiomyopathy patients remains poorly understood. We describe the distribution of monomorphic (MVT) and non-monomorphic (PVT/VF) ventricular tachyarrhythmias among ICM and NICM primary prevention patients. METHODS This patient-level meta-analysis included primary prevention pa...
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