Clinical ResearchHeart Rhythm DisorderImplantable Cardioverter-Defibrillator Patients Who Are Upgraded and Respond to Cardiac Resynchronization Therapy Have Less Ventricular Arrhythmias Compared With Nonresponders
Heart Rhythm Disorder
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Key Words
cardiac resynchronization therapy
device upgrade
implantable cardioverter-defibrillator
remodeling
ventricular arrhythmias
Abbreviations and Acronyms
CI
confidence interval
CRT
cardiac resynchronization therapy
CRT-D
cardiac resynchronization therapy-defibrillator
EF
ejection fraction
ICD
implantable cardioverter-defibrillator
LV
left ventricular
LVEDV
left ventricular end-diastolic volume
LVEF
left ventricular ejection fraction
LVESV
left ventricular end-systolic volume
NYHA
New York Heart Association
VA
ventricular arrhythmia
VT
ventricular tachycardia
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Dr. Delgado received consulting fees from St. Jude Medical. Dr. van Erven received research grants from Boston Scientific. Dr. Bax received research grants from Biotronik, Boston Scientific, GE Healthcare, Medtronic, and St. Jude. Dr. Schalij received research grants from Biotronik, Boston Scientific, and Medtronic. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose. Steven E. Nissen, MD, MACC, served as Guest Editor for this paper.
Copyright © 2011 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.