Adverse Effect of Ventricular Pacing on Heart Failure and Atrial Fibrillation Among Patients With Normal Baseline QRS Duration in a Clinical Trial of Pacemaker Therapy for Sinus Node Dysfunction

O. Sweeney, Michael; S. Hellkamp, Anne; A. Ellenbogen, Kenneth; J. Greenspon, Arnold; A. Freedman, Roger; L. Lee, Kerry; A. Lamas, Gervasio

doi:10.1161/01.cir.0000072769.17295.b1

Public

Adverse Effect of Ventricular Pacing on Heart Failure and Atrial Fibrillation Among Patients With Normal Baseline QRS Duration in a Clinical Trial of Pacemaker Therapy for Sinus Node Dysfunction

Published in Circulation • Jun 4, 2003

Authors:

Michael O. Sweeney

Anne S. Hellkamp

Kenneth A. Ellenbogen

Abstract

BACKGROUND: Dual-chamber (DDDR) pacing preserves AV synchrony and may reduce heart failure (HF) and atrial fibrillation (AF) compared with ventricular (VVIR) pacing in sinus node dysfunction (SND). However, DDDR pacing often results in prolonged QRS durations (QRSd) as the result of right ventricula...

Subject

Medicine

Cardiology

Heart failure

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