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J Interv Card Electrophysiol. 1998 Jun;2(2):139-44.

Design and implementation of the Dual Site Atrial Pacing to Prevent Atrial Fibrillation (DAPPAF) clinical trial. DAPPAF Phase 1 Investigators.

Author information

1
Passaic General Hospital, New Jersey, USA.

Abstract

The Dual Site Atrial Pacing to Prevent Atrial Fibrillation (DAPPAF) study compares dual site, single site and support pacing modalities in the prevention of atrial fibrillation (AF) in patients with a history of paroxysmal AF (PAF) and a bradyarrhythmic indication for pacing. The trial is a randomized crossover comparison of dual site atrial pacing, single site atrial pacing, and a support pacing control period (DDI at 50 ppm or VDI) done in six month intervals. Patient inclusion requires at least 2 documented AF episodes in the three months prior to enrollment. The patients can be on concurrent antiarrhythmic drug regimens but this regimen must remain constant throughout the protocol. Patients with AV nodal ablation are excluded from this study. The primary endpoints of the study compare the time to first recurrence of clinically significant symptomatic AF with ECG verification, and quality of life among the three treatment modes. Secondary endpoints include time to first recurrence of all AF episodes as monitored by the pacemaker, the measurement of echocardiographic parameters, and symptoms logged by the patients. This trial was designed after pilot studies showed dual site pacing to be safe, feasible and preliminary results suggested increased maintenance of sinus rhythm with atrial pacing.

PMID:
9870006
[Indexed for MEDLINE]

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