Why the study?
Does DDDR pacing improve heart rate augmentation without increasing atrial arrhythmias compared to DDD pacing in patients with pacemakers?
Population
10 patients with dual chamber, rate-modulated pacemakers
Comparison
DDDR pacing for a 24-hour period vs DDD pacing for a 24-hour period
Design
RCT, random order
Follow-up
48 hours (two consecutive 24-hour periods)
Authors
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DDDR pacing safely augments rate response; supports its preference over DDD in pacemaker patients needing chronotropic support.
Does DDDR pacing improve heart rate augmentation without increasing atrial arrhythmias compared to DDD pacing in patients with pacemakers?
DDDR pacing effectively augments heart rate during daily activities without increasing the risk of atrial arrhythmias compared to DDD pacing.
Spencer et al. (1990) studied this question.
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