December 1, 2003Pacing and Clinical Electrophysiology
Optimal Pacing for Symptomatic AV Block:
Why the study?
Does VDD pacing reduce implant time and maintain long-term reliability compared to DDD pacing in patients with symptomatic AV block and intact sinus node function?
Population
192 patients with symptomatic AV block and intact sinus node function
Comparison
Single pass bipolar VDD pacing system vs DDD pacing system
Design
Cohort
Follow-up
17.7 +/- 10.0 months (in the VDD group)
Authors
Discussion
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Member takes
Implication
Supports faster VDD implantation with comparable safety in AV block; leaves open long-term reliability versus DDD.
Structured PICO
Does VDD pacing reduce implant time and maintain long-term reliability compared to DDD pacing in patients with symptomatic AV block and intact sinus node function?
P
Population
192 patients with symptomatic AV block and intact sinus node function (112 receiving VDD pacing, 80 receiving DDD pacing)
I
Intervention
Single pass bipolar VDD pacing system
C
Comparator
DDD pacing system
O
Outcome
Long-term reliability and complication rates (including implant time, implant complications, and P wave amplitude)
VDD pacing is a reliable and faster-to-implant alternative to DDD pacing with comparable safety for patients with symptomatic AV block and normal sinus node function.
Cite This Study
Huang et al. (2003) studied this question.