Why the study?
Does single lead VDD pacing improve procedural times and maintain equivalent long-term AV synchrony compared to DDD pacing in patients with isolated AV block?
Population
360 patients with isolated AV block and preoperative normal sinus node function (n=360)
Comparison
Single lead VDD pacemaker vs DDD pacemaker with a bipolar atrial lead
Design
Cohort
Follow-up
mean 30 +/- 13 months
Authors
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VDD may shorten procedural times in AV block without compromising synchrony; leaves open randomized confirmation before practice change.
Does single lead VDD pacing improve procedural times and maintain equivalent long-term AV synchrony compared to DDD pacing in patients with isolated AV block?
Single lead VDD pacing offers a simpler implant procedure with shorter fluoroscopy and implantation times while maintaining equivalent long-term AV synchrony compared to DDD pacing in patients with AV block.
Wiegand et al. (1999) studied this question.
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