Key result
Single lead VDDR pacing provided a stable pacing mode in 97% of patients with complete atrioventricular block over 12 months, with minimal and asymptomatic subclinical atrial undersensing.
Why the study?
Does single lead VDDR pacing provide stable P wave sensing over long-term follow-up in patients with complete atrioventricular block?
Population
30 patients with complete atrioventricular block
Design
Cohort
Follow-up
12 +/- 1 months (range 6 months to 3 years)
Authors
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P-wave sensing stability with single-pass VDDR leads remains unproven; leaves open need for larger studies before routine use in complete AV block.
Observational (n=30)
Does single lead VDDR pacing provide stable P wave sensing over long-term follow-up in patients with complete atrioventricular block?
Single lead VDDR pacing provides stable long-term P wave sensing in the vast majority of patients with complete AV block, with minimal clinically significant undersensing.
Lau et al. (1994) conducted an observational in Complete atrioventricular block (n=30). Single lead VDDR pacing was evaluated on Stability of P wave sensing and incidence of sensitivity reprogramming. Single lead VDDR pacing provided a stable pacing mode in 97% of patients with complete atrioventricular block over 12 months, with minimal and asymptomatic subclinical atrial undersensing.
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