Key result
Atrial pacing in patients with sick sinus syndrome resulted in second-degree AV block in 2 patients and permanent atrial fibrillation in 5 patients (10%) over a mean follow-up of 48 months.
Why the study?
Does atrial pacing (AAI) increase the risk of distal conduction disturbances and atrial tachyarrhythmias in patients with sick sinus syndrome?
Population
52 patients with sick sinus syndrome (SSS)
Design
Cohort
Follow-up
25-67 (mean 48) months
Authors
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Supports AAI pacing safety for conduction in sick sinus syndrome; leaves open impact on permanent AF versus other pacing modes.
Cohort (n=52)
Does atrial pacing (AAI) increase the risk of distal conduction disturbances and atrial tachyarrhythmias in patients with sick sinus syndrome?
Long-term atrial pacing in sick sinus syndrome is associated with a low incidence of new distal conduction disturbances, though permanent atrial fibrillation developed in 10% of patients.
BELLINDER et al. (1986) conducted a cohort in Sick sinus syndrome (n=52). Atrial pacing (AAI) was evaluated on Incidence of clinically relevant distal conduction disturbances (DCD) and arrhythmias. Atrial pacing in patients with sick sinus syndrome resulted in second-degree AV block in 2 patients and permanent atrial fibrillation in 5 patients (10%) over a mean follow-up of 48 months.
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