June 1, 1989Pacing and Clinical Electrophysiology
Atrial Inhibited Pacing in the Sick Sinus Node Syndrome: Clinical Value and the Demand for Rate Responsiveness
Key result
Atrial inhibited pacing in sick sinus node syndrome was associated with low rates of lead failure (5%), atrial fibrillation (3%), and atrioventricular block (6%) over a mean of 32 months.
Why the study?
What is the incidence of complications and the need for rate responsiveness in patients with sick sinus node syndrome receiving atrial inhibited pacemakers?
Population
66 patients with sick sinus node syndrome (mean age 71 +/- 9 years, 32 males)
Design
Cohort
Follow-up
mean 32 +/- 29 months (median 26 months)
Authors
Discussion
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Member takes
Overview
May support atrial inhibited pacing in selected sinus node dysfunction; leaves open need for randomized confirmation of durability.
Study Design
Type
Observational (n=66)
Structured PICO
What is the incidence of complications and the need for rate responsiveness in patients with sick sinus node syndrome receiving atrial inhibited pacemakers?
P
Population
66 patients (mean age 71 years) with sick sinus node syndrome who received atrial inhibited pacemakers, followed for a mean of 32 months.
E
Exposure
Atrial inhibited pacemakers
O
Outcome
Incidence of lead failures, chronic atrial tachyarrhythmias, atrioventricular conduction disturbances, and the need for rate responsive pacingsafety
Atrial inhibited pacing is well suited for selected patients with sinus node dysfunction and preserved AV conduction, with a low incidence of complications and limited need for rate-responsive pacemakers.
Cite This Study
Kallryd et al. (1989) conducted an observational in Sick sinus node syndrome (n=66). Atrial inhibited pacemakers was evaluated on Incidence of lead failures, chronic atrial tachyarrhythmias, and atrioventricular conduction disturbances. Atrial inhibited pacing in sick sinus node syndrome was associated with low rates of lead failure (5%), atrial fibrillation (3%), and atrioventricular block (6%) over a mean of 32 months.