Why the study?
Does the indication for pacemaker implantation (SSS vs AVB) affect survival rates?
Population
1,245 patients who underwent pacemaker implantation between January 1968 and December 1986.
Comparison
Pacemaker implantation for Sick Sinus Syndrome vs Pacemaker implantation for atrioventricular block
Design
Cohort
Authors
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Pacing indication should not yet inform survival expectations; leaves open whether indication-specific strategies improve outcomes beyond age and disease.
Does the indication for pacemaker implantation (SSS vs AVB) affect survival rates?
Survival after pacemaker implantation is primarily driven by age, pacing mode, and underlying heart disease rather than the specific electrophysiological indication (SSS vs AVB).
Zanini et al. (1989) studied this question.
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