Why the study?
Does cardiac pacing improve long-term survival in patients with atrioventricular block?
Population
48 patients with atrioventricular block in whom pacing had been introduced 5 years or more before analysis
Comparison
Cardiac pacing vs Patients not paced
Design
Cohort
Follow-up
5 years or more
Authors
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Pacing may support better survival in AV block; leaves open causal confirmation in randomized trials.
Does cardiac pacing improve long-term survival in patients with atrioventricular block?
Cardiac pacing in patients with atrioventricular block provides substantially better 1-year and 5-year survival rates compared to historical unpaced cohorts.
Zion et al. (1973) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: