Key result
Endocardial pacemaker electrodes allowed for long-term complication-free pacing, with 40% of patients surviving 10 or more years and 62% of these survivors experiencing no electrode problems.
Why the study?
Do endocardial pacemaker electrodes provide long-term complication-free pacing in patients requiring pacemakers?
Population
328 consecutive patients treated with pacemaker electrodes between 1959 and 1967
Comparison
Endocardial pacemaker electrodes vs Epicardial pacemaker electrodes
Design
Cohort
Follow-up
10 years or more
Authors
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Supports durability in long-term survivors; leaves open generalizability and need for randomized comparisons.
Cohort (n=328)
Do endocardial pacemaker electrodes provide long-term complication-free pacing in patients requiring pacemakers?
Endocardial pacemaker electrodes can provide stable, complication-free pacing over a 10-year period with consistent stimulation thresholds.
Lagergren et al. (1979) conducted a cohort in Pacemaker implantation (n=328). Endocardial pacemaker electrodes vs. Epicardial electrodes was evaluated on 10-year survival. Endocardial pacemaker electrodes allowed for long-term complication-free pacing, with 40% of patients surviving 10 or more years and 62% of these survivors experiencing no electrode problems.
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