Key result
Preoperative conducting system disease was not associated with an increased incidence of permanent pacemaker implantation after isolated aortic valve replacement (25% vs 25.7%, P=NS).
Why the study?
What are the incidence and predictors of 30-day permanent pacemaker implantation in patients undergoing isolated aortic valve replacement?
Population
261 consecutive patients undergoing isolated aortic valve replacement, mean age 69 +/- 12 years, 136 men…
Design
Cohort
Follow-up
30-day
Authors
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Does not support preoperative conduction disease as a PPM risk factor after isolated AVR; leaves open prospective validation.
Cohort (n=261)
What are the incidence and predictors of 30-day permanent pacemaker implantation in patients undergoing isolated aortic valve replacement?
Absolute Event Rate: 25% vs 25.7%
p-value: p=NS
The need for permanent pacemaker implantation after isolated aortic valve replacement is low (3%) and is predicted by preoperative advanced aortic valve disease (end-systolic diameter and septal hypertrophy) rather than pre-existing conduction abnormalities.
Nardi et al. (2010) conducted a cohort in isolated aortic valve replacement (n=261). Preoperative conducting system disease vs. No preoperative conducting system disease was evaluated on Postoperative 30-day permanent pacemaker implantation (p=NS). Preoperative conducting system disease was not associated with an increased incidence of permanent pacemaker implantation after isolated aortic valve replacement (25% vs 25.7%, P=NS).
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