ArticleSultan Qaboos University medical journal2025
Incidence and Predictors of Permanent Pacemaker Implantation Following Transcatheter Aortic Valve Replacement:
Article in Sultan Qaboos University medical journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: This study aims to evaluate the predictors and rate of permanent pacemaker (PPM) implantation among patients undergoing transcatheter aortic valve replacement (TAVR) at two institutions in Oman. TAVR has become the standard of care for patients with severe aortic stenosis at high risk for surgery. However, it is associated with a high PPM implantation rate. Methods: This was a retrospective study involving all patients undergoing TAVR at two leading cardiac centres in Oman over seven years, from May 2013 to September 2020. We included patients who survived the procedure to discharge and those who were followed-up for at least 1 year post-procedure. Results: A total of 153 patients (mean age = 74.2 ± 8.2 years; 82 males [53.6%]) were enrolled in the study. Of these, 15 patients (age = 74.3 ± 9.8 years, 46.6% male) required a permanent pacemaker within 1 year of follow-up, giving a pacemaker implantation rate of 9.8% following TAVR in the cohort. The factors that predicted the requirement of a pacemaker were pre-existing right bundle branch block (odds ratio [OR] = 10.9, 95% confidence interval [CI]: 3.31-36.33; Conclusions: The PPM implantation rates post-TAVR at two Omani institutions are comparable to those reported in the literature. Close rhythm surveillance is crucial, especially in patients with any of the predictors identified above, for the timely identification of susceptible patients who might require PPM implantation.
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