Predictors of Early and Late Atrioventricular Block Requiring Permanent Pacemaker Implantation After Transcatheter Aortic Valve Replacement: A Single-Center Experience |
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Institution: | 1. Department of Medicine, St. Mary Medical Center, Langhorne, PA, USA;2. Department of Cardiology, North Shore University Hospital, Manhasset, NY, USA;3. Department of Cardiology, St. Mary Medical Center, Langhorne, PA, USA;4. Department of Cardiology, Drexel University College of Medicine, Philadelphia, PA, USA;1. Spectrum Health – Michigan State University, Grand Rapids, MI, United States of America;2. Frederik Meijer Heart & Vascular Institute, Spectrum Health, Grand Rapids, MI, United States of America;3. Division of Cardiovascular Medicine, University of Nebraska Medical Center, Omaha, NE, United States of America;4. The DeVos Cardiovascular Research Program, Van Andel Research Institute, Spectrum Health, Grand Rapids, MI, United States of America;5. Advanced Radiology Services, Spectrum Health – Michigan State University, Grand Rapids, MI, United States of America |
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Abstract: | PurposeComplete heart block requiring permanent pacemaker can occur early following transcatheter aortic valve replacement (TAVR) due to mechanical compression of the aortic valve annulus and associated atrio-ventricular (AV) conduction system. Data are limited regarding late PM implantation after TAVR. The purpose of this study was to determine predictors of early vs. late PM implantation post-TAVR procedure.MethodsBaseline characteristics of patients who required PM <7 days following TAVR were compared with patients who required a PM >7 days to 1 year following TAVR using Chi-Square and multivariate regression analysis.ResultsThere were 362 TAVR patients, of which 39 (10.4%) received a PM after TAVR. Of these 18 (4.6%) patients required PM within 7 days after TAVR, and 21 (5.8%) required PM after 7 days and up to 1 year later. Right bundle branch block (RBBB) (OR 6.721, CI 2.3–36.9, p < 0.005) was a positive predictor of early PM placement. Left bundle branch block (LBBB) (OR = 3.5, CI 1.19–10.80, p-value < 0.05) and atrial fibrillation (AF) (OR = 3.5, 1.36–9.4 p < 0.05) were predictors for late PM. Early and late PM were associated with a longer median hospital stay compared to no PM (4.9 ± 4.86 days vs. 10.1 ± 10.04 days vs. 6.10 ± 6.02 days). The incidence of heart failure was higher in the late PM group. The overall motility was not increased in early and late PM compared to no PM.ConclusionPatients requiring PM implant after TAVR was 10.4%, of which 5.8% need PM >7 days post-TAVR. RBBB is a predictor for early PM. AF and LBBB were predictors for late PM. |
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