Intraprocedural high‐degree atrioventricular block or complete heart block in transcatheter aortic valve replacement recipients with no prior intraventricular conduction disturbances

Background Conduction disturbances are the most frequent complication of transcatheter aortic valve replacement (TAVR). However, no data exists regarding the outcomes of intraprocedural high‐degree atrioventricular block (HAVB) or complete heart block (CHB) in patients without previous conduction di...

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Veröffentlicht in:Catheterization and cardiovascular interventions 2020-04, Vol.95 (5), p.982-990
Hauptverfasser: Junquera, Lucía, Freitas‐Ferraz, Afonso B., Padrón, Remigio, Silva, Iria, Nunes Ferreira‐Neto, Alfredo, Guimaraes, Leonardo, Mohammadi, Siamak, Morís, Cesar, Philippon, François, Rodés‐Cabau, Josep
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Sprache:eng
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Zusammenfassung:Background Conduction disturbances are the most frequent complication of transcatheter aortic valve replacement (TAVR). However, no data exists regarding the outcomes of intraprocedural high‐degree atrioventricular block (HAVB) or complete heart block (CHB) in patients without previous conduction disturbances. Objectives The aim of this study was to evaluate the outcomes of intraprocedural‐HAVB/CHB in patients without previous intraventricular conduction disturbances. Methods The occurrence of intraprocedural‐HAVB/CHB was assessed in 676 consecutive patients undergoing TAVR, and two groups were established according to its duration: persistent‐HAVB/CHB (PHAVB/CHB) and transient‐HAVB/CHB (THAVB/CHB), not present at the end of the procedure. Results Intraprocedural‐HAVB/CHB occurred in 50 patients (7.4%), being persistent in 32 (64.0%), and transient in 18 (36.0%). The use of Medtronic Corevalve Revalving System (MCRS) and a greater oversizing of the valve increased the risk of intraprocedural‐HAVB/CHB (p 
ISSN:1522-1946
1522-726X
DOI:10.1002/ccd.28323