Conduction Abnormalities After Transcatheter Aortic Valve Replacement

Author:

Kanjanauthai Somsupha1,Bhasin Kabir1,Pirelli Luigi1,Kliger Chad A1,

Affiliation:

1. Valve and Structural Heart Center, Lenox Hill Heart and Lung, New York, NY

Abstract

Transcatheter aortic valve replacement (TAVR) has been established as a therapeutic option for patients with severe symptomatic aortic stenosis who are of intermediate or higher surgical risk. Several periprocedural complications are reduced with newer transcatheter heart valve generations; however, conduction abnormalities and the need for permanent pacemaker implantation have remained unchanged and are the most frequent TAVR complications. The close relationship of the atrioventricular node and left bundle branch to the subaortic region explains these potential conduction abnormalities. This article highlights conduction abnormalities after TAVR with a focus on basic conduction system anatomy in relation to the aortic valve, the mechanism, incidence, predisposing factors for occurrence, impact on mortality and finally, proposed treatment algorithms for management.

Publisher

Radcliffe Group Ltd

Subject

Cardiology and Cardiovascular Medicine

Reference92 articles.

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