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European Journal of Echocardiography 2008 9(1):201-203; doi:10.1093/ejechocard/jem071
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Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2008. For permissions please email: journals.permissions@oxfordjournals.org

An unusual cause of pacemaker-induced severe tricuspid regurgitation

A. Loupy, D. Messika-Zeitoun*, A. Cachier, D. Himbert, E. Brochet, B. Lung and A. Vahanian

Cardiology Department, Bichat Hospital, AP-HP, 46 rue Henri Huchard, 75018 Paris, France

Received 17 July 2007; accepted after revision 30 September 2007.

* Corresponding author. E-mail address: david.messika-zeitoun{at}bch.ap-hop-paris.fr, david.messika-zeitoun{at}bch.aphp.fr


  Abstract

Pacemaker (PM) induced tricuspid regurgitation (TR) is a common echocardiographic finding. Although mild or moderate TR is frequently observed, severe TR is rare. We report the exceptional observation of a severe TR due to leaflet malcoaptation occurring late after PM implantation and in the following weeks after an aortic valve replacement. Our hypothesis is that the aortic valve surgery has been responsible for conformational changes between cardiac cavities, tricuspid valve and PM leads resulting in a severe TR.

Keywords: Tricuspid regurgitation; Pacemaker; Cardiac surgery


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