Key result
Aortic valve replacement late after pacemaker implantation was hypothesized to cause conformational changes leading to severe tricuspid regurgitation from leaflet malcoaptation.
Case Report (n=1)
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Aortic valve replacement can induce conformational changes that exacerbate pacemaker lead-induced tricuspid regurgitation.
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.
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Loupy et al. (2008) conducted a case report in Pacemaker-induced severe tricuspid regurgitation (n=1). Aortic valve replacement was evaluated on Severe tricuspid regurgitation. Aortic valve replacement late after pacemaker implantation was hypothesized to cause conformational changes leading to severe tricuspid regurgitation from leaflet malcoaptation.
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