Personne : Bergeron, Sébastien
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Bergeron
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Sébastien
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Université Laval. Département de médecine
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ncf13729623
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Publication Accès libre Bioprosthetic mitral valve thrombosis : a multifaceted and challenging clinical and imaging spectrum(Elsevier Inc., 2021-11-17) Châteauneuf, Gabriel; De Larochellière, Hugo; Clavel, Marie-Annick; Kalavrouziotis, Dimitri; Charbonneau, Éric; Dagenais, François; Morin, Francis; Silva, Iria; Turgeon, Pierre-Yves; Paradis, Jean-Michel; Bernier, Mathieu; Beaudoin, Jonathan; Bergeron, Sébastien; Rodés-Cabau, Josep; Mohammadi, Siamak; Pibarot, Philippe; O'Connor, Kim; Salaun, ErwanSubclinical leaflet thrombosis of bioprosthetic aortic valves after transcatheter aortic valve replacement has been emphasized in recent published data, but few reports have focused on bioprosthetic mitral valve thrombosis. Bioprosthetic mitral valve thrombosis is a complex and multifaceted process that is associated with a wide spectrum of clinical and imaging features. The clinical presentation ranges from incidental discovery to systemic embolic events and acute heart failure. Comprehensive transthoracic echocardiographic assessment is key for early detection of subtle changes in bioprosthetic valve morphology and / or function, and indirect signs of reduced leaflet motion such as color paucity. Transesophageal echocardiography is essential to confirm the presence of valve thrombosis. Multimodality imaging is gaining increased acceptance for the evaluation of systemic embolism and for ruling out infective endocarditis using cardiac and extracardiac anatomical and metabolic imaging. This report illustrates both : 1) the spectrum of clinical and imaging characteristics associated with mitral bioprosthetic valve thrombosis ; and 2) the case-by-case management of this challenging condition by the heart team.