Severe Mitral Valve Prolapse with Flail Posterior Leaflet and Severe Mitral Regurgitation
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چکیده
Mitral valve prolapse (MVP) is defined as posterior displacement of all or part of MV leaflet(s) beyond MV annulus at least 2 mm into the left atrium (LA) during systole, with or without mitral leaflet thickening, but prolapsed leaflet(s) pointing towards apex in systole [1]. Mitral regurgitation (MR) is a common complication of MVP. Moreover, MVP with flail leaflet(s) is a severe form of MVP without systolic coaptation. Compared to simple MVP, flail leaflet tip(s) point towards LA and away from apex in systole, typically associated with torn chordae or ruptured papillary muscle [2,3]. Flail leaflet is commonly seen with acute and severe MR.
منابع مشابه
Early detection of left ventricular dysfunction in patients with mitral regurgitation due to flail leaflet is still a challenge.
Lack of normal mitral leaflet apposition and abnormal pointing of the flail component into the left atrium (LA) during systole are typical features of mitral leaflet flail which generate haemodynamically relevant mitral regurgitation (MR). The most common reason for mitral leaflet flail is chord rupture. Rarely, severe prolapse with the leaflet tip bulging into the LA causing severe MR can also...
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