Rosanio Salvatore, Simonsen Cameron J, Starwalt John, Keylani Abdul M, Vitarelli Antonio
Department of Internal Medicine, Division of Cardiology, University of North Texas Health Science Center, Fort Worth, Texas.
Echocardiology and Adult Congenital Heart Disease Units, La Sapienza University, Rome, Italy.
Echocardiography. 2015 Sep;32(9):1435-7. doi: 10.1111/echo.12938. Epub 2015 Mar 25.
Congenital mitral valve (MV) malformations are uncommon, except for MV prolapse. Despite their infrequency, most of them are well-known and defined entities, such as congenital MV stenosis with two papillary muscles, parachute MV, supravalvular mitral ring, hypoplastic MV, isolated cleft in the anterior and/or posterior leaflets, and double-orifice MV. A trileaflet MV with three separate papillary muscles with concordant atrioventricular and ventricle-arterial connections is exceptionally rare. To the best of the authors' knowledge, it has been reported only once in association with subaortic valvular stenosis. We hereby describe a novel case associated with hypertrophic cardiomyopathy.
先天性二尖瓣（MV）畸形并不常见，但二尖瓣脱垂除外。尽管其发病率较低，但其中大多数是广为人知且明确的实体，例如具有两个乳头肌的先天性二尖瓣狭窄、降落伞样二尖瓣、瓣上二尖瓣环、二尖瓣发育不全、前叶和/或后叶孤立性裂缺以及双孔二尖瓣。具有三个独立乳头肌且房室和心室-动脉连接协调一致的三叶二尖瓣极为罕见。据作者所知，仅曾有一次报道其与主动脉瓣下狭窄相关。我们在此描述一例与肥厚型心肌病相关的新病例。
