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概念二尖瓣脱垂综合征(MVPS)是包括瓣叶、瓣环(MVA)和腱索异常而致的功能障碍,以左心室(LV)收缩时二尖瓣叶(MVL)的一叶或两叶膨入左心房(LA),同时有(无)二尖瓣返流(MR)为特点的综合征。其他还有“喀喇音-杂音综合征”等20余种不同的命名。可将其分为特发性和继发性。特发性MVPS是指MVL粘液瘤样变不伴全身结缔组织(CT)疾病及对心脏有影响的其他因素和疾病。由全身CT疾病等多种因素和病症累及二尖瓣(MV)装置造成MVL膨入左心房(LA),称之为继发性MVPS。此文重点讨论特发性MVPS。
Concept Mitral valve prolapse syndrome (MVPS) is a dysfunction that includes abnormalities of the valve leaflets, valve annulus (MVA), and chordae tendon. In the case of left ventricular (LV) contractions, one leaflet of mitral valve leaflets The two lobes swell into the left atrium (LA) with a syndrome characterized by (no) mitral regurgitation (MR). There are also more than 20 kinds of different names such as “Harmony - murmur syndrome”. It can be divided into idiopathic and secondary. Idiopathic MVPS refers to other factors and diseases in which MVL myxoma is not associated with systemic connective tissue (CT) disease and with cardiac effects. MVL is inflated into the left atrium (LA) by a variety of factors and conditions, including systemic CT disease, that involve the MV device. This is called secondary MVPS. This article focuses on idiopathic MVPS.