联合瓣膜病变有以下几种组合形式:1.同一病因累及两个或两个以上瓣膜,最常见的为风湿性引起的二尖瓣和主动脉瓣或其他瓣膜病变;其次为感染性心内膜炎可同时侵犯二尖瓣、主动脉瓣或三尖瓣、肺动脉瓣。2.病变源于一个瓣膜,随病情发展可影响或累及另一个瓣膜,导致相对性狭窄或关闭 Combined valvular disease has the following combinations: 1. The same cause involving two or more valves, the most common is caused by rheumatic mitral and aortic valve or other valve disease; followed by infectious endocardium Inflammation can simultaneously infringe the mitral valve, aortic valve or tricuspid valve, pulmonary valve. 2. Lesions originate from a valve that, as the condition progresses, can affect or affect another valve, resulting in a stenosis or closure