Objective: To evaluate the effect of preservation of the entire mitral subvalvular apparatus during double valve replacement on left ventricular functions.
目的：评价保留二尖瓣全瓣下结构对双瓣替换者术后左心功能的影响。
2
Conclusion the pathological shortening of mitral valve and sub-valvular apparatus caused by long-term rheumatic disease is the main cause of decreased left ventricular volume in mitral stenosis.
结论长期风湿性病变引起的二尖瓣膜和瓣下结构的病理性挛缩是二尖瓣狭窄左心室容量减小的主要原因。
3
Objective To appraise the effects of regional wall motion of left ventricle after mitral valve replacement with or without preservation of subvalvular apparatus.