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
Objective To appraise the effects of regional wall motion of left ventricle after mitral valve replacement with or without preservation of subvalvular apparatus.
目的探讨保留瓣下结构对二尖瓣置换术后室壁运动的影响。
3
Conclusion Miral valve replacement with preservation of posterior subvalvular apparatus is beneficial for renewing cardiac function and for a long-term improvement of cardiac function.