Methods Twenty-two cases with mitral insufficiency and the prolapse of anterior leaflet was main malformation,underwent mitral valve repair using the Double-orifice technique i.

• 目的使用双孔二尖瓣技术治疗不同原因所致的二尖瓣关闭不全,探讨该技术的有效性、合理性和最佳指证。