狭窄的主动脉瓣环。一种植入更大人工瓣膜的技术。

Am Heart J. 1977 Jun;93(6):759-61. doi: 10.1016/s0002-8703(77)80072-0.

A surgical method is described which enables a relatively larger aortic prosthetic valve to be inserted. This consists of widening the aortic root with pericardium and inserting the prosthesis slightly obliquely. The technique has been successfully applied in all 12 patients on whom it was attempted.

描述了一种手术方法，该方法能够插入相对较大的主动脉人工瓣膜。这包括用心包扩大主动脉根部，并将假体稍微倾斜插入。该技术已在所有尝试该技术的12例患者中成功应用。