Aim: To assess the effect of the totally flexible prosthetic ring in mitral and tricuspidannuloplasty.
目的：评价全软成形环在二尖瓣关闭不全瓣环成形术中的作用。
2
Purpose: To find the predictive factors of low cardiac output after mitral and aortic valve operation combined with tricuspidannuloplasty of tricuspid valve lesion.