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肺动脉瓣的病变分为肺动脉瓣狭窄和关闭不全两种。肺动脉瓣关闭不全的发病率与其他心瓣膜病相比是最低的。本病可分为先天性和后天性两类。在后天性中又可分为功能性和器质性两种。先天性肺动脉瓣关闭不全极为少见,在后天性肺动脉瓣关闭不全中则以功能性继发于肺动脉高压较器质
Pulmonary valve disease is divided into two kinds of pulmonary valve stenosis and insufficiency. The incidence of pulmonary insufficiency is the lowest compared to other valvular diseases. The disease can be divided into two types of congenital and acquired. In acquired nature can be divided into functional and organic two. Congenital pulmonary insufficiency is extremely rare in the acquired pulmonary insufficiency is functional secondary to pulmonary hypertension compared with the quality