在慢性风湿性心脏病中,主动脉瓣狭窄约占其中的1/4,男性较多,常伴有二尖瓣病变。成人单纯主动脉瓣狭窄的患者,约有1/2为先天性主动脉瓣二叶瓣畸形。后天性主动脉瓣狭窄中约有13%为风湿性的。65岁以上老年人的主动脉瓣狭窄多由瓣叶变性、继发钙质沉着而发生。老年性主动脉瓣退行 In chronic rheumatic heart disease, aortic valve stenosis accounts for about 1/4, more men, often accompanied by mitral valve disease. In patients with simple aortic stenosis in adults, about 1/2 of congenital aortic valve cicadae deformity. About 13% of acquired aortic stenosis is rheumatic. Aortic stenosis in the elderly over the age of 65 and more by the valve leaflet degeneration, secondary to calcification occurred. Senile aortic valve degeneration