先天性主动脉瓣狭窄在各型先天性心脏病中约占5％,根据病变的部位可分为瓣膜部,瓣膜上方和瓣膜下方三种类型。先天性主动脉瓣下隔膜狭窄合并动脉导管未闭(PDA)较为少见,我们1993年连续收治2例,因这类畸形具有独特有病理解剖和不同的手术方法,现报告如下。 1临床资料 Congenital aortic stenosis in various types of congenital heart disease accounts for about 5%, according to the site of the lesion can be divided into valve, valve above and below the valve three types. Congenital aortic subvalvular stenosis with patent ductus arteriosus (PDA) is relatively rare, we were treated in two consecutive cases in 1993, because of this type of deformity has a unique pathological anatomy and different surgical methods, are as follows. 1 clinical data