[Immediate and mid-term results of balloon valvuloplasty in congenital aortic stenosis. Ten case reports].

From 1987 to 2000, 10 patients aged 0.5 to 20 years with congenital valvular aortic stenosis underwent percutaneous balloon aortic valvuloplasty. In one patient, balloon valvuloplasty was unsuccessful, this patient had acute artery thrombosis requiring surgical intervention.