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Purpose : The aims of this study are to investigate the results of balloon aortic valvuloplasty (BAV) in congenital aortic stenosis(CAS) and, especially, to compare the results between BAV performed before two months of age(Group A) and BAV after two month of age(Group B).
Methods : From January 1993 to June 2000, 14 patients who were diagnosed as CAS were treated... |