Objective To explore the clinical effects of aortic valvuloplasty in treatment of ventricular septal defect(VSD)with moderate or severe aortic valve insufficiency(AI)in children.

• 目的探讨室间隔缺损(VSD)并中重度主动脉瓣关闭不全(AI)患儿行主动脉瓣成形术的疗效。