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。
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。
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