Results: All cases had right coronary valve prolapse, 9 patients were with subarterial VSD, 3 patients were perimembranous VSD.

• 结果：12例室间隔缺损伴主动脉瓣脱垂均为右冠瓣脱垂，干下型室间隔缺损占了5%25(9/12)，超声诊断准确率92.；3%25。