repair of ventricular septal defect

例句：

1. 1.The patient's condition improved significantly after the surgery.
   手术后，患者的病情有了很大的改善。
2. 2.The heart surgeon performed a successful repair of the ventricular septal defect.
   心脏外科医生成功地修复了心室间隔缺损。
3. 3.The family was relieved to have their child back home after the repair.
   在修复后，这个家庭很高兴他们的孩子能够回家。