The outlet tracts of right ventricle were widened with Dacron and self-pericardial patch in 14 patients,with pericardial patch in 2 patients.

• 全组中 16例使用补片扩大右心室流出道的病例中 ,14例采用涤沦布并自体心包补片 ,2例采用自体心包补片。