Methods Thirty-one patients with special shape ventricular septal defects were examined with echocardiography,and the echoic features were compared with the results after operation.

• 方法从269例单纯室间隔缺损修补术患者中选出形态较特殊的室缺31例,将术前超声心动图的表现与手术发现进行对照分析。