结果示右房径路组术后右心室收缩功能优于右室径路组，术后心律失常及肺动脉瓣关闭不全发生率明显为低。
Results : the contractile function of right ventricle was better in transatrial approach group . The incidences of arrhythmia and pulmonary regurgitation were lower .
肺动脉瓣关闭不全