It is feasible to evaluate indications of operation and choose radical or palliative procedures according to PAI(>150 mm2/m2) in patients with PA-VSD. The optimal technique of patients with PA-IVS should be dicided by Z value and size of right ventricle.

• PA- VSD患者可根据 PAI是否 >15 0 mm2 /m2选择实施根治术或姑息手术 ,PA- IVS可根据右心室发育情况和 Z值选择术式。