主要观察指标：主动脉弓、颈内动脉及椎基底动脉系统血管结构异常的类型、分布及比例。
MAIN OUTCOME MEASURES: Type, distribution and proportion of vessel structural abnormity of aortic arch, carotid artery and vertebrobasilar system.
用带瓣同种肺动脉或主动脉及人造血管，建立右心室流入道三尖瓣环下方至主肺动脉的外管道。
By using allograft conduit, an external valved conduit was reconstructed between the inlet of the right ventricle and the main pulmonary artery.
超声心动图表现为主肺动脉分叉结构消失，缺如一侧的肺动脉由主动脉发出。
Echocardiography didn't show normal main pulmonary artery bifurcation structure, and the missing pulmonary artery was from aorta.
超声心动图表现为主肺动脉分叉结构消失，缺如一侧的肺动脉由主动脉发出。
Echocardiography didn't show normal main pulmonary artery bifurcation structure, and the missing pulmonary artery was from aorta.
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