目的介绍巨大动脉导管未闭合并重度肺动脉高压的一种改良术式及其可行性、安全性和适应症。
Objective to introduce modified operation of patent arterial duct complicated with severe pulmonary hypertension and to study its feasibility, safety and indications.
绝大多数先天性动脉导管未闭症可做常规闭合术，但对少部分合并重度肺动脉高压者将冒极大风险。
Majority of the cases with congenital PDA can be operated on with routine technique, but it will be very dangerous for some patients complicated with severe pulmonary hypertension.
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