Objective To compare the curative effect of PDA surgical ligation between left Ausculatry triangle thoracotomy(ATT) and Posterolateral incision(PLT).

目的评估左听诊三角切口（ATT）与后外侧切口（PLT）下动脉导管未闭（PDA）缝扎术的疗效。

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Objective To compare the curative effect of PDA surgical ligation between left Ausculatry triangle thoracotomy(ATT) and Posterolateral incision(PLT).

目的评估左听诊三角切口（ATT）与后外侧切口（PLT）下动脉导管未闭（PDA）缝扎术的疗效。

youdao