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为探讨小儿动脉导管未闭胸膜外手术结扎方法的疗效和优点，将３～１４岁小儿动脉导管未闭７３例随机分为胸膜外组４０例和剖胸组３３例，均采用动脉导管结扎方法。结果：２组患儿的年龄、动脉导管直径基本相同（Ｐ＞０．０５）；但２组的输血率（Ｐ＜０．００１）、并发症发生率、术后住院时间均有显著性差异（Ｐ＜０．０５）。提示：胸膜外手术治疗小儿动脉导管未闭，手术创伤小、输血少、肺部并发症少、术后恢复快，是一种安全而值得推广的手术方法
To explore the efficacy and advantages of pediatric patent ductus arteriosus without external pleural surgery ligation, 73 cases of patent ductus arteriosus of 3-14 years old were randomly divided into 40 cases of pleural effusion group and 33 cases of thoracotomy group, . Results: The age and catheter diameter of the two groups were basically the same (P> 0.05). However, the blood transfusion rate (P <0.001), the incidence of complications and the postoperative hospital stay in the two groups were significantly different (P <0.05). Tip: Extrapleural surgery for pediatric patent ductus arteriosus, small trauma, less blood transfusion, fewer pulmonary complications, rapid recovery after surgery, is a safe and worthy of promotion of surgical methods