Do carry out ligation operation, can on the spot after aborticide?
堕胎后就地进行结扎手术，可以吗？
Objective: To explore the feasibility of TEA combined with GA with intubation in the ligation operation of children PDA.
目的：探讨胸段硬外阻滞（TEA）复合全麻（GA ）在小儿动脉导管未闭（PDA）结扎术中的可行性。
Conclusions Base on the understanding of the severity of the disease, the safety and efficacy of LA depend on the skill of dissection, incision and ligation and the standardization of the operation.
结论在正确认识疾病严重程度的基础上，熟练的分离、切割、结扎等技术及操作程序的规范化是保证LA手术安全性和疗效的关键。
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