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在围产期,臀位的危险性很大。处理臀位是产科重要课题之一,轻易采用剖宫产亦非良策。历来减少臀位分娩的方法之一是在妊娠8～9个月之间行臀位外倒转术。为避免因外倒转引起的早产、早破水,胎盘早剥、脐带扭转等所致的胎死宫内,减少再复臀位率,1975年Saling等提出将施术时间放在孕37周后,并在胎心监护下进行妊娠晚期臀位外倒转术(late external cep halic version,简称lateEC V),认为是一种新的臀位处理法。作者的临床实施结果如下: 对象为1983年7月～1986年9月间妊娠36周以后的臀位22倒。其中单(伸腿)臀14例,混合臀位8例。
In the perinatal period, the risk of breech is great. Treatment of breech is one of the important subjects of obstetrics, easy to adopt cesarean section is not good policy. Historically, one of the ways to reduce breech delivery was to perform a hip breech inversion between 8 and 9 months of gestation. In order to avoid premature delivery caused by external inversion, premature rupture of water, placental abruption, umbilical cord twisting caused by fetal death, reduction of bifurcation rate again in 1975, Saling et al proposed that the operation time on the 37th week after pregnancy, And in the fetal heart rate monitoring of late pregnancy breech incision (lateEC V), is considered a new breech method. The author’s clinical implementation of the results are as follows: The object for the July 1983 ~ September 1986 between 36 weeks after pregnancy breech 22 down. Including single (leg extension) hip 14 cases, mixed breech 8 cases.