Objective To study the feasibility and effects of uterine arterial embolization before induced labor in placenta previa of the medium-term pregnancy. Method Selding 's techniques were used for the bilateral uterine artery superselective embolization before the induced labor in 4 cases of placenta previa of medium-term pregnancy. Results All 4 pregnant women gave delivery of the fetus and their accessories 37 - 49h (42.75h in average) after operation. The mean volume of bleeding was 67.5(60-80) ml. There was no major procedure related complication. Conclusion The pelvic artery embolization is an effective alternative to surgery in controlling obstetric hemorrhage and is a fertility reservation and life-saving procedure.%目的 探讨前置胎盘中期妊娠引产前行子宫动脉栓塞术(uterine artery embolisation,UAE)的可行性及疗效.方法 采用Selding's技术对4例妊娠前置胎盘状态要求引产患者进行超选择性双侧子宫动脉栓塞术.结果 4例孕妇平均于术后42.75(37 ～49)h娩出胎儿及附属物,产后出血平均67.5(60 ～80)ml.未出现明显并发症.结论 子宫动脉栓塞术对预防中期妊娠前置胎盘引产出血疗效可靠,且操作简单,安全实用,值得推广.
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