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目的探讨妊娠中、晚期未成熟儿合并完全性前置胎盘行介入超声羊膜腔内治疗的安全性。方法对观察组25例妊娠2834周合并完全性前置胎盘的孕妇,行B超介入下羊膜腔内灌注药物治疗13次,并与29例静脉滴注对照组进行对比分析。结果观察组孕妇行介入超声下穿刺均成功,早产儿Apgar1min与5min评分均高于对照组(P<0.01),围生儿存活率达100%,未发生羊膜腔内输液并发症。结论在完全性前置胎盘的期待治疗中采用介入超声羊膜腔内灌注术安全、可靠,可明显降低围生儿的病死率。
Objective To investigate the safety of interventional ultrasound amniocentesis in the treatment of middle and late stage immature children with complete placenta previa. Methods Twenty-five pregnant women with gestational age 2834 weeks and complete placenta previa in the observation group were treated with intraperitoneal injection of B-ultrasound for 13 times and compared with 29 cases of intravenous drip control group. Results In the observation group, the interventional ultrasound was successful in both groups. The scores of Apgar 1 min and 5 min in preterm infants were higher than those in control group (P <0.01). The perinatal survival rate was 100%. No intra-amniotic transfusion complications occurred. Conclusions Intramuscular instillation is safe and reliable in expectant treatment of complete placenta previa. It can significantly reduce the perinatal mortality.