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分娩发作前的胎膜自发破裂(SROM),发生率为6-12%,胎儿多已成熟,分娩多在24小时内完成。当妊娠大于34周,破膜与分娩间期延长时,则增加脓毒症发生率和围产期死亡率。当宫颈未成熟时,一些文献曾认为PG引产优于催产素。本研究旨在比较阴道PGE_2栓同静脉催产素的引产效果。研究对象为孕期>34周、破膜≥4小时尚未胎产者36人,均无多胎、臀位、产前出血或剖腹产史。SROM的诊断用消毒窥器检查和硝嗪拭子阳性来证实。指诊检查宫颈以排除脐带脱垂并按修改的Bishop评分计算。入院后即开始记录产程图,潜伏期进展用Bishop评分的变化、活跃期用宫颈扩张情况表示。一旦宫颈展平和扩张≥2 cm时画宫颈扩张图线。产妇按住院顺序随机分组。静脉催产素组用增加剂量方法(5%葡萄糖1 l含催产素4IU,开始2 mIU/分,增到的最大剂量为32mIU/分)直到有效宫缩。另
Premature childbirth premature rupture of membranes (SROM), the incidence of 6-12%, the fetus has been more mature, more delivery within 24 hours to complete. When more than 34 weeks of pregnancy, rupture of membranes and prolonged interbreeding, then increase the incidence of sepsis and perinatal mortality. When the cervix is immature, some literature has argued that PG induction is superior to oxytocin. This study was designed to compare vaginal PGE_2 suppository with intravenous oxytocin. Subjects were pregnant> 34 weeks, rupture membrane ≥ 4 hours 36 were not yet pregnant, no multiple births, buttocks, prenatal bleeding or caesarean section. SROM diagnosis with disinfection speculum examination and positive test to confirm the nitrazine swab. The cervix was fingerprinted to exclude umbilical cord prolapse and was calculated as a modified Bishop score. Immediately after admission, labor records were recorded, changes in latency were assessed using Bishop scores, and activity was expressed as cervical dilatation. Draw the line of cervical dilatation as soon as the cervix is flattened and dilated ≥ 2 cm. Maternal order by randomized hospital. The intravenous oxytocin group was treated with an incremental dose method (5% dextrose 1 l oxytocin 4IU, starting 2 mIU / min, increasing to a maximum dose of 32 mIU / min) until effective contractions. another