妊娠晚期不同促宫颈成熟方式的临床效果分析

目的：观察妊娠晚期不同促宫颈成熟方式的临床效果，提高引产成功率，从而降低剖宫产率。方法随机选取2011年1月至2012年12月于我院住院待产的初产孕妇120例，均为足月妊娠，无阴道分娩禁忌，具有引产指征，且宫颈评分≤4分，详细向其介绍不同的促宫颈成熟方式，其中66例自愿选择应用库克医疗公司促宫颈成熟球囊（ Cook Medical′s Cervical Ripening Balloon ，简称Cook球囊），作为球囊组；54例自愿选择单纯催产素静脉点滴，作为催产素组。观察2组促宫颈成熟前后的宫颈Bishop评分、剖宫产率及感染风险。结果球囊组与催产素组在宫颈评分、剖宫产率方面均有显著性差异（ P＜0.01），在感染风险方面两者无显著性差异（P＞0．05）。结论宫颈扩张球囊促宫颈成熟效果比单纯催产素静脉点滴明显，提高了引产成功率，有效降低剖宫产率，而感染风险并无增加。

Clinical effects of different methods to improve cervical ripening at the third trimester of pregnancy

Objective To observe the clinical effects of different methods to improve cervical ripening at the third trimester of pregnancy, so as to improve the success rate of labor induction and reduce the cesarean section （CS） rate.Methods One hundred and twenty predelivery pregnant women hospitalized from January 2011 to December 2012 were selected randomly for the study .All the subjects were primiparae , without vaginal delivery contraindications and with signs of induced labor and cervical scores ≤4.Following introduction to different methods of promoting cervical ripening , 66 cases voluntarily selected to use the Cook Medical′s Cervical Ripe-ning Balloon and were assigned as the balloon group .The other 54 cases selected oxytocin for the induction of labor and were assigned as the oxytocin group .Bishop scores , CS rates and infection risks were observed both before and after promotion of cervical ripening , and were compared between the two groups .Results There were significant differences in cervical scores and CS rates between the bal -loon group and the oxytocin group , while no significant differences could be seen in infection rates between the 2 groups （P〈0.05）. Conclusion Cook Medical′s Cervical Ripening Balloon could produce better effect on cervical ripening than simple intravenous infu -sion of oxytocin .It could increase the success rate of labor induction and decrease the CS rate , but without increase in infection risk .