74例产后出血原因及影响因素分析

目的:为了预防产后出血,降低孕产妇的死亡率,探讨产后出血的原因和影响因素,从而有针对性地进行防治.方法:对我院2002年1月～2006年1月所发生的产后出血进行回顾性分析.结果:发生产后出血74例,其发生率为2.33%(74/3178).导致产后出血的原因中,宫缩乏力占43.24%,胎盘因素占39.19%,产道损伤占6.76%,凝血功能障碍占1.35%.不同孕周、分娩方式、多胎妊娠、以及有无妊娠合并症或并发症的比较,差异有统计学意义(P＜0.05).结论:通过回顾性病例分析,进一步探讨出产后出血的原因主要有宫缩乏力、胎盘因素、软产道损伤及凝血功能障碍.产后出血与分娩方式、孕周、多胎妊娠、有无妊娠合并症或并发症等有关.

Analysis on causes and effect factors of 74 cases of postpartum hemorrahage

Objectives:To investigate the causes and effect factors of postpartum hemorrhage(PPH)in order to prevent PPH and decrease the mortality rate of gravida and parturient.Methods:Retrospective analysis was done on the 74 cases of PPH from Jan 2002 to Jan 2006 in our hospital.Results:The incidence rate of PPH during 4 years was 2.33%(74/3178).The causes were uterine inertia(43.24%),abnormal placenta(39.19%),injury of birth canal(6.67%),and dysfunction of blood coagulation(1.35%).There was significant difference among delivery style,gestational weeks,multiple pregnancy,and complications.(P<0.05).Conclusions:The retrospective analysis on the cases found that the major causes of PPH were uterine inertia,abnormal placenta,injury of birth canal and dysfunction of blood coagulation and PPH was related to style of delivery,gestational weeks,multiple pregnancy,and complications.