产后出血的相关因素及预防

目的 探讨产后出血的相关因素及预防措施，以降低孕产妇的死亡率。方法 回顾性分析2007年3．6月在我科收治的89例产后出血患者的临床资料。结果67例产后出血发生在2h以内，占75．28％（67／89）。孕周在37—40周，胎儿体质量在2500～4000g者，产后出血的发病率较低，发病率分别为6．46％（40／619）、6．38％（54／847）。有多次分娩史、双胎、胎盘因素者出血发病率明显增高，分别为31．25％（5／16）、44．44％（4／9）、74．19％（23／31）。结论 产后出血的发生与孕周、胎儿体质量、分娩方式、流产史、精神因素等密切相关。

Correlated factors of postpartum hemorrhage and its prevention

Objective To investigate the correlated factors and preventive measures for postpartum hemorrhage in order to reduce the maternal mortality. Methods The clinical data of 89 patients with postpartum hemorrhage treated in this department during March 2007 to June 2007 were retrospectively reviewed and analyzed. Results In 75.28% （67/89） of 67 cases, postpartum hemorrhage in was happened within two hours after delivery. Lower incidence rate was usually seen in those women with gestational age ranged from 37 to 40 and fetal weight from 2500g to 4000g, and their incidence rates were 6.46% （40/619） and 6.38% （54/847） respectively. The incidence rate was significantly increased with labors over 3 times, twins and cesarean section, and their incidence rates were 31.25% （5/16）, 44. 44% （4/9）and 74. 19% （23/31）respectively. Conclusion Gestational age, fetal weight, delivery pattern, abortion history, mental factors etc are closely related to the occurrence of postpartum hemorrhage.