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目的分析产后出血发生的相关危险因素,探讨预防和减少产后出血的措施。方法对我院2000年1月至2009年12月间住院分娩的产妇出现产后出血的产妇319例,对照638例。通过多元Logistic回归分析评价各危险因素的相对危险性。结果产后出血的发病率为2.09%。相对独立的多个危险因素作用大小的顺位为:胎盘粘连或植入、前置胎盘、多胎妊娠及胎儿体重≥4000g、妊娠期高血压疾病、流产次数≥2次、胎盘早剥。结论避免产前非意愿妊娠以减少前置胎盘、胎盘粘连或植入;减少巨大儿、多胎的发生,有助于预防和减少产后出血。
Objective To analyze the related risk factors of postpartum hemorrhage and discuss the measures to prevent and reduce postpartum hemorrhage. Methods A total of 319 maternal postpartum hemorrhages occurred in our hospital from January 2000 to December 2009 with 638 controls. Multivariate logistic regression analysis evaluated the relative risk of each risk factor. Results The incidence of postpartum hemorrhage was 2.09%. The relatively independent role of multiple risk factors in the order of: placenta accreta or implantation, placenta previa, multiple pregnancy and fetal weight ≥ 4000g, pregnancy-induced hypertension, abortion ≥ 2 times, abortion. Conclusion Avoid prenatal unwanted pregnancy to reduce placenta previa, placental adhesion or implantation; reduce the incidence of huge children, multiple births, help to prevent and reduce postpartum hemorrhage.