妊娠期高血压疾病(hypertension in pregnancy,HIP)是一组多因素诱发的以血压改变为特征的血管性疾病,属于妊娠期特有的疾病,基本病理生理变化是全身小血管痉挛,引起全身各系统器官灌流减少,严重威胁孕产妇健康及造成围产儿死亡[1],妊娠期高血压疾病发生产后出血是严重的并发症,也是孕产妇死亡的重要原因之一。WHO数据提示,世界范围内每年约有14万孕产妇死于产后出血,数十年来,产后出血一直是引 Hypertensive pregnancy (HIP) is a group of multifactorial vascular diseases characterized by changes of blood pressure. It belongs to the disease which is peculiar to pregnancy. The basic pathophysiological changes are systemic vasospasm which causes systemic and systemic diseases Reduced organ perfusion, a serious threat to maternal health and perinatal deaths [1], postpartum hemorrhage in hypertensive disorders of pregnancy is a serious complication, but also one of the important causes of maternal mortality. WHO data suggest that about 140,000 maternal deaths occur in postpartum hemorrhage worldwide each year, and postpartum hemorrhage has been a