妊娠高血压综合征(PIH)基本病理变化为全身小动脉痉挛,临床表现为高血压、水肿、蛋白尿,严重时出现抽搐、昏迷、心肾功能衰竭及各种并发症,甚至导致母婴死亡。近年来,剖宫产比例逐渐上升,特别是妊高征患者由于害怕产时剧痛、子痫等的发生,手术终止妊娠的比例更高,故加强妊高征剖宫产术 The basic pathological changes of pregnancy-induced hypertension (PIH) are systemic arteriole spasm. The clinical manifestations are hypertension, edema and proteinuria. In severe cases, convulsions, coma, heart and kidney failure and various complications occur and even result in maternal and infant death . In recent years, the proportion of cesarean section gradually increased, especially in patients with pregnancy induced hypertension due to fear of severe labor-induced pain, eclampsia and the like, a higher proportion of surgical termination of pregnancy, it is to enhance pregnancy-induced hypertension cesarean section