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本文报道25例硬膜外麻醉后分娩活跃期脐动脉和子宫动脉多普勒测定的血流速度变化情况。其中先兆子痫7例,慢性高血压8例,正常妊娠10例。患者均妊娠36周以上,宫口扩张4～7cm, 3分钟内至少有一次较强的规律宫缩。麻醉选用药物是0.25％盐酸丁哌卡因。麻醉前输注林格氏液500～750ml,先兆子痫组同时输入硫酸镁。多普勒血流速度测定分四个时期进行,即输液前,输液后20～30分钟,麻醉药注入后30分钟及显效后60分钟。试
This article reports 25 cases of epidural anesthesia postpartum uterine artery and uterine artery Doppler blood flow velocity changes. Seven cases of preeclampsia, eight cases of chronic hypertension, 10 cases of normal pregnancy. Patients were more than 36 weeks of pregnancy, cervix expansion 4 ~ 7cm, 3 minutes at least once a strong regular contractions. The drug of choice for anesthesia is 0.25% bupivacaine hydrochloride. Anesthesia before infusion of Ringer’s solution 500 ~ 750ml, pre-eclampsia group also imported magnesium sulfate. Doppler blood flow velocity was measured in four periods: before infusion, 20-30 minutes after infusion, 30 minutes after injection of anesthetics and 60 minutes after markedly effective. test