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南美州圭亚那首都医院和林登医院施行剖宫产常规以硫喷妥钠诱导全麻。作者选用硬膜外麻醉作对照比较观察全麻和硬麻对胎儿的不同影响。 本组100例,随机分为全麻组和硬麻组各50例。术前均肌注阿托品0.5mg。两组均排除胎儿宫内窘迫、胎心不好产妇。硬麻组选L_(1～2)间隙向上置管4cm,间断注入1％利多卡因和0.25％丁卡因混合液(含1:20万肾上腺素),胎儿娩出前不使用任何镇静、镇痛药。全麻组用2.5％硫喷妥钠4～7mg/kg(总量不超过0.5g)、琥珀胆碱1～2mg/kg,气管插管后纯氧控制呼吸。胎儿娩出前
General hospital of capitals of the South American state of Guyana and Linden hospital for caesarean routine induction of general anesthesia with thiopental. The author chose epidural anesthesia for comparison to observe the different effects of general anesthesia and hard anesthesia on the fetus. The group of 100 patients were randomly divided into general anesthesia group and hard anesthesia group of 50 cases. Preoperative intramuscular injection of atropine 0.5mg. Two groups were excluded fetal distress, poor fetal heart maternal. Hard anesthesia group L_ (1 ~ 2) gap up tube 4cm, intermittent infusion of 1% lidocaine and 0.25% tetracaine mixture (including 1: 200000 epinephrine), the fetus before delivery without any sedation, the town Pain medicine. General anesthesia with 2.5% thiopental 4 ~ 7mg / kg (total no more than 0.5g), succinylcholine 1 ~ 2mg / kg, after intubation pure oxygen control breathing. Before the baby is delivered