| Comparative Study on the Induction of Anesthesia of Cesarean Section . |
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Hyun Jung Youn, Young Beom Lee, Young Jin Han, He Sun Song |
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Department of Anesthesiology, Chonbuk National University Medical School, Korea. |
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| Abstract |
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In the anesthesia for Cesarean section, the anesthetists should select the agent and technique which is safe for both the morther and baby. It seems to be a general tendency that delivery by Cesarean section has been increasing because of the development of anesthetic techniques and agents with which one can give a safter anesthesia than before and in turn, has led to increased anesthetic dependence. A small dose of ketamine with nitrous oxide was tried for the induction of anesthesia for Cesarean section in the first group. In the second group, thiopental was given intravenously and anesthesia was maintained with 2% halothane in 100% oxygen for the delivery. After delivery, morphine, diazepam, and muscle relaxant were added to 0.5~1.0% halothane if necessary. These two groups were compared with conventional thiopental N2O-O2 anesthesia and the results were as follws: 1) Changes in blood pressure were similar aspect in each group, but in the hypertensive mother, the ketamine caused a higher blood pressure than the other agents. 2) Changes in pulse rate also had a similar pattern in each group. 3) I-D and U-D interval was the shortest in the halothane group. 4) The Apgar score at 1 min after delivery wasrelatively higher in the ketamine and halothane group than in the thiopental group, while the score at 5 min was almost the same in each group. 5) The analgesic effect of ketamine was superior to that of other agents. The above data suggest that halothane seems to be superior when the fetal position is abnormal or in case when complicated intrauterine manipulation is expected. A small dose of ketamine with nitrous oxide is better in the hypertensive mother or when fetal distress exists. |
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