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KMID : 0376119760030020027
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Medical Journal of the Red Cross Hospital
1976 Volume.3 No. 2 p.27 ~ p.35
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Clinical Observation of Epidural Anesthesia
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李東基/Lee, Dong Ki
朴永曉/金暎烈/朴昌吉/Park, Young Hyo/Kim, Hong Youl/Park, Chang Kil
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Abstract
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Epidural anesthesia with Xylocaine was administered to 50 surgical patients, who underwent abdominal surgery.
Epidural space was identified by loss of resistance technique and 1.5~2.0% Xylocaine plain or with epinephine. (1 : 200, 000) solution was injected into epidural space. The dosage was 11-25m1.
The following was the results.
1. Onset of sensory anesthesia was 2~3 minutes after injection of local anesthetic solution into the epidural space.
2. Maximum sensory anesthesia was established 11~18 minutes after injection, mean time was 14.2-2 1 minutes.
Maximum dermatome level of sensory analgesia was T4-T8.
3. Abdominal muscle relaxation evaluated by anesthesiologist and surgeon revealed satisfactory in 12 cases, adequate in 30 cases and inadequate in 8 cases.
42 of 50 cases revealed adequate muscle relaxation for surgery and 2 of 8 inadequate cases were very poor relaxation required supplemental anesthesia.
4. Duration of sensory anesthesia which was measured from maximum sensory anesthesia to regression of sensory anesthesia of two dermatomes, was 70~120 minutes (mean 83.0±12.7 minutes) in Xylocaine plain and 90^´150 minutes (mean 117.0±16.5 minutes) in Xylocaine with epinephrine.
5. Hypotension occurred in 18 of 50 cases, but degree of hypotension revealed mild and corrected rapidly by left displacement of uterus in cesarean. section, rapid infusion of fluid or vasopressor drugs.
6. Respiratory depression was not significant and pulse rate was no remarkable change.
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