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JYMS : Journal of Yeungnam Medical Science

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Bon Up Koo 5 Articles
Effect on the management of postherpetic neuralgia.
Bon Up Koo, Dae Pal Park
Yeungnam Univ J Med. 1991;8(1):136-141.   Published online June 30, 1991
DOI: https://doi.org/10.12701/yujm.1991.8.1.136
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AbstractAbstract PDF
Fifteen patients was analyzed on effect of the management of postherpetic neuralgia by local anesthesia on the special region at pain clinic in Youngnam University Hospital. The results were on follows: 1) The frequency of occurrence of sex and the lesion side were similar in all patients. 2) The age of incidence was between 50 and 70 years old. 3) The most frequent site of lestons was the neck. 4) There was no relationship between age and treatment time. 5) Whole patients was done average 7-10 time local injection.
Prophylactic intravenous ephedrine infusion during spinal anesthesia for cesarean section.
Bon Up Koo
Yeungnam Univ J Med. 1991;8(1):72-78.   Published online June 30, 1991
DOI: https://doi.org/10.12701/yujm.1991.8.1.72
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AbstractAbstract PDF
Ephedrine sulfate was administrated 30 healthy parturients undergoing elective repeat cesarean section under spinal anesthesia. Fifteen patients received ephedrine infusion (0.01% solution, beginning with approximately 5 mg/min) immediately after induction of spinal anesthesia to maintain maternal systolic blood pressure between 90% and 100% of the baseline systolic blood pressure (mean dose of ephedrine 31.6 mg). Fifteen patients (control group) received 20mg of ephedrine as an intravenous bolus, and additional 10mg increments, if necessary, when systolic blood pressure decreased to 80% of the baseline systolic blood pressure (mean dose of ephedrine 26.8 mg). Nausea and/or vomiting occurred in seven women in the control group and on patient in the infusion group (p<0.001). Apgar scores, fetal blood gas tension, and time for onset of respiration was comparable in the two groups. The results suggest that prophylactic ephedrine infusion is safe and desirable in healthy parturients undergoing cesarean section under spinal anesthesia.
Spinal Anesthesia for Lower Extremities : Comparison of Plain 0.5% Bupivacaine and Hyperbaric 0.5% Tetracaine.
Sun Ok Song, Bon Up Koo
Yeungnam Univ J Med. 1990;7(2):121-130.   Published online December 31, 1990
DOI: https://doi.org/10.12701/yujm.1990.7.2.121
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AbstractAbstract PDF
Plain 0.5% bupivacaine and hyperbaric 0.5% tetracaine were compared for spinal anesthesia in 40 patients undergoing operation of lower extremities. Lumbar puncture was performed with a 22 gauge spinal needle with the patient in the lateral recumbent position. The third lumbar interspace was chosen for the puncture, when a free flow of clear CSF was obtained, the local anesthetic solution (2.5 ml of 0.5% bupivacaine or 2.0 ml of hyperbaric 0.5% tetracaine) was injected at a rate of 0.1ml/sec without barbotage. After injection of anesthetics, clinical features were observed and compared between the two groups. The results were as follows: 1. The two groups were well matched for age, sex, height and weight. 2. In both groups, sensory block to T₁₂ dermatome was obtained within 4 minutes, mean maximal level of analgesia was T₆₋₇, and the mean time for maximal level was around 20 minutes. 3. The onset times of motor block were similar in both groups and complete motor block was obtained in all cases within 20 minutes. 4. The duration of analgesia above the T₁₂ dermatome was 3 hours, postoperative analgesia was 7 hours. These value were significantly prolonged than those of the tetracaine group (p<0.05). 5. The changes in systolic pressure in the bupivacaine group were significantly less than those of the tetracaine group (p<0.05). 6. The complications after spinal anesthesia were headache, numbness, urinary retention and backpain, and were no significant difference in both groups. From the obtained results, we concluded that plain 0.5% bupivacaine was a relatively satisfactory agent for spinal anesthesia for operation of lower extremities. The time of onset, height of block and the complications of postoperative period were similar in both groups. The advantages of plain 0.5% bupivacaine were less hypotension and long duration of analgesia.
A Case of Hepatitis Developing after Open Heart Surgery used Halothane Anesthesia.
Bon Up Koo
Yeungnam Univ J Med. 1988;5(2):183-187.   Published online December 31, 1988
DOI: https://doi.org/10.12701/yujm.1988.5.2.183
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AbstractAbstract PDF
Although halothane is one of the most widely used inhalation anesthetics, it may cause postanesthetic complications such as halothane hepatitis. Halothane hepatitis has been reported intermittently with variable incidence. However it is not easy to prove halothane as a causative agent, because there are many factors causing postoperative hepatic dysfunction. The author had a case of acute hepatitis developing after open heart surgery used halothane. 37-year-old female underwent an open heart surgery for ASD repair under halothane anesthesia. On the 14th postoperative day, she developed high fever of 38℃. Liver function tests showed marked elevation of SGOT, SGPT, and bilirubin, followed by gross jaundice. HBs Ag(−) and HBs Ab(+) were reported. She died of acute respiratory, hepatic, and renal failure on the 19th postoperative day. Possible causes of the hepatitis were considered halothane, blood transfusion, and drugs.
Analgesic Effects of Lumbar Epidural Narcotics for Relief of Upper Abdominal Post-operative Pain.
Il Sook Seo, Bon Up Koo
Yeungnam Univ J Med. 1985;2(1):39-44.   Published online December 31, 1985
DOI: https://doi.org/10.12701/yujm.1985.2.1.39
  • 1,389 View
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AbstractAbstract PDF
To assess the effect of postoperative pain control of upper abdominal surgery through lumbar epidural narcotic injection, the 3rd or 4th lumbar epidural puncture was done, and were injected 1 mg of morphine (Group I) or 10 mg of demerol (Group II) mixed with 10 ml of normal saline into the epidural space, after operation of the cholecystectomy in 10 patients and antrectomy and vagotomy, subtotal or total gastrectomy in 10 patients. Time interval of the postoperative analgesic effect between morphine and demerol groups were compared. The results of this study were as follows: 1. In the group I, average analgesic duration was 29.4 hours. 2. In the group II, average analgesic duration was 4.0 hours. It is concluded that postoperative pain control of upper abdominal surgery through the lumbar epidural narcotic injection was effective, and morphine injection was more effective than demerol.

JYMS : Journal of Yeungnam Medical Science