Masui. The Japanese journal of anesthesiology
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Randomized Controlled Trial Clinical Trial
[Treatment of postoperative nausea and vomiting with ondansetron in patients administered anti-neoplastic agents].
The antiemetic effect of ondansetron (a 5-HT3 antagonist) was evaluated in patients treated with intraperitoneally administered anti-neoplastic agents (cisplatin and mitomycin-C) during surgery for ovarian cancer. Anesthesia was induced with intravenous thiopental 5 mg x kg-1 and maintained with nitrous oxide 66% in oxygen and isoflurane. After surgery, 6 patients received a single intravenous dose of ondansetron 4 mg (group O), 6 others did not receive ondansetron (group C). ⋯ Total dose of metoclopramide was 20 +/- 13 mg (mean +/- SD) in group C and 2 +/- 4 mg in group O. Administration of anti-neoplastic agents during surgery caused severe nausea and vomiting after surgery and ondansetron prevented the occurrence of nausea and vomiting almost completely. We conclude that ondansetron is an effective antiemetic for preventing postoperative nausea and vomiting in patients administered anti-neoplastic agents.
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A 73-year-old female was scheduled for left upper lobectomy. She had no history of asthma or chronic obstructive pulmonary disease. During the operation, respiratory sound was clear. ⋯ Inspiratory sevoflurane concentration was 4% at first, and was decreased to 2%. About 20 minutes after starting sevoflurane inhalation, wheezing was reduced. Sevoflurane may be useful in the treatment of bronchospasm after extubation.
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Case Reports
[What do adolescents desire for the postoperative pain relief?--a speculation from an interview with a patient].
Three different methods of postoperative pain management were evaluated by a 16 year old girl within 1 month after the last surgery who had undergone intrathoracic surgery three times during the six months. The postoperative pain management was different after each surgery. The first bullectomy was performed under thoracoscopy and she did not complain of severe pain with nerve blocks and NSAID suppository. ⋯ Bolus epidural morphine, however, was administered by physicians only, and she endured severe pain for more than two hours until the next dose at the midnight of the operation. That might be the reason why she was not satisfied with epidural morphine. It was concluded that we should try to offer not fluctuating analgesic level but readily available potent analgesics which could be hopefully administered by patients themselves in adolescent or adult population.
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We studied the level of analgesia obtained with epidural injection of 2% mepivacaine using combined spinal and epidural analgesia (CSE) and compared with the level obtained by epidural analgesia (EA). We inserted a catheter into the epidural space through the L2/3 interspace, and hyperbaric tetracaine was injected through the L3/4 interspace with 26G spinal needle in thirty patients for CSE. We checked the the level of analgesia 90 min after spinal anesthesia. ⋯ We also showed the regression line Y = 16.1-0.7X (P < 0.05) for EA 15 min after epidural injection of mepivacaine in other 23 patients. To achieve the same level of analgesia of Th8 or Th6 with CSE and EA, the doses for epidural injection were calculated as 5.5 ml, 10.5 ml with CSE and 11.5 ml, 14.4 ml with EA, respectively. These results show that the epidural dose of local anesthetic for CSE is 1/2 to 2/3 of that necessary for EA.
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Case Reports
[A case of severe hypertension caused by stellate ganglion block in a patient with facial palsy].
We report a case of severe hypertension following stellate ganglion block. A 61-year old woman received the left stellate ganglion block with 5 ml of 1% mepivacaine for her left facial palsy. ⋯ Systolic blood pressure remained above 190 mmHg for 60 minutes following the stellate ganglion block. We suggest that the extreme increase in blood pressure was due to the vagal nerve block associated with the left stellate ganglion block.