• Y Morimoto, M Nakamura, T Tamura, T Kunii, K Shimizu, and Y Miyauchi.
• Department of Anesthesiology and Critical Care, Tokuyama Central Hospital.
• Masui. 1996 Sep 1; 45 (9): 1096-9.

AbstractThe 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). Both groups received an intravenous dose of methyl-prednisolone 500 mg. An intravenous dose of metoclopramide 10 mg was provided in case of continued vomiting or at the patient's request as a rescue antiemetic. The incidence of vomiting was 13% in group O and 87% in group C (P < 0.05). Nausea scores (range 1-4) were significantly lower in group O as compared with group C at 4 h and 8 h after surgery. 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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