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In a randomised, double-blind trial, we compared the use of ondansetron and droperidol for the prevention of nausea and vomiting after total abdominal hysterectomy, during patient-controlled analgesia with morphine. One hundred and forty-two patients were randomly allocated to one of two groups. All patients received a standardised general anaesthetic and postoperative analgesic regimen. One group received ondansetron 4 mg at induction of anaesthesia, and ondansetron 0.13 mg with each 1-mg bolus dose of morphine. The other group received droperidol 0.5 mg at induction and droperidol 0.05 mg per 1-mg bolus dose of morphine. Results were available for 137 patients. During the first 24 h after surgery, prophylaxis was successful in 26 of 66 patients given ondansetron (39%) compared with 36 of 71 patients given droperidol (51%). This difference was not statistically significant (Chi-squared = 1.766, p = 0.18). We conclude that in the regimens studied, ondansetron is not more effective than droperidol at preventing postoperative nausea and vomiting.

Type

Journal article

Journal

Anaesthesia

Publication Date

01/2001

Volume

56

Pages

60 - 65

Keywords

Adult, Analgesia, Patient-Controlled, Analgesics, Opioid, Antiemetics, Chi-Square Distribution, Double-Blind Method, Droperidol, Female, Humans, Hysterectomy, Morphine, Ondansetron, Postoperative Nausea and Vomiting, Statistics, Nonparametric, Treatment Outcome