• E Reihnér, R Grunditz, K Giesecke, and L L Gustafsson.
• Department of Surgery, Anaesthesiology and Intensive Care and Division of Clinical Pharmacology, Karolinska Institute at Huddinge University Hospital, Sweden.
• Eur J Anaesthesiol. 2000 Mar 1;17(3):197-203.

AbstractPostoperative nausea and vomiting (PONV) is a common adverse phenomenon following breast surgery. The efficacy of ondansetron and droperidol in preventing post-operative nausea and vomiting in women undergoing breast surgery was compared in this randomized, double-blind, placebo-controlled study. Altogether 207 women were randomly assigned to receive either a single intravenous dose of droperidol (1.25 mg) (n = 69), ondansetron (8 mg) (n = 67) or saline (n = 71) immediately after induction of general anaesthesia with thiopental, fentanyl, atracurium, nitrous oxide in oxygen and isoflurane. Complaints of nausea, vomiting and requests for rescue antiemetics were recorded during a 24-h period postoperatively. During the initial 2 h in the postanaesthesia care unit, the incidence of postoperative nausea and vomiting was 15%, 6% and 12% in the placebo, droperidol and ondansetron groups, respectively (NS). The incidence of post-operative nausea and vomiting during the first 24 h was 61%, 48% and 45% in the placebo, droperidol and ondansetron treatment groups, respectively (NS). Postoperative analgesic requirements and the length of stay in the post-anaesthesia care unit were equal in all three treatment groups. It is concluded that the intravenous pretreatment with single doses of ondansetron or droperidol did not substantially prevent postoperative nausea and vomiting after breast surgery.

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