Ondansetron versus placebo for prophylaxis of nausea and vomiting in patients undergoing ambulatory laparoscopic cholecystectomy.
BACKGROUND: Postoperative nausea and vomiting is a common problem in patients undergoing laparoscopic cholecystectomy (LC). The purpose of this study was to evaluate the efficacy of ondansetron given at the induction of anesthesia in patients scheduled for ambulatory LC. METHODS: A total of 84 patients undergoing ambulatory LC were enrolled in a randomized, prospective, double-blinded study in which the subjects received either placebo or 4 mg ondansetron intravenously at induction of anesthesia. A nausea scoring system was employed utilizing a 5-point linear scale, with 1 point given for no nausea and a maximum of 5 points for an episode of emesis. Each patient received a total of four scores postoperatively. RESULTS: The patients receiving placebo had significantly more episodes of nausea (53 versus 32; P <0.009) and emesis (11 versus 2; P <0.02), higher mean total nausea scores (7.2 versus 5.4; P <0.006), and need for additional postoperative antiemetics (23 versus 14; P <0.05) than those receiving ondansetron. CONCLUSIONS: In patients undergoing ambulatory laparoscopic cholecystectomy, ondansetron at induction was highly effective in decreasing postoperative nausea and vomiting and should become the standard.[1]References
- Ondansetron versus placebo for prophylaxis of nausea and vomiting in patients undergoing ambulatory laparoscopic cholecystectomy. Liberman, M.A., Howe, S., Lane, M. Am. J. Surg. (2000) [Pubmed]
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