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Anesth Analg. 1998 Mar;86(3):613-6.

Prevention of postoperative nausea and vomiting with a combination of granisetron and droperidol.

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  • 1Department of Anesthesiology, University of Tsukuba Institute of Clinical Medicine, Tsukuba City, Ibaraki, Japan.


In this randomized, double-blind study, we compared the efficacy and safety of granisetron plus droperidol with each antiemetic alone for preventing postoperative nausea and vomiting (PONV) in 150 female patients scheduled for elective major gynecological surgery. Patients were randomly assigned to receive i.v. either granisetron 2.5 mg (Group G), droperidol 1.25 mg (Group D), or granisetron 2.5 mg plus droperidol 1.25 mg (Group GD) immediately before the induction of anesthesia (n = 50 in each group). A standard anesthetic technique and postoperative analgesia were used. Complete response, defined as no PONV and no administration of rescue antiemetic medication during the first 24 h after anesthesia, was 84% in Group G, 54% in Group D, and 96% in Group GD (P = 0.046 versus Group G, P = 0.001 versus Group D). No clinically important adverse effects were observed in any group. In conclusion, the combination of granisetron and droperidol is more effective than each antiemetic alone for complete response in patients undergoing general anesthesia for major gynecological surgery.


We compared the efficacy of granisetron plus droperidol with each antiemetic alone for the prevention of nausea and vomiting after gynecological surgery. The granisetron/droperidol combination was the most effective against these emetic symptoms.

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