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The effect of combining dexamethasone with ondansetron for nausea and vomiting associated with fentanyl-based intravenous patient-controlled analgesia.

Author(s): Song JW, Park EY, Lee JG, Park YS, Kang BC, Shim YH

Affiliation(s): Department of Anaesthesiology and Pain Medicine and Anaesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea.

Publication date & source: 2011-04, Anaesthesia., 66(4):263-7.

Publication type: Randomized Controlled Trial

We investigated whether combined dexamethasone and ondansetron is more effective than ondansetron alone in preventing postoperative nausea and vomiting in patients with fentanyl-based intravenous patient-controlled analgesia. One hundred and thirty patients undergoing video-assisted thoracoscopic surgery were assigned to either an ondansetron group or a dexamethasone and ondansetron group. In all patients, ondansetron 4 mg was administered at the end of surgery and 12 mg was added to the patient-controlled analgesia solution. The dexamethasone and ondansetron group received dexamethasone 8 mg at the induction of anaesthesia. The overall incidence of nausea and vomiting during the first 48 h postoperatively did not differ between groups (34/61 (56%) vs 28/62 (45%) in the ondansetron group and dexamethasone and ondansetron groups, respectively). The incidence of severe nausea and vomiting (>/= 7 nausea on an 11-point verbal numerical rating scale, retching or vomiting) was higher in the ondansetron group than in the dexamethasone and ondansetron group (15/61 (25%) vs 6/62 (10%, respectively, p=0.028). Combined dexamethasone and ondansetron is more effective in reducing severe nausea and vomiting than ondansetron alone in patients receiving fentanyl-based intravenous patient-controlled analgesia. (c) 2011 The Authors. Anaesthesia (c) 2011 The Association of Anaesthetists of Great Britain and Ireland.

Page last updated: 2011-12-09

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