• Alessandra Vari, Sergio Gazzanelli, Giuseppe Cavallaro, Giorgio De Toma, Sergio Tarquini, Carolina Guerra, Elisa Stramaccioni, and Paolo Pietropaoli.
• Department of Anesthesiology, Intensive Care and Pain Therapy, "Sapienza" University School of Medicine, Rome, Italy.
• Am Surg. 2010 Mar 1;76(3):325-8.

AbstractThe incidence of postoperative nausea and vomiting (PONV) after thyroidectomy and the association of Propofol versus Sevoflurane use for anesthesia maintenance were investigated during a randomized, prospective study. One hundred and ninety-eight patients underwent thyroidectomy receiving either Sevoflurane (0.5-1.3% end-tidal) or Propofol (50-200 mg/kg/min) for anesthesia maintenance. All patients received Propofol for induction of anesthesia, Succinylcholine or Vecuronium, Nitrous Oxide, and Fentanyl. Prophylactic antiemetics were not administered. The combined incidence of PONV was 54.4 per cent over the 24-hour postoperative evaluation period. PONV was more common in patients receiving Sevoflurane than Propofol for maintenance of anesthesia (64.6% vs 43.8%). In women (n = 117), the incidence of PONV resulted higher when receiving inhalational Sevoflurane than Propofol for maintenance (70.6% vs 42.4%). However, in men (n = 81), there was no significant difference in PONV between anesthetic regimens (47.4% with Sevoflurane vs 49.6% with Propofol). Patients undergoing thyroid surgery are at high risk for the development of PONV. Propofol for maintenance of anesthesia, although more expensive than Sevoflurane, may reduce the rate of PONV.

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