• S M Barst, A Markowitz, Y Yossefy, A Abramson, P Lebowitz, and R S Bienkowski.
• Department of Anesthesiology, Schneider Children's Hospital, Long Island Jewish Medical Center, Albert Einstein College of Medicine, New Hyde Park, New York 11040, USA.
• Paediatr Anaesth. 1995 Jan 1; 5 (4): 249-52.

AbstractWe compared the effect of a propofol-based anaesthetic to an isoflurane-based anaesthetic on the incidence of postoperative vomiting in children following tonsillectomy. Thirty-nine children were enrolled in the study and randomized to receive one of the proposed anaesthetics. All patients underwent a mask induction with halothane, nitrous oxide, and oxygen. Intravenous access was established and all children received fentanyl (2-4 micrograms.kg-1) i.v., mivacurium (0.3 mg.kg-1) i.v. and acetaminophen (10-15 mg.kg-1) p.r. Following tracheal intubation, patients received either isoflurane (0.8-1.6%) or propofol (120-180 micrograms.kg-1 min-1) i.v. with nitrous oxide 70%/oxygen 30% for maintenance of anaesthesia. Vital signs were maintained within 20% of baseline. All patients were extubated in the operating room. PACU nursing staff recorded episodes of vomiting for 4-6 h prior to discharge. A telephone interview the following day was also used for data recovery. Age, sex, and duration of the procedure were not significantly different between the two study groups. Of 19 patients who received propofol, four vomited (21%); in contrast, of the 20 patients who received isoflurane, 11 vomited (55%). This difference is significant (P = 0.048 two-tailed Fisher's Exact Test). These data suggest that using propofol for anaesthesia can diminish the incidence of vomiting following tonsillectomy.

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