• M M Zestos, A S Carr, G McAuliffe, H S Smith, N Sikich, and J Lerman.
• Department of Anaesthesia, Hospital for Sick Children, University of Toronto, Ontario, Canada.
• Can J Anaesth. 1997 Apr 1;44(4):401-4.

PurposeTo investigate the efficacy of a subhypnotic dose of propofol to treat vomiting in children after adenotonsillectomy.MethodsTwo hundred and fifty-two children, aged 2-12 yr, underwent a standardized anaesthetic opioid administration, and postoperative care after adenotonsillectomy, adenoidectomy or tonsillectomy. A prospective, double-blinded, placebo-controlled study was performed in 70 of the patients who retched or vomited after surgery and who had intravenous access. Patients were assigned randomly to receive either 0.2 mg.kg-1) propofol (n = 35), or placebo (intralipid 10%, n = 35).ResultsThe overall incidence of vomiting during the first 18-24 hr was 50%. Of those who had received propofol after the first episode of vomiting, 63% relapsed requiring a rescue antiemetic compared with 57% of those who had received intralipid (P = NS). Of the children who received propofol, 54% experienced pain on injection and 46% were mildly sedated compared with 3% and 11%, respectively, in the placebo group (P < 0.003).ConclusionWe conclude that an intravenous bolus of 0.2 mg.kg-1 propofolis not effective in the treatment of postoperative vomiting in children after adenotonsillectomy when a standardized anaesthetic with thiopentone, halothane, nitrous oxide, and 1.5 mg.kg-1 codeine phosphate is used, but it does cause sedation and pain on injection.

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