Postoperative emesis following otoplasty in children

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Abstract
Sixty unpremedicated children aged between 3 and 14 years, scheduled for otoplasty, were randomly divided into one of three groups to receive either ondansetron 0.1 mg.kg-1, droperidol 75 micrograms.kg-1, or placebo at induction of anaesthesia. All patients received a standard general anaesthetic using thiopentone, atracurium and halothane. Opioid analgesia was avoided intra-operatively and infiltration with local anaesthetic was used prior to the start of surgery. Children who received ondansetron were less likely to vomit (15%) than those who received either droperidol (40%) or placebo (60%) (p < 0.01). This group also tolerated oral ingestion of fluids and solids earlier than those who received either droperidol or placebo (p < 0.001). There was no difference between the placebo or droperidol group in the incidence of vomiting or time to ingestion of oral fluids and meals. Three patients in the ondansetron group had a self-terminating nodal rhythm which was not associated with any haemodynamic disturbances. Postoperatively there were no untoward incidents in any of the groups and all patients were discharged home the day after surgery.