British Journal of Anaesthesia, 2001, Vol. 86, No. 1 84-89
© 2001 The Board of Management and Trustees of the British Journal of Anaesthesia
Dexamethasone is a cost-effective alternative to ondansetron in preventing PONV after paediatric strabismus repair
Department of Anaesthesiology and Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi 110 029, India. 1Beth Israel Deaconess Medical Centre, Boston, MA02215, USA. 2All India Institute of Medical Sciences, New Delhi, India. 3Bedford General Hospital, Bedfordshire, UK*Corresponding author
This study evaluated the antiemetic efficacy, cost-effectiveness and clinical utility of prophylactic ondansetron and dexamethasone compared with placebo in the prevention of postoperative nausea and vomiting (PONV) in 135 children (215 yr, ASA III) undergoing strabismus repair. After induction with halothane and nitrous oxide in oxygen or i.v. thiopental, the children received i.v. dexamethasone 1 mg kg1 to a maximum of 25 mg, ondansetron 100 µg kg1 to a maximum of 4 mg or placebo (n=45). Episodes of PONV were recorded for the first 24 h after the operation. True outcome measures (parental satisfaction score, duration of stay in the postanaesthesia care unit and fast tracking time), therapeutic outcome measures (number needed to prevent (NNTP) PONV) and the cost to benefit a child with each drug were analysed. The incidence and severity of PONV in the first 24 h were significantly less in the dexamethasone and ondansetron groups than in the placebo group (P<0.05). The incidence (P=0.04) and severity (P=0.03) of PONV at the 624 h epoch were significantly less in the dexamethasone group than in the ondansetron group. Recovery time (P=0.07), fast tracking time (P=0.6), parental satisfaction scores (P=0.08) and NNTP PONV were comparable (NNTP=2) in both the ondansetron and the dexamethasone group. The cost to benefit a child with dexamethasone was approximately 22 times less than that of ondansetron.
Br J Anaesth 2001; 86: 849
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