• P J Mathew, R Madan, R Subramaniam, A Bhatia, C G Mala, A Soodan, and H L Kaul.
• Department of Anaesthesiology and Critical Care, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.
• Anaesth Intensive Care. 2004 Jun 1;32(3):372-6.

AbstractWe studied the efficacy of a range of doses of dexamethasone for prevention of postoperative nausea and vomiting following strabismus repair in children in a hospital-based, prospective, double-blinded, randomized, placebo-controlled trial. Two hundred and ten children were randomized to receive either dexamethasone in one of four dosages: 50 microg/kg (Group 1), 100 microg/kg (Group 2), 200 microg/kg (Group 3) and 250 microg/kg (Group 4) or normal saline (Group 5) prior to corrective surgery for strabismus. Anaesthesia was standardized and included nitrous oxide, pethidine, intubation and the use of muscle relaxant and reversal with neostigmine. Postoperative nausea and vomiting were evaluated in epochs of 0-2 hours, 2-6 hours and 6-24 hours after surgery. Parent satisfaction was assessed 24 hours after surgery and the operated eye was examined for wound infection and delayed healing one week later Dexamethasone was effective in preventing nausea and vomiting after strabismus repair: 57.1% children in Group 1, 42.9% in Group 2, 52.4% in Group 3, and 59.5% in Group 4 were free from postoperative nausea and vomiting compared with 7.1% in placebo group. The lowest dose of 50 microg/kg was as efficacious as the higher dosages of dexamethasone during the 24 hours studied. Of the children who developed postoperative nausea and vomiting those who received dexamethasone had significantly fewer episodes than those in the placebo group. We conclude that dexamethasone 50 microg/kg is effective for the prevention of postoperative nausea and vomiting following strabismus repair in children.

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