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We investigated the analgesic effect of intra-operative intravenous diclofenac in a randomized, double blind placebo-controlled paralled group study after adenoidectomy in 150 children aged 1-7 years. A standard anaesthetic method was used and all children received oral diazepam as premedication. Anaesthesia was induced with thiopentone and maintained with halothane and nitrous oxide in oxygen with controlled ventilation.

Children in the diclofenac group received lmg/kg iv after induction of anaesthesia followed by an infusion of diclofenac lmg/kg over 2 hours. Children in the placebo group received 0.9% saline. At the end of procedure the children were transferred to the recovery room for continuous monitoring of vital signs and assessment of pain.