• D Shende and K Das.
• Department of Anaesthesia, Dr. Rajendra Prasad Centre for Ophthalmic Sciences A.I.I.M.S., New Delhi, India.
• Acta Anaesthesiol Scand. 1999 Mar 1;43(3):265-9.

BackgroundCorrective strabismus surgery is associated with moderate pain and a very high incidence of postoperative nausea and vomiting (PONV). Ketorolac tromethamine, a nonsteroidal anti-inflammatory drug, is a popular analgesic in adults. There are only limited published data on the use of intravenous ketorolac for paediatric analgesia perioperatively. This study evaluated and compared the emetic and analgesic effect of ketorolac with pethidine and its suitability for this kind of surgery.MethodsFollowing institutional ethics committee approval and parental consent, 52 ASA class I children of age 2.5 to 15 yr were randomised to receive either ketorolac 0.9 mg kg-1 or pethidine 0.5 mg kg-1 given intravenously (i.v.). A blinded observer assessed recovery by Steward's method immediately after arrival at the post anaesthesia care unit (PACU), pain by validated Objective Pain Score (OPS) at 0 h, 1/2 h and 1 h after arrival at the PACU and PONV by Numeric Rank Score at specified time intervals.ResultsThere were no differences in demographic data, anaesthesia time or surgery duration. Recovery scores, OPS and postoperative analgesic requirement were similar in both groups. PONV at various time intervals for the first 24 h, occurred more frequently in the pethidine group as compared to the ketorolac group (P < 0.001) There were no side effects observed with either drug.ConclusionKetorolac in a dose of 0.9 mg kg-1 i.v. at the induction of anaesthesia is as effective as pethidine 0.5 mg kg-1 i.v. as an analgesic and is associated with significantly less PONV.

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