• Br J Anaesth · Oct 1991

    Randomized Controlled Trial Comparative Study Clinical Trial

    Gastric emptying and small bowel transit in male volunteers after i.m. ketorolac and morphine.

    • M K Yee, W D Evans, P E Facey, M W Hayward, and M Rosen.
    • Department of Anaesthetics, University Hospital of Wales, Cardiff.
    • Br J Anaesth. 1991 Oct 1;67(4):426-31.

    AbstractTen male volunteers were studied in a randomized, double-blind crossover trial. Each received ketorolac tromethamine 30 mg and morphine sulphate 10 mg i.m. at an interval of 2 weeks. After a standard radiolabelled meal, gastric emptying half-time (GE) and small intestinal transit time (SIT) were measured using a gamma camera. Small intestinal transit time was measured also from end-tidal breath hydrogen (ETH), and overall gastrointestinal motility by time to first flatus (TFF). Mean GE, SIT and TFF were significantly prolonged by morphine compared with ketorolac (P less than 0.03); ETH was prolonged also, but the difference was not significant. There were no significant correlations between SIT, ETH and TFF. Most subjects reported adverse effects after morphine, but only one after ketorolac.

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