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  • Title: A comparative study of ketorolac and diclofenac on post-laparoscopic cholecystectomy pain.
    Author: Fredman B, Olsfanger D, Jedeikin R.
    Journal: Eur J Anaesthesiol; 1995 Sep; 12(5):501-4. PubMed ID: 8542859.
    Abstract:
    In a randomized, double-blind, placebo-controlled study designed to assess the post-operative analgesic efficacy and cost-effectiveness of ketorolac and diclofenac 60 ASA I and II patients undergoing laparoscopic cholecystectomy were studied. Prior to concluding the operative procedure, an injection (i.m.) of an equal volume of either saline 3 mL, ketorolac 60 mg, or diclofenac 75 mg was administered. All patients received intravenous morphine via a patient-controlled analgesia device (PCA). Post-operative pain intensity was assessed hourly for 4 h, by recording visual analogue score (VAS) for pain, PCA demands and actual morphine administered. PCA demands (mean +/- SD) were greater in the saline treatment group (115 +/- 90) when compared with both the ketorolac (42 +/- 44) and diclofenac groups (74 +/- 77). Furthermore, the saline treatment group received significantly (P < 0.05) more PCA morphine compared with both the ketorolac and diclofenac groups (12.2 mg +/- 5.0 vs. 8.6 mg +/- 5.2 vs. 8.9 mg +/- 4.8). Improved pain scores were demonstrated in both the ketorolac and diclofenac groups compared with the saline group. PCA demands and post-operative morphine requirements were similar in the ketorolac and diclofenac groups. Diclofenac has the added advantage, in our institution, of being 60% less expensive than ketorolac. We conclude that both ketorolac and diclofenac are effective post-operative analgesic drugs. However, economic considerations may favour diclofenac administration.
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