COMPARATIVE STUDY
JOURNAL ARTICLE
RANDOMIZED CONTROLLED TRIAL

Effects of diclofenac and intra-articular morphine/bupivacaine on postarthroscopic pain control

Y Gürkan, L Kiliçkan, L Buluc, S Müezzinoglu, K Toker
Minerva Anestesiologica 1999, 65 (10): 741-5
10598433

BACKGROUND: This study was undertaken to compare analgesic effects and requirements for supplemental analgesic therapy after knee arthroscopy in patients given intraarticular morphine/bupivacaine, diclofenac i.m., or both compared with placebo.

METHOD: In a randomised, double-blind controlled trial 40 patients were divided into four groups. Patients received 25 ml of 0.25% bupivacaine and 2 mg of morphine intraarticularly in group I, 75 mg of diclofenac i.m. in group III, the combination of 75 mg of diclofenac i.m. and 25 ml of 0.25% bupivacaine and 2 mg of morphine intraarticularly in group II, and placebo in group IV. Postoperative analgesia was provided with fentanyl in the recovery room and acetaminophen was given for subsequent pain relief.

RESULTS: In the postoperative period, VAS scores for pain were highest in the placebo group, whereas they were lowest in the combination group. VAS scores were significantly lower in group I and II than group IV at the postoperative 2nd hour (p < 0.05). VAS score was significantly lower in group II than groups III and IV at the postoperative 3rd hour (p < 0.01). VAS scores were significantly lower in group I, II and III than group IV at the postoperative 6th hour (p < 0.05). Fentanyl consumption was significantly lower in group II than group IV (p < 0.05). Acetaminophen consumption in groups II and III were significantly lower than group IV (p < 0.05).

CONCLUSION: The combination of diclofenac i.m. and intraarticular morphine/bupivacaine appears to be the most beneficial analgesic combination due to its lower VAS scores and supplemental analgesic requirements in the postoperative period.

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