• Y Niiyama, K Omote, S Sumita, T Kawamata, K Okamura, and A Namiki.
• Department of Anesthesiology, Sapporo Medical University School of Medicine, Sapporo 060-8543.
• Masui. 2001 Mar 1;50(3):251-5.

AbstractWe evaluated the effects of continuous intra-articular and intra-bursal infusion of lidocaine on postoperative pain following shoulder arthroscopic surgery. Forty-one ASA I-II patients scheduled for shoulder arthroscopic surgery, were allocated into following four groups. The patients, after intra-articular arthroscopic surgery, either received intra-articular lidocaine (Group I, n = 10) or did not (Group III, n = 10). The patients after extra-articular arthroscopic surgery either received intra-bursal lidocaine (Group II, n = 11) or did not (Group IV, n = 10). Group I and Group II received 8 ml of 1% lidocaine intra-articularly and intra-bursally, respectively, at the end of surgery, followed by continuous infusion of 1% lidocaine at the rate of 2 ml.hr-1 for 24 hours. The intensities of postoperative pain were evaluated by Visual Analogue Scale (VAS), 2, 5, 8, 12, 18 and 24 hours after surgery, and by the number of patients' request for supplemental analgesic for 24 hours. The VAS scores and the number of analgesic requests were significantly lower (P < 0.05) in Group I than Group III, and in Group II than Group IV throughout the postoperative observation period. No adverse effects were observed during this study. We conclude that continuous intra-articular and intra-bursal infusion of lidocaine provides effective postoperative pain relief for shoulder arthroscopic surgery.

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