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Journal of the Korean Shoulder and Elbow Society 2000;3(2):102-108.
Published online December 30, 2000.
Analgesia After Subacromial Arthroscopy: Prospective Double-blind Study of Continuous Mixed Intra-bursal Infusion with Morphine and Bupivacaine and placebo
Jin-Young Park, M.D., Kwan-Woo Lee*, M.D., Yun Kim, M.D., Moon-Jib Yoo, M.D.
Department of Orthopaedic Surgery, Department of Anesthesiology, Dankook University College of Medicine, Chonan, Korea
견봉하 관절경 수술 후 진통 작용: 르핀과 국소마취제 혼합제와 위약의 액낭 내 지속 주입에 대한 전향적 이중 맹검 연구
박진영, 이관우, 김륜, 유문집
단국대학교 의과대학 정형외과학교실, 마취과학교실*
The aim of this study is to determine if intra-bursal morphine and Bupivacaine mixed infusion provided useful analgesia after subacromial arthroscopic operation. At the end of the subacromial arthroscopy, continuous intra-bursal infusion catheter was inserted. In a double-blind randomized trial, Sixty patients were allocated to one of two groups: placebo group(n=30) received continuous saline infusion. Study group received mixed 5㎖ of 0.5% Bupivacaine, 2㎎ of morphine and 0.05ml of 1/1000 epinephrine as bolus and mixed solution of 40㎖ of 0.5% Bupivacaine and 8㎎ of morphine as maintenance dose with continuous infusion pump(0.5㎖ hourly). In the placebo group, two patients were discontinued due to leakage and catheter coming out each. Intensity of pain was evaluated preoperatively and postoperatively for 3 days by 10 graded visual analogue scale. Night pain, pain on motion, sleep disturbance, lying on painful shoulder and amounts of intramuscular pain killer were recorded. Analgesic effect for pain was cleared at 1st and 2nd postoperative day and there was less sleep disturbance for 3 days postoperatively in study group. There was no difference in pain on motion postoperatively. In study group, less pain killers were used in the first 48 hours postoperatively. The continuous intra-bursal infusion decreased perception of pain at resting stage and reduced supplemental analgesic requirement for 2 days postoperatively.
Key Words: Shoulder, Subacromial space, Arthroscopy, Morphine, Bupivacaine, Analgesic effect
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