拘縮を伴う肩関節疾患に対する術後持続斜角筋間ブロックの有効性

概要

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Background: The purpose of this study was to investigate the effect of continuous interscalene block after arthroscopic surgery for shoulders with contracture(flexion angle under 120 degree). Methods: We evaluated 18 shoulders of 18 patients (8 men, 10 women). The mean age was 66.6 years old (53 ∼ 85). The subjects were divided into two groups, group B had controlled postoperative pain with continuous interscalene block and group N was without that. We compared the postoperative pain using visual analogue scale (at 1, 3, 7, and 14days after surgery) and JOA pain score (at 2, and 3 months after surgery), the flexion angle of shoulders (at 2, 3, and 6 months after surgery), and the amount of analgesics used. Results: The VAS at 1 day and 3 days were significantly lower in group B than in group N. JOA pain score at 2 and 3 months tended to be higher in group B. The amount of Diclofenac sodium used after surgery was significantly smaller, in group B. Flexion angle of shoulders at 2, 3, and 6 months after surgery tended to be larger in group B. Conclusion: It was considered that continuous interscalene block was effective to control postoperative pain and to improve the range of motion.