Abstract Objective To assess the short-term effectiveness of arthroscopic capsular release in a cohort of patients with a precise diagnosis of idiopathic frozen shoulder at frozen stage.Methods Twenty patients (12 male,8 female) with frozen shoulder who were treated with joint capsule release under arthroscopy from Apr.2016 to Jan.2018 were prospectively enrolled in this study.All patients were clinically diagnosed as idiopathic frozen shoulder of frozen stage The patients’ ages ranged from 46 to 74 years(59.5±7.41 years),and the duration from the onset of shoulder pain to the examination was 7 to 13 months (9.58±1.68 months).Outcome measures which including the Visual Analogue Scale (VAS),range of motion (ROM),and Constant-Murley Score (CMS) were evaluated pre-operative and at 1,2 and 6 months after operation.Results All patients were followed after operation,statistically significant improvement were found in VAS from (5.10±0.72) to (1.35±0.75) 6 months after operation,and CMS improved from (33.95±4.59) to(85.75±6.15) 6 months after operation.Conclusion Arthroscopy release for the frozen shoulders at frozen stage is a safe and effective procedure with rapid improvement in pain,function and range of motion.
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