Introduction: While the exact mechanism of primary adhesive capsulitis is unknown, we know that it has strong associations with diabetes mellitus (DM). Although self-limiting, a significant percentage of patients still have persistent pain and stiffness beyond 3 years. Arthroscopic capsular release (ACR) has been described as a successful intervention for recalcitrant adhesive capsulitis that provides early and long-term recovery. The aim of this study is to investigate the relationship between DM and ACR. Methods: We reviewed prospectively collected data of 56 consecutive patients with idiopathic frozen shoulder who underwent ACR (360°arthroscopic capsulotomy) under a single surgeon. Range of motion, pain score and shoulder function (Constant Shoulder Score, Oxford Shoulder Score, University of California Los Angeles Shoulder Score) were documented preoperatively and one year postoperatively. Patients were dichotomized into diabetic (n = 32) and non-diabetic patients (n = 24) and compared using a mixed ANOVA design to investigate for differences in outcomes. Results: Both group of patients had significant improvement in range of motion, reduced pain scores and improved shoulder scores one year postoperatively (p = 0.000). Diabetic patients had poorer internal rotation (p = 0.000), forward flexion (p = 0.035) and poorer postoperative Constant Shoulder score (p < 0.05). Otherwise both groups improved equally in all other aspects. Conclusion: ACR offered good outcomes in both diabetic and non-diabetic patients in terms of range of motion, pain relief and shoulder function. However diabetic patients had poorer improvement in internal rotation and forward flexion postoperatively. Preoperative counselling and postoperative rehabilitation can be better tailored to treat diabetic patients with idiopathic adhesive capsulitis.

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Introduction: Rotator cuff (RC) tears are common and a frequent cause of dysfunction in the shoulder, especially with progression of age. Biceps pathology occurs concomitantly and its relationship with RC tears has been well described. However, the study of biceps intervention affecting outcomes of RC repair is limited. We aim to study the effect of biceps tenotomy in RC repair after matching for cuff tear size. Methods: We collected data of 24 consecutive patients undergoing RC repair and biceps tenotomy and matched them with patients undergoing RC repair only (n ¼ 24). The groups were matched for age, RC tear size, and presence of subscapularis tears. All patients of this study underwent RC repair under a single surgeon. Patient demographics and outcome measures in the form of range of motion (ROM) pain scores and validated shoulder scores (Constant shoulder score, Oxford score, and University of California Los Angeles shoulder score) were collected preoperative and at predetermined fixed intervals up to 2 years postoperatively. We then compared the two groups using a mixed analysis of variance design so as to identify any possible differences. Results: Patients from both groups demonstrated significant improvement in ROM, lower pain scores, and improvement in functional outcomes (p < 0.05). Patients with biceps intervention demonstrated equivalent outcomes postoperatively up to 2 years with no statistical differences (p > 0.05). Conclusion: Arthoscopic RC repair is an effective intervention for improving ROM, reducing pain, and improving function. Concomitant biceps procedure did not negatively impede recovery or affect outcomes.

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