Augmentation of Arthroscopic Rotator Cuff Repair With Reimplantation of Subacromial Bursa Tissue and Platelet-Rich Plasma

Inclusion Criteria Adult patients aged ≥18 years. Patients undergoing arthroscopic rotator cuff repair. Patients with a full-thickness, isolated, primary tear of the supraspinatus tendon. Patients considered eligible for arthroscopic rotator cuff repair using suture anchors. Ability and willingness to provide written informed consent. Willingness and ability to comply with the study protocol and scheduled follow-up visits. Exclusion Criteria Partial-thickness rotator cuff tears. Massive or irreparable rotator cuff tears. Revision rotator cuff repair. Concomitant tears of the subscapularis tendon, infraspinatus tendon, long head of the biceps tendon requiring surgical treatment, or glenoid labrum. Previous surgery on the affected shoulder. Glenohumeral osteoarthritis or advanced cuff tear arthropathy. Active infection or systemic inflammatory disease affecting the shoulder. Use of other biological augmentation techniques during surgery, such as collagen patch, stem cells, bone marrow aspirate concentrate, or other scaffold-based augmentation. Inability to provide informed consent. Inability or unwillingness to comply with the postoperative rehabilitation protocol or follow-up schedule.