Abstract
The purpose of this study was to investigate clinical outcomes after arthroscopic superior capsular reconstruction (ASCR) for irreparable rotator cuff tear. A consecutive series of 12 shoulders (5 males and 7 females, average age : 70 years) between 2009 and 2012 was evaluated on the basis of preoperative and postoperative factors (JOA score, range of motion (ROM), magnetic resonance imaging (MRI) etc.) at an average of 17.4 months after surgery. The JOA score increased from 52 points preoperatively to 79 points postoperatively. Postoperative ROM in flexion (143°) and abduction (107°) was significantly higher than preoperative ROM (flexion 115°, abduction78°). Among 11 shoulders for which postoperative MRI was possible 12 months after surgery, 8 cases were type 1-3 and 3 were type 5 according to Sugaya's classification. When treating an irreparable rotator cuff tear, it is often difficult to maintain the integrity of the repair because of fatty degeneration and muscle atrophy. ASCR is considered capable of improving superior glenohumeral stability and shoulder joint function in patients with irreparable rotator cuff tear.
