Half of the contralateral matched shoulders underwent fixation with suture anchors and simple sutures to simulate commonly used arthroscopic methods (technique 2) and, in the rest, fixation was achieved by using transosseous tunnels and modified Mason-Allen sutures (technique 3). Fixation was achieved by using suture anchors with horizontal mattress sutures and bone tunnels with modified Mason-Allen sutures. Twelve fresh-frozen matched pairs of cadaveric shoulders were repaired by using dual-site fixation with both suture anchors and transosseous tunnels on one side (technique 1). A single-layer repair does not adequately reproduce the anatomic insertion and may not optimize fixation strength.Ī double-layer rotator cuff repair will have greater initial fixation strength than a single-layer repair. The most common complication of rotator cuff repair is structural failure at the repair site.
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