Posterior Rotator Cuff-sparing Total Shoulder Arthroplasty: Three Cases.

The traditional total shoulder arthroplasty approach uses a subscapularis takedown through tenotomy, peel, or lesser tuberosity osteotomy. Recently, a subscapularis split, rotator interval, and sub-subscapularis approach have been developed to spare the rotator cuff and provide improved functional outcomes for patients. Rotator cuff-sparing total shoulder arthroplasty may improve postoperative pain, rehabilitation, and subscapularis function and strength. Here, the first three patients treated with a rotator cuff-sparing posterior approach that uses the interval between the teres minor and infraspinatus and an in situ osteotomy are described.