Glenohumeral osteoarthritis in the presence of an intact rotator cuff is a debilitating condition that often leads to surgical intervention in the form of joint arthroplasty. Historically, anatomic total shoulder replacement (ATSR) had been considered the treatment of choice. Over the past decade, however, there has been a shift in treatment patterns to the use of reverse shoulder replacement to treat this condition due to concerns of subsequent rotator cuff failure and glenoid component loosening with ATSR. With continued innovation of implants and surgical techniques, it is unclear which procedure provides the best outcomes for patients. The Reverse or Anatomical replacement for Painful Shoulder Osteoarthritis, Differences between Interventions trial aims to definitively answer this question and evaluate the cost effectiveness of both procedures.
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