Stopped: There was difficulty getting the study up and running with the site, staffing issues, completing a DTA and concern over sufficient patient population. The study was stopped without any enrollment. No results were obtained.
The primary goal of the investigators prospective randomized study is to determine whether reverse total shoulder arthroplasty (RTSA) have at least as good results as anatomic TSA (non-inferiority), in patients with glenohumeral osteoarthritis, without rotator cuff tears nor significant glenoid retroversion. The secondary goals are 1) to evaluate whether RTSA eventually grants superior postoperative clinical and radiographic outcomes than anatomic TSA (superiority), 2) to determine whether RTSA is associated with fewer postoperative complications than anatomic TSA. The devices being used in the research are an Arthrex Universe system (Arthrex Univers Reverse vs Arthrex Apex humeral stem or Eclipse stem with a polyethylene glenoid). They are FDA approved, commonly used, and used as indicated. The anatomic replacement replaces the humeral head with a metal ball and the glenoid socket with a polyethylene glenoid component. The reverse shoulder replacement reverses these implants with the polyethylene socket on the humeral side and the glenosphere going on the glenoid side. In all cases, a deltopectoral incision will be used as the procedure type.
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American Shoulder and Elbow Surgeons score
Timeframe: date of surgery
American Shoulder and Elbow Surgeons score
Timeframe: 6 months after date of surgery
American Shoulder and Elbow Surgeons score
Timeframe: 12 months after date of surgery
American Shoulder and Elbow Surgeons score
Timeframe: 24 months after date of surgery