• John W Sperling, Robert H Cofield, Cathy D Schleck, and W Scott Harmsen.
• Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA. sperling.john@mayo.edu
• J Shoulder Elbow Surg. 2007 Nov 1; 16 (6): 683-90.

AbstractBetween January 1, 1976 and December 31, 1991, 195 total shoulder arthroplasties and 108 hemiarthroplasties were performed in 247 patients in patients with rheumatoid arthritis. One hundred and eighty-seven total shoulder arthroplasties and 95 hemiarthroplasties with complete preoperative evaluation, operative records, and minimum 2-year follow-up (mean, 11.6 years) or follow-up until revision were included in the clinical analysis. Twenty patients had died and 1 was lost to follow-up. All 303 shoulders were included in the survival analysis. There was significant long term pain relief (P < .0001), improvement in active abduction (P < .0001), and external rotation (P < .0001) with both hemiarthroplasty and total shoulder arthroplasty (TSA). There was not a significant difference in improvement in pain and motion comparing hemiarthroplasty and TSA for patients with a thin or torn rotator cuff. However, among patients with an intact rotator cuff, improvement in pain and abduction were significantly greater with TSA. Additionally, among patients with an intact rotator cuff, the risk for revision was significantly lower for TSA (P = .04). Radiographs were available for 152 total shoulder arthroplasties and 63 hemiarthroplasties with a minimum 2-year follow-up. Glenoid erosion was present in 62 of 63 hemiarthroplasties (98%). Glenoid periprosthetic lucency was present in 110 of 152 total shoulder arthroplasties (72%). The data from this study indicate that there is marked long-term pain relief and improvement in motion with shoulder arthroplasty. Among patients with an intact rotator cuff, TSA appears to be the preferred procedure for pain relief, improvement in abduction, and lower risk of revision surgery.

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