• Julie E Adams, John W Sperling, Cathy D Schleck, W Scott Harmsen, and Robert H Cofield.
• Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN 55905, USA.
• Clin. Orthop. Relat. Res. 2007 Feb 1; 455: 176-82.

AbstractMost studies on shoulder arthroplasty include a diverse group of patients presenting to a tertiary care center. Little information is available regarding outcomes in a community setting. We reviewed 98 residents (110 shoulders) of Olmsted County, Minnesota who had shoulder arthroplasties from 1976 to 2000. There were 65 total shoulder arthroplasties and 45 humeral head replacements. The most common indications were osteoarthritis for total shoulder arthroplasties (48/65) and acute fracture for hemiarthroplasties (27/45). The Neer ratings were excellent or satisfactory in 92% of total shoulder arthroplasties and 56% of hemiarthroplasties. The 10-year survival rate was 96%. The mean postoperative active forward elevation was greater in patients who had a total shoulder arthroplasty (132 degrees) compared with a hemiarthroplasty (113 degrees), as was external rotation (total shoulder arthroplasties = 58 degrees, humeral head replacements = 38 degrees). The outcomes for total shoulder arthroplasty and hemiarthroplasty compared favorably with outcomes reported in the literature. There was a high rate of satisfactory or excellent results after total shoulder arthroplasty for osteoarthritis. Hemiarthroplasty offered less satisfactory results, most likely related to the use of this procedure for trauma. This information will assist the community surgeon in counseling patients and weighing the risks and benefits of a shoulder arthroplasty.

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