{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T22:10:04Z","timestamp":1774131004489,"version":"3.50.1"},"reference-count":42,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2012,8,27]],"date-time":"2012-08-27T00:00:00Z","timestamp":1346025600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthritis Care &amp; Research"],"published-print":{"date-parts":[[2012,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Rheumatoid arthritis (RA) often results in deformities at the metacarpophalangeal (MCP) joints. Patients with severe deformities can be treated by silicone metacarpophalangeal joint arthroplasty (SMPA). The objective of the study is to prospectively compare long\u2010term outcomes for an SMPA surgical and a nonsurgical cohort of RA patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 67 surgical and 95 nonsurgical patients with severe subluxation and\/or ulnar drift of the fingers at the MCP joints were recruited from 2004\u20132008 in this multicenter prospective cohort study. Patients could elect to undergo SMPA or not. Outcomes included the Michigan Hand Outcomes Questionnaire (MHQ), Arthritis Impact Measurement Scales 2 (AIMS2), grip\/pinch strength, Jebsen\u2010Taylor Test, ulnar deviation, extensor lag, and arc of motion measurements at the MCP joints.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There was no significant difference in the mean age, race, education, and income at baseline between the 2 groups. Surgical subjects had worse MHQ function and functional measurements at baseline. At 3 years, the mean overall MHQ score and the MHQ function, activities of daily living, aesthetics, and satisfaction scores showed significant improvement in the surgical group compared to the nonsurgical group. Ulnar deviation, extensor lag, and arc of motion in the MCP and proximal interphalangeal joints also improved significantly in the surgical group. No improvement was seen in the mean AIMS2 scores and grip\/pinch strength. Complications were minimal with a fracture rate of 9.5%.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>RA patients with poor baseline functioning showed long\u2010term improvement in hand function and appearance following treatment with SMPA compared to nonsurgical controls.<\/jats:p><\/jats:sec>","DOI":"10.1002\/acr.21705","type":"journal-article","created":{"date-parts":[[2012,4,17]],"date-time":"2012-04-17T12:40:35Z","timestamp":1334666435000},"page":"1292-1300","source":"Crossref","is-referenced-by-count":50,"title":["Long\u2010term followup for rheumatoid arthritis patients in a multicenter outcomes study of silicone metacarpophalangeal joint arthroplasty"],"prefix":"10.1002","volume":"64","author":[{"given":"Kevin C.","family":"Chung","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patricia B.","family":"Burns","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H. 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