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Occupational Medicine Advance Access published online on August 13, 2007
Occupational Medicine, doi:10.1093/occmed/kqm029
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© The Author 2007. Published by Oxford University Press on behalf of the Society of Occupational Medicine. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Case Report

Work-related bilateral osteoarthritis of the first carpometacarpal joints

Jens Christian Jensen and David Sherson

Department of Occupational and Environmental Medicine, Vejle County Hospital, Kabbeltoft 25, Vejle 7100, Denmark

Background A 44-year-old industrial worker produced panels for folding doors for 9 years. During this period, he developed osteoarthritis (OA) of both first carpometacarpal joints. Surgery was performed without improvement.

Methods Clinical examination, demonstration and recording of work conditions, with photos and videos. The literature concerning first carpometacarpal OA was reviewed using PubMed.

Results The observation of work conditions demonstrated unusual forceful and repetitive ulnar flexion of both first fingers. No competing causes of OA could be identified.

Conclusion This patient had specific and intense work-related strain of both first carpometacarpal joints. A good temporal relation between work exposure and disease development was demonstrated and it appears likely that the OA was caused by work. However, there is very limited epidemiological evidence relating first carpometacarpal OA to work exposure.

Keywords      First carpometacarpal joint; osteoarthritis; repetitive forceful work

Correspondence to: Jens Christian Jensen, Department of Occupational and Environmental Medicine, Vejle County Hospital, Kabbeltoft 25, Vejle 7100, Denmark. Tel: +45 7940 5360; fax: +45 7940 6858; e-mail: jens.christian.jensen{at}mail.dk


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