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October 8, 2003

Computer Use and Risk of Carpal Tunnel SyndromeComputer Use and Risk of Carpal Tunnel Syndrome

Author Affiliations

Letters Section Editor: Stephen J. Lurie, MD, PhD, Senior Editor.

JAMA. 2003;290(14):1853-1855. doi:10.1001/jama.290.14.1853-a

To the Editor: Dr Andersen and colleagues1 concluded that computer use is unrelated to CTS. Respondents in this study, however, only used their keyboard for an average of 8 to 9 hours per week, hardly intensive use by US standards, where workers may key intensively for 30 h/wk or more.2 Respondents did make more intensive use of a mouse, and the authors noted an association between intensive mouse use and possible CTS. Another recent Danish study also found that mouse use increases risk of musculoskeletal injury.3 Both studies found no association of psychosocial factors with injury risks.

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