| Workplace and individual risk factors for carpal tunnel syndrome. | |
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MedLine Citation:
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PMID: 21613639 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To quantify the relationship between workplace physical factors, particularly hand activity level (HAL) and forceful exertion and carpal tunnel syndrome (CTS), while taking into account individual factors. To compare quantitative exposure assessment measures with more practical ratings-based measures. METHODS: In a group of healthcare and manufacturing workers, each study participant's job tasks were evaluated for HAL, forceful exertion and other physical stressors and videotaped for further analysis, including frequency and duration of exertion and postural deviation. Electrodiagnostic testing of median and ulnar nerves and questionnaires were administered to all participants. A CTS case required median mononeuropathy and symptoms on hand diagrams in fingers 1-3. Multiple logistic regression models were used to analyse associations between job and individual factors and CTS. RESULTS: Of 477 workers studied, 57 (11.9%) were dominant hand CTS cases. Peak force ≥70% maximum voluntary contraction versus <20% maximum voluntary contraction resulted in an OR of 2.74 (1.32-5.68) for CTS. Among those with a body mass index ≥30, the OR for ≥15 exertions per minute was 3.35 (1.14-9.87). Peak worker ratings of perceived exertion increased the odds for CTS by 1.14 (1.01-1.29) for each unit increase on the 10-point scale. The odds for CTS increased by 1.38 (1.05-1.81) for each unit increase on the HAL 10-point scale among men, but not women. Combined force and HAL values above the ACGIH TLV for HAL resulted in an OR of 2.96 (1.51-5.80) for CTS. DISCUSSION/CONCLUSIONS: Quantitative and ratings-based job exposure measures were each associated with CTS. Obesity increased the association between frequency of exertion and CTS. |
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Authors:
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Susan Burt; Ken Crombie; Yan Jin; Steve Wurzelbacher; Jessica Ramsey; James Deddens |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. Date: 2011-05-25 |
Journal Detail:
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Title: Occupational and environmental medicine Volume: 68 ISSN: 1470-7926 ISO Abbreviation: Occup Environ Med Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-11-10 Completed Date: 2012-01-13 Revised Date: 2012-04-12 |
Medline Journal Info:
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Nlm Unique ID: 9422759 Medline TA: Occup Environ Med Country: England |
Other Details:
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Languages: eng Pagination: 928-33 Citation Subset: IM |
Affiliation:
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Industrywide Studies Branch, Division of Surveillance Hazard Evaluations and Field Studies, National Institute for Occupational Safety and Health, 4676 Columbia Pkwy, Mail Stop R-15, Cincinnati, OH 45226, USA. sburt@cdc.gov |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Body Mass Index Carpal Tunnel Syndrome / epidemiology* Cross-Sectional Studies Electrodiagnosis Female Health Personnel Humans Industry Male Median Nerve / physiopathology Middle Aged Occupational Diseases / epidemiology* Risk Factors Ulnar Nerve / physiopathology Workplace / statistics & numerical data |
| Comments/Corrections | |
Comment In:
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Occup Environ Med. 2012 Apr;69(4):300
[PMID:
22051518
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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