Clinical assessment of havs: Controversies in diagnosis and measurement
Keywords:Industrial hygiene, Occupational diseases, Clinical assessments, Clinical experience, Diagnostic tests, Electrode placement, Hand-arm vibration, Hand-arm vibration syndrome, Health effects, Musculo-skeletal outcomes, Occupational health, Test batteries, Toronto
AbstractThe health effects due to hand-arm vibration and their measurement are discussed. The information presented is based on our clinical experience in assessing hand-arm vibration syndrome (HAVS) patients at the Occupational Health Clinic, St. Michael's Hospital, Toronto, a clinic with the largest volume of HAVS patients in Canada. There is good evidence that digital sensory neuropathy occurs due to hand-arm vibration exposure. There is epidemiologic evidence suggesting that various musculoskeletal outcomes may be associated with hand-arm vibration exposure. There is no single diagnostic test and a test battery is preferred with the overall results being interpreted by a physician experienced in HAVS diagnosis. Segmental or fractionated nerve conduction with electrode placement in the distal parts of the fingers is possible.
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