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[Hand-arm vibration syndrome in caisson miners]

T Kákosy1, L Németh, B Hazay

  • 1Országos Munka-és Uzemegészségügyi Intézet, Budapest.

Orvosi Hetilap
|July 6, 1997
PubMed
Summary

Caisson miners exposed to excessive vibration show high rates of hand-arm vibration syndrome (HAVS). Over 90% exhibited symptoms affecting vascular, neurological, and musculoskeletal systems, highlighting occupational health risks.

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Area of Science:

  • Occupational Health
  • Ergonomics
  • Vibration Toxicology

Context:

  • Caisson mining involves significant exposure to hand-transmitted vibration from tools like pneumatic hammers.
  • Workers in this industry are at high risk for developing Hand-Arm Vibration Syndrome (HAVS).
  • Previous research indicates a strong correlation between vibration exposure and upper extremity disorders.

Purpose:

  • To assess the prevalence of Hand-Arm Vibration Syndrome (HAVS) in caisson miners.
  • To identify the specific types and frequencies of physical impairments associated with occupational vibration exposure.
  • To correlate vibration measurements with observed health effects in caisson miners.

Summary:

  • A study of 43 caisson miners revealed that 90.7% presented with symptoms indicative of Hand-Arm Vibration Syndrome (HAVS).

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  • Vascular (54.8%), neurological (51.6%), and musculoskeletal (51.2%) systems were frequently affected, with Raynaud's phenomenon and tunnel syndromes being common.
  • Excessive vibration levels, exceeding ISO 5349 standards by 2.5-3.5 times, were measured on pneumatic hammers.
  • Degenerative changes in the cervical spine (79.1%) were also prevalent, potentially linked to high physical job demands.

    • Impact:

    • Findings underscore the critical need for stringent occupational health monitoring and vibration control measures in caisson mining.
    • Highlights the importance of including detailed locomotor system examinations in the regular screening of caisson miners.
    • Emphasizes the significant health burden of HAVS and related musculoskeletal disorders in vibration-exposed workforces.