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Related Experiment Videos

Development of a vibratory white finger prevention program for shipyard workers: an exploratory study

K L Johnson1, J C Hans, M A Robinson

  • 1Electric Boat Corporation, General Dynamics Company, Groton, CT 06340-4989, USA.

American Journal of Preventive Medicine
|November 1, 1996
PubMed
Summary

A screening program using questionnaires and tests can effectively identify shipyard workers with Vibratory White Finger (VWF) disease. This approach aids in early detection and counseling for affected individuals, preventing further disability.

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Area of Science:

  • Occupational Health
  • Vibration-induced diseases
  • Medical screening

Background:

  • Vibratory White Finger (VWF) disease is a common, disabling condition among shipyard workers exposed to vibrating tools.
  • VWF manifests with vascular symptoms (e.g., spasms, blanching) and sensorineural deficits (e.g., numbness, reduced dexterity).
  • Early identification is crucial for managing VWF and preventing long-term health consequences.

Purpose of the Study:

  • To develop and evaluate a screening program for early detection of Vibratory White Finger (VWF) in shipyard workers.
  • To identify workers with VWF for counseling on job modifications and reduced vibration exposure.
  • To establish a practical method for identifying high-risk individuals needing further medical evaluation.

Main Methods:

Related Experiment Videos

  • A study involving 39 vibrating tool users and 10 non-users was conducted in 1993.
  • Subjects completed a VWF symptom questionnaire and underwent tests for vibration thresholds, cutaneous sensitivity, and hand strength.
  • Data were analyzed using discriminant analysis to create statistical models for disease staging.

    • Main Results:

    • Statistical models for vascular and sensorineural VWF stages were developed using discriminant analysis.
    • High agreement was observed between the statistical model staging and physician diagnoses.
    • The combined questionnaire and test data proved adequate for initial VWF screening.

    Conclusions:

    • A complete physician evaluation for all at-risk shipyard workers is impractical.
    • A structured questionnaire combined with targeted VWF tests and a statistical model can effectively screen workers.
    • This screening approach identifies priority candidates for physician follow-up and facilitates worksite modifications to prevent disability.