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Related Experiment Videos

Functional tests in thirty-nine asbestos spray workers

A Harf, C Bertrand, A Hirsch

    IARC Scientific Publications
    |January 1, 1980
    PubMed
    Summary

    Asbestos exposure in spray workers can cause early lung impairments. Lung function tests reveal restrictive ventilatory impairment and reduced gas exchange, even with low asbestos exposure.

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    Area of Science:

    • Occupational Medicine
    • Pulmonary Medicine
    • Toxicology

    Background:

    • Asbestos exposure is a known risk factor for lung disease.
    • Early detection of lung function impairment in asbestos-exposed workers is crucial for timely intervention.
    • Spray workers may have significant occupational exposure to asbestos.

    Purpose of the Study:

    • To identify early signs of lung function impairment in spray workers with varying asbestos exposure.
    • To correlate lung function parameters with duration of exposure and biological markers of asbestos exposure (ferruginous bodies).

    Main Methods:

    • Lung function was assessed using spirometry, plethysmography, arterial blood gas analysis (rest and exercise), and carbon monoxide diffusion capacity.
    • Asbestos exposure was quantified via questionnaire and microscopic examination of sputum/lung washing for ferruginous bodies.

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    Main Results:

    • Restrictive ventilatory impairment and reduced carbon monoxide diffusion were observed in workers with 1-50 ferruginous bodies and those exposed for over five years.
    • Lung volume decreased by approximately 10% with 0-5 to 10-15 years of exposure and 15% between those with no ferruginous bodies and those with over 50.
    • No obstructive lung function patterns were detected, even in heavy smokers.

    Conclusions:

    • Asbestos exposure leads to early restrictive lung disease and impaired gas exchange in spray workers.
    • Plethysmography is a valuable tool for monitoring lung function in asbestos-exposed individuals.
    • Lung function tests can detect impairments related to both exposure duration and biological markers of asbestos exposure.