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Grain exposure--symptoms and lung function.

A E Cockcroft, M McDermott, J H Edwards

    European Journal of Respiratory Diseases
    |April 1, 1983
    PubMed
    Summary
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    Dock workers exposed to barley dust reported respiratory symptoms and fever. Lung function declined after barley dust exposure, suggesting non-immunological mechanisms may cause grain dust-related occupational illness.

    Area of Science:

    • Occupational Medicine
    • Pulmonary Medicine
    • Environmental Health

    Background:

    • Grain dust exposure is common in dock workers.
    • Respiratory symptoms and "grain fever" are frequently reported.
    • The underlying mechanisms of grain dust-induced respiratory issues remain unclear.

    Purpose of the Study:

    • To investigate the respiratory effects of barley dust exposure in dock workers.
    • To explore potential immunological responses to grain dust.
    • To assess the impact of grain dust on lung function over time.

    Main Methods:

    • Survey of 80 dock workers using questionnaires and spirometry.
    • Skin tests with common allergens and grain extracts.
    • Serological tests and lung function measurements before and after dust exposure.

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    Main Results:

    • 69 workers reported chest symptoms, 13 reported fever after barley exposure.
    • No gross lung function deficits were detected initially.
    • Ventilatory capacity declined in workers handling barley and in unexposed subjects after silo exposure, suggesting non-immunological involvement.

    Conclusions:

    • Specific immunological responses do not appear to be involved in grain dust-induced symptoms.
    • Barley dust exposure can lead to acute declines in lung function.
    • Further research is needed to identify the causative agents in grain dust responsible for occupational illness.