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The pattern of lung function abnormalities in cotton textile workers.

E N Schachter, L R Maunder, G J Beck

    The American Review of Respiratory Disease
    |April 1, 1984
    PubMed
    Summary
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    Cotton textile workers show higher rates of lung function abnormalities, particularly obstructive patterns, compared to the general population. This highlights the occupational risks associated with cotton dust exposure.

    Area of Science:

    • Occupational Medicine
    • Pulmonary Medicine
    • Environmental Health

    Background:

    • Early byssinosis is characterized by reversible airway obstruction.
    • Chronic phase respiratory abnormalities in cotton textile workers are not well-defined.

    Purpose of the Study:

    • To examine lung function in a cohort of cotton textile workers compared to a control group.
    • To define patterns of respiratory abnormalities in the chronic phase of occupational lung disease.

    Main Methods:

    • Longitudinal study of 383 cotton textile workers (age ≥45) and 277 community controls.
    • Lung function tests conducted in 1973 and follow-up data collected in 1979.
    • Comparison of obstructive and restrictive lung patterns between workers and controls, including non-smokers.

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    Main Results:

    • Cotton textile workers exhibited significantly higher prevalence of moderate to severe obstructive airway abnormalities (25% males, 14% females) versus controls (13% males, 5% females).
    • Overall lung function abnormalities were more common in cotton textile workers (50% males, 37% females) than controls (29% males, 20% females).
    • Increased prevalence of both obstructive and restrictive patterns was observed in workers, with obstructive patterns being most common.

    Conclusions:

    • Cotton textile workers have an increased prevalence of lung function abnormalities, both obstructive and restrictive.
    • Obstructive lung disease is the most common pattern observed in cotton textile workers.
    • Occupational exposure to cotton dust contributes to chronic respiratory impairment.