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  • Title: Respiratory function in female workers occupationally exposed to organic dusts in food processing industries.
    Author: Zuskin E, Mustajbegović J, Schachter EN, Kern J, Ivanković D, Heimer S.
    Journal: Acta Med Croatica; 2000; 54(4-5):183-91. PubMed ID: 11379483.
    Abstract:
    Respiratory consequences of work in food processing industry were studied in 764 female workers exposed to organic dusts associated with the processing of green and roasted coffee, tea, spices, dried fruits, cocoa and flour. A group of 387 female workers not exposed to respiratory irritants served as controls for the prevalence of acute (during work shift) and chronic respiratory symptoms. A greater prevalence of all acute and chronic respiratory symptoms was consistently found among exposed workers than among control workers. The highest prevalence of chronic respiratory symptoms was recorded for chronic cough (40%), followed by acute symptoms of dry cough (58.7%). The difference in the prevalence of chronic respiratory symptoms between the exposed and control workers was in general significant (p < 0.01 or p < 0.05). Mean acute reductions of lung function over the work shift were recorded in all of the studied groups; the mean across-shift decrease as a percentage of preshift values was particularly marked in FEF25 (-26.7%), FEF50 (-21.6%), followed by FEV1 (-9.9%) and FVC (-3.7%). The preshift (baseline) values of ventilatory capacity were decreased in comparison to the predicted ones, and were lowest for FEF50 and FEF25. This finding indicated an effect of organic dust on small airways. Our analysis suggested that both dust exposure and smoking history contributed independently to these respiratory findings. Disodium cromoglycate (DSCG) significantly diminished across-shift reductions for FEF50 and FEF25 in a subgroup of the examined workers. Our data suggested the female workers employed in food processing industry to be at risk of developing both acute and chronic respiratory symptoms as well as ventilatory capacity impairment as the result of occupational exposures.
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