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Respiratory disease in cotton textile workers: epidemiologic assessment of small airway function.
Hayes-GB; Ye-T; Lu-L; Dai-L; Christiani-DC
Environ Res 1994 Jul; 66(1):31-43
Small airway function was examined in a population of 705 textile workers employed at two cotton mills and one silk mill in Shanghai. Each of the workers had at least 2 years experience in the job. Preshift and postshift pulmonary function testing were performed. Vertical elutriators were used to determine environmental air quality. In cotton mills the mean elutriated dust levels were 1.07+/-0.23mg/m3 in mill 1 and 1.0+/-0.24mg/m3 in mill 2. The mean endotoxin levels were 332+/-83 nanograms/cubic meter (ng/m3) in mill 1 and 101+/-46ng/m3 in mill 2. There were no differences detected in preshift forced expiratory volume in 1 second or in the forced expiratory flow between 25% and 75% of the vital capacity between the cotton workers and the silk workers. Cotton workers did demonstrate a significantly greater decline than silk workers in forced expiratory volume in 1 second across a work shift, but not in the forced expiratory flow between 25% and 75% of the vital capacity. Both byssinotic and nonbyssinotic workers displayed the acute changes in forced expiratory volume in 1 second. The authors conclude that spirometric measures of small airway function add little to the measure of the forced expiratory volume in 1 second and forced vital capacity in detecting airflow limitation in cotton dust exposed workers.
NIOSH-Publication; NIOSH-Grant; Pulmonary-system-disorders; Lung-function; Epidemiology; Pulmonary-function-tests; Air-quality-monitoring; Textiles-industry; Textile-workers; Bacterial-dusts; Cotton-dust
Environmental Sci & Physiology Harvard School of Public Hlth 665 Huntington Ave Boston, MA 02115
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Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division