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Cotton dust exposure, across-shift drop in FEV1, and five-year change in lung function.

Authors
Christiani-DC; Ye-T; Wegman-DH; Eisen-EA; Dai-L; Lu-L
Source
Am J Respir Crit Care Med 1994 Nov; 150(5):1250-1255
NIOSHTIC No.
00224082
Abstract
A follow up study was conducted to examine respiratory symptoms, across shift change in forced expiratory volume in 1 second (FEV1), and pulmonary function in a large, stable group of cotton textile workers prospectively over 5 years. The study included 384 cotton workers and 403 silk workers, both active and retiring workers, in Shanghai, China from 1981 to 1986. A standardized respiratory symptom questionnaire regarding smoking history, byssinosis symptoms, and complete work history was administered. Pulmonary function was tested. Area samples were taken using vertical elutriators in the various work areas. Cotton dust and gram negative bacterial endotoxins were measured. The presence of byssinosis among cotton workers was 9.7% at the initial survey among those lost to follow up. The presence of byssinosis among tested cotton workers at the time of first survey was 7.3%. Referent subjects exhibited no byssinosis. Compared to a similar group of silk workers, the study indicated that cotton textiles workers suffered an accelerated loss of lung function over 5 years. The annual unadjusted change in FEV1 for all cotton workers was calculated to be 39.5 milliliters/year versus 30.6 milliliters/year for silk workers. The authors conclude that cotton exposure may have a substantial impact on the lung function of these workers, placing them at considerable lifetime risk of developing chronic obstructive pulmonary disease.
Keywords
NIOSH-Publication; NIOSH-Grant; Pulmonary-system-disorders; Lung-function; Pulmonary-function-tests; Lung-irritants; Cotton-industry; Textiles-industry; Cotton-dust; Plant-dusts; Airborne-dusts
Contact
Environmental Sci & Physiology Harvard School of Public Hlth 665 Huntington Ave Boston, MA 02115
CODEN
AJCMED
Publication Date
19941101
Document Type
Journal Article
Funding Amount
1348724
Funding Type
Grant
Fiscal Year
1995
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-002421
Issue of Publication
5
ISSN
1073-449X
Source Name
American Journal of Respiratory and Critical Care Medicine
State
MA
Performing Organization
Harvard University
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