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Byssinosis and small airways disease.

Authors
Bradford-JM; Duffell-GM; Ingram-R
Source
Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, R01-OH-00674, 1978 Jan; :1-35
Link
NIOSHTIC No.
00082635
Abstract
In a study of byssinosis and small airways disease, pulmonary function measurements including helium (7440597) and oxygen (7782447) flow volume curves were made on 470 cotton mill employees exposed to various dust levels. The employees in these cotton mills had been screened previously for pulmonary abnormalities, and some employees had moved to work areas with lower dust levels. Results showed that there was no significant increase in bronchitis or byssinosis in the dust areas nor were there any significant decreases in the percentages of normal forced vital capacity (PFVC) or forced expiratory volume in 1 second (PFEV1) in the dusty areas. These results differ from those reported from mills in which no previous pulmonary testing had been conducted. A strong smoking/tenure/dust exposure interaction on PFVC and PFEV1 was found, with the long tenured, high dust exposure, smokers having the lowest PFVC and PFEV1. There was no significant increase in small airways abnormalities with increased dust and smoking, but the mean change in the density dependence ratio is too small to have clinical significance.
Keywords
Textiles-industry; Cotton-dust; Pulmonary-system-disorders; Cigarette-smoking; NIOSH-Grant
Contact
Medicine Emory University Hospital 1364 Clifton Road, N E Atlanta, GA 30322
CAS No.
7440-59-7; 7782-44-7
Publication Date
19780101
Document Type
Final Grant Report
Funding Amount
75015
Funding Type
Grant
Fiscal Year
1978
NTIS Accession No.
PB90-130139
NTIS Price
A04
Identifying No.
Grant-Number-R01-OH-00674
NIOSH Division
OEP
Priority Area
Pulmonary-system-disorders
Source Name
National Institute for Occupational Safety and Health
State
GA
Performing Organization
Emory University, Atlanta, Georgia
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