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Respiratory changes in two groups of flax workers with different exposure pattern.

Authors
Zuskin-E; Valic-F
Source
Thorax 1973 Sep; 28(5):579-583
NIOSHTIC No.
00041590
Abstract
Respiratory changes were examined clinically in two groups of flax workers with different exposure patterns. A high mean total concentration of flax particles (16.9 mg/cubic meter), of which about 20 percent were of respirable size, caused a high prevalence of byssinosis (69.9 percent) in 55 nonsmoking female workers exposed to biologically retted flax over an average period of 11 years. A significant mean forced expiratory volume in one second (FEV) decrease over the first work shift after the weekend break was found in both byssinotics and nonbyssinotics but was more pronounced in the former. The mean acute FEV reductions over a work shift were smaller on the third than on the first day in the week. Significant decreases in FEV and in maximum expiratory flow rate at 50 percent of vital capacity over the Monday work shift were recorded in 17 seasonal male workers who had been exposed to flax for only two to three months each year for no more than three years. A high prevalence of chronic cough, chronic sputum production, and chronic bronchitis was found in the female flax workers, especially among the byssinotics.
Keywords
NIOSH-Publication; NIOSH-Grant; Respiration; Pulmonary-system-disorders; Lungs; Dusts; Hazards; Symptoms; Textiles; Particulates; Epidemiology; Contaminants
CODEN
THORA7
Publication Date
19730901
Document Type
Journal Article
Funding Type
Grant
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-PL-480-02-006-3
Issue of Publication
5
ISSN
0040-6376
Priority Area
Pulmonary-system-disorders
Source Name
Thorax
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