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Cross-Sectional Survey of Respiratory Disease Among Grain and Feed Workers in China.

Authors
Christiani-DC
Source
Occupational Health Service, Norfolk County Hospital, South Braintree, Massachusetts, :13 pages
Link
NIOSHTIC No.
00165788
Abstract
Workers from three production units in Shanghai were studied to determine the epidemiology of respiratory disease among the rice, grain, and feed processing workers of China. Special attention was directed to the occurrence of Farmers Lung and grain fever. Total dust samples were collected from the work environment. Also a modified British medical research council questionnaire was used to gather information from the workers. Additional sources of input were physical examination, pulmonary function studies, and serologic tests. An excess of chronic nonspecific respiratory diseases such as chronic bronchitis was noted among the workers exposed to dusts of grain and straw. Symptoms consistent with Farmer's Lung were also noted among these employees. Smokers more frequently reported difficulties than did nonsmokers including cough and shortness of breath on exertion and chronic bronchitis. However, smokers did not experience a higher incidence of Farmer's Lung than did nonsmokers. Exposure to dust from rice, grain and straw was found to cause inflammation in workers, including chronic bronchitis; episodes of grain fever and Farmer's Lung occurred in these workers. The author concludes that the dust probably causes an airway effect, and smoking may enhance this effect.
Keywords
Grain-dusts; Grain-elevators; Grain-elevator-workers; Respiratory-system-disorders; Pulmonary-function-tests; Smoking; Lung-disorders; Lung-function; NIOSH-Publication; NIOSH-Contract;
NTIS Accession No.
PB87-162921
NTIS Price
A03
Priority Area
Respiratory-system-disorders
Source Name
Occupational Health Service, Norfolk County Hospital, South Braintree, Massachusetts, 13 pages
State
MA;
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