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Respiratory impairment in working coal miners.
The types of physiological respiratory impairment seen in coal miners are described in an attempt to decide which of the impairments are related to coal mining and which to naturally occurring disease. Topics include ventilatory capacity, lung volumes, diffusing capacity, distribution of inspired gas, arterial blood, mechanics of respiration, and nonspecific obstructive airway diseases. It is indicated that in certain regions, there is a reduction of the ventilatory capacity of nonpneumoconiotic working miners over and above that produced by naturally occurring obstructive disease. The overall conclusion is that both the prevalence of pneumoconiosis and the prevalence of respiratory impairment differ in various geographical regions, probably due to physical or chemical composition of coal dust to which the men are exposed.
Coal-mining; Coal-dusts; Respiratory-system-disorders; Respirable-dusts; Dust-control; Lung-disorders; Physiological-functions; Respiratory-function-tests
Appalachian Laboratory for Respirable Occupational Disease, NIOSH, Morgantown, West Virginia, 22 pages, 10 references
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division