Méndez-Vargas MM, Báez-Revueltas FB, López-Rojas P, Tovalín-Ahumada JH, Zamudio-Lara JO, Marín-Cotoñieto IA, Villeda F. Silicosis and industrial bronchitis by exposure to silica powders and cement.
Rev Med Inst Mex Seguro Soc 2013;
51:384-389. [PMID:
24021066]
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Abstract
OBJECTIVE
to identify the association between the exposure of workers to inorganic dust in a quarry and a cement factory and pulmonary diseases.
METHODS
a transverse study on data from 32 quarry workers (QWs) and 57 cement production line workers (CFWs) to inorganic-dust exposure was performed. Pulmonary function tests and chest X ray were done in both groups.
RESULTS
there were differences between QWs and the CFWs; QWs were younger, shorter and thinner. The number of sick individuals might be considered significantly different, showing a smaller proportion on the cement production line. The quarry workers have been on the company for a shorter period of time and, in the end, they present more serious pulmonary problems with an average of 3 years working.
CONCLUSIONS
the amount of free-silica that is managed on the quarry affects the workers in some way, even when literature states that the evolution of industrial bronchitis and silicosis have a period development of approximately 10 years.
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