Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713


Publication continuous and bimonthly

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Evaluation of pulmonary function and respiratory symptoms in pyrochlore mine workers

Avaliação da função pulmonar e sintomas respiratórios em trabalhadores da mineração de pirocloro

Ritta de Cássia Canedo Oliveira Borges, José Cerqueira Barros Júnior, Fabrício Borges Oliveira, Marisa Andrade Brunherotti, Paulo Roberto Veiga Quemelo

J Bras Pneumol.2016;42(4):279-285

Abstract PDF PT PDF EN Portuguese Text

Objective: To identify respiratory symptoms and evaluate lung function in mine workers. Methods: This was a cross-sectional observational study involving production sector workers of a pyrochlore mining company. The subjects completed the British Medical Research Council questionnaire, which is designed to evaluate respiratory symptoms, occupational exposure factors, and smoking status. In addition, they underwent pulmonary function tests with a portable spirometer. Results: The study involved 147 workers (all male). The mean age was 41.37 ± 8.71 years, and the mean duration of occupational exposure was 12.26 ± 7.09 years. We found that 33 (22.44%) of the workers had respiratory symptoms and that 26 (17.69%) showed abnormalities in the spirometry results. However, we found that the spirometry results did not correlate significantly with the presence of respiratory symptoms or with the duration of occupational exposure. Conclusions: The frequencies of respiratory symptoms and spirometric changes were low when compared with those reported in other studies involving occupational exposure to dust. No significant associations were observed between respiratory symptoms and spirometry results.


Keywords: Spirometry; Mining; Niobium; Occupational exposure.




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