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- W2186523326 abstract "ABSTRACT OBJECTIVE: To evaluate late respiratory effects from occupational inhalation of talc contaminated with asbestos. METHODS: This was a case series study on 29 former talc mining workers with asbestos contamination, in the municipality of Carandai, Southeastern Brazil, who were attended at the State Workers’ Health Reference Center in 2004 and 2005. Their clinical and occupational histories were obtained and they underwent spirometry and chest radiography. An exposure score was created; multiplying this by duration produced a cumulative talc exposure index. To con fi rm the association between the cumulative exposure index and the presence of radiological abnormalities suggestive of pneumoconiosis and/or pleural abnormalities, an exact logistic regression model was fi tted to this. RESULTS: All the former workers were males, with an average age of 48.2 years. Chest radiographs showed pleural abnormalities in three of them; parenchymatous opacity compatible with pneumoconiosis in one; and suspected pneumoconiosis in six. Spirometric abnormalities were found in three workers. Logistic regression showed an odds ratio of 1.059 (95% CI: 1.012; 1.125) for the cumulative exposure index, i.e. each unit increase in the index resulted in an increase of 5.9% in the chance of presenting radiological abnormalities compatible with or suspicious of pneumoconiosis. With regard to the median estimated latency period between the start of exposure and the diagnosing of pleural plaque, there was a signifi cant difference (p = 0.013) between the cases (27.0 years) and non-cases (14.3 years)." @default.
- W2186523326 created "2016-06-24" @default.
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- W2186523326 date "2009-01-01" @default.
- W2186523326 modified "2023-09-24" @default.
- W2186523326 title "Efeitos respiratórios da exposição ao talco industrial em ex-trabalhadores de mineração Respiratory effects from industrial talc exposure among former mining" @default.
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