Abstract:
BACKGROUND:In the city of Petrópolis, Brazil, artisans carve souvenirs from a variety of silica-containing minerals. The finding of pulmonary massive fibrosis in one of the workers motivated an investigation of the prevalence of silicosis in this group. METHODS:Between January 2000 and June 2002, a cross-sectional study was performed. We obtained clinical and occupational histories, spirometry, lung volumes, and carbon monoxide diffusion capacity measurements. Chest radiographs and high-resolution computed tomographies (HRCT) were evaluated. Personal air samples were analyzed. RESULTS:Forty-two stone carvers were examined. The prevalence of silicosis was 53.7%. HRCT better characterized silicotic lesions compared to chest radiographs. Early coalescence of small opacities was associated with lung function impairment. The concentration of dust exceeded permissible limits in 91% of the workplaces. CONCLUSIONS:Exposure to high levels of silica dust was associated with an increased prevalence of silicosis among stone carvers. Am. J. Ind. Med. 45:194-201, 2004.
journal_name
Am J Ind Medjournal_title
American journal of industrial medicineauthors
Antão VC,Pinheiro GA,Kavakama J,Terra-Filho Mdoi
10.1002/ajim.10331subject
Has Abstractpub_date
2004-02-01 00:00:00pages
194-201issue
2eissn
0271-3586issn
1097-0274journal_volume
45pub_type
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