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Background and aims
The relationship between pleural malignant mesothelioma and exposure to asbestos is well-known, but there is no accurate information regarding high risk occupations and types of exposure in Iran. In this study we specified high risk jobs for asbestos exposure.
Methods
In this case-control study, 64 cases with diagnosis of pleural malignant mesothelioma who were admitted in Masih Daneshvari Hospital between the years 2001 and 2009 were studied. All the cases and 58 controls participated in a telephone interview for job history and occupational and environmental exposures to asbestos.
Results
Asbestos exposed occupations in mesothelioma group included corrugated asbestos cement sheet production 11(%17.2), Insulation 6(%9.4), construction 6(%9.4), asbestos warehouse 3(%4.7), oil and gas shaft drilling 2(%3.1) and car brake shoe manufacturing 2(%3.1). In controls, the only exposed occupation was construction 8(%13.79). Odds Ratio calculated for
occupational exposure to asbestos was 5.51(CI=2.26-13.47). Residency in neighbourhood of corrugated asbestos cement sheet production factory was the most prevalent cause for environmental exposure.
Conclusion
In %46.87 of mesothelioma cases, source of exposure to asbestos was corrugated asbestos cement sheet industry due to employment in the factory, residency in neighbourhood of the factory or use of its products.
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