Adib G.,Institute National Of Sante Publique Du Quebec Inspq |
Labreche F.,Institute Of Recherche Robert Sauve En Sante Et En Securite Du Travail Du Quebec Irsst |
Labreche F.,University of Montreal |
De Guire L.,Institute National Of Sante Publique Du Quebec Inspq |
And 4 more authors.
American Journal of Industrial Medicine | Year: 2013
Background: The possible role of short asbestos fibers in the development of asbestos-related diseases and availability of lung fiber burden data prompted this study on the relationships between fiber characteristics and asbestos-related diseases among compensated workers. Methods: Data collected between 1988 and 2007 for compensation purposes were used; lung asbestos fibers content of 123 Quebec workers are described according to socio-demographic characteristics, job histories and diseases (asbestosis, mesothelioma, lung cancer). Results: Most workers (85%) presented chrysotile fibers in their lungs, and respectively 76%, 64%, and 43% had tremolite, amosite, and crocidolite. Half of the total fibers were short, 30% were thin fibers and 20% corresponded to the World Health Organization definition of fibers (length≥5μm, diameter≥0.2 and <3μm). Chrysotile fibers were still observed in the lungs of workers 30 years or more after last exposure. Conclusion: Our findings stress the relevance of considering several dimensional criteria to characterize health risks associated with asbestos inhalation. Am. J. Ind. Med. 56:1001-1014, 2013. © 2013 Wiley Periodicals, Inc.