Life Sciences & Biomedicine Public, Environmental & Occupational Health Science & Technology
Background Vermiculite ore from Libby, Montana contains on average 24% of a mixture of toxic and carcinogenic amphibole asbestiform fibers. These comprise primarily winchite (84%), with smaller quantities of richterite (11%) and tremolite (6%), which are together referred to as Libby amphibole (LA). Methods A total of 1883 individuals who were occupationally and/or environmentally exposed to LA and were diagnosed with asbestos-related pleuropulmonary disease (ARPPD) following participation in communitywide screening programs supported by the Agency for Toxic Substances and Disease Registry (ATSDR) and followed up at the Center for Asbestos Related Disease (CARD) between 2000 and 2010. There were 203 deaths of patients with sufficient records and radiographs. Best clinical and radiologic evidence was used to determine the cause of death, which was compared with death certificates. Results Asbestos-related mortality was 55% (n = 112) in this series of 203 patients. Of the 203 deaths, 34 (17%) were from asbestos-related malignancy, 75 (37%) were from parenchymal asbestosis, often with pleural fibrosis, and 3 (1.5%) were from respiratory failure secondary to pleural thickening. Conclusions Asbestos is the leading cause of mortality following both occupational and nonoccupational exposure to LA in those with asbestos-related disease.
Case-fatality study of workers and residents with radiographic asbestos disease in Libby, Montana
Creators
Albert Miller - Icahn Sch Med Mt Sinai, New York, NY 10029 USA
Charles B. Black - Center for Asbestos Related Disease
Gregory Loewen - Washington State University Spokane
Curtis W. Noonan - University of Montana
Tracy McNew - Center for Asbestos Related Disease
Alan C. Whitehouse - Drexel University
Arthur L. Frank - Drexel University
Publication Details
American journal of industrial medicine, v 65(3)
Publisher
Wiley
Number of pages
7
Grant note
5R01TS000099; P20GM130418 / NIH; United States Department of Health & Human Services; National Institutes of Health (NIH) - USA
Center for Asbestos Related Disease Foundation
1 D04RH15013-01 / Health and Human Services HRSA grant
Agency for Toxic Substances and Disease Registry-Montana Asbestos Screening and Surveillance Activity (MASSA)
Resource Type
Journal article
Language
English
Academic Unit
Environmental and Occupational Health
Web of Science ID
WOS:000734667000001
Scopus ID
2-s2.0-85121677772
Other Identifier
991019168030104721
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