PubMed · 5938457
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E Concina. [The bronchi in pneumoconioses].. https://pubmed.ncbi.nlm.nih.gov/5938457/
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This review examines the hypothesis that excess lung cancer risk in worker cohorts exposed to asbestos occurs only among those with asbestosis. The adequately designed studies in the literature support this hypothesis. The summary relative risk for lung cancer was 1.00 in seven cohorts with no deaths from asbestosis. In addition, there is a high correlation between asbestosis rates and lung cancer rates in 38 cohorts in contrast to a poor correlation between cumulative exposure data and lung cancer relative risks in eight cohorts with adequate data. The evidence indicates that asbestosis is a much better predictor of excess lung cancer risk than measures of exposure and serves as a marker for attributable cases.
Compensation schemes for asbestos-related diseases have developed different strategies for attributing a specific disease to occupational exposure to asbestos in the past. In the absence of quantitative exposure information that allows a valid estimate of an individual's historical exposure, general guidelines are required to retrospectively evaluate asbestos exposure. A risk matrix has been developed that contains qualitative information on the proportion of workers exposed and the level of exposure in particular industries over time. Based on this risk matrix, stepwise decision trees were formulated for decisions regarding the decisive role of historical asbestos exposure in case ascertainment of asbestosis and mesothelioma. Application of decision schemes will serve to speed up the process of verifying compensation claims and also contribute to a uniform decision-making process in legal procedures.