NDLI: Inorganic fibres in the lung tissue of Hungarian and German lung cancer patients

Content Provider	Springer Nature Link
Author	Rödelsperger, K. Mándi, A. Tossavainen, A. Brückel, B. Barbisan, P. Woitowitz, H. J.
Copyright Year	2001
Abstract	Objective: To ascertain the lung burden of asbestos fibres in Hungarian lung cancer patients in comparison with the cumulative asbestos exposure estimated from the occupational history. Methods: For 25 Hungarian lung cancer patients, lung tissue fibre analysis was performed by scanning transmission electron microscopy (STEM) and counting of ferruginous bodies (FBs) by light microscopy. Cumulative asbestos exposure in fibre-years was assessed from a standardised occupational history using the report “fibre years” of the German Berufsgenossenschaften. Results: Median and maximum concentrations of fibres longer 5 μm per gram dry lung tissue (g dry) were 0.03 and 7.38 million fibres/g dry for chrysotile, 0.00 and 0.21 million fibres/g dry for amphibole and 0.22 and 0.62 million fibres/g dry for other mineral fibres (OMFs). The maximum values were observed in one patient for whom a high asbestos exposure was evident in advance from the occupational history. Conclusions: In comparison with reference values obtained by the same method for German patients with no indication of workplace asbestos exposure, increased concentrations of more than 0.2 million chrysotile fibres/g dry were obtained for six of the 25 Hungarian patients (24%). For one of them, the second highest estimate of a workplace exposure of 60 fibre-years and the highest tissue concentration of 7.38 million chrysotile fibres/g dry substantiate a high probability of a causal relationship to asbestos. A further comparison can be made with the results for 66 German patients treated by surgical lung resection for a disorder other than mesothelioma, mainly lung cancer. For the Hungarian lung cancer patients, similar amounts of chrysotile but distinctly lower amounts of amphibole fibres and distinctly higher amounts of OMFs were observed. A correlation between exposure estimates from occupational history and concentration of fibres in the lung tissue was observed for amphibole (Spearman: R=0.66, P < 0.001, Pearson: R=0.50, P=0.01) and for chrysotile (Pearson: R=0.48, P=0.02).
Starting Page	133
Ending Page	138
Page Count	6
File Format	PDF
ISSN	03400131
Journal	International Archives of Occupational and Environmental Health
Volume Number	74
Issue Number	2
e-ISSN	14321246
Language	English
Publisher	Springer-Verlag
Publisher Date	2001-03-02
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health

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