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Cancer mortality and exposure to nickel and chromium compounds in a cohort of Italian electroplaters
Background Nickel and chromium‐VI compounds are carcinogens for lung cancer, although it is still debated if there is an increased risk at low levels of exposure and for other cancers. Methods In a cohort of 2991 Italian electroplaters, a proportion of whom were exposed to low levels of nickel and/o...
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Published in: | American journal of industrial medicine 2019-02, Vol.62 (2), p.99-110 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Background
Nickel and chromium‐VI compounds are carcinogens for lung cancer, although it is still debated if there is an increased risk at low levels of exposure and for other cancers.
Methods
In a cohort of 2991 Italian electroplaters, a proportion of whom were exposed to low levels of nickel and/or chromium, cumulative exposure to their compounds was obtained by multiplying average concentrations of the metals in each electroplating tank by duration of employment in the company. The association of exposure to compounds with mortality was assessed by multivariable Cox models.
Results
No cancer site was associated with chromium exposure controlling for nickel, whereas exposure to nickel significantly increased mortality from lung, rectal, and kidney cancers, even after adjusting for exposure to chromium.
Conclusions
Study results suggest that exposure to nickel compounds may increase the risk of lung cancer even below its occupational exposure limit and indicate possible associations with other cancer sites. |
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ISSN: | 0271-3586 1097-0274 |
DOI: | 10.1002/ajim.22941 |