Börjesson J, Gerhardsson L, Schütz A, Perfekt R, Mattsson S, Skerfving S. Kidney cadmium as compared to other markers of cadmium exposure in workers at a secondary metal smelter.
Am J Ind Med 2001;
39:19-28. [PMID:
11148012 DOI:
10.1002/1097-0274(200101)39:1<19::aid-ajim2>3.0.co;2-q]
[Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND
The aim of the study was to evaluate whether cadmium concentrations in kidney (K-Cd), blood (B-Cd) or urine (U-Cd) could reveal previous occupational cadmium exposure at a metal smelter.
METHODS
The study included 90 smelters and 35 controls (B-Cd and U-Cd determination). In a subgroup (N = 33), K-Cd was also determined.
RESULTS
B-Cd (median 4.6; range 0.5-53 nmol/L), U-Cd (0. 29; 0.04-1.9 micromol/mol creatinine) and K-Cd (14; 3-61 microg/g wet weight) were similar to reported concentrations in the general Swedish population. In the subgroup, significant associations (P<0. 001) were obtained between B-Cd and K-Cd (r = 0.70), U-Cd and K-Cd (r = 0.60) and between U-Cd and B-Cd (r = 0.62). Multiple regression analyses revealed smoking as the major predictor of K-Cd, B-Cd, and U-Cd. B-Cd and U-Cd were both associated with the duration of employment at the smelter.
CONCLUSIONS
There was no statistically significant evidence of previous occupational exposure at the smelter from measurement of K-Cd.
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