Renal function of chrome-plating workers and welders

Abstract
The influence of occupational exposure to water-soluble chromium (VI) on renal function was examined. In male chrome-plating workers (n = 29), stainless steel welders (n = 45), boilermakers (n = 18) and a control group of workers (n = 71), the level of chromium in the urine (Cr-U), the chromium clearance, and sensitive renal function parameters were determined. The glomerular-function parameters of the chrome-plating workers (Cr-U 1 to 34 μg/g crest) and welders (Cr-U 1 to 62 μg/g creatine) appeared to differ from those of the boilermakers (Cr-U 0.3 to 1.5 μg/g creatine) and controls (Cr-U 0.1 to 2 gg/g creatine). The renal function parameters were not related to chromium concentration in the urine or to chromium clearance.

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