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Serum and urinary vanadium of workers processing vanadium pentoxide

M Kiviluoto, L Pyy, A Pakarinen

    International Archives of Occupational and Environmental Health
    |January 1, 1981
    PubMed
    Summary
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    Vanadium pentoxide dust exposure in men leads to increased serum and urinary vanadium levels. Most absorbed vanadium is rapidly excreted in urine within one day post-exposure.

    Area of Science:

    • Occupational Health
    • Environmental Science
    • Toxicology

    Background:

    • Vanadium pentoxide (V2O5) exposure is a concern in industrial settings.
    • Understanding vanadium kinetics is crucial for assessing occupational health risks.

    Purpose of the Study:

    • To investigate serum and urinary vanadium concentrations in workers exposed to vanadium pentoxide dust.
    • To determine the correlation between exposure levels, serum vanadium, and urinary vanadium excretion.

    Main Methods:

    • Eight male workers exposed to vanadium pentoxide dust were monitored.
    • Serum and urinary vanadium concentrations were measured.
    • Urinary vanadium was adjusted for creatinine levels.
    • Measurements were taken during and after a period of exposure cessation (summer holidays).

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    Main Results:

    • Creatinine-adjusted urinary vanadium correlated significantly with serum vanadium (r = 0.81).
    • Urinary vanadium excretion decreased significantly with time out of exposure.
    • Vanadium levels in serum and urine remained detectable for up to 16 days after exposure cessation.
    • Family members of exposed workers showed lower urinary vanadium levels.

    Conclusions:

    • Urinary vanadium excretion is a reliable indicator of absorbed vanadium.
    • The majority of absorbed vanadium is excreted renally within approximately one day following moderate, long-term exposure.
    • Occupational exposure monitoring should consider both serum and urinary vanadium levels.