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Delayed blood regeneration in lead exposure: An effect on reserve capacity

Author

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  • Grandjean, P.
  • Jensen, B.M.
  • Sando, S.H.
  • Jorgensen, P.J.
  • Antonsen, S.

Abstract

Twenty-five lead-exposed Danish battery production workers and 25-age-matched controls were examined to evaluate subclinical effects on blood formation. Blood lead levels averaged 2.14 μmol/L and 0.35 μmol/L in the two groups; the lead workers also showed high levels of erythrocyte protoporphyrin, as compared to the controls. Otherwise, the hematological parameters indicated an appropriate iron status and no other deviations. From all subjects, 0.45 L of blood was bled as part of a normal blood donation. Five and 11 days later, reticulocyte counts were significantly higher in the control group than in the lead-exposed workers. On day 15, the lead workers showed a significant delay in blood regeneration, as evidenced by lower hemoglobin concentration, and erythrocyte and reticulocyte counts. The lead exposure in the present study was within legal limits, and lead-induced anemia would be expected only at much higher exposure levels. Thus, despite the normal hematological findings in the initial examination, the lead exposure caused a decreased reserve capacity for blood formation, and this effect became evident only after the blood loss.

Suggested Citation

  • Grandjean, P. & Jensen, B.M. & Sando, S.H. & Jorgensen, P.J. & Antonsen, S., 1989. "Delayed blood regeneration in lead exposure: An effect on reserve capacity," American Journal of Public Health, American Public Health Association, vol. 79(10), pages 1385-1388.
    • Handle: RePEc:aph:ajpbhl:1989:79:10:1385-1388_0
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    Cited by:

    1. von der Goltz, Jan & Barnwal, Prabhat, 2019. "Mines: The local wealth and health effects of mineral mining in developing countries," Journal of Development Economics, Elsevier, vol. 139(C), pages 1-16.
    2. Kanae Karita & Eiji Yano & Miwako Dakeishi & Toyoto Iwata & Katsuyuki Murata, 2005. "Benchmark Dose of Lead Inducing Anemia at the Workplace," Risk Analysis, John Wiley & Sons, vol. 25(4), pages 957-962, August.

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