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. 2002 Nov;59(11):734–738. doi: 10.1136/oem.59.11.734

Lead induced increase of blood pressure in female lead workers

K Nomiyama 1, H Nomiyama 1, S Liu 1, Y Tao 1, T Nomiyama 1, K Omae 1
PMCID: PMC1740230  PMID: 12409531

Abstract

Aims: Although lead exposure has, in the absence of mathematical modelling, been believed to elevate blood pressure in females, it is necessary to clarify the relation between lead and blood pressure by eliminating confounding factors in the analysis.

Methods: Blood lead was measured in 193 female workers, including 123 lead exposed workers. Possible confounding factors were controlled by multiple regression analyses.

Results and Conclusion: Blood lead above 40 µg/dl was found to be the most potent factor for elevating systolic/diastolic blood pressure. Aging, urine protein, and plasma triglyceride also contributed to systolic/diastolic/pulse pressure increase, but hypertensive heredity did not. Data suggested that lead induced changes in lipoprotein metabolism may play an important role in the lead induced blood pressure increase in female workers.

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Selected References

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