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Chronic renal failure with gout: a marker of chronic lead poisoning

Journal Article · · Kidney Int.; (United States)
DOI:https://doi.org/10.1038/ki.1984.175· OSTI ID:5606409

EDTA (calcium disodium edetate) lead mobilization and x-ray fluorescence (XRF) finger bone lead tests were done in 42 patients with chronic renal failure and without persisting lead intoxication. Nineteen of 23 patients with gout and 8 of 19 without gout had positive EDTA lead mobilization tests. Those patients with gout excreted significantly more excess lead chelate than those without gout. In the gout group 17 patients denied any childhood or industrial exposure to lead. They had a greater number of positive tests and excreted significantly more excess lead chelate than 14 patients with neither gout nor lead exposure. These results confirm that gout in the presence of chronic renal failure is a useful marker of chronic lead poisoning. Of 27 patients with positive lead mobilization tests, only 13 had elevated XRF finger bone lead concentrations (sensitivity 48%). Three of 15 patients with negative lead mobilization tests had elevated XRF finger bone lead concentrations (specificity 80%). Although the XRF finger bone lead test is a convenient noninvasive addition to the diagnostic evaluation of patients with chronic renal failure and gout, its application is limited due to the lack of sensitivity of the method.

Research Organization:
Royal Brisbane Hospital, Queensland, Australia
OSTI ID:
5606409
Journal Information:
Kidney Int.; (United States), Journal Name: Kidney Int.; (United States) Vol. 26:3; ISSN KDYIA
Country of Publication:
United States
Language:
English