18.

Ritter J, Dacquet J (Inst. Hyg. Rabat, Morocco). Detection and ambulatory treatment of lead poisoning by oral administration of calcium di-sodium versenate. Maroc Medical. 1961; 40:377-382 (Apr.). (2323) [The program for the prevention of Pb poisoning in foundry workers in Morocco begun in 1957 is described. At the comprehensive 6-mo health examinations, 10 ml of 5% CaNa2EDTA is given intravenously; if this is followed by a urinary Pb excretion of >0.06 mg Pb/24 hr, the case is classified as suspicious and EDT injections are repeated for 2-3 more days. Pb levels >0.08 mg are regarded as certain signs of Pb poisoning. If the stippled cell count exceeds 3/1000 red cells, treatment with 6 tablets of 0.25 g EDTA in the morning and evening is continued for 4 days and the course is repeated twice after 5-day intervals. A number of examples are presented, and serial results of this effective policy are tabulated. This test supplements other tests such as stippled cell counts or coproporphyrin determination. The authors conclude that ambulatory treatment orally administered is simple, practical, effective and well tolerated.

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