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Anales de la Facultad de Medicina
versión impresa ISSN 1025-5583
Resumen
RAMIREZ, Augusto V. Occupational lead poisoning. An. Fac. med. [online]. 2005, vol.66, n.1, pp.57-70. ISSN 1025-5583.
Lead, a ubiquitous heavy metal, has been found in places as unlikely as Greenlands fossil ice. Egyptians and Hebrews used it. In Spain, Phoenicians c. 2000 BC worked ores of lead. At the end of the XX century, occupational leads poisoning became a public health problem in developed countries. In non-developed countries occupational lead poisoning is still frequent. Diagnosis is directed to recognize lead existence at the labor environment and good clinical and occupational documentation. Differential diagnosis considers neurological and abdominal pain syndromes. Both blood lead and zinc-protoporphyrin levels are trustworthy and crucial analysis. In exposed workers, blood-lead can attain 40 ug/100 mL and even 80 ug/100 mL in unhealthy industries workers and zinc-protoporphyrin is above 4 ug/g of hemoglobin. Treatment consists mainly in calcium disodium edetate, d-penicillamid leads quelantes, or the new di-mercapto succinic acid and 2-3 di-mercapto-1-propane sulfonic acid that have improved the therapeutic options, are less toxic and easier to manage. We highlight leads problem as a high-priority problem in public and occupational health, as well as a serious ecological problem.
Palabras clave : Lead; lead poisoning; occupational exposure; enviromental exposure.