602 resultados para Bateria chumbo


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This is a cross-sectional study with a randomized choice of individuals aiming at studying the validity of the Brazilian biological exposure limits applied to lead level in the blood (PbB) and delta-aminolevulinic acid in the urine (ALAU), which are 60 μ/dl and 10 mg/g.creat., respectively. Thus, twenty workers, whose PbB and ALAU values have been below these limits over the past two years, were selected at random at a battery plant in the State of S. Paulo, Brazil. The workers were submitted to a variation of the WHO Neurobehavioral Core Test Battery. The results were compared with those obtained for workers of a control group also chosen at random. The lead workers showed memory, mood and motor coordination disorders. Comparing these results with those obtained from the control group, a significant difference was observed (p-value < 0.02). The results indicate that the Brazilian biological exposure limits above should be reconsidered.

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The present study reports the occurrence of lead poisoning in a male, 2 year-old mongrel dog attended at UNESP Botucatu Veterinary Hospital. The animal was brought to the hospital with claim of gastrointestinal and nervous disturbs for 10 days, worsening in the last 24 hours. After unsuccessfully attempts to control status epileticus, the animal died. Hematological evaluation revealed significant rubricytosis and basophilic stippling, highly suggestive of lead poisoning. Serum lead concentration confirmed toxic levels of this element. Necropsy evidenced the presence of foreign bodies in stomach (one stone and two metallic objects) and, microscopically, characteristic inclusions in renal parenchyma. Fragments obtained from liver and kidneys revealed lead concentrations of 0, 8 μg/g and 25 μg/g, respectively, which in association to clinical signs of saturnism, determined the diagnosis of lead poisoning.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)