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Lead intoxication: clinic and diagnostic evaluation in children

Keywords: lead , children , clinical effects.

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Abstract:

Poverty, poor nutrition, environmental and social injustice prevailing in Latin America are factorsthat determine the action of pollutants on children. Lead poisoning and pollution constitute apublic health problem throughout the world. Lead affects multiple organs: nervous system particularly,hematopoietic, renal, endocrine, bone and others. Objective: to assess clinical, biochemicaland vascular effects in children exposed to known source of lead. Materials and methods: Sevenchildren with defined source lead exposure were studied, general and specific lead laboratorywere made. Endothelial function and electrocardiographic parameters were assessed. Statistic:descriptive. Results: Age average was 6,2 years (DE± 1, 6), average haematocrit 31% (DE±0,02);hemoglobin average 10,2 g/dl (DE± 0,78). 100% presented hypochromia, microcitosis, anemiaand marked anisocytosis. Lead average: 37,9 ug/dl (DE±6,22), ALA-D average: 8,9 U/L (DE±4,5).No changes were found in lipid profile and kidney function. All presented microalbuminuriaand endothelial dysfunction. Conclusion: These results show the effects of environmental leadexposure that can result in children not occupationally exposed.

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