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Background: Early childhood lead exposure is associated with numerous adverse health effects. Biomonitoring among susceptible populations, such as children, has not been previously conducted. The aim of the study is to evaluate the blood lead (Pb) and total blood calcium (Ca) levels; blood zinc (Zn) levels. Methods: A cross-sectional study was designed to collect healthy children age 1- 36 months (Mean ± SD: 1.5 ± 0.6 age, 60% boys) in the study from January 2010 to September 2011. Results: The overall mean blood Pb levels were 42.18 ± 12.13 μg/L, the overall mean blood Zn and total blood Ca concentrations were 62.18 ± 12.33 μmol/L and 1.78 ± 0.13 mmol/L, respectively. The prevalence of elevated blood Pb levels in all children was 1.3%. A significant difference was found between female and male subjects for the blood Pb and Zn. After controlling for gender and age, there was a weak positive correlation between total blood Ca and Zn level. Conclusions: The blood Pb levels had a significant negative correlation with total blood Ca level after adjusting for age and gender, and these findings suggest that Pb had effect on positive blood Zn and total blood Ca levels; parents should pay more attention to the nutrition of girls
Palabras Clave: Biomonitoring. Zinc. Total blood calcium. Lead.
Heloisa Fernanda Lopes Da Silva , Acsa Nara Araújo Brito , Erika Paula Silva De Freitas , Mário Emílio Teixeira Dourado Jr. , Karine Cavalcanti Maurício Sena Evangelista , Lucia Leite Lais
Lorena Fernández-palacios , Gaspar Ros-Berruezo , Elsa Barrientos-augustinus , Elizabeth Jirón De Caballero , Carmen Frontela-saseta
Andréa Cardoso de Matos , Gisele Souza , Vanessa Moreira , Mariana Luna , Andréa Ramalho
María Dolores Salas-González , Elena Rodríguez-Rodríguez , Ana Isabel Jiménez-Ortega , Liliana Guadalupe González-Rodríguez , Ana M. López-Sobaler
Ana Paula Caio Zidório , Kenia Mara Baiocchi de Carvalho , Eliane Said Dutra
Erika Yanet Portillo Siqueiros , Eduardo Santellano-Estrada , Miguel Ángel Flores Villalobos , María Guadalupe Roacho Soto , Susana Martínez Flórez
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