Navegando por Autor "Macedo, Mariana de Souza"
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Item Deficiência de iodo e fatores associados em lactentes e pré-escolares de um município do semiárido de Minas Gerais, Brasil, 2008.(2012) Macedo, Mariana de Souza; Teixeira, Romero Alves; Bonomo, Élido; Silva, Camilo Adalton Mariano da; Silva, Marcelo Eustáquio; Sakurai, Emília; Carneiro, Mariângela; Lamounier, Joel AlvesThe aim of this study was to evaluate the prevalence of iodine deficiency in children aged 6 to 71 months in Novo Cruzeiro, Minas Gerais State, Brazil. A total of 475 children, allocated by stratified probability sampling, were analyzed with respect to the iodine concentrations in the salt consumed by the family and urinary iodine. Iodine deficiency was verified in 34.4% of the children, of which 23.5% showed slight deficiency, 5.9% moderate and 5% serious deficiency. A difference in the distribution of iodine deficiency was observed between the urban and the rural environments (p < 0.001) where average urinary iodine concentrations of 150.8 and 114.3μg/L respectively were found. A greater proportion of iodine deficiency was observed among children where the proportion of iodine in the salt consumed was below the recommended level. Although expressive, iodine deficiency in Novo Cruzeiro is not a public health problem according to World Health Organization (WHO), The limitrophe distribution of the urinary iodine associated with low iodine levels in salt suggests that efforts to control this deficiency are not yet completeItem Iodine malnutrition and associated factors in schoolchildren aged 6 to 14 years in a municipality situated in the semi-arid region of the state of Minas Gerais, Brazil, 2008.(2014) Macedo, Mariana de Souza; Teixeira, Romero Alves; Bonomo, Élido; Silva, Camilo Adalton Mariano da; Carneiro, Mariângela; Silva, Marcelo Eustáquio; Sakurai, Emília; Lamounier, Joel AlvesThe objective of this study was to assess the prevalence of iodine deficiency and possible correlated factors among schoolchildren in the municipality of Novo Cruzeiro-MG by means of an evaluation of urinary iodine excretion. Five hundred and forty schoolchildren aged 6 to 14 years selected by stratified sampling, were evaluated. Urine samples were analyzed using the Sandell- Kolthoff method preconized by the WHO and iodine concentrations in the salt were assessed by means of volumetric analysis, in accordance with recommendations from the Ministry of Health. Iodine deficiency was observed in 38.9% of the schoolchildren. Of these, 28.7% of them presented slight deficiency, 6.2% of them were moderately deficient and 4% of them were seriously deficient. Median urinary iodine levels in the urban and rural population were 150.8 and 119.2 μg/L, respectively, with a clear distribution of iodine deficiency among the populations (p < 0.001) being registered. It was also observed that there was a high prevalence of deficient urinary iodine excretion among schoolchildren that consumed salt with an insufficient iodine content. In relation to the quality of the salt consumed by families, in 12.2% of the residences studied the iodine content in salt was below the recommended level (20 mg/kg), while the iodine content was below 15 mg/kg in only 5.3% of them. The results indicated that, although not characterized as a public health issue, according to WHO criteria, iodine deficiency showed very high prevalence among schoolchildren in this region. Regarding the iodine content of salt found in household consumption, our findings indicated the National Program of Salt Iodination was not efficient in the city, since it did not hit the target proposed by the Ministry of Health. Furthermore, low urinary iodine excretion associated with the consumption of salt with low iodine content suggests the need for periodical evaluations in order to provide effective control of the endemic disease.