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Revista argentina de endocrinología y metabolismo

versão On-line ISSN 1851-3034

Resumo

MENDEZ, V. et al. Surveillance of iodine deficiency in Salta Capital. Rev. argent. endocrinol. metab. [online]. 2008, vol.45, n.5, pp.206-213. ISSN 1851-3034.

The iodide deficit disorder (IDD) is a worldwide Public Health problem that affects more than a million subjects causing neuromadurative disorders that could be avoided with adequate iodide supply. Objective: To monitor IDD in Salta Capital, due to its geographic location and possible utilization of non iodated salt. Population and methods:. SDSHeight , SDS BMI and weight were assessed in 442 scholars (221 girls) aged 5 to 14. Thyroid volume was evaluated and classified according to WHO criteria. In 97 children iodide urinary concentration was measured in casual urine samples by the modified Sandell and Kolthof method.TSH level's distribution of the neonatal screening performed in the region 18 months prior to this study (n 310) was evaluated. Criteria suggested by WHO to indicate iodide deficiency were applied. Results: Goitre prevalence was 6.3%, Iodide urine median levels were 127.5 ug/l with 20% < 50 ug/l. Only 1.6% of the 310 TSH samples were > 5 μU/ml. Applying WHO criteria goiter prevalence was higher that expected for a iodide sufficient area and urine iodide content was normal but marginal in its distribution. Neonatal TSH levels were the expected for a sufficient area. Conclusion: Although high goiter prevalence could be explained by environmental factors the distribut-ion of urinary iodide points out an adequate but marginal iodide supply underscoring the need of close monitoring.

Palavras-chave : Iodine Deficiency; Urinary iodine; Neonatal TSH.

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