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vol.31 número3ESTRATEGIAS NUTRICIONALES PARA OPTIMIZAR LA OXIDACION DE GRASA DURANTE EL EJERCICIOINFLUENCIAS SOCIOECONÓMICAS Y ÉTNICAS SOBRE LA TALLA DE MUJERES CHILENAS. índice de autoresíndice de materiabúsqueda de artículos
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Revista chilena de nutrición

versión On-line ISSN 0717-7518

Resumen

JARA Y, Jorge A et al. PREVALENCE OF ENDEMIC GOITER WITH THE ULTRASONOGRAPHIC METHOD, DETERMINATION OF URINARY IODINE AND DOSAGE OF IODINE CONTENT OF SALT IN SCHOOLS OF PARAGUAY.. Rev. chil. nutr. [online]. 2004, vol.31, n.3, pp.287-295. ISSN 0717-7518.  http://dx.doi.org/10.4067/S0717-75182004000300004.

Paraguay, a mediterranean country located in the heart of South America , with a surface of 406.542 Km2 and a population of 5,8 million inhabitants, import all the salt to consume from neighbord countries as Argentina, Brazil and Chile. The present observational study, of descriptive type uses the ultrasonography method to determine the size and the characteristics of the thyroid gland in 1,034 school children of both sexes of 13 districts of the country. The study was carried out during 3 months of the year 2000. The elected places had antecedents of under consumption of iodized salt with urinary iodine excretion values below 50 µg/L, as well as the mensuration of the yoduria for the trinitrito method, the level of iodine in salt and the relation height/weight of the studied children. Thyroid volume of school children was in 82.9% of cases within the normal limit. Increased thyroid gland volume was observed in 17.1% of the children by age and sex and 22% by body surface. Fifty three porcent of the districts presented a median of urinary iodine excretion above 200 µg/dL with an average of 301.25 µg/dL. Forty porcent of the districts presented a normal urinary iodine excretion between 100 and 199 µg/dl with a median of 145 µg/dL. Only 7% presented a median urinary iodine excretion below 100 µg/dL. This study showed an improvement of iodination of salt for human consumption when comparing with those carried out in 1988 in Paraguay, nevertheles, still there are some risks in the population of thyrotoxicosis and thyroid autoinmunes diseases due to an excesive intake of iodine in the salt. For this reason, a pursuit and control with the necessary adjustments of iodine salt levels could be recommended.

Palabras clave : Iodine nutrition; iodine deficiency disorders; thyroid ultrasound; urinary iodine excretion; iodine content of salt.

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