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Endocrinol. nutr. (Ed. impr.) ; 56(10): 452-457, dic. 2009. ilus, tab
Artigo em Espanhol | IBECS | ID: ibc-118277

RESUMO

Antecedentes: La deficiencia de yodo en mujeres gestantes puede tener repercusiones importantes e irreversibles en el desarrollo y la maduración del cerebro fetal, incluso desde las primeras semanas del embarazo. Objetivo: El objetivo de nuestro estudio es conocer el estado nutricional de yodo de las mujeres gestantes de nuestra área sanitaria, establecer posibles relaciones con factores alimentarios, conocer su repercusión en la función tiroidea y establecer pautas y recomendaciones de tratamiento. Pacientes y método: Se estudió a 164 mujeres gestantes en sus primeras semanas de gestación. Se determinó la yoduria en muestras de orina de 24 h y se recogieron datos antropométricos, de función tiroidea y dietéticos mediante una encuesta alimentaria en forma de recordatorio semanal, todo ello antes del inicio de suplementación con preparados farmacológicos de sales de yodo. Resultados: La mediana [intervalo intercuartílico] de yoduria obtenida fue de 92 [71-139] µg/l. El 78% de los valores de yoduria se halla por debajo de los 150 µg/l. Hubo mayor proporción de mujeres yodosuficientes entre las que consumían sal yodada. Conclusiones: Nos encontramos en un área sanitaria con yododeficiencia en el 78% de las mujeres embarazadas. El consumo de sal yodada se asocia a suficiencia de yodo e incrementa los valores de yoduria. Se deberían implementar medidas para aumentar el consumo de sal yodada en la población. La pauta de suplementos farmacológicos de yodo en gestantes desde el inicio del embarazo debería ser una medida sistemática (AU)


Background: Iodine deficiency in pregnant women may result in substantial and irreversible impairment in fetal brain development, even from the first few weeks of pregnancy. Objective: To assess the nutritional iodine status of pregnant women in our health area and its relationship with dietary factors and thyroid function and to suggest treatment guidelines. Patients and method: A study in 164 pregnant women in early pregnancy was carried out. Data on urinary iodine concentrations were gathered from 24-hour urine samples. Data on anthropometric parameters and thyroid function were included. Information on dietary habits in the previous week was collected using a nutritional questionnaire. All data were obtained before iodine supplements were administered. Results: The median urinary iodine concentration was 92 [p25-p75 range, 71-139] µg/l. Seventy-eight percent of urinary iodine values were under 150 µg/l. Women who took iodized salt had higher levels of urinary iodine concentrations than women without iodized salt intake. Conclusions: Seventy-eight percent of pregnant women in our health area were iodine deficient. Iodized salt intake is related to iodine sufficiency and to increased urinary iodine concentrations. Measures to increase intake of iodized salt among the population should be implemented. Iodized salt supplements should be systematically prescribed in women from the beginning of pregnancy (AU)


Assuntos
Humanos , Feminino , Gravidez , Deficiência de Iodo/complicações , Iodo/uso terapêutico , Bócio Endêmico/epidemiologia , Nutrição Materna , Complicações na Gravidez/epidemiologia , Suplementos Nutricionais , Tiroxina/sangue , Iodo/urina , Triagem Neonatal/métodos , Comportamento Alimentar
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