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1.
Chinese Journal of Radiological Medicine and Protection ; (12): 858-862, 2017.
Artigo em Chinês | WPRIM | ID: wpr-663164

RESUMO

The stable iodine prophylaxis plays an important role in public health response after nuclear power plants accident. According to the recent guidelines of the international organizations and other countries, the intervention level of stable iodine prevention, timing of taking medication, doses for different groups, and the contradictions were discussed in this paper. The chemical form and the formulation of the stable iodine were introduced, and something needs attention during stockpiling and distribution of the iodine. There were still some problems in China on the preparedness for the stable iodine prophylaxis after nuclear power plant accident, including the single type of potassium iodide tablet, short shelf life and no practical guidance. The preparedness of stable iodine should be strengthened.

2.
Rev. venez. endocrinol. metab ; 1(2): 17-21, jun. 2003. ilus, tab
Artigo em Espanhol | LILACS-Express | LILACS | ID: lil-631108

RESUMO

Objetivos: El presente estudio transversal fue planificado para evaluar la presencia de anticuerpo antitiroideo antiperoxidasa (ac.anti-TPO) y la función tiroidea, en dos áreas endémicas de bocio, con deficiencia de yodo corregida. Métodos: Se estudiaron 109 escolares, de ambos sexos, entre 6-12 años de edad, procedentes de Bailadores (BA=54) y Mucuchíes (MU=55). El diagnóstico de bocio se obtuvo por palpación clínica. La yoduria se determinó en 34 niños de BA y en 37 de MU, mientras que la concentración sérica de T4 libre (T4L), T3 libre (T3L), T3 total (T3T), TSH y ac.anti-TPO fueron determinadas en todos los escolares estudiados. Adicionalmente se realizó la cuantificación de T3T y ac.anti-TPO en uno de los progenitores de cada niño. Resultados: En BA, el 53,5% de los escolares presentaron bocio y en MU el 42,5%. La mediana de la excreción urinaria de yodo no fue estadísticamente diferente entre ambos grupos (BA=181 µg/L, MU=200 µg/L). La frecuencia global de detectabilidad de ac.anti-TPO en escolares fue del 45,5%, pero solo el 5% presentó seropositivad. Una concentración de ac. anti-TPO, entre 10 y 30 UI/mL, se observó en el 39% de los niños de BA y 40% en MU; 87% en adultos de BA y 54% en MU. En BA, concentraciones de ac.anti-TPO mayores de 30 UI/mL se observaron en el 10% de los niños y en el 17% de los adultos; en MU, no se observó ningún caso positivo para ac.anti-TPO en niños, mientras que en adultos la frecuencia de positividad fue del 8%. Las pruebas de función tiroidea de los escolares y de los progenitores de ambas regiones fueron similares y compatibles con estado de eufunción No hubo asociación entre la presencia de ac.anti-TPO y bocio. Conclusiones: Estos resultados indican que la corrección de la deficiencia de yodo en las áreas endémicas estudiadas se asocia con una alta frecuencia de detectabilidad de ac.anti-TPO, sin cambios en la función tiroidea.


Objective: This cross-sectional study was designed to evaluate the thyroid peroxidase autoantibody (TPO-Ab) concentrations and thyroid function in schoolchildren from two geographic regions were iodine deficiency was corrected. Methods: One hundred nine schoolchildren 6 to 12 years of age were studied: Bailadores (BA=54) and Mucuchíes (MU=55). Goiter size, urinary iodine, and serum freeT4, freeT3, total T3, TSH and TPO-Ab were measured. Total T3 and TPO-Ab were also determined in some parents. Results: Overall frequency of TPO-Ab detectability and positivity in schoolchildren were 45,5% and 5% respectively. TPO-Ab concentration ranging between 10-30 UI/mL was observed in 39% of children from BA and 40% from MU; 87% of parents from BA and 54% from MU. TPO-Ab concentration >30 UI/mL was observed in 10% of children and 17% of their parents. None of the children from MU had positive TPO-Ab, while 8% of their parents were positive. Median urinary iodine was similar in both regions (BA=181 µg/L, MU=200 µg/L). Thyroid function tests were normal in all cases. Goiter was found in 53,5% of children from BA and 42,5% from MU . No association between goiter and ac.TPO-Ab concentration was observed. Conclusions: These results suggest that in both endemic goiter regions, sufficient iodine prophylaxis by iodized salt is frequently associated with low detectable TPO-Ab levels and no changes in thyroid function.

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