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通过半年对３５名７～１２岁轻度碘缺乏病儿童进行补碘，并与同龄、同地的正常儿童和缺碘未补碘儿童进行比较，以观察补碘对儿童脑功能及生长发育的影响。结果发现：①补碘可使儿童碘营养状况恢复正常，尿碘值由（８３．２±３．５）μｇ／Ｌ上升到（１６２．２±１．６）μｇ／Ｌ，血清Ｔ４、ＦＴ４Ｉ和ｒＴ３：也与正常儿童一致而与未补碘儿童有显著性差异（Ｐ＜０．０５）．②轻度碘缺乏病儿童智商低于正常儿童（Ｐ＜０．０１），补碘在一定程度上改善其智商水平。③轻度碘缺乏病及补碘未能明显影响儿童的生长发育，可能与儿童总营养水平较差有关。
Thirty-five children with idiopathic iodine deficiency (IDD), aged from 7 to 12 years, were enrolled in this study and compared with normal children of the same age and place of study and iodine-poor children without iodine supplementation to observe the effects of iodine supplementation on brain function and growth of children influences. The results showed that: (1) iodine supplementation could restore normal iodine nutrition status in children, urinary iodine value increased from (83.2 ± 3.5) μg / L to (162.2 ± 1.6) μg / L serum T4, FT4I And rT3: also consistent with normal children and non-iodine-rich children were significantly different (P <0.05). ② IQ of children with mild iodine deficiency is lower than that of normal children (P <0.01), and iodine supplementation can improve IQ of children to a certain extent. ③ mild iodine deficiency disorders and iodine deficiency did not significantly affect the growth and development of children may be related to poor overall nutritional status of children.