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目的 了解碘盐预防后重、中度缺碘病区出生儿童亚临床损伤状况，评估病区儿重亚克汀病患病率。方法 采用ＣＲＴ－Ｃ２、ＪＰＢ、测听仪、拍Ｘ线片、标准度衡具检测７～１４岁儿童智商、精神运动功能、听力、骨龄、身高和体重。结果 重、中度缺碘病区儿童智商均值９６．４，轻度智力落后率５．８％；轻度智力落后儿重精神运动功能障碍率６１．６％，听力威退率４３．７％，骨龄、身高、体重发育落后率分别为１８．３％、１７．６％、1０．２％；综合判定轻度智力落后儿童伴有神经、甲状腺功能障碍者占７７．４％，只表现为轻度智力落后者占2２．６％；定量计算重、中度病区供应碘盐后出生儿童亚克汀病患病率为４．５％，其中重度、中度病区儿童亚克订病患病率分别为５．２％、３．９％。结沦 长期碘盐预防明显提高了缺碘病区儿童智力水平，降低了儿童亚克汀病患病率，但重度病区儿童亚克汀病患病率仍高于中度病区。
Objective To understand the subclinical injury status of children born after iodized salt prevention in severe and moderate iodine-deficiency areas and to evaluate the prevalence of heavy-cloned diabetic patients in this area. Methods The IQ, psychomotor function, hearing, bone age, height and weight of children aged 7 ~ 14 years old were detected by CRT-C2, JPB, audiometer, X-ray film and standard scale. Results The average IQ of children with moderate and severe iodine deficiency was 96.4 and the rate of mild mental retardation was 5.8%. The mental retardation rate of children with mild mental retardation was 61.6% and the hearing withdrawal rate was 43.7% , Bone age, height and weight were 18.3%, 17.6% and 10.2%, respectively. A total of 77.4% of children with mild mental retardation had neurological and thyroid dysfunction, Mild mental retardation accounted for 22.6%; quantitative calculation of heavy, moderate ward supply iodized salt prevalence of children born with gemcitabine prevalence rate of 4.5%, of which severe, moderate ward children Acre Deficiency The prevalence rates were 5.2% and 3.9% respectively. Conclusion The prevention of iodized salt significantly reduced the intelligence level of children with iodine deficiency and reduced the prevalence of pediatric patients. However, the prevalence of pediatric patients was still higher than that of moderate disease in children with severe illnesses.