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目的评价2011年河北省易县8～10岁学龄儿童碘营养状况,为下一步碘缺乏病防治工作提供科学依据。方法全县按东、西、南、北、中划分为5个抽样片区,在东、西、南、北片区各随机抽取2个乡镇,在中部片区随机抽取1个乡镇,共抽取9个乡镇做为监测点。于监测点随机抽取部分儿童开展甲状腺肿调查、尿碘检测和对儿童家中食用盐进行碘盐监测。结果共调查儿童甲状腺肿1 781人,甲状腺肿大率3.87%;监测尿样100人份,尿碘中位数为204.12μg/L;监测学生家中食用盐1 770份,合格碘盐食用率98.14%。结论目前易县学龄儿童碘营养状况良好,各项指标均达到国家碘缺乏病消除标准,与1993年前比较碘营养状况有显著改善。
Objective To evaluate the iodine nutrition status of school-age children aged 8 ~ 10 in Yi County, Hebei Province in 2011, and provide a scientific basis for the prevention and treatment of iodine deficiency disorders in the future. Methods The county is divided into five sampling areas by East, West, South, North and Central China. Two towns are randomly selected from each of the eastern, western, southern and northern regions. One township is randomly selected from the central region, and nine towns As a monitoring point. Some children were randomly selected from monitoring sites to conduct goiter survey, urinary iodine test and iodized salt monitoring of edible salt in children’s homes. Results A total of 1 781 goiter and 3.87% goiter were investigated in children. 100 urine samples were monitored and the median urinary iodine was 204.12 μg / L. The monitoring of 1 770 servings of salt at home and the consumption rate of qualified iodized salt were 98.14 %. Conclusions At present, the iodine nutrition of school-age children in Yixian County is good, and all the indexes reach the standard of elimination of iodine deficiency deficiency in China. Compared with 1993, the iodine nutrition status has been significantly improved.