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目的:了解桐乡市食盐加碘情况与儿童碘营养状况,评价碘缺乏病防治效果,为食用盐碘含量的调整和碘缺乏病防治工作提供科学依据。方法:根据《全国碘缺乏病监测方案(试行)》标准进行监测,对居民户进行碘盐抽样监测,随机抽取9个镇(街道),36个行政村,每村随机抽取8户居民盐样;按东西南北中方位,抽取5所镇(街道)中心小学,对8～10岁在校学生进行甲状腺肿大率和尿碘水平监测。结果:2009-2011年桐乡市居民合格碘盐食用率为95.16%,8～10岁儿童甲状腺肿大率为4.47%,尿碘中位数195.14μg/L,碘营养总体适宜,但有二年儿童尿碘中位数超过200μg/L,处于超足量水平。结论:建议按GB 26878—2011食用盐碘含量国家标准调整食用盐加碘浓度,以保持人群碘营养适宜水平。
OBJECTIVE: To understand iodized salt status and iodine nutrition in Tongxiang City, evaluate the effect of iodine deficiency disease control, and provide a scientific basis for the adjustment of iodine content in iodized salt and prevention and treatment of iodine deficiency disorders. Methods: According to the “National Iodine Deficiency Disease Surveillance Program (Trial)” standard monitoring, sampling of iodized salt monitoring of residents, randomly selected 9 towns (streets), 36 administrative villages, each village randomly selected 8 households salt samples ; According to the orientations of south, north and central China, five towns (streets) Central Primary Schools were selected to monitor the goiter rate and urinary iodine level of school-aged children aged 8-10 years. Results: In 2009-2011, the iodized salt consumption rate of Tongxiang residents was 95.16%, that of goat children aged 8-10 years was 4.47%, and the median of urinary iodine was 195.14μg / L. The iodine nutrition was generally suitable, but there was two years Children with urinary iodine median more than 200μg / L, in excess of the level. Conclusion: It is recommended to adjust the iodine concentration of edible salt according to GB 26878-2011 national standards of iodine content of edible salt in order to maintain appropriate level of iodine nutrition in the population.