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[目的]了解黔东南州8～10岁儿童碘营养状况和居民食用盐碘含量,为制定有效的防治措施提供科学依据。[方法]2009年,在黔东南州所辖16县(市)抽取80所小学的8～10岁小学生进行尿碘测定与碘缺乏病知识调查;抽取4680户居民食盐检测碘含量。[结果]检测小学生尿样1600份,尿碘中位数为344.15μg/L,尿碘≥100μg/L、≥300μg/L、≤50μg/L的分别占96.88%、60.88%、0.63%。检测4680户居民的食用盐,碘盐覆盖率为99.83%,碘盐合格率为98.14%,合格碘盐食用率为97.97%,盐碘中位数为31.70mg/kg,碘盐中碘含量超标的占0.15%。[结论]黔东南州各县(市)已经达到消除碘缺乏病标准,部分儿童碘营养水平偏高,碘盐浓度仍有下调空间。
[Objective] To understand iodine nutrition status and iodine content of residents in 8 ~ 10 years old children in Qiandongnan Prefecture and provide scientific basis for effective prevention and control measures. [Methods] In 2009, 80 elementary school students from 8 to 10 years old from 16 counties (cities) under the jurisdiction of Qiandongnan Prefecture were investigated for urinary iodine determination and iodine deficiency disorders knowledge. The salt content of 4680 households was sampled for detection of iodine. [Results] There were 1600 urine samples in primary school with urinary iodine median of 344.15μg / L, urine iodine ≥100μg / L, ≥300μg / L and ≤50μg / L accounting for 96.88%, 60.88% and 0.63% respectively. The coverage rate of iodized salt and salt of 4680 households was 99.83%, the qualified rate of iodized salt was 98.14%, the qualified rate of iodized salt was 97.97%, the median of salt iodine was 31.70mg / kg, the content of iodine in iodine salt exceeded Of the 0.15%. [Conclusion] The counties (cities) in Qiandongnan Prefecture have already reached the standard of eliminating iodine deficiency deficiency. Some children have high level of iodine nutrition and there is still room for downward adjustment of iodine salt concentration.