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目的为全面了解许昌市碘缺乏病防治效果,掌握碘盐新标准实施后,8-10岁儿童及孕妇碘营养水平,为科学调整干预策略提供依据。方法在许昌市6个县(市、区)按照随机抽样的方法,抽取30个乡(镇),120个行政村,共1 800户居民家中食盐样品,定量检测盐碘含量;随机抽取1 567名8-10岁儿童,检测尿碘含量,并用触诊法检查甲状腺;随机抽检605名孕妇的尿样,检测尿碘含量。结果共检测居民用户食用盐样1 800份,合格碘盐食用率为91.50%,碘盐覆盖率为97.17%;触诊法检查1 567名8-10岁儿童甲状腺肿,肿大率为1.08%;共检测8-10岁儿童尿样1 567份,尿碘中位数为216.7μg/L,男童尿碘中位数为223.9μg/L,高于女童尿碘中位数207.3μg/L(Z=3.935,P﹤0.001);检测孕妇尿样605份,尿碘中位数为174.7μg/L。结论许昌市碘缺乏病防治各项指标达到全国消除碘缺乏病标准,仍应充分发挥健康教育的作用,达到持续消除碘缺乏危害的目的。
Objective To fully understand the effect of prevention and treatment of iodine deficiency disorders in Xuchang City and to master the iodine nutrition level of children aged 8-10 years and pregnant women after the implementation of the new standard of iodized salt to provide basis for the scientific adjustment of intervention strategies. Methods The samples of salt in 30 villages (towns), 120 administrative villages and 1 800 households were sampled in six counties (cities and districts) in Xuchang City to quantitatively measure salt and iodine content. A random sample of 1 567 Name 8-10-year-old children, urine iodine detection, and palpation of the thyroid by palpation; random sampling of 605 pregnant women, urine samples, urine iodine detection. Results A total of 1 800 inhabitants were tested for salt intake, the rate of qualified iodized salt was 91.50% and the coverage of iodized salt was 97.17%. The palpation of 1 567 children aged 8-10 was examined by palpation. The swelling rate was 1.08% ; A total of 1 567 urine samples from 8 to 10 years old children were detected. The median urinary iodine was 216.7 μg / L. The urinary iodine median of boys was 223.9 μg / L, higher than that of girls with iodine 207.3 μg / L (Z = 3.935, P <0.001). The urine samples of pregnant women were detected in 605 samples and the median urinary iodine was 174.7 μg / L. Conclusion The indicators of prevention and treatment of iodine deficiency disorders in Xuchang City have reached the national standard of eliminating iodine deficiency disorders and should give full play to the role of health education so as to achieve the goal of continuously eliminating the iodine deficiency endangerment.