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目的了解浙江省不同地区学龄儿童碘营养状况,为碘缺乏病防治工作提供科学依据。方法整群抽取浙江省11个地市8～10岁学龄儿童共689名进行甲状腺B超检查,同时采集尿液及当地家庭食用盐、饮用水进行碘含量检测。结果浙江省盐碘中位数为28.80 mg/kg,碘盐覆盖率为79.54%;水碘中位数为2.42μg/L。学龄儿童尿碘中位数为180.50μg/L,其中沿海地区为160.91μg/L,次沿海地区为174.31μg/L,内陆地区为227.00μg/L;学龄儿童甲状腺肿大率为10.45%。结论浙江省自然外环境处于碘缺乏状态,学龄儿童碘营养状况较好,但沿海地区碘盐覆盖率较低。应进一步加强合格碘盐的供应和监测工作。
Objective To understand the iodine nutrition status of school-age children in different areas in Zhejiang Province and to provide a scientific basis for the prevention and control of iodine deficiency disorders. Methods A total of 689 school-age children aged 8-10 years from 11 cities of Zhejiang Province were enrolled in this study. B-ultrasonography was performed on the thyroid gland. Meanwhile, iodine and urine were collected from urine and local families. Results The median of salt iodine in Zhejiang was 28.80 mg / kg, the coverage of iodized salt was 79.54%, and the median of iodine in water was 2.42 μg / L. The urinary iodine median of school-age children was 180.50μg / L, which was 160.91μg / L in coastal area, 174.31μg / L in secondary coastal area and 227.00μg / L in inland area. The goiter rate in school-aged children was 10.45%. Conclusion The external environment of natural environment in Zhejiang Province is in the state of iodine deficiency. The iodine nutrition status of school-age children is better, but the coverage of iodized salt in coastal areas is lower. Should further strengthen the supply of iodized salt and monitoring.