渭南市2013～2015年碘缺乏病监测结果分析

Analysis on the Survey Results of Iodine Deficiency Disorders in Weinan City From 2013 to 2015

目的了解陕西省渭南市碘缺乏病防治现状。方法 2013~2015年,按照《全国碘盐监测方案》在渭南市10个县（区）开展碘盐监测、儿童甲状腺触诊调查。调查对象为学生、孕妇,每个县（区）按层各抽取8~10岁儿童、孕妇各60名,采集尿样测定尿碘。尿碘测定采用砷铈催化分光光度法。结果 2013~2015年,10个县（区）碘盐覆盖率为99.75%（8 976/9 000）,碘盐合格率98.56%（8 841/8 976）,合格碘盐食用率98.32%（8 841/9 000）。8~10岁儿童甲状腺肿大率1.18%（加权甲肿率1.29%）,均〈5%的国家标准。2013~2015年,8~10岁儿童尿碘中位数258.14μg/L,尿碘≥300μg/L的比例占到了48.38%;孕妇尿碘中位数为230.23μg/L,孕妇尿碘水平标准量为（150~250μg/L）。结论渭南市学生碘营养总体上超出标准水平,孕妇尿碘水平为适宜。现行碘营养水平有下调的空间,但要充分考虑不同地区和不同人群碘需求的差别,建议密切关注特殊人群的碘营养水平。

Objective In order to understand the present situation of iodine deficiency disorders in Weinan city of Shanxi Province.MethodsAccording to the requirements of IDD monitoring program, during 2013~2015, iodized salt monitoring and children palpation of the thyroid gland were carried out. Students aged 8 to 10 and pregnant women were selected by layer from every district and each group had 60 cases. Using arsenic cerium catalytic spectrophotome try to test urine iodine.Results During 2013~2015, among 10 districts of Weinan City, the coverage rate of iodized salt was 99.75% （8 976/9 000）.The qualification rate of the iodized salt was 98.56%（8 841/8 976）. The edible rate of qualified iodized salt was 98.32%（8 841/9 000）. The goiter rate of students aged 8 to 10 was 1.18%（weighted goiter rate was 1.29%）, and the results were less than 5% of the national standard. The median urinary iodine of students aged 8 to 10 was 258.14 μg/L. The urinary iodine ratio which was greater than 300 μg/L was 42.38%, the median urinary iodine of pregnant women was 230.23μg/L, and urine iodine amount of pregnant women was at appropriate level（150~250μg/L）.Conclusion Iodine nutrition of students in general beyond the appropriate level in Weinan City, and urine iodine level of pregnant women is appropriate. The current iodized salt concentration has cut space, but the difference of different iodine deficiency area and populations of iodine requirements should be taken into ful account. It should keep an eye on the iodine nutrition level of special population in the future.