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目的了解上海市青浦区居民的碘营养状况,为分类指导、科学补碘提供依据。方法采用分阶段多层随机抽样法,抽取青浦镇和朱家角镇普通人群(5～70岁)403名,孕妇和乳母各20名,对居民的尿碘、水碘、盐碘进行调查,采用砷铈催化分光光度法测定尿碘,分光光度法测定水碘,直接滴定法测定盐碘。结果青浦区441份水碘浓度中位数为12.77μg/L,食用盐408份碘浓度中位数29.05 mg/kg,居民尿碘中位数为149.02μg/L。443份尿样尿碘<100μg/L的比例为27.2%,尿碘≥300μg/L的比例为10.3%;其中8～10岁儿童、孕妇和乳母尿碘中位数分别为146.15、117.77、99.49μg/L。结论青浦区居民碘营养总体水平处于较适宜水平,但孕妇乳母碘营养不足,需进行强化补碘。
Objective To understand the iodine nutrition status of residents in Qingpu District of Shanghai and to provide basis for classification guidance and scientific iodization. Methods A total of 403 pregnant women, 20 pregnant women and 20 lactating women from Qingpu Town and Zhujiajiao Town were enrolled in this study. Urinary iodine, iodine, iodine and iodine were investigated by inhabitants. Arsenic Determination of urinary iodine by cerium catalytic spectrophotometry, water iodine by spectrophotometry and salt iodine by direct titration. Results The median concentration of iodine in 441 samples was 12.77 μg / L in Qingpu District, and the median of iodine concentration in 408 samples was 29.05 mg / kg. The median urinary iodine was 149.02 μg / L. 443 urinary iodine <100μg / L ratio was 27.2%, urinary iodine ≥ 300μg / L ratio was 10.3%; among 8 to 10 years old children, pregnant women and lactating urine iodine median were 146.15,117.77,99.49 μg / L. Conclusion The overall level of iodine nutrition of residents in Qingpu District is at a more appropriate level, but the iodine nutrition of pregnant women is not enough, so iodine supplement should be strengthened.