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目的了解景宁县居民碘营养适宜水平,指导景宁县居民合理补碘。方法按照国家所有非高碘县(市、区)居民户食用盐监测方案要求,在景宁县21个乡镇(街道)随机抽样300户居民、100名孕妇、209名8~10岁小学生和1家食盐批发企业。按照直接滴定法(川盐及其它强化食用盐采用仲裁法)测定盐中碘含量;尿碘化验用砷铈氧化反应法;采用触摸法进行甲状腺肿检查。结果景宁县居民盐碘中位数为22.9 mg/kg,小学生和孕妇尿碘中位数(MUI)分别为196.80μg/L和209.87μg/L。孕妇缺碘情况比小学生严重,其碘适宜率低于小学生组而碘缺乏率高于小学生组(P<0.01)。8~10岁小学生甲状腺肿大率为1.91%。结论景宁县居民碘营养处于适宜水平,应继续做好碘盐监测管理和健康教育工作。
Objective To understand the appropriate level of iodine nutrition for residents in Jingning County and to guide the residents in Jingning County to rationally supplement iodine. Methods According to the requirements of monitoring salt consumption in all non-iodine counties (cities, districts), 300 residents, 100 pregnant women, 209 primary school students aged 8-10 and 1 primary school in 21 townships (streets) in Jingning County were randomly selected. Salt wholesale business. In accordance with the direct titration (Sichuan salt and other fortified edible salt by arbitration method) Determination of iodine in salt; urinary iodine test with arsenic cerium oxidation reaction; the use of touch method for goiter examination. Results The median of iodine and iodine in Jingning residents was 22.9 mg / kg. The median urinary iodine (MUI) of pupils and pregnant women were 196.80μg / L and 209.87μg / L, respectively. Iodine deficiency was more severe in pregnant women than in primary school students, with a lower iodine appropriate rate than the pupil group and a higher iodine deficiency rate than the pupil group (P <0.01). The rate of goiter among 8 ~ 10-year-old pupils was 1.91%. Conclusion The iodine nutrition of residents in Jingning County is at an appropriate level and monitoring and management of iodized salt and health education should be continued.