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目的客观评价驻马店市2014年居民食用碘盐、重点人群碘营养状况,为干预策略提供科学依据。方法根据《河南省碘缺乏病监测方案》和《河南省2014年重点人群碘营养监测方案》抽取居民户碘盐和重点人群尿样,按照GB/T13025.7-2012直接滴定法测定盐碘;按照WS/T107-2006砷铈催化分光光度法测定尿碘。结果全市八县一区共检测盐样2700份,其中合格碘盐2542份,不合格碘盐140份,非碘盐18份。碘盐监测覆盖率99.3%、碘盐合格率94.8%、合格碘盐食用率94.1%。全市重点人群共检测尿样1 300份,新婚育龄妇女、孕妇、8~10岁儿童三类人群的尿碘中位数分别为189.1、164.0、203.3μg/L。结论驻马店市碘盐质量符合国家碘缺乏病消除标准。三类重点人群碘营养状况良好,但是孕妇尿碘值<150.0μg/L的比例较高,所以应加强对孕妇等重点人群碘营养状况的监测,防止碘缺乏或碘过量。
Objective To objectively evaluate the iodine nutrition status of residents in Zhumadian City in 2014 and to provide scientific basis for intervention strategies. Methods Urine samples of iodized salt and key population of residents were extracted according to “Monitoring program of iodine deficiency disorders in Henan Province” and “Monitoring program of iodine nutrition of key populations in Henan Province in 2014”, and salt iodine was determined by direct titration according to GB / T13025.7-2012. Determination of urinary iodine according to WS / T107-2006 arsenic and cerium catalytic spectrophotometry. Results A total of 2700 salt samples were detected in eight counties and one district in the city, including 2542 qualified iodized salt, 140 unqualified iodized salt and 18 non-iodized salt. Iodine salt monitoring coverage 99.3%, iodized salt pass rate of 94.8%, qualified iodized salt consumption 94.1%. The city’s key population of urine samples were detected 1 300, new women of childbearing age, pregnant women, children aged 8 to 10 three groups of urinary iodine median were 189.1,164.0,203.3μg / L. Conclusion The quality of iodized salt in Zhumadian conforms to the national standard for eliminating iodine deficiency disorders. Three groups of key population iodine nutrition is good, but pregnant women urinary iodine value <150.0μg / L a higher proportion, it should be strengthened for pregnant women and other key populations iodine nutrition monitoring, to prevent iodine deficiency or iodine excess.