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目的了解三明市实施碘盐新标准前后的碘缺乏病病情监测情况,为制订防控策略提供依据。方法通过碘盐覆盖率、碘盐合格率、合格碘盐食用率、甲状腺肿大率和尿碘浓度等指标,比较实施碘盐新标准前后2011年与2013、2014年三明市居民碘缺乏病病情变化。结果碘盐覆盖率、碘盐合格率、合格碘盐食用率均保持在97%以上,与2011年相比,2013、2014年8~10岁儿童甲状腺肿大率无明显变化,8~10岁儿童尿碘中位数显著下降,除2014年孕妇尿碘中位数未能达到该群体>150μg/L的标准且较2011年显著下降外,其余年份的孕妇、哺乳期妇女尿碘中位数均处于适宜状态。结论碘盐浓度下调后,三明市一般人群碘营养处于适宜水平,孕妇面临碘缺乏风险。
Objective To understand the status of iodine deficiency disorders before and after the implementation of the new iodized salt standard in Sanming City, so as to provide the basis for making prevention and control strategies. Methods The iodine deficiency rate in residents of Sanming City was compared between 2011 and 2013 and 2014 before and after the implementation of the new standard of iodized salt through the coverage of iodized salt, the qualified rate of iodized salt, the rate of qualified iodized salt, the rate of goiter and urinary iodine Variety. Results The coverage rate of iodized salt, the qualified rate of iodized salt and the rate of qualified iodized salt were both kept above 97%. Compared with 2011, there was no significant change in the goiter rate among children aged 8 to 10 years in 2013 and 2014, The median urinary iodine in children dropped significantly. Except for the median urinary iodine of> 150 μg / L for pregnant women in 2014, which was significantly lower than that of 2011, the median urinary iodine in pregnant women and lactating women in other years All in the right condition. Conclusion After the iodized salt concentration is reduced, the iodine nutrition of the general population in Sanming City is at an appropriate level, and pregnant women are at risk of iodine deficiency.