新国标碘盐浓度下贵州省儿童、孕妇碘营养状况调查  

Iodine nutrition of schoolchildren and pregnancy women after implementation new national standard of iodized salt,Guizhou

作　　者：周德梅[1] 孟凡刚[2] 杨宇[1] 安冬[1] 姚丹成[1] 李晓松[1] 

机构地区：[1]贵州省疾病预防控制中心,贵州贵阳550004 [2]中国疾病预防控制中心地方病控制中心,黑龙江哈尔滨150086

出　　处：《现代预防医学》2016年第11期1948-1951,共4页Modern Preventive Medicine

摘　　要：目的了解和掌握新国标碘盐浓度（GB26878-2011）实施后贵州省儿童、孕妇碘营养状况及其碘缺乏病病情动态,完善长效防控机制,为制定碘缺乏病防制策略提供依据。方法采取人口比例概率抽样方法（PPS）,在全省抽取30个县（市、区）,每个县（市、区）随机抽取1所小学,每所小学抽取8-10岁儿童50名（男女各半、各年龄组均匀分布）,B超检查甲状腺容积,检测尿碘及其家中食盐碘含量;在抽中小学所在乡（镇、街道办事处）随机采集20名孕妇即时尿样1份,检测尿碘含量。结果共检查8-10岁儿童1 536名,甲状腺肿大13人,甲状腺肿大率为0.85%;检测儿童尿样1 538份,尿碘中位数为218.3μg/L;检测居民户食用盐样1 538份,盐碘中位数为26.6mg/kg,碘盐覆盖率为99.6%,合格碘盐食用率92.1%,非碘盐率为0.4%。检测孕妇尿样594份,尿碘中位数为175.6μg/L。结论我省实行的新国标碘盐浓度基本满足儿童、孕妇碘营养需求,人群碘营养水平总体适宜、平稳。Objective To investigate and analyze Iodine nutritional status of children and pregnant women after implementation of a new standard of iodized salt in Guizhou Province,to improve the prevention and control mechanism,and continuously to eliminate the iodine deficiency disorders.Methods Using population probability proportional to size sampling method（PPS）,30 counties（cities,districts） in Guizhou Province were selected,one primary school was selected in each county（city,district）,fifty aged 8-10 students（50% of male and 50% of female） were selected in each school.Their thyroid volumes were checked with B ultrasound,their urinary iodine concentration and salt iodine content in the household were tested.Twenty urine samples were collected from pregnant women in each township（town,community） for testing as well.Results 1 536 children aged 8-10 years old were examined by palpation,13 children had a goiter,and the goiter rate was 0.85%.1538 urine samples of children aged 8-10 years old were tested and the median of urinary iodine was 218.3μg/L.A total of 1538 salt samples were tested,the median of salt iodine was 26.6 mg/kg,and the coverage rate of iodized salt was 99.6%.The rate of qualified iodized salt was 92.1%,and the non- iodized salt rate was 0.4%.594 urine samples of pregnant women were monitored,and the median of urinary iodine was 175.6μg/L.Conclusion The standard of eliminating the sustainable iodine deficiency disorders is achieved.The new standard of salt is suitable for iodine nutritional needs of children and pregnant women basically,and the iodine nutrition status is suitable and stable in general.

关 键 词：新国标碘盐 儿童 孕妇 碘营养 

分 类 号：R17[医药卫生—妇幼卫生保健]