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目的分析2011-2014年常州市重点人群碘营养的变化情况,为科学防治碘缺乏病提供依据。方法2011-2014年在相关区县开展人群碘营养监测,检查学龄儿童甲状腺,检测学龄儿童、育龄妇女尿中碘浓度和家中食盐碘含量。结果 2011-2014年全市学龄儿童甲状腺肿大率分别为0(0/500)、0.1%(1/1 400)、0(0/750)、0.2%(2/1 000)。2011-2014年,盐碘均数分别为31.07 mg/kg、25.86 mg/kg、24.87 mg/kg、26.71 mg/kg;盐碘含量在18~33mg/kg的频率分别为72.5%、88.6%、94.9%、90.5%。2011-2014年学龄儿童尿碘中位数分别为244.80μg/L、225.57μg/L、198.31μg/L、154.23μg/L,逐渐下降;尿碘值在100~199μg/L的分别占29.0%、30.7%、42.7%、43.8%,逐渐升高。育龄妇女尿碘中位数分别为220.80μg/L、160.40μg/L、180.12μg/L、116.26μg/L,呈下降趋势;尿碘值在100~199μg/L的分别占31.0%、43.9%、50.0%、43.0%。结论 2012年盐碘含量调整后,常州市学龄儿童、育龄妇女的尿碘水平呈下降趋势,今后应进一步加强重点人群碘营养监测。
Objective To analyze the changes of iodine nutrition in key population of Changzhou from 2011 to 2014 and provide basis for scientific prevention and treatment of iodine deficiency disorders. Methods From 2011 to 2014, population iodine nutrition monitoring was conducted in the relevant districts and counties. The thyroid gland of school-age children was examined. Urinary iodine concentration and salt iodine content in school-age children and school-age children were detected. Results The goiter rates of school-age children in 2011-2014 were 0 (0/500), 0.1% (1/1 400), 0 (0/750) and 0.2% (2/1 000) respectively. The salt iodine average was 31.07 mg / kg, 25.86 mg / kg, 24.87 mg / kg and 26.71 mg / kg respectively from 2011 to 2014. The salt iodine content was 18.5% and 88.6% at 18-33 mg / kg, 94.9%, 90.5%. The urinary iodine median of school-age children in 2011-2014 were 244.80μg / L, 225.57μg / L, 198.31μg / L and 154.23μg / L respectively, and gradually decreased. The urinary iodine value of 100 ~ 199μg / L accounted for 29.0% , 30.7%, 42.7%, 43.8%, gradually increased. The median urinary iodine in women of childbearing age was 220.80μg / L, 160.40μg / L, 180.12μg / L and 116.26μg / L, respectively. The urinary iodine value was 31.0% and 43.9% , 50.0%, 43.0%. Conclusions After adjustment of salt content in 2012, urinary iodine levels of school-age children and women of childbearing age in Changzhou show a downward trend. Monitoring iodine nutrition in key populations should be further strengthened in future.