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首页> 外文期刊>Biological trace element research >Iodine Status of Vulnerable Populations in Henan Province of China 2013-2014 After the Implementation of the New Iodized Salt Standard
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Iodine Status of Vulnerable Populations in Henan Province of China 2013-2014 After the Implementation of the New Iodized Salt Standard

机译：新碘盐标准实施后河南省2013-2014年弱势群体碘状况

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摘要

The standard of salt iodine content in China has been adjusted several times since implementation of the universal salt iodization (USI) in 1995. The new standard of iodized salt content was adjusted from 35 +/- 15 to 30 +/- 9 mg/kg in Henan province in 2012. We aimed to determine whether the vulnerable populations were iodine sufficient after the adjustment of salt iodine content and to provide a guideline for the adjustment of USI policy in China. Two cross-sectional surveys of iodine status in vulnerable populations, including reproductive-age, pregnant and lactating women, infants < 2 years, and children aged 8-10 years, were conducted in Henan province in 2013 and 2014. In 2013, the median urinary iodine concentration (mUIC) of reproductive-age women was 200.1 mu g/L and that of school children aged 8-10 years was 221.0 mu g/L. These mUICs were considered as "more than adequate." The mUICs of reproductive-age women and school children in 2014 showed a significant decline compared to the mUICs in 2013 (P = 0.012 and P = 0.001, respectively). The mUICs of the pregnant women were 204.2 mu g/L in 2013 and 202.5 mu g/L in 2014, which both met the requirement level recommended by WHO. In 2013, the mUIC of lactating women was 169.1 mu g/L and that of infants < 2 years was 203.2 mu g/L, which were significantly lower than that of 2014 (P < 0.001 and P < 0.001, respectively). The lactating women and infants in 2013 and 2014 were both regarded as "iodine adequate." Iodine status of the vulnerable populations is still adequate as a whole in Henan province after decreasing the salt iodine content. However, the mUIC of school children aged 8-10 years is slightly above the adequate level. To reduce the risk of iodine excess in the general population and prevent the possibility of iodine deficiency of the vulnerable population, it is necessary to explore the appropriate level of iodized salt content.
机译：自1995年实施通用盐碘化（USI）以来，中国对盐碘含量的标准进行了数次调整。新的碘盐含量标准从35 +/- 15调整为30 +/- 9 mg / kg我们的目标是确定2012年河南省盐碘含量调整后脆弱人群的碘水平是否足够，并为中国USI政策的调整提供指导。 2013年和2014年在河南省进行了两项横断面调查，包括育龄妇女，孕妇和哺乳期妇女，2岁以下的婴儿以及8-10岁的儿童等脆弱人群的碘状况。2013年，中位数育龄妇女的尿碘浓度（mUIC）为200.1微克/升，而8-10岁的学龄儿童的尿碘浓度为221.0微克/升。这些mUIC被认为“绰绰有余”。与2013年的mUIC相比，2014年育龄妇女和学龄儿童的mUIC显着下降（分别为P = 0.012和P = 0.001）。孕妇的mUICs在2013年为204.2微克/升，在2014年为202.5微克/升，均符合世卫组织建议的水平。 2013年，哺乳期妇女的mUIC为169.1μg / L，<2岁婴儿的mUIC为203.2μg / L，显着低于2014年（分别为P <0.001和P <0.001）。 2013年和2014年的哺乳期妇女和婴儿均被视为“碘充足”。降低碘盐含量后，河南省弱势群体的碘水平总体上仍然足够。但是，8-10岁小学生的mUIC略高于适当水平。为了减少普通人群中碘过量的风险并防止弱势人群碘缺乏的可能性，有必要探索适当的碘盐含量水平。

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