2015～2017年天津市东丽区居民碘营养水平分析

Analysis on iodine nutrition level of residents in Dongli District of Tianjin City from 2015 to 2017

目的了解天津市东丽区8-10岁儿童与孕妇碘营养水平及动态趋势,为进一步加强地方病防治提供科学依据。方法按照东、西、南、北、中地理位置,在东丽区所辖范围内每年抽取5个街道,每个街道抽取40名8~10岁儿童以及20名孕妇,监测其尿中碘含量,采用甲状腺B超法监测儿童甲状腺肿大情况;每个街道抽取60户居民家中食用盐监测盐碘含量。结果2015~2017年东丽区儿童尿碘中位数为161.8μg/L,甲状腺容积合格率为97.04%;2015~2017年儿童尿碘中位数分别为205.5、183.5、132.0μg/L;甲状腺容积合格率分别为97.92%、96.02%、97.00%。2015~2017年东丽区孕妇尿碘中位数为135.7μg/L;2015~2017年孕妇尿碘中位数分别为170.8、152.2、139.7μg/L。结论天津市东丽区儿童碘营养摄入量适宜,2017年孕妇碘营养摄入量不足;儿童和孕妇尿碘营养水平呈下降趋势。

Objective to understand the iodine nutrition level and dynamic trend of 8-10 years old children and pregnant women in Dongli District of Tianjin,so as to provide scientific basis for further prevention and treatment of endemic diseases.Methods According to geographical distribution,5 streets were sampled in Dongli district every year,and 8-10 years old children and 100 pregnant women were selected from each street.The iodine content in urine was monitored,and thyroid enlargement in children was monitored by thyroid B ultrasonic.The contents of potassium iodide in their homes were monitored by a number of residents in each street.Results The median urine iodine of children was 161.8 μg/L,and the qualified rate of thyroid volume was 97.04 %.The median urine iodine of children in 2015 was 205.5 μg/L,183.5 μg/L and 132 μg/L,respectively.The qualified rate of thyroid volume was 97.92 %,96.02 % and 97 %,respectively.The median urine iodine of the pregnant women was 135.7 μg/L.The median urine iodine of pregnant women in 2015 was 170.8 μg/L,152.2 μg/L and 139.7 μg/L,respectively.Conclusion The iodine intake of children in Dongli is suitable,and the iodine intake of pregnant women in 2017 is insufficient.The nutritional level of urine iodine was declining in children and pregnant women.