Analysis of monitoring results of iodine deficiency disorders in children aged 8 to 10 years in Longquanyi District from 2017 to 2022
Objective To understand the salt iodine level and iodine nutrition level of Longquanyi District residents,and to provide scientific basis for the sustainable elimination of iodine deficiency disorders and rational iodine supplement.Methods From 2017 to 2022,five primary schools were randomly selected from five towns(townships and subdistricts)in Longquanyi District according to five directions of east,west,south,north and middle each year,and 40 children aged 8 to 10 were selected from each primary school(age and gender were evenly divided).Edible salt and urine samples were collected to detect the content of salt iodine and urine iodine,the size of thyroid was measured by type B ultrasound method,and the SPSS 21.0 statistical software was used for statistical analysis,P＜0.05 was considered statistically significant.Results A total of 1 200 children aged 8 to 10 years were investigated from 2017 to 2022,1200 samples of edible salt and urine were collected,respectively.There were two samples of non-iodized salt,and the coverage rate of qualified iodized salt was 99.8％,the consumption rate of qualified iodized salt was 97.5％.The median of urinary iodine was 159.2 μg/L,In 2017 and 2020,a total of 400 children were examined by B ultrasound for thyroid volume,and the goiter rates were 2.0％and 0.5％,the rate of goiter was not related to gender(x2=1.212,P=0.271).Conclusions The iodine nutrition level of children aged 8-10 years old was adequate in Longquanyi district,but the monitoring of iodine nutrition needs to be further strengthened,at the same time,the risk of iodine overdose in children should be vigilant.
NETL
NSTL
万方数据
