Hygiene Characteristics Of Urinary Iodine Level In Special People Of Xuyi District From 2015 To 2017

Objectives: The study described the hygiene characteristics of urinary iodine levels in special people and the correlation between thyroid gland volume and urinary iodine levels of children in xuyi district from 2015 to 2017,provided data support for the nutritional assessment of iodine deficiency disorders,monitoring and iodized salt monitoring in the region.Materials and Methods: According to directions of east,south,west,north,and middle,the county is divided into five regions.Each region selects a town as a monitoring point,and a certain number of special needs populations were selected as monitoring targets in each monitoring point.Huanghuatang Town,Xinglong Town,Qiujiai Town,Guanyinsi Town,and Guiwu Town were selected as monitoring sites in 2015.200 children and 100 pregnant women were monitored.In 2016,Weiqiao Town,Gusang Town,Tiefo Town,and Mingzuling Town and Xucheng Town were selected as monitoring sites,200 children and 100 pregnant women were also monitored.In 2017,Gusang Town,Weiqiao Town,Mudian Town,Xinglong Town,and Tianquanhu Town were selected as monitoring sites.Guiwu Town,and Xucheng Town were also included in this survey,322 children and 100 pregnant women were selected for monitoring.The urine sample tests shall be undertaken by county-level or municipal-level urine iodine laboratories that have passed the national or provincial external quality control examination.Urinary iodine was detected using arsenic cerium catalytic spectrophotometry(WS/T 107-2006).Results: 1.In urinary iodine monitoring of children,the median urinary iodine levels for 2015-2017 were 143.2 ?g/L,127.03 ?g/L,and 183.98 ?g/L,respectively,and the mean values were 222.9 ?g/L,144.5 ?g/L,and 202.72 ?g/L,respectively,there was statistically significant difference,other,The distribution of iodine deficiency and iodine excess have differences in 2015-2017,P values were 0.036 and 0.002,respectively.2.In urinary iodine monitoring for pregnant women,the median urinary iodine levels for 2015-2017 were 152.3 ?g/L,111.45 ?g/L,and 158.74 ?g/L,respectively;the averages were 215.07 ?g/L,143.97 ?g/L,and 186.05 ?g/L,respectively,there was also statistically significant difference,the distribution of iodine deficiency had a difference in 2015-2017(P<0.001),there is no statistical difference in the distribution of iodine excess.3.From 2016 to 2017 in Xuyi district,the prevalence of goiter in children were 1.5% and 4.9%,and the averages of thyroid volume was 3.276 ml and 3.252 ml,respectively.There was no statistically significant of the rate of goiter in different of urinary iodine levels.Further,simple correlation analysis showed that there was no correlation between thyroid volume and urinary iodine levels in children.Conclusion: In 2015-2017,the iodine nutrition of 8 to 10 children in Xuyi district was at an appropriate level,but the phenomenon of iodine deficiency and iodine excess still existed.The iodine deficiency of pregnant women was still very serious in those people,so it was necessary to strengthen the iodine supplementation of pregnant women.The incidence of goiter in school-age children aged 8-10 years decreased from more than 20% in 1983 to 11.76% in 1993 and 4.9% now,and there was no significant correlation between thyroid volume and urinary iodine levels.