秦皇岛市2008年农村人群碘营养监测结果

Iodine Nourishment Surveillance among Rural Population in Qinhuangdao City in 2008

目的评价2000年消除碘缺乏病后,秦皇岛市农村居民碘营养状况。方法分别选取8～10岁小学生和育龄妇女各100人,进行甲状腺肿大检查和尿碘检测;甲状腺肿大检查采用触诊法;尿碘检测用改进的酸消化砷—铈法;盐碘检测按GB/T13025.7-1999直接滴定法;水碘检测按砷—铈分光光度法。结果秦皇岛市农村儿童和育龄期妇女尿碘中位数分别为211.26和187.15μg/L,学生尿碘<50μg/L,占6.28%;饮用水水碘中位数为3.74mg/kg;盐碘合格率为96.3%;8～10岁小学生甲状腺肿大率为2.5%。结论秦皇岛市农村属于缺碘地区,通过食盐加碘,学龄儿童和育龄妇女碘营养状况达到适宜水平。

[Objective]To evaluate the iodine nutrition status of rural residents of Qinhuangdao City,after eliminating IDD in 2000.[Methods]The thyroid size of 100 schoolchildren aged 8 to 10 years and women of childbearing age was detected by palpation,improved acid digestion arsenic-cerium method was used for detection of urinary iodine.Salt iodine was measured by direct titration according to the standard of GB/T 13025.7-1999.The level of water iodine was measured by arsenic-cerium spectrophotometry.[Results]The median of urinary iodine of rural children and women of childbearing age was 211.26 μg/L and 187.15 μg/L,respectively.6.28% of the children＇ urinary iodine was lower than 50 μg/L.The median of water iodine was 3.74 mg /kg.The qualified rate of iodine salt was 96.30%.The prevalence rate of goiter in children aged 8 to 10 years was 2.5%.[Conclusion]The rural areas of Qinhuangdao City are Iodine-deficient areas.The iodine nourishment in school-age children and women of childbearing age has reached a suitable level through consumption of iodized salt.