2011年陕西省碘缺乏病调查

Investigation on iodine deficiency disorders in Shaanxi in 2011

目的了解陕西省碘缺乏病防治现况。方法于2011年在陕西省抽取30个县30所小学的1260名8—10岁学龄儿童，用触诊法和B超法检查甲状腺肿大情况，检测其家中1260份食盐的碘含量，检测365份尿样碘含量，同时测定451份孕妇和哺乳期妇女尿碘浓度。结果盐碘均值为32．6mg／kg，碘盐覆盖率为99．8％，碘盐合格率为98．3％，合格碘盐食用率为98．1％；8-10岁学龄儿童甲状腺触诊肿大率为4．5％，B超检测肿大率为3．6％；儿童、孕妇、哺乳期妇女尿碘中位数分别为287．9、234．0、238．2μg/L。结论陕西省8—10岁儿童的碘营养处于超适宜水平，孕妇和哺乳期妇女的碘营养处于适宜水平，儿童甲状腺肿大率达标，碘缺乏病得到持续有效控制。

Objective To understand the present status of iodine deficiency disorders in Shaanxi province. Methods Thyroid volume of 1 260 pupils aged 8-10 years were selected from 30 primary schools in 30 counties and was examined by palpation and B uhrasonography and iodine level of salt samples from their families was tested in Shaanxi province in 2011. A total of 365 pupils were selected for testing their urinary iodine levels, meanwhile, 451 pregnant and lactating women were selected to test their urinary iodine levels. Results The mean of sah iodine was 32.6 mg/kg, the coverage of local iodized salt was 99.8%, qualified rate of iodized salt was 98.3%, consumption rate of qualified iodized salt was 98.1%, average goiter rate of students aged 8-10 years by palpation was 4.52% and by B uhrasonography was 3.57%. Medians of children, pregnant and lactating women were 287.9, 234.0 and 238.2 μg/L respectively. Conclusion The iodine nutrition is over appropriate level for pupils aged 8-10 years ,and in appropriate level for pregnant and lactating women. The goiter rate of pupils reaches the standard, iodine deficiency disorders have been controlled sustainably and effectively in Shaanxi province.