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目的了解北京市平谷区学龄儿童、育龄妇女、孕妇的尿碘水平,为重点人群碘缺乏病防治工作提供科学依据。方法分别抽取8～10岁学龄儿童397名、育龄妇女205名和孕妇200名,采用尿碘砷铈催化分光光度测定方法进行尿碘检测。结果学龄儿童的尿碘中位数295.5μg/L,尿碘>100μg/L的比例占93.20%,尿碘>300μg/L的比例占49.12%,尿碘<50μg/L的比例占3.78%;育龄妇女尿碘中位数是438.0μg/L,尿碘>100μg/L的比例占98.05%,尿碘>300μg/L的比例占82.44%,尿碘<50μg/L的比例为零;孕妇尿碘中位数是392.3μg/L,尿碘>100μg/L的比例占98.50%,尿碘>300μg/L的比例占64.00%,尿碘<50μg/L为零。结论平谷区重点人群碘摄入量处于较高水平,碘营养状况稍高于适宜水平。
Objective To understand the level of urinary iodine in school-age children, women of childbearing age and pregnant women in Pinggu District of Beijing, and to provide a scientific basis for the prevention and treatment of iodine deficiency disorders in the key population. Methods 397 school-age children aged 8-10 years, 205 women of childbearing age and 200 pregnant women were enrolled in this study. Urinary iodine was detected by urinary iodine arsenic-cerium catalytic spectrophotometry. Results The urinary iodine median of 295.5 μg / L, urine iodine> 100 μg / L accounted for 93.20%, urinary iodine> 300 μg / L accounted for 49.12% and urinary iodine <50 μg / L accounted for 3.78%. The median urinary iodine of reproductive age women was 438.0μg / L, urinary iodine> 100μg / L accounted for 98.05%, urinary iodine> 300μg / L accounted for 82.44%, urinary iodine <50μg / L ratio was zero; The median of iodine was 392.3μg / L, urinary iodine> 100μg / L accounted for 98.50%, urinary iodine> 300μg / L accounted for 64.00%, urinary iodine <50μg / L was zero. Conclusion The iodine intake of key population in Pinggu District is at a high level, and the iodine nutrition status is slightly higher than the appropriate level.