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目的了解桐乡市通过消除碘缺乏病中期评估后,碘缺乏病的流行动态,探讨可持续消除碘缺乏病工作机制。方法对居民户进行碘盐随机和重点抽样监测,共抽取9个镇(街道),36个行政村,588户居民食用盐,同时采集育龄妇女尿样147份;抽取5所小学,对8～10岁在校学生进行甲状腺肿大率检查(触诊法、B超法),并从B超学生中,采集尿样150份(男女性各半)进行尿碘检测。结果居民合格碘盐食用率分别为94.79%、92.67%。8～10岁儿童甲状腺肿大率触诊法为3.27%,B超法为8.91%;育龄妇女和儿童尿碘中位数分别为198.32μg/L,171.10μg/L。结论桐乡市目前人群碘营养状况良好,已为足量碘摄入状态且处在安全碘摄入量范围。采取全民食盐加碘对控制碘缺乏危害切实可行,安全可靠。
Objective To understand the epidemiological status of iodine deficiency disorders (IDD) prevalence in Tongxiang City after eliminating mid-term assessment of iodine deficiency disorders and to explore the working mechanism of sustainable elimination of iodine deficiency disorders. Methods A random sampling of iodized salt and monitoring of key samplings were conducted. A total of 9 towns (streets), 36 administrative villages and 588 households were sampled for salt intake. 147 urine samples were collected from women of childbearing age. Five primary schools were selected, 10-year-old school students were goiter examination (palpation method, B super-law), and from B-students, urine samples were collected 150 (male and female half) urinary iodine detection. Results Residents qualified iodized salt consumption rates were 94.79%, 92.67%. The prevalence of goiter in children aged 8-10 years was 3.27% by palpation method and 8.91% by B-ultrasound method. The urinary iodine median of women of childbearing age and children were 198.32μg / L and 171.10μg / L, respectively. Conclusion Tongxiang City, the current population of iodine nutrition is good, enough iodine intake and safety iodine intake in the range. Adopting universal salt iodization is feasible and safe for the control of iodine deficiency.