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目的掌握南通市消除碘缺乏病目标后碘缺乏病(IDD)防治现状,并对现行干预措施予以评价,为碘缺乏病防治工作提供科学依据。方法采用人口比例概率抽样方法 (PPS)抽取30个调查点,采用外环境水碘、盐碘、8~10岁儿童甲状腺肿大率和尿碘指标进行评价。结果共监测学校饮用水样60份,水碘中位数6.85μg/L。监测学生家中食用盐样1 500份,盐碘中位数25.7 mg/kg,碘盐覆盖率98.5%,碘盐合格率98%,居民户合格碘盐食用率96.5%。触诊1 500名8~10岁学生甲状腺,甲肿率1%。监测学生、育龄妇女尿样各600份,尿碘中位数分别为218.35μg/L、198μg/L,学生、育龄妇女尿碘中位数<100μg/L的分别占5.3%、11%。结论南通市碘缺乏病防治工作成效显著,各项指标均达到国家碘缺乏病消除标准,人μμμ群碘营养总体充足,建议加强环境碘状况和不同人群碘营养水平监测。
Objective To understand the current status of prevention and treatment of iodine deficiency disorders (IDD) after eliminating the target of iodine deficiency disorders in Nantong City and to evaluate the current interventions so as to provide a scientific basis for the prevention and control of iodine deficiency disorders. Methods PPS was used to select 30 investigation points. Water iodine and salt iodine were used in the external environment, and goiter rates and urinary iodine indexes of children aged 8 to 10 years were evaluated. Results A total of 60 drinking water samples were collected from schools and the median water iodine concentration was 6.85 μg / L. Monitoring students at home, 1 500 samples of salt, salt median iodine 25.7 mg / kg, iodized salt coverage of 98.5%, iodized salt pass rate of 98%, household consumption of iodized salt 96.5%. Palpation of 1 500 students aged 8 to 10 thyroid gland, the rate of 1%. The urine samples of 600 students of child-bearing age and monitoring were 218.35μg / L and 198μg / L respectively. The median urinary iodine <100μg / L of students and childbearing women accounted for 5.3% and 11% respectively. Conclusion The prevention and treatment of iodine deficiency disorders in Nantong City have achieved remarkable results. All the indicators have reached the national standard for eliminating iodine deficiency disorders. The overall population of iodine in human μμμ groups is adequate. It is suggested that the monitoring of environmental iodine status and iodine nutrition in different populations be strengthened.