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目的:通过碘缺乏病监测,了解碘缺乏病病情、居民碘营养状况,为下一步碘缺乏病防治分类指导提供科学依据。方法:抽取2个县开展碘缺乏病病情监测,监测8~10岁儿童甲状腺、尿碘及家中食用盐、孕妇和哺乳期妇女尿碘、人均日食盐摄入量;6个县8~10岁儿童尿碘水平监测。采用B超法,按照地方性甲状腺的诊断标准(WS276-2007)检查甲状腺容积;盐碘采用仲裁法(GB/T13025.7);尿碘含量,采用砷铈催化分光光度法(WS/T 107-2006)测定;水碘含量,采用硫酸铈催化分光光法(GB/T57505-2006)测定;日食盐摄入量采用3日称量法。结果:甲状腺肿大率1.25%(1/80);食用盐碘含量中位数33.65 mg/kg,合格碘盐食用率96.3%(77/80);2个病情监测县8~10岁儿童尿碘中位数385.55μg/L,300μg/L以上的占66.7%;检测孕妇尿碘中位数320.8μg/L,300μg/L以上的占53.3%;检测哺乳期妇女尿碘中位数243.875μg/L,300μg/L以上的占26.7%;6个县8~10岁儿童尿碘水平检测,尿碘中位数318.41μg/L,300μg/L以上的占53.9%;水碘含量平均2.55μg/L。食盐摄入平均8.0 g/人.天。结论:外环境缺碘,碘营养水平超过适宜量,食盐加碘应分类指导。
OBJECTIVE: To understand the status of iodine deficiency disorders and the iodine nutrition status of residents by iodine deficiency disorders surveillance, and provide the scientific basis for the classification and guidance of iodine deficiency disorders prevention and treatment in the future. Methods: The iodine deficiency disorders were monitored in 2 counties. Urinary iodine and per capita edible salt intake of thyroid, urinary iodine, edible salt, pregnant women and lactating women aged 8-10 years were monitored. Six counties aged 8 to 10 Urinary iodine levels in children monitoring. Thyroid volume was examined according to the diagnostic criteria of endemic thyroid (WS276-2007) by using B-ultrasonography; salt iodine was determined by arbitration method (GB / T13025.7); urinary iodine content was determined by arsenic cerium catalytic spectrophotometry (WS / T 107 -2006); water iodine content, the use of cerium sulfate catalytic spectrophotometry (GB / T57505-2006) determination; daily intake of salt by 3 weighing method. Results: The rate of thyroid enlargement was 1.25% (1/80); the median of iodine content in edible salt was 33.65 mg / kg, the rate of qualified iodized salt was 96.3% (77/80); urine of 8 ~ 10 years old children The median of iodine was 385.55μg / L and 66.7% of them were above 300μg / L. The median urinary iodine was 320.8μg / L and 53.3% of pregnant women were detected. The urinary iodine median of pregnant women was 243.875μg / L and 26.7% above 300μg / L. Urinary iodine levels were detected in children aged 8-10 years old in 6 counties with a urinary iodine median of 318.41μg / L and a dose of 300μg / L accounting for 53.9%. Water iodine content was 2.55μg / L. Average salt intake 8.0 g / person. Days. Conclusion: External environment iodine deficiency, iodine nutrition level exceeds the appropriate amount of iodized salt should be classified guidance.