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目的分析罗定市城乡居民碘营养状况和碘缺乏病病情消长趋势,评价实施食盐加碘近20年后碘缺乏病的防控效果。方法在全市按东、西、南、北、中5个方位各随机抽取1个镇/街,每个镇/街随机抽取4个行政村(居委会),每个行政村(居委会)随机抽检15户居民家中食盐样本进行盐碘含量检测;每个镇/街各随机抽取1所小学,每所小学各随机抽取40名8~10岁学生(男、女各半)进行甲状腺肿大率和尿碘水平监测;在所抽取的每个镇/街中各随机抽取20名孕妇尿样进行尿碘含量检测。结果共检测盐样300份,碘盐覆盖率为97.67%(293/300),碘盐合格率为99.32%(291/293),居民户合格碘盐食用率为97.00%(291/300)。共检测200份8~l0岁学生尿样,尿碘中位数为142.45μg/L。用触诊法检查8~l0岁学生200人,甲状腺肿大率为0。共检测孕妇尿样100份,尿碘中位数为101.00μg/L。结论罗定市碘缺乏病防治措施落实较好,8~10岁儿童尿碘水平处于适宜状态,儿童甲状腺肿大率控制在低水平,已达到国家碘缺乏病消除标准,但孕妇碘摄入量不足。
Objective To analyze the trend of iodine nutrition and iodine deficiency disorders in urban and rural residents in Luoding and to evaluate the prevention and control of iodine deficiency disorders after salt iodization in recent 20 years. Methods A total of 1 towns / street was randomly selected from 5 directions in the east, west, south, north and south of the city and 4 administrative villages (neighborhood committees) were randomly selected for each town / street. Each administrative village (neighborhood committee) randomly selected 15 Salt samples of households were measured for salt and iodine content. One primary school was randomly selected in each town / street. 40 pupils (male and female) randomly selected from each primary school were randomly selected for goiter and urine Iodine level monitoring; urine samples of 20 pregnant women were randomly selected from each town / street for urine iodine detection. Results A total of 300 samples of salt were detected. The coverage of iodized salt was 97.67% (293/300). The pass rate of iodized salt was 99.32% (291/293). The consumption rate of qualified iodized salt was 97.00% (291/300). A total of 200 urine samples from 8 to 10 years old students were detected. The median urinary iodine was 142.45μg / L. With palpation method to check the 8 ~ l0-year-old 200 students, goiter rate of 0. A total of 100 urine samples were detected in pregnant women, urinary iodine median was 101.00μg / L. Conclusion The prevention and cure measures of Iodine Deficiency Disorders in Luoding City are well implemented. The urinary iodine level is suitable for children aged 8-10 years. The goiter rate of children is controlled at a low level, which has reached the national standard of eliminating iodine deficiency disorders. However, iodine intake insufficient.