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目的了解停供碘盐后沧州市目前水源性高碘地区儿童甲状腺肿病情,为制定防治措施提供科学依据。方法按《全国碘缺乏病监测方案》在沧州市10个水源性高碘县(市、区)进行居民无碘食盐检测;在水碘含量100.0-1 100.0μg/L范围内抽取9个水源性高碘病情监测点,每个监测点随机抽取8-10岁儿童100名,其中,男、女各50名;用B超法检测甲状腺容积;随机抽取其中不少于50名儿童(男、女各半)检测尿碘含量;每个监测村采集2份末梢水水样,测定水碘含量;学校饮用净化水的采集1份水样,测水碘含量。结果 10个高碘县(市、区)共采集居民户食用盐2 580份,其中,无碘食盐2 416份,无碘食盐率为93.64%;9个水源性高碘病情监测点对925名儿童进行了甲状腺容积检测,甲状腺肿大116例,总甲肿率为12.54%,采集儿童尿样542份,尿碘中位数为536.0μg/L;水碘值在100.0-500.0μg/L的监测点儿童甲肿率与水碘值在500.0-1 096.0μg/L的监测点儿童甲肿率具有统计学差异(χ2=40.17,Ρ<0.01)。结论水源性高碘地区停供碘盐措施后,水碘值在100.0-500.0μg/L的监测点儿童甲肿病情较轻,水碘值≥500.0μg/L的地区病情仍较为严重。
Objective To understand the condition of goiter in children with high iodine level in Cangzhou City after cessation of supply of iodized salt, so as to provide a scientific basis for making prevention and control measures. Methods The iodine-free salt was detected in 10 water-high iodine counties (cities and districts) in Cangzhou City according to the “National Monitoring Program for Iodine Deficiency Disorders”. Nine water-sources were collected in the range of 100.0-1 100.0 μg / L High iodine disease monitoring points, each monitoring point randomly selected 100 children aged 8-10, of which 50 were male and female; thyroid volume was detected by B-ultrasound; of which at least 50 children (male and female Each half) to detect urinary iodine content; each monitoring village collected 2 peripheral water samples, determination of water iodine content; school drinking purified water collection 1 water samples, measuring water iodine content. Results A total of 2 580 household salt samples were collected from 10 high iodine counties (cities and districts), of which 2,416 were iodine-free and 93.64% were iodine-free, 9 9 Thyroid volume was detected in 116 children with thyroid enlargement (12.54%). A total of 542 urine samples were collected from children with a urinary iodine median of 536.0 μg / L. The iodine value of water was 100.0-500.0 μg / L There was a statistically significant difference in the rate of children with and / or with iodine (500.0-1 096.0 μg / L) at the monitoring sites (χ2 = 40.17, P <0.01). Conclusion After stopping the iodized salt measures in water-rich high-iodine areas, children with mild iodophoroma and water iodine value≥500.0μg / L in the monitoring points with iodine value of 100.0-500.0μg / L are still more serious.