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对青海省牧业区的11个监测点的440名8~10岁儿童IDD病情监测结果进行了分析。结果显示,该地区甲状腺触诊法和B超法的肿大率分别为9.8%和20.6%;尿碘中位数115.38μg/L,而小于20μg/L的占11.00%,大于100μg/L的仅占55.3%;盐碘中位数为27.7mg/kg,合格率为66.70%。此结果说明,牧业区因其特有的自然环境和丰富的盐业资源,造成原盐大量流入市场,碘盐普及较为困难,致使病情仍较为严重。
The results of IDD surveillance of 440 children aged 8-10 years old at 11 monitoring points in the pastoral area of Qinghai Province were analyzed. The results showed that the thyroid palpation and B-ultrasonography in the region were 9.8% and 20.6% respectively, and the urinary iodine median was 115.38μg / L, while those less than 20μg / L accounted for 11.00 %, Only more than 100μg / L accounted for 55.3%; median salt iodine 27.7mg / kg, with a pass rate of 66.70%. This result shows that due to its unique natural environment and abundant salt resources, the livestock industry area has caused a large amount of crude salt to flow into the market, making it more difficult to popularize iodized salt, making the condition still more serious.