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目的掌握新乡市水源性高碘地区分布规律及其流行病学状况,为采取科学防治对策提供依据。方法采取横断面调查。以乡(镇)为单位对居民饮用水水碘含量调查,并对发现的水源性高碘乡(镇)8~10岁儿童甲状腺肿大率、尿碘进行调查分析。结果检测水样2 625份,范围在2.0~963.8μg/L,水碘值在150μg/L以上的占45%;高碘水源呈片状分布,乡与乡、县与县连在一起,高碘地区与非高碘地区并存。8~12岁儿童尿碘中位数为536.8μg/L,甲状腺肿大率为4.2%。结论新乡市黄河冲积平原3个县所辖的23个乡(镇)为水源性高碘地区。
Objective To grasp the distribution and epidemiological status of water-rich iodine in Xinxiang City and provide evidence for taking scientific prevention and control measures. Methods To take a cross-sectional survey. Investigation of iodine content in drinking water of residents by unit of town (town), and the goiter rate and urinary iodine of 8 ~ 10 years old children who found water-source high iodine township (town) were investigated and analyzed. Results A total of 2 625 water samples were collected, ranging from 2.0 to 963.8 μg / L, with an iodine value above 150 μg / L, accounting for 45% of the total sample. Iodine and non-iodine areas co-exist. The urinary iodine median of children aged 8 to 12 was 536.8 μg / L, and the goiter rate was 4.2%. Conclusion The 23 townships (towns) under the jurisdiction of 3 counties in the alluvial plain of the Yellow River in Xinxiang City are high water-iodine areas.