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目的提高凉山州克山病重病区人群硒营养水平,降低克山病发病率。方法自2001年~2004年在凉山州西昌等6县(市)150万人所在地区普供含4~6μg/g硒的食用盐,并同步进行盐硒、儿童发硒水平、克山病病情监测。结果硒碘盐覆盖地区盐硒、儿童发硒水平显著提高,达到或超过非病区水平并趋于稳定;6县(市)克山病发病率逐年降低,2002~2004年亚急型克山病无新发病例,潜克检出率逐年下降。结论向克山病重病区普供强化国家允许剂量的微量元素硒的食用盐,可以大大改善病区人群硒营养水平,控制亚急型克山病新发,达到预防和控制克山病的目的。
Objective To improve the selenium nutrition level of Keshan patients in Liangshan Prefecture and reduce the incidence of Keshan Disease. Methods From 2001 to 2004, salt and selenium containing 4 ~ 6μg / g selenium were used in the area of 1.5 million people in 6 counties (cities) of Xichang, Liangshan Prefecture, monitor. Results Selenium and iodine salt coverage of the area of salt and selenium, children’s selenium levels significantly increased to meet or exceed the non-ward level and tends to be stable; 6 counties (cities) Keshan disease incidence decreased year by year, from 2002 to 2004 subacute Keshan No new cases of disease, the detection rate of sub-grams decreased year by year. Conclusion To Keshan disease-endemic area to strengthen the national allowable dose of trace element selenium edible salt, can greatly improve the ward selenium nutritional level, control subacute Keshan disease new hair, to prevent and control Keshan disease purposes .