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本文报告1981—1985年对非硒防克山病轻、重病区的病情及内外环境中硒的含量进行监测。结果表明:两试点均无急型、亚急型发病,潜、慢型病人的检出率逐年减少,慢型病人五年存活率为80%,潜在型的转健率约为30%,健康人群中均有新潜在型检出。在土壤及粮食中硒的含量无明显变化;而发硒均明显提高,是由于生活水平提高,食用非病区商品粮小麦增多以及硒膳食改善发生的变化。
This article reports 1981 to 1985 on non-Selenium-resistant Keshan disease of light and severe disease and the internal and external environment selenium content monitoring. The results showed that there was no acute or subacute onset in both experimental sites. The detection rate of sub-acute and latent patients decreased year by year. The five-year survival rate of chronic patients was 80% and the potential conversion rate was about 30% Potential new type of detection in the population. There was no significant change in the content of selenium in soil and grain, but the selenium was significantly increased due to the improvement of living standard, the increase of non-ward food grain wheat and the improvement of selenium diet.