陕西黄陵县克山病的病情现状

对历史上克山病重病区陕西黄陵县部分重病村做了普查，共查１１２２人，结果表明∶①１１２２人中检出潜在、慢型克山病４０例，检出率为３．７５％，总的发病趋势稳中有降；②潜在型克山病的新发生率为５３．５／万，且以３～１５岁儿童为主；③病区重点人群发硒含量达到非病区水平，而发中微量元素锰、铁含量较高；④慢型克山病死亡率较高（３年死亡率为３３．３％）。死亡多为３０～４０岁的中、青年。

CONDITION OF KESHAN DISEASE IN HUANGLING COUNTY, SHAANXI PROVINCE

This paper has reported general survey results in the area of very severe Keshan disease of Huangling County, Shaanxi Province. 1122 local residents were examined. 40 cases of Keshan disease, including latent and chronic, were found out and studied. The positive rate was about 375%, which showed that the outset of the disease was of steady decline. The new morlidity of latent Keshan disease was about 535 per 10000 and most affected patients were children ranged from 3 to 15 years. The hair selenium contents of the severely affected population in the area of Keshan disease were not significant different from those of children in the nonendemic area, but the hair MnFe contents of children in the endemic were significantly higher than those in the nonendemic area. Mortality was higher in chronic Keshan disease. Most of them died at 3040 years age.