目的 观察河南省1995 - 2009年克山病病情变化,探索病情流行特点.方法 1995 - 2009年选择历史上克山病发病较重的乡(村),具有地貌代表特征的病区为监测点,每年进行1次横断面调查.选择监测点的常住人口为调查对象,进行询问病史,临床检查,克山病患者、可疑或疑似克山病患者和部分心电图异常者拍摄2m后前位X线胸片,同时采集监测点人群发样和当地产面粉样,进行硒水平检测.结果 1995 - 2009年共调查6632人,检出慢型克山病130例,潜在型克山病52例,克山病检出率在1.12％～5.06％；共描记心电图6632份,异常心电图和X线胸片心脏扩大检出率分别是10.24％～ 30.65％和32.4％～77.8％；发硒水平有升高趋势,2009年最高(357.12μg/kg),1997年最低(142.68μg/kg).结论 河南省克山病病情稳定,预防控制措施逐步加强.%Objective To observe the change of conditions and study the epidemiology of Keshan disease from 1995 to 2009 in Henan province.Methods From 1995 to 2009,seriously ill township (village) of Keshan disease were selected as monitoring sites,and one cross-sectional survey was conducted annually.Resident population were asked of their disease history,and were taken clinical examination.Suspicious or suspected cases of Keshan disease and people with abnormal ECG were taken 2 m X-ray.Hair and wheat flour samples were collected for selenium testing.Results From 1995 to 2009,about 6632 people were checked,130 chronic and 52 latent cases of Keshan disease were identified,the total detection rates were between 1.12％ and 5.06％.The detectable rate for abnormal electrocardiogram and heart enlargement found through chest X-ray examination were 10.24％ -30.65％ and 32.4％ - 77.8％,respectively.The content of hair selenium tended to increase,the highest was in 2009 (357.12 μg/kg),and the lowest was in 1997( 142.68 μg/kg).Conclusion Keshan disease is stable in Henan province,and prevention and control measures should be strengthen gradually.
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