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目的观察克山病病区居民与非病区居民心电图的变化情况,为科学评估克山病防控效果提供依据。方法在辽宁省克山病病区选取4个病区村作为调查点,同时在非病区选取自然环境和生产生活方式与克山病病区相似的4个村做为调查点,调查点内全部常住居民做为调查对象。对调查点内常住居民进行问卷调查、临床查体并描记12导联心电图,并对调查对象心电图改变进行对比分析。结果在病区共描记心电图1 728例,检出异常心电图424例,异常心电图检出率为24.5%;在非病区共描记心电图1 865例,检出异常心电图314例,异常心电图检出率为16.8%。两组比较差异有统计学意义。结论克山病病区居民心电图异常检出率高于非病区居民,说明病区依然有克山病的致病因子影响居民的健康,因此应继续加强克山病监测工作。
Objective To observe the changes of electrocardiogram (ECG) among residents and non-ward residents in Keshan disease area, and to provide evidence for the scientific evaluation of prevention and control of Keshan disease. Methods Four ward villages were selected as the investigation points in Keshan disease area of Liaoning Province. At the same time, 4 villages whose natural environment and production and lifestyle were similar to Keshan disease were selected as the investigation points in the non-ward, All permanent residents as the survey. Surveys on the residents of the survey questionnaire, clinical examination and tracing 12-lead ECG, and comparative analysis of the changes in the survey of electrocardiograms. Results A total of 1 728 electrocardiograms were recorded in the ward, including 424 anomalous electrocardiograms (ECGs) and 24.5% abnormal electrocardiograms (ECG), 1865 electrocardiograms (ECGs) in 314 non-ill patients, 314 abnormal ECGs, and abnormal ECG detection rates 16.8%. The difference between the two groups was statistically significant. Conclusion The detection rate of ECG abnormalities in Keshan disease patients is higher than that in non-ward patients, indicating that the pathogenic factors of Keshan disease still affect the health of residents. Therefore, the surveillance of Keshan disease should be strengthened.