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目的了解克山病病区居民的异常心电情况,为病情评估提供量化指标及依据。方法采用非概率抽样的方法,选取全国共13个省120个病区县,对病区居民进行心电图描记,克山病的诊断依据《克山病诊断》(WS/T210-2011)。结果共描记42 489份心电图,异常心电图6 900份,总检出率为16.2%,男性异常检出率为14.0%,女性异常检出率为16.9%,性别间有统计学意义(P<0.05)。异常心电图指数评分以1-3分为主,病区总评分为1.06±0.246,克山病患者的总评分为1.08±0.282。8项异常心电改变以T波和(或)ST段改变、束支传导阻滞居多。心功能分级以Ⅰ级为主,但慢型克山病主要表现为Ⅱ级。结论本研究提出的异常心电图指数可作为病情严重程度的量化指标,比较病人个体及病区群体之间的异常心电程度。
Objective To understand the abnormal ECG of residents in Keshan disease area and to provide quantitative indicators and basis for disease evaluation. Methods Non-probabilistic sampling method was used to select 120 ward counties in 13 provinces of China, and electrocardiogram was performed on residents of Ward. The diagnosis of Keshan disease was based on Keshan Disease Diagnosis (WS / T210-2011). Results A total of 42 489 electrocardiograms and 6 900 abnormal electrocardiograms were recorded. The total detection rate was 16.2%. The detection rate was 14.0% in males and 16.9% in females, with statistical significance (P <0.05) ). Abnormal electrocardiogram index score to 1-3 points, the ward total score was 1.06 ± 0.246, Keshan disease patients with a total score of 1.08 ± 0.282.8 abnormal ECG changes to T wave and (or) ST segment changes, Bundle branch block majority. Grade Ⅰ heart-based, but chronic Keshan disease mainly for grade Ⅱ. Conclusion The abnormal ECG index proposed in this study can be used as a quantitative indicator of the severity of the disease, comparing the level of abnormal ECG among the individual and the ward.