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为了探讨运动心电图试验（简称运动试验）预测经皮冠脉内硬化斑块旋磨术（ＣＲＡ）后再狭窄（ＲＳ）的临床价值，对２１例冠心病患者ＣＲＡ术后平均１０．４２±７．３８月行运动试验和冠脉造影，作对照分析。结果运动试验预测ＣＲＡ术后ＲＳ的敏感性为９０％，特异性为８５．７％，阳性预测值为８１．８％。提示运动试验作为一种无创、简易且易被患者接受的检查方法对预测ＣＲＡ术后ＲＳ具有一定的实用价值。
To investigate the clinical value of exercise electrocardiogram test (RS) in predicting percutaneous coronary angioplasty (CRA) after restenosis (CRA), the average postoperative CRA in 21 patients with coronary heart disease was 10.42 ± 7 38-month exercise test and coronary angiography, as control analysis. Results The exercise test predicted the sensitivity, specificity, and specificity of RS for RS after CRA were 90%, 85.7% and 81.8%, respectively. Prompt exercise test as a noninvasive, simple and easy to be accepted by patients with the test method for the prediction of RS after CRA has some practical value.