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对60例可疑冠心病者进行多巴酚丁胺负荷心电图试验,以冠状动脉造影为标准评价该试验对冠心病的诊断价值。判定标准以J点后0.08秒ST段偏移0.1mV以上为阳性,诊断冠心病的敏感性,特异性、准确度分别为75.7%,78.7%和76.6%。对冠脉单支、双支和三支病变诊断的敏感性分别为52.6%、100%和100%。试验中未发现明显的不良反应,显示本试验是一种安全可行、准确性较好的诊断冠心病的无创检查方法,并可在基层医院推广应用。
60 patients with suspected coronary heart disease dobutamine stress electrocardiogram test to coronary angiography as the standard evaluation of the test for the diagnosis of coronary heart disease. The diagnostic criteria was that the sensitivity, specificity and accuracy of diagnosing coronary heart disease were 75.7%, 78.7% and 76.6%, respectively. The sensitivity of the diagnosis of coronary artery single branch, double branch and three lesions were 52.6%, 100% and 100% respectively. No obvious adverse reactions were found in the trial, which showed that this test is a safe and feasible method for noninvasive diagnosis of coronary heart disease. It can be widely used in primary hospitals.