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目的:比较多巴酚丁胺心电图(Dobu-ECG)与 ̄(99m)Tc-MIBI心肌显像(Dobu-ECT)诊断冠心病的价值。方法:对69例拟诊冠心病而无心肌梗塞患者在行冠状动脉造影时进行多巴酚丁胺心肌显像检查。结果:Dobu-ECT诊断冠心病的敏感性和准确度优于Dobu-ECG(91.7%对47.2%,P<0.018,5.5%对66.7%,P<0.05),特异性二者之间无差异。诊断冠状动脉单支、双支、三支病变的敏感性Dobu-ECT优于Dobu-ECG。诊断前降支、右冠状动脉的敏感性,Dobu-ECT高于Dobu-ECG。在研究中无一例出现严重副作用。结论:Dobu-ECT对识别冠心病存在与否及冠心病冠脉病变程度和范围均优于Dobu-ECG。
OBJECTIVE: To compare the diagnostic value of Dobu-ECG and 99m Tc-MIBI myocardial imaging (Dobu-ECT) in the diagnosis of coronary heart disease. Methods: Dobutamine myocardial imaging was performed in 69 patients with suspected myocardial infarction who underwent coronary angiography. RESULTS: Dobu-ECT was superior to Dobu-ECG in the diagnosis of coronary heart disease (91.7% vs 47.2%, P <0.018, 5.5% vs. 66.7%, P <0). 05), no difference between the two. Dobu-ECT is superior to Dobu-ECG in diagnosing coronary artery single, double, and triple-vessel lesions. Dobu-ECT was higher than Dobu-ECG in diagnosing anterior descending coronary artery and right coronary artery. None of the studies showed serious side effects. Conclusion: Dobu-ECT is better than Dobu-ECG in identifying the presence or absence of coronary artery disease and coronary artery disease.