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本文报告国产９９ｍＴｃ—ＭＩＢＩ心肌灌注断层显像８０例与冠状动脉造影（ＣＡ）对照分析。结果表明：９９ｍＴｃ—ＭＩＢＩ心肌灌注断层显像对冠心病诊断的灵敏度９６．７％、特异性为７５％、准确性为９１．３％、阳性预测率９２．１％。对急性或陈旧性心肌梗塞、心绞痛及Ｘ综合症的心肌灌注显像阳性率分别是１００％、９３．９％和８３．３％。心肌灌注显像所示异常部位与ＣＡ检查冠状动脉供血区基本相符，有较可靠的定位准确性，心肌灌注显像放射性分布与冠状动脉狭窄程度亦有一定相关性。
This article reports the domestic 99mTc-MIBI myocardial perfusion tomography 80 cases and coronary angiography (CA) control analysis. The results showed that the sensitivity of 99mTc-MIBI myocardial perfusion tomography in diagnosis of coronary heart disease was 96.7%, specificity was 75%, accuracy was 91.3% and positive predictive rate was 92.1%. The positive rates of myocardial perfusion imaging of acute or old myocardial infarction, angina pectoris and syndrome X were 100%, 93.9% and 83.3% respectively. Myocardial perfusion imaging showed abnormalities and CA coronary artery blood supply area basically consistent with more reliable positioning accuracy, myocardial perfusion imaging radioactivity distribution and coronary artery stenosis also have a certain degree of correlation.