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对４６例冠心病（ＣＡＤ）患者和１５例正常人进行食道心房调搏（ＴＡＰ）９９ｍＴｃ－甲氧基异丁基异腈（ＭＩＢＩ）心肌灌注断层显像，并与运动心肌断层显像进行对比研究．结果表明：ＴＡＰ心肌灌注断层显像对ＣＡＤ诊断的灵敏度和特异性分别为８６．９６％与９３．３３％，与运动心肌断层显像结果相近；对ＣＡＤ心肌缺血的定位诊断与运动心肌断层显像密切相关，ｒ＝０．９５．提示ＴＡＰ心肌灌注断层显像对不能耐受运动心肌显像的早期ＣＡＤ和可疑ＣＡＤ患者具有较大的实用价值．
Forty-six patients with coronary artery disease (CAD) and 15 normal subjects underwent myocardial perfusion tomography with 99mTc-methoxyisobutylisonitrile (MIBI) in esophageal atrial pacing (TAP) and compared with myocardial perfusion imaging. The results showed that the sensitivity and specificity of TAP myocardial perfusion tomography in diagnosis of CAD were 86.96% and 93.33%, respectively, which were similar to those of exercise myocardial tomography. The localization of myocardial ischemic cardiomyopathy and myocardial infarction Imaging is closely related, r = 0.95. Tip TAP myocardial perfusion tomography myocardial imaging can not tolerate early CAD and suspicious CAD patients have greater practical value.