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应用９９ｍＴｃ－甲氧基异丁基异腈（ＭＩＢＩ）门控心肌断层显像同时获得心肌血流灌注和左室功能状况，并将结果与１１５例冠状动脉造影和８４例门电路心室显像进行对比分析．表明对于诊断心绞痛门控心肌断层显像较非门控心肌断层显像有较高的灵敏度；由门控心肌断层显像计算的左室容积收缩分数与门电路心室显像测得的左室射血分数高度相关（Ｐ＜０．０１）．上述结果提示，９９ｍＴｃ－ＭＩＢＩ门控心肌断层显像有较大的临床实用价值．
99mTc-methoxyisobutylisonitrile (MIBI) gated myocardial perfusion imaging was used to obtain myocardial perfusion and left ventricular function at the same time, and the results were compared with 115 cases of coronary angiography and 84 cases of portal ventricular imaging . Showed that for the diagnosis of angina pectoris-gated myocardial tomography compared with non-gated myocardial tomography have a higher sensitivity; calculated by gated myocardial infarction imaging of left ventricular volume fraction and portal ventricular imaging measured left ventricular ejection Blood scores were highly correlated (P <0.01). The above results suggest that 99mTc-MIBI gated myocardial tomography has great clinical value.