Clitsakis D, Layton C A, Battersby W, Johns M, Stockley A V
Br Heart J. 1981 Aug;46(2):186-9. doi: 10.1136/hrt.46.2.186.
Exercise and redistribution myocardial scintigraphy using thallium-201 was compared with the left ventricular angiogram and with the presence of stenosis or occlusion of coronary arteries on angiography. Irreversible scintigraphic defects representing areas of myocardial infarction were found in all patients with occlusion of the left anterior descending artery but nearly one-third of patients with stenosis of that artery also showed evidence of infarction. For the right coronary or circumflex arteries the incidence of infarction was 82% with vessel occlusion and 57% with vessel stenosis. Of abnormally contracting segments on the left ventricular angiogram, 95% showed irreversible scintigraphic defects but 33% of normally contracting segments supplied by a diseased artery also showed this. Myocardial infarction is not uncommon in patients with angina even in the absence of coronary occlusion. The incidence is underestimated by the left ventricular angiogram. These findings are of importance in the assessment of patients with coronary disease and their evaluation before coronary artery surgery.
对使用铊-201的运动和再分布心肌闪烁造影术与左心室血管造影以及血管造影时冠状动脉狭窄或闭塞的情况进行了比较。在所有左前降支动脉闭塞的患者中均发现了代表心肌梗死区域的不可逆闪烁造影缺损，但该动脉狭窄的患者中有近三分之一也显示出梗死迹象。对于右冠状动脉或回旋支动脉，血管闭塞时梗死发生率为82%，血管狭窄时为57%。在左心室血管造影中异常收缩的节段中，95%显示出不可逆闪烁造影缺损，但由病变动脉供血的正常收缩节段中也有33%显示出这种情况。即使在没有冠状动脉闭塞的情况下，心绞痛患者中也不乏心肌梗死。左心室血管造影低估了其发生率。这些发现对冠心病患者的评估及其冠状动脉手术前的评估具有重要意义。
