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采用~(99m)Tc-MIBI 对心肌进行单光子发射性计算机断层显象,观察72例。其中:冠心组18例;可疑冠心组22例;单纯高血压组16例;对照组16例。受检者进行运动显象和静态显象,然后进行图象重建比较。结果:(1)对照组全部正常;(2)冠心组全部异常,其中心肌梗塞者图象显示缺血区为完全缺损;心绞痛为明显稀疏和完全缺损。完全缺损者临床及体表心电图均无心肌梗塞表现;(3)可疑冠心组16/22异常;(4)单纯高血压组8/16有可逆性稀疏或轻度稀疏。缺血区域以前壁常见。本法较静息心电图,运动心电图及二维超声心动图敏感。
Single photon emission computed tomography was performed on ~ (99m) Tc-MIBI in 72 patients. Among them, there were 18 cases in coronary heart group, 22 cases in suspicious coronary heart group, 16 cases in simple hypertension group and 16 cases in control group. Subjects were subjected to exercise imaging and static imaging, and then image reconstruction was performed. Results: (1) The control group was all normal; (2) All the patients in the coronary heart group were abnormal. The images of the myocardial infarction showed the complete defect in the ischemic area. The angina pectoris was obviously sparse and complete. There was no myocardial infarction in the clinical and body surface electrocardiogram of the complete defect; (3) 16/22 abnormalities in the suspected coronary heart group; (4) 8/16 in the simple hypertension group were reversible sparse or slightly sparse. The ischemic area is common on the anterior wall. This method is more sensitive to resting ECG, exercise ECG and two-dimensional echocardiography.