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目的探讨~(99)Tc~m-MIBI心肌灌注显像在疑似冠心病的糖尿病患者中的应用价值。方法 95例2型糖尿病患者,其中接受~(99)Tc~m-MIBI运动负荷-静态心肌灌注显像35例,接受腺苷负荷-静态显像43例,仅作静息态17例。结果 (1)运动负荷、腺苷负荷、单纯静息显像三组阳性检出率为54.29%、53.48%和23.53%,负荷与静息态显像组间有统计学差异(P<0.05);(2)男、女患者组检出率分别为63.04%和28.13%(P<0.01);(3)42例心肌灌注显像提示心肌缺血患者中共检测灌注减低节段91段,单只、两支及三支血管病变的比例分别为55.81%、37.21%和6.98%;(4)检出心肌梗死4例,占4.21%。结论核素心肌灌注显像作为无创性的影像诊断技术,其规范使用对疑似冠心病的糖尿病患者早期诊断心肌缺血有重要应用价值。
Objective To investigate the value of ~ (99) Tc ~ m-MIBI myocardial perfusion imaging in diabetic patients with suspected coronary heart disease. Methods A total of 95 patients with type 2 diabetes mellitus received 35 99 Tc m-MIBI exercise-static myocardial perfusion imaging and 43 patients underwent adenosine load static imaging. Results (1) The positive rates of exercise load, adenosine load and pure resting imaging in three groups were 54.29%, 53.48% and 23.53%, respectively. There was a significant difference between load and rest group (P <0.05) ; (2) The detective rates of male and female patients were 63.04% and 28.13% respectively (P <0.01); (3) 42 myocardial perfusion imaging patients were detected myocardial ischemia in the detection of perfusion reduced 91 segments, single , And the proportions of two and three vessel diseases were 55.81%, 37.21% and 6.98% respectively. (4) Four cases of myocardial infarction were detected, accounting for 4.21%. Conclusions As a noninvasive imaging diagnostic technique, myocardial perfusion imaging of radionuclides is of great value in the early diagnosis of myocardial ischemia in patients with suspected coronary heart disease.