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目的探讨单光子发射型计算机体层摄影术(铊-201核素心肌显像)对老年人代谢综合征并发冠心病的临床诊断价值。方法前瞻性地将102例疑诊冠心病的老年患者分为代谢综合征组52例和非代谢综合征(对照组)50例,分别进行负荷的铊-201核素心肌显像和冠状动脉造影检查,计算两组患者铊-201核素心肌显像诊断结果的敏感性和特异性。结果老年代谢综合征患者组铊-201核素心肌显像诊断敏感性84％、特异性35％,对照组敏感性78％、特异性52％。两组敏感性差异无统计学意义,特异性差异有统计学意义(P<0．05)。结论老年代谢综合征并发冠心病患者的铊-201核素心肌显像特异性较低。
Objective To investigate the clinical value of single photon emission computed tomography (thallium-2011 myocardial imaging) in the diagnosis of metabolic syndrome in the elderly with coronary heart disease. Methods A total of 102 elderly patients with suspected coronary heart disease were prospectively divided into metabolic syndrome group (n = 52) and non-metabolic syndrome group (n = 50), and were subjected to load thallium-201 nuclide myocardial imaging and coronary angiography Check, calculate the two groups of patients with thallium-201 nuclide myocardial imaging diagnostic sensitivity and specificity. Results The sensitivity and specificity of Thallium-201 radionuclide myocardial imaging in elderly patients with metabolic syndrome were 84%, 35%, 78% and 52% respectively. There was no significant difference between the two groups of sensitivities, the specific difference was statistically significant (P <0.05). Conclusion Thallium-201 nuclide myocardial imaging in elderly patients with metabolic syndrome complicated with coronary heart disease is of low specificity.