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目的冠状动脉256排CT成像技术与冠状动脉造影检查对冠状动脉粥样硬化性心脏病的诊断比较。方法选取2013年5月至2014年5月内蒙古兴安盟人民医院心血管内科疑似冠心病患者50例,其中男性29例,女性21例,年龄37~68岁。先行冠状动脉256排CT扫描及图像后处理,后行冠状动脉造影检查,将两结果进行对比分析。结果以冠状动脉狭窄≥50%者为阳性。冠状动脉256排CT诊断冠心病灵敏度为40.00%,特异度98.18%,阳性预测值88.89%,阴性预测值81.82%,正确指数38.18%,符合率82.67%,KAPPA值46.28%。结论冠状动脉造影诊断冠心病准确性优于冠状动脉CT。冠状动脉CT可对冠心病患者进行初筛诊断。
Objective To compare the diagnostic value of 256-slice CT coronary angiography and coronary angiography in the diagnosis of coronary atherosclerotic heart disease. Methods From May 2013 to May 2014, 50 patients with suspected coronary heart disease in Department of Cardiology, Xing’an League People’s Hospital of Inner Mongolia were selected, including 29 males and 21 females, aged 37-68 years. Coronary artery 256 first-line CT scan and image processing, followed by coronary angiography, the two results were compared. Results of coronary stenosis ≥ 50% were positive. The sensitivity and specificity of 256-slice CT coronary angiography were 40.00%, 98.18%, 88.89%, 81.82%, 38.18%, respectively. The coincidence rate was 82.67% and KAPPA was 46.28%. Conclusion Coronary angiography is superior to coronary CT in the diagnosis of coronary heart disease. Coronary CT can be carried out in patients with coronary heart disease screening diagnosis.