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冠状动脉CT血管成像对冠心病病变程度及部位的诊断价值*
徐利军
0
(绵阳四○四医院医学影像科)
摘要:
【摘要】 目的 探讨冠状动脉CT血管成像(CTA)对冠心病病变程度及部位的诊断价值。 方法 选择2016年2月~2019年2月我院收治的冠心病患者共268例,分别行冠状动脉CTA及冠状动脉造影(CAG)检查。以CAG为金标准,对比CTA对冠心病病变程度及部位的诊断一致性,以及灵敏度、特异度、准确度。 结果 CT血管成像对中、重度狭窄程度诊断的Kappa值分别为0.718、0.803,诊断中、重度狭窄程度的灵敏度、特异度、准确度分别为95.70%、94.94%,81.82%、92.00%,94.23%、94.51%。对单支病变及多支病变诊断的Kappa值分别为0.785、0.757,诊断单支、多支病变的灵敏度、特异度、准确度分别为97.04%、95.15%,83.33%、91.67%,9542%、9478%。对病变部位在前降支、回旋支及右冠脉诊断的Kappa值分别为0.825、0.718、0.846,诊断病变部位在前降支、回旋支、右冠脉的灵敏度、特异度、准确度分别为97.14%、94.74%、96.92%,87.50%、80.00%、90.91%,95.87%、92.54%、91.25%。 结论 冠状动脉CT血管成像对冠心病的重度狭窄程度,单支病变、多支病变,病变部位在前降支及右冠脉诊断的一致性较好,对中度狭窄程度,病变部位在回旋支诊断的一致性一般。
关键词:  冠状动脉CT血管成像  冠状动脉造影  冠心病  诊断价值
DOI:
基金项目:四川省医学会科研课题(S15094)
Diagnostic value of coronary CT angiography in the degree and location of coronary heart disease
XU Lijun
(Medical Imaging Department, Mianyang 404 hospital)
Abstract:
【Abstract】 Objective To investigate the diagnostic value of coronary CT angiography (CTA) in the degree and location of coronary heart disease. Methods From February 2016 to February 2019, 268 patients with coronary heart disease in our hospital were selected for CTA and CAG. With CAG as the gold standard, the consistency, sensitivity, specificity and accuracy of CTA in the diagnosis of coronary heart disease were compared. Results The kappa value of CT angiography in the diagnosis of moderate and severe stenosis was 0.718 and 0.803 respectively. The sensitivity, specificity and accuracy of CT angiography in the diagnosis of moderate and severe stenosis were 9570%, 94.94%, 81.82%, 92.00%, 94.23% and 94.51%, respectively. Kappa was 0.718 and 0.803 for single and multi vessel lesions respectively. The sensitivity, specificity and accuracy of single and multi vessel lesions were 97.04%, 95.15%, 83.33%, 91.67%, 95.42% and 94.78%, respectively. The kappa values of the lesions were 0.825, 0.718, 0.846, respectively. The sensitivity, specificity and accuracy of the lesions were 97.14%, 94.74%, 96.92%, 87.50%, 80.00%, 90.91%, 95.87%, 92.54%, 91.25%, respectively. Conclusion CT angiography of coronary artery has good consistency in the diagnosis of severe stenosis of coronary heart disease, single vessel disease, multi vessel disease, lesion location in anterior descending artery and right coronary artery, moderate stenosis, lesion location in circumflex artery.
Key words:  Coronary CT angiography  Coronary angiography  Coronary heart disease  Diagnostic value

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