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目的研究分析64层螺旋CT冠状动脉成像对典型胸痛患者的诊断意义。方法对144例典型胸痛患者进行64层螺旋CT冠状动脉成像,再进行选择性冠状动脉造影(CAG),以CAG的结果为标准对64层螺旋CT的准确性进行评价。结果 64层螺旋CT冠状动脉成像的准确度、特异度和敏感度分别为90%、79%和96%;64层螺旋CT对轻度狭窄和中度以上狭窄的诊断正确率分别为58%、89%(P<0.01);64层螺旋CT对右冠状动脉和左回旋支病变的判断能力相对较差。结论 64层螺旋CT对典型胸痛的冠心病患者筛查具有诊断意义。
Objective To study the diagnostic value of 64-slice spiral CT coronary angiography in patients with typical chest pain. Methods Sixty - four cases of typical chest pain patients underwent 64 - slice spiral CT coronary angiography, followed by selective coronary angiography (CAG). The accuracy of 64 - slice spiral CT was evaluated based on the results of CAG. Results The accuracy, specificity and sensitivity of 64-slice spiral CT coronary angiography were 90%, 79% and 96% respectively. The diagnostic accuracy of 64-slice spiral CT for mild and moderate stenosis were 58% 89% (P <0.01). The 64-slice spiral CT was relatively poor in judging right coronary artery and left circumflex coronary artery disease. Conclusion 64-slice spiral CT has the diagnostic value in the screening of coronary heart disease patients with typical chest pain.