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目的探讨64层螺旋CTA与DSA在颈内动脉狭窄的临床应用价值。方法收集临床拟诊为前循环缺血发作的患者203例,进行64层螺旋CTA检查,其中97例患者同时行DSA检查,并将CTA与DSA结果相对照,计算出二者之间的敏感性和特异性。结果本组行CTA检查的203例患者中有181例患者颈内动脉有不同程度的狭窄,97例行DSA检查的患者颈内的动脉均有不同程度的狭窄,CTA与DSA的敏感性和特异性为100%。结论64层螺旋CTA能够清晰地显示颈内动脉系统的异常,在某些方面上可替代DSA检查。
Objective To investigate the clinical value of 64-slice CTA and DSA in the treatment of internal carotid artery stenosis. Methods Totally 203 patients with clinically suspected anterior circulation ischemic attack were enrolled in this study. 64-slice spiral CT angiography (CTA) was performed. Among them, 97 patients underwent DSA at the same time. CTA was compared with DSA to calculate the sensitivity And specificity. Results Among the 203 patients who underwent CTA in this group, 181 patients had different degree of stenosis of internal carotid artery. 97 patients with DSA had different degrees of stenosis, sensitivity and specificity of CTA and DSA Sex is 100%. Conclusion 64-slice CTA can clearly show the internal carotid artery system abnormalities, in some ways to replace DSA examination.