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目的:探讨64层CT血管造影在自发性蛛网膜下腔出血的病因诊断中的价值。方法:对2009年1～12月97位患有自发性蛛网膜下腔出血的病人行64层CT血管造影成像扫描,应用容积再现、最大密度投影、曲面重建、多平面重建等后处理技术显示血管,以明确病因。结果:64层CTA诊断12例正常,1例颈内动脉海绵窦瘘、9例动静脉畸形,75例动脉瘤,所有病例与数字减影血管造影和/或手术对比证实,其中12例正常病例行DSA检查,64层CTA漏诊1例,但其总的敏感性为98.7%,特异性为100%。结论:64层CT血管造影对自发性蛛网膜下腔出血的病因诊断准确性高,且简单、快速、微创、安全和经济,可作为自发性蛛网膜下腔出血病因诊断的首选检查方法。
Objective: To explore the value of 64-slice CT angiography in the etiological diagnosis of spontaneous subarachnoid hemorrhage. Methods: A total of 97 patients with spontaneous subarachnoid hemorrhage from January to December in 2009 were scanned with 64-slice CT angiography. Post-processing techniques such as volume rendering, maximum density projection, surface reconstruction and multiplanar reconstruction were performed Vascular to clear the cause. Results: 64 cases of CTA diagnosed 12 cases of normal, 1 cases of carotid cavernous fistula, 9 cases of arteriovenous malformations, 75 cases of aneurysms, all cases and digital subtraction angiography and / or surgery confirmed that 12 cases of normal cases Line DSA examination, 64 cases of CTA misdiagnosis in 1 case, but its overall sensitivity was 98.7%, specificity was 100%. Conclusion: The 64-slice CT angiography has a high accuracy in diagnosis of spontaneous subarachnoid hemorrhage and is simple, rapid, minimally invasive, safe and economical. It can be used as the first choice for the diagnosis of spontaneous subarachnoid hemorrhage.