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目的研究和探讨脑缺血患者颅底Willis环及供血动脉CTA的代偿潜力及诊断价值。方法以我院2012年4月-2013年4月收治的121例患者为研究对象,无症状31例,脑梗死38例,短暂性脑缺血发作患者52例,对3组患者行性64层螺旋CT脑血管成像,多方位、多方式对患者后动脉结构、Willis环进行比较分析。结果 3组患者的脑供血动脉狭窄情况具有明显差异,差异具有统计学意义(P<0.05)。结论 CTA可以有效评价Willis环及动脉狭窄代偿能力,可为临床治疗提供依据。
Objective To investigate and explore the compensatory potential and diagnostic value of Willis ring and artery CTA in patients with cerebral ischemia. Methods A total of 121 patients admitted from April 2012 to April 2013 in our hospital were enrolled in this study. There were 31 cases without symptoms, 38 cases with cerebral infarction, 52 cases with transient ischemic attack and 64 cases Spiral CT cerebrovascular imaging, multi-directional, multi-modal analysis of the posterior artery structure, Willis ring. Results There were significant differences in cerebral artery stenosis between the three groups, with statistical significance (P <0.05). Conclusion CTA can effectively evaluate Willis ring and arterial stenosis compensatory capacity, which can provide the basis for clinical treatment.