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自发性蛛网膜下腔出血首次CTA检查阴性31例分析 被引量:4

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摘要 目的探讨自发性蛛网膜下腔出血(subarachnoid hemorrhage,SAH)首次CT血管造影(computed tomography angiography,CTA)检查阴性的原因及治疗策略。方法对本院2008年1月至2009年11月,首次CTA检查呈阴性的31例SAH患者的诊断、治疗进行回顾性分析。结果本组31例(男性12例,女性19例)中29例再次CTA检查,发现动脉瘤7例,其中3例为小脑后下动脉瘤,2例大脑中动脉M3段动脉瘤,1例大脑前动脉A2段动脉瘤,1例大脑后动脉P3段动脉瘤;3例颅内动脉远端显示不清晰,怀疑动静脉畸形(arteriovenous malformation,AVM)。再次CTA检查的22例阴性患者同期行DSA检查,发现前交通动脉瘤2例,均小于1.5mm;AVM3例;C5-7颈髓AVM1例;硬脑膜动静脉瘘1例。延期MRA检查7例,发现海绵状血管瘤3例。其余14例均无阳性发现,其中1例做了2次CTA,2次DSA,2次MRA检查,仍无阳性发现。结论蛛网膜下腔出血患者首次CTA阴性的原因较多,为提高诊断率及避免不必要重复检查,应根据CT平片上蛛网膜下腔出血特点确定合理的进一步检查手段。
出处 《第三军医大学学报》 CAS CSCD 北大核心 2010年第14期1573-1574,共2页 Journal of Third Military Medical University
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参考文献10

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二级参考文献22

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