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目的探讨蛛网膜下腔出血首次血管造影为阴性的对策。方法回顾性分析临床上出现的经首次全脑血管造影阴性现象的35例自发性蛛网膜下腔出血病例,对全脑血管造影阴性发生的因素进行了分析。结果35例造影阴性患者中33例重复查DSA全脑血管造影,其中6例还行CTA检查,2例还行MRA检查,12例还行头和颈MR I检查;5例发现颅内动脉瘤,1例发现颈髓AVM。结论在蛛网膜下腔出血全脑血管造影阴性时,要考虑到假阴性的可能。
Objective To explore the countermeasure of the first angiography of subarachnoid hemorrhage as negative. Methods A retrospective analysis of 35 cases of spontaneous subarachnoid hemorrhage after first clinical cerebrovascular angiography was performed in our hospital. The factors that negatively affected the cerebrovascular angiography were analyzed. Results Of the 35 patients with negative angiography, 33 patients underwent repeat DSA with whole-brain angiography. Among them, 6 patients underwent CTA, 2 patients underwent MRA and 12 patients underwent head and neck MRI. Five patients had intracranial aneurysms, One case found cervical AVM. Conclusion In patients with subarachnoid hemorrhage cerebrovascular angiography negative, to take into account the possibility of false negative.