DSA在椎基底动脉延长扩张症诊断中的应用价值

Value of DSA in diagnosing vertebrobasilar dolichoectasia

目的 探讨DSA在椎基底动脉延长扩张症（VBD）诊断中的应用价值.方法 对河南省人民医院住院23例VBD患者的DSA表现进行回顾分析.结果 本研究23例椎基底动脉明显迂曲扩张,基底动脉直径为4.5～18 mm,基底动脉单独病变4例,椎基底联合病变19例,其中累及大脑后动脉3例;所有患者基底动脉血流均有不同程度减慢,血流明显减慢17例,其中伴有造影剂滞留5例.合并囊性动脉瘤3例,合并血管夹层2例.结论 DSA可清晰显示椎基底动脉病变形态,分支血管,充分观察基底动脉血流动力学变化,是诊断VBD的“金标准”.

Objective To investigate the value of DSA in diagnosing vertebrobasilar dolichoectasia（VBD）.Methods The DSA manifestation of 23 patients with VBD were retrospectively reviewed.Results All vertebrobasilar arteries were obviously dilatated and elongated,the diameters of the basilar artery were in size from 4.5 to 18 mm.Basal artery lesion alone in 4 cases,vertebral basilar joint lesions in 19 cases,involving the posterior cerebral artery lesions of 3 cases.All patients with basilar artery blood flow slowed to some extent,17 cases＇ blood flow slowed significantly,including 5 cases with contrast agents stranded,3 cases combined with aneurysms,2 cases combined with vascular dissection.Conclusions DSA can clear display vertebroasilar artery lesions form,branch blood vessels,fully observe the basilar artery blood flow dynamic change,so DSA is the gold standard in the diagnosis of VBD.