• Dongfeng Deng, Dianshi Jin, Jinbing Zhou, Qingyong Chang, and Kai Qu.
• Department of Neurosurgery, Zhongshan Hospital, Dalian University, Dalian, China. lvxianli000@163.com
• Neurol India. 2011 Nov 1; 59 (6): 833-8.

ObjectiveThe clinical and angiographic characteristics of vertebral artery (VA) aneurysm were evaluated to demonstrate the safety and efficacy of endovascular techniques of VA aneurysms.Materials And MethodsCase records of 38 consecutive patients with 40 VA aneurysms admitted during a 2-year period were reviewed. The data analyzed included age, sex, size of aneurysm, ruptured or unruptured, endovascular techniques, angiographic results after embolization, duration of follow-up, angiographic follow-up results and Glasgow Outcome Score at follow-up.ResultsOf the 38 patients, 33 patients had 35 dissecting aneurysms and five patients had five saccular aneurysms. Seventeen (42.5%) aneurysms were ruptured. Of the 34 patients treated with endovascular techniques, immediate post-procedural angiograms showed complete and subtotal occlusion (>90%) of 27 (67.5%) aneurysms and incomplete and no occlusion of 13 (32.5%) aneurysms, including four conservatively treated aneurysms. A clinical improvement or stable outcome was achieved in all the patients (100%) during a mean 12.1-month follow-up. There was no complication related to endovascular treatment and no rebleeding during the follow-up period. Angiographic follow-up (mean of 7.2 months, range 1-18 months) was available in all the patients. Complete and subtotal occlusion was observed in 31 (81.6%) patients, including one spontaneous thrombosis of a conservatively treated VA dissecting aneurysm. Recanalization in two patients (5.9%) at 6 and 9 months did not require retreatment.ConclusionThis series demonstrates the safety and efficacy of multimodality of endovascular techniques for VA aneurysms.

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