World Neurosurg 2018 Mar 8;111:e927-e932. Epub 2018 Jan 8.
Henan Provincial People's Hospital and Zhengzhou University People's Hospital, Zhengzhou, PR China.
Purpose: To investigate the effect and safety of endovascular treatment of intracranial aneurysms concomitant with severe adjacent atherosclerotic stenosis.
Materials And Methods: Twenty-six patients with aneurysms and adjacent stenosis were prospectively enrolled. The characteristics of the aneurysm, parent artery, atherosclerotic stenosis and endovascular treatment methods were analyzed.
Results: All aneurysms were successfully embolized (100%), with stent-assisted coiling in 14 (53.8%) cases, coiling alone in 10 (38.5%), double microcatheter coiling in 1 (3.8%), and balloon-assisted coiling in the remaining 1 (3.8%). Immediately after embolization, complete occlusion was achieved in 10 cases (38.5%), nearly complete occlusion in 6 (23.1%) and non-complete occlusion in 10 (38.5%). Ten aneurysms were type I and were managed with coiling alone in 8 cases and stent-assisted coiling in the remaining 2 cases, with complete occlusion achieved in 6 cases (60%), nearly complete in 2 (20%), and noncomplete in the other 2 (20%). Sixteen aneurysms were type II and treated with stent-assisted coiling in 12 cases (75%), single coiling in 2 (12.5%), double microcatheters in 1 (6.3%), and balloon-assisted coiling in the remaining aneurysm (6.3%). Aneurysm occlusion was complete in 4 cases (25%), nearly complete in 4 (25%), and noncomplete in the other 8 (50%). Clinical follow-up of 2 months to 5 years (mean 26 ± 11 months) demonstrated no rebleeding, with the modified Rankin scale score of 0-2 in 20 patients, 3 in 4, and 6 in the remaining 2.
Conclusions: Intracranial aneurysms concomitant with severe adjacent atherosclerotic stenosis can be successfully treated endovascularly, and careful evaluation of the characteristics of the aneurysm, parent artery, stenosis and collateral circulation can help reducing complications.
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