Coil embolization of the middle cerebral artery bifurcation aneurysms: Feasibility and durability
- Authors
- Byoun, Hyoung Soo; Lim, Jeong-Wook; Han, Myung-Hoon; Jeong, Eun-Oh; Koh, Hyeon-Song; Kwon, Hyon-Jo
- Issue Date
- Aug-2024
- Publisher
- Churchill Livingstone
- Keywords
- Aneurysm; Coil embolization; Durability; Feasibility; Middle cerebral artery bifurcation; Outcome
- Citation
- Journal of Clinical Neuroscience, v.126, pp 294 - 306
- Pages
- 13
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Clinical Neuroscience
- Volume
- 126
- Start Page
- 294
- End Page
- 306
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/194944
- DOI
- 10.1016/j.jocn.2024.06.016
- ISSN
- 0967-5868
1532-2653
- Abstract
- Objective: To evaluate the feasibility and durability of coil embolization for MCAB aneurysms by analyzing clinical and radiological results.
Methods: From January of 2008 to June of 2018, we treated a total of 1785 aneurysms using coil embolization. The aneurysms were treated by both coiling and stent-assisted coiling. Among these cases, 223 MCAB aneurysms were analyzed retrospectively. Clinical and radiological assessments were conducted at admission, after treatment, at discharge, and at last clinical follow-up.
Results: Coil embolization was performed on 223 MCAB aneurysms in 217 patients. Peri-procedural ischemic, hemorrhagic, and other complications within 30 days after coil embolization occurred at rates of 8.0 %, 8.0 %, and 2.0 %, respectively, in the ruptured group and at 2.9 %, 1.2 %, and 0 %, respectively, in the unruptured group. The overall morbidity and mortality rates associated with complications were 2.3 % and 2.0 %. The cumulative major recurrence rates were 5.1 % at 12 months, 7.1 % at 18 months, and 11.9 % at three years after coil embolization. The mean follow-up period was 33.27 ± 25.48 months. Independent risk factors for major recurrence after coil embolization for MCAB aneurysms were a ruptured aneurysm, initial incomplete occlusion, the aneurysm size, and the neck size.
Conclusion: Coil embolization is a good alternative treatment option for MCAB aneurysms compared to surgical clipping. Considering the risk factors for major recurrence, the follow-up angiography should continue up to three years after coil embolization.
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