• World Neurosurg · Jan 2020

    Outcome and prognostic factors of ruptured middle cerebral artery aneurysms treated via endovascular approach：a single-center 11-year experience.

    • Yu Zhou, Guoli Duan, Xiaoxi Zhang, Peng-Fei Yang, Yi-Bin Fang, Qiang Li, Rui Zhao, Yi Xu, Bo Hong, Qing-Hai Huang, and Jian-Min Liu.
    • Department of Neurosurgery, Changhai Hospital, Second Military Medical University, Shanghai, P.R. China.
    • World Neurosurg. 2020 Jan 1; 133: e187-e196.

    ObjectiveTo investigate outcomes and prognostic factors of ruptured middle cerebral artery (MCA) aneurysms, treated via endovascular approach, with improving treatment materials and techniques.Patients And MethodsA total of 185 consecutive patients, admitted with acutely ruptured MCA aneurysms and treated by endovascular methods between 2006 and 2016, were retrospectively reviewed. Their baseline characteristics, procedure-related complications, and angiographic and clinical outcomes were collected. Univariate analysis and logistic regression analysis were completed to identify any association between procedure-related complications or clinical outcomes and potential risk factors.ResultsProcedure-related complications occurred in 28 patients (15.1%), including aneurysm rebleeding in 7 (3.8%), hematoma expansion in 10 (5.4%), and ischemia in 13 (7.0%) (concurrent hemorrhage and ischemia in 2 patients), which resulted in morbidity/mortality of 7% and 1.4%. Final evaluations indicated that 153 patients (82.7%, 153/185) had a good outcome (modified Rankin Scale score 0-2). Among 120 (69.4%) who underwent angiographic follow-up, 89 (74.2%) were completely occluded and 20/120 (16.7%) were recanalized. Multivariate analysis of clinical outcome indicated that a high preoperative Hunt and Hess grade (IV-V), intrasylvian/intracerebral hematoma, and early period treatment (2006-2013) were associated with unfavorable outcomes.ConclusionsEndovascular treatment for patients with ruptured middle cerebral artery aneurysms may offer favorable clinical and angiographic outcomes. With the evolution of treatment materials and updated techniques, treatment complications have become less common than previously reported in literature, and clinical outcomes have been improved in recent years.Copyright © 2019 Elsevier Inc. All rights reserved.

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