• World Neurosurg · Jul 2019

    Clipping vs. Coiling for Ruptured Intracranial Aneurysms: A Meta-Analysis of Randomized Controlled Trials.

    • Bo Shao, Junyou Wang, Yu Chen, Xijun He, Huihui Chen, Yujiang Peng, Pengxiang Yang, Hongyu Duan, Fan Yang, and Lingfang Teng.
    • Department of Neurosurgery, First People's Hospital of Wenling, Wenling, Zhejiang, China.
    • World Neurosurg. 2019 Jul 1; 127: e353-e365.

    BackgroundThe treatment strategies of ruptured intracranial aneurysms (RIAs) include surgical clipping and endovascular coiling, and the efficacy and safety of clipping versus coiling are yet controversial.ObjectiveTo summarize the available randomized controlled trials to determine the optimal treatment method for patients with RIA.MethodsPubMed, Embase, and the Cochrane Library were systematically searched for randomized controlled trials published up to September 5, 2017. The summary analysis was performed using a random-effects model. The primary outcomes included poor outcome, mortality, and rebleeding, whereas the secondary outcomes included complete occlusion, incomplete occlusion, severe disability, and vegetative state.ResultsWe identified 5 trials with data collected from 2883 patients. The summary results indicated that surgical clipping in patients was associated with a high incidence of poor outcome (relative risk [RR], 1.34; 95% confidence interval [CI], 1.18-1.51; P < 0.001), whereas no significant effect was observed on mortality (RR, 1.09; 95% CI, 0.79-1.49; P = 0.608) and rebleeding (RR, 0.65; 95% CI, 0.20-2.06; P = 0.460) compared with endovascular coiling. Furthermore, we noted that surgical clipping significantly increased the incidence of complete occlusion compared with endovascular coiling (RR, 1.30; 95% CI, 1.09 1.55; P = 0.004). Conversely, surgical clipping was associated with a low incidence of incomplete occlusion (RR, 0.67; 95% CI, 0.45-0.99; P = 0.044). No significant differences were noted between surgical clipping and endovascular coiling with respect to the outcomes of severe disability (RR, 1.39; 95% CI, 0.90-2.16; P = 0.140) and vegetative state (RR, 1.35; 95% CI, 0.84-2.17; P = 0.213).ConclusionsThis meta-analysis provides moderate evidence that surgical clipping has few benefits than endovascular coiling for the treatment of RIA.Copyright © 2019 Elsevier Inc. All rights reserved.

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