Endovascular Embolization of Intracranial Aneurysms: To Use Stent(s) or Not? Systematic Review and Meta-analysis

医学 优势比 闭塞 置信区间 荟萃分析 支架 栓塞 冲程(发动机) 血栓形成 动脉瘤 外科 放射科 内科学 机械工程 工程类
作者
Mingtao Feng,Wanling Wen,Zhengzhe Feng,Yibin Fang,Jianmin Liu,Qinghai Huang
出处
期刊:World Neurosurgery [Elsevier BV]
卷期号:93: 271-278 被引量:51
标识
DOI:10.1016/j.wneu.2016.06.014
摘要

We sought to review the literature concerning stent-assisted coiling (SAC) in comparison with coiling without stents for treating intracranial aneurysms and to evaluate the safety and effectiveness of SAC by conducting a meta-analysis of published studies.According to the methods and guidelines for meta-analysis, PubMed, Embase, and Cochrane Database were searched. All articles that compared SAC and coiling without stent were reviewed. The data extracted were the rates of immediate occlusion, progressive thrombosis, angiographic occlusion, angiographic recurrence, overall complications, ischemic stroke, and hemorrhagic stroke.Sixteen studies with 4294 aneurysms were analyzed. SAC was performed for 1466 aneurysms; and coiling without stent was performed for 2828 aneurysms. No significant difference in immediate occlusion rate was found between the 2 groups (odds ratio [OR] = 1.01; 95% confidence interval [CI], 0.73-1.39, P = 0.96). However, SAC had an advantage in terms of angiographic occlusion rate during follow-up (OR = 1.62, 95% CI: 1.16-2.26, P < 0.01), progressive thrombosis rate (OR = 2.54, 95% CI: 2.00-3.24, P < 0.01), and reduction in recurrence rate (OR = 0.46; 95% CI, 0.35-0.59, P < 0.01). No significant differences were shown in overall complication rate (OR = 1.30, 95% CI: 086-1.96, P = 0.21) and hemorrhagic stroke rate (OR = 0.72, 95% CI: 0.43-1.20, P = 0.21). Ischemic strokes were more common in the SAC patients than in the non-stent-assisted patients (OR = 1.66; 95% CI: 1.05-2.63, P = 0.03).Compared with coiling without stent, stent-assisted coiling of intracranial aneurysms achieved satisfactory results, with higher long-term angiographic occlusion rate and lower recurrence rate. However, ischemic stroke remains a problem that cannot be ignored.
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