Recanalization with subsequent near-total occlusion of an internal carotid artery aneurysm after immediate thrombotic occlusion using a flow-diverting stent
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摘要A flow-diverting stent is placed in the parent artery to reduce blood flow in the aneurysm sac to facilitate progressive thrombosis and neointimal remodeling while maintaining outflow in the side branches and perforators. All international multicenter registries have reported on the progressive occlusion of aneurysms with time and have implied that an occluded aneurysm would not recanalize given the protective effect of the altered hemodynamics. Recanalization of an occluded aneurysm after placement of a Flow-diverting stent has not been reported in the literature. The authors here describe a case of aneurysm recanalization after immediate thrombotic occlusion of the aneurysm with a flow-diverting stent. A 46-year-old male chronic smoker with chronic hypertension and hypercholesterolemia had a recurrent internal carotid artery aneurysm I year after embolization. Immediate thrombotic occlusion of the aneurysm and cessation of blood flow to the posterior communicating artery (PCoA) occurred immediately after activating a flow-diverting stent, with corresponding ischemic complications. However, 3 months after insertion of the stent, follow-up MR angiography showed recanalization of the aneurysm as well as of the PCoA. Additional angiography studies at 6 months showed near-total occlusion of the aneurysm with the restoration of blood flow to the PCoA. (http://thejns.org/doi/abs/10.3171/2011.12.JNS111408)
著者Wong GKC, Yu SCH, Siu DYW, Poon WS
期刊名稱Journal of Neurosurgery
詳細描述April 2012.
出版年份2012
月份4
日期1
卷號116
期次4
出版社AMER ASSOC NEUROLOGICAL SURGEONS
頁次888 - 891
國際標準期刊號0022-3085
電子國際標準期刊號1933-0693
語言英式英語
關鍵詞cerebral aneurysm; embolization; flow-diverting stent; vascular disorders
Web of Science 學科類別Clinical Neurology; CLINICAL NEUROLOGY; Neurosciences & Neurology; Surgery; SURGERY

上次更新時間 2021-26-02 於 01:24