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Causes and Solutions of Endovascular Treatment Failure

Authors
 Byung Moon Kim 
Citation
 JOURNAL OF STROKE, Vol.19(2) : 131-142, 2017 
Journal Title
 JOURNAL OF STROKE 
ISSN
 2287-6391 
Issue Date
2017
Keywords
Acute stroke ; Endovascular thrombectomy ; Stent retriever
Abstract
In a meta-analysis of individual patient data from 5 randomized controlled trials, endovascular treatment (EVT) mainly using a stent retriever achieved successful recanalization in 71.1% of patients suffering from acute stroke due to anterior circulation large artery occlusion (LAO). However, EVT still failed in 28.9% of LAO cases in those 5 successful trials. Stent retriever failure may occur due to anatomical challenges (e.g., a tortuous arterial tree from the aortic arch to a target occlusion site), a large quantity of clots, tandem occlusion, clot characteristics (fresh versus organized clots), different pathomechanisms (embolic versus non-embolic occlusion), etc. Given that recanalization success is the most important factor in the neurological outcome of acute stroke patients, it is important to seek solutions for such difficult cases. In this review, the basic technique of EVT is briefly summarized and then various difficult cases with diverse conditions are discussed along with suggested solutions.
Files in This Item:
T201702120.pdf Download
DOI
10.5853/jos.2017.00283
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Byung Moon(김병문) ORCID logo https://orcid.org/0000-0001-8593-6841
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/154243
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