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Drug-eluting stent for the treatment of symptomatic vertebral origin stenosis: Long-term results.
MedLine Citation:
PMID:  20888236     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Atherosclerotic stenosis originating from the vertebral artery (VA) is a well-known cause of stroke in the posterior circulation. Stent-assisted angioplasty using a bare metal stent is safe but used in a limited number of patients due to high rates of in-stent restenosis (ISR). A drug-eluting stent (DES) is an alternative for reducing ISR after stenting for atherosclerotic stenosis. We report the technical feasibility and mid to long-term clinical and angiographic outcomes after stenting with a DES in vertebral origin stenosis. This retrospective study included 47 consecutive patients treated with DES for vertebral origin stenosis. The demographics, indications for treatment, procedural technique, clinical and radiographical follow-up results were reviewed. The technical success rate was 100% without any complications. Postprocedure residual stenosis was 8.6% (range=0-12%). All patients were followed up clinically for a mean of 28.3 months (range=12-68months), and two patients (4.2%) had recurrent stroke in stented-vessel territories at 5 and 17 months after the procedure, respectively. Digital subtraction angiography was performed at follow-up in 38 patients (80.9%) at a mean of 16.3 months (range=6-48months) and showed two patients with ISR (5.3%) and four stent fractures (10.5%). One asymptomatic ISR was related to stent fracture. DES for vertebral origin stenosis are safe and effective with an acceptable lower ISR rate. However, stent fracture may be a potential complication and requires long-term follow-up.
Authors:
Xinpu Chen; Qinghai Huang; Bo Hong; Yongwei Zhang; Yi Xu; Jianmin Liu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia     Volume:  18     ISSN:  1532-2653     ISO Abbreviation:  J Clin Neurosci     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9433352     Medline TA:  J Clin Neurosci     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  47-51     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Neurosurgery, Changhai Hospital, Second Military Medical University, 168 Changhai Road, Shanghai 200433, China.
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