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Long-term angiographic and clinical outcome following stenting by flow reversal technique for chronic occlusions older than 3 months of the cervical carotid or vertebral artery.
MedLine Citation:
PMID:  21778917     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND:: Long-term angiographic and clinical outcome following stenting by flow reversal technique (FRT) for chronic occlusions (COs) of the cervical internal carotid artery (ICA) or vertebral artery (VA) is unknown. OBJECTIVE:: The aim of our retrospective study was to investigate the feasibility, safety and long-term outcome of stenting by FRT for COs of the cervical ICA or VA. METHODS:: Included for analysis were patients (1) who underwent stenting for CO older than 3 months of the ICA or VA by FRT, and (2) who finished at least one-year follow-up angiographic and clinical investigation. Criteria of stenting for CO in the ICA or VA were patients (1) who experienced minor strokes, a transient ischemic attack, or transient symptoms probably due to hemodynamic compromise or insufficiency, (2) with angiographic complete occlusion of the ICA or VA, and (3) with occlusion limited in the cervical area of the affected artery. RESULTS:: During the study period, 6 patients underwent stenting by FRT for cervical COs successfully; ICAs in 4 cases and VAs in 2 cases. The pre-stenting angiographically estimated occlusion length ranged from 50 to 130 mm. Total length of the deployed stents ranged from 30 to 108 mm. No complications occurred during the peri-procedural period. Neither transient ischemic events nor restenosis has occurred during the follow-up period. CONCLUSION:: Chronic occlusions older than 3 months of the cervical carotid or vertebral arteries can be opened safely with flow reversal technique, and one-year angiographic and long-term clinical outcome is favorable.
Authors:
Tomonori Iwata; Takahisa Mori; Hiroyuki Tajiri; Yuichi Miyazaki; Masahito Nakazaki
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-19
Journal Detail:
Title:  Neurosurgery     Volume:  -     ISSN:  1524-4040     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-7-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802914     Medline TA:  Neurosurgery     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Stroke Treatment, Shonan Kamakura General Hospital.
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