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

医学 椎动脉 再狭窄 颈内动脉 椎基底动脉供血不足 闭塞 颈动脉支架置入术 外科 狭窄 回顾性队列研究 心脏病学 放射科 血流动力学 内科学 支架 颈动脉内膜切除术
作者
Tomonori Iwata,Takahisa Mori,Hiroyuki Tajiri,Yuichi Miyazaki,Masahito Nakazaki
出处
期刊:Neurosurgery [Oxford University Press]
卷期号:70 (1): 82-90 被引量:32
标识
DOI:10.1227/neu.0b013e31822e074c
摘要

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.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.Included for analysis were patients (1) who underwent stenting for COs of the ICA or VA older than 3 months by FRT, and (2) who finished at least 1-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) angiographic complete occlusion of the ICA or VA, and (3) occlusion limited in the cervical area of the affected artery.During the study period, 6 patients underwent stenting by FRT for cervical COs successfully, ICAs in 4 cases and VAs in 2 cases. The prestenting 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 periprocedural period. Neither transient ischemic events nor restenosis has occurred during the follow-up period.COs of the cervical carotid or vertebral arteries older than 3 months can be opened safely with FRT, and 1-year angiographic and long-term clinical outcome is favorable.
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