eISSN: 2299-0054
ISSN: 1895-4588
Videosurgery and Other Miniinvasive Techniques
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1/2021
vol. 16
 
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abstract:
Original paper

Endovascular revascularization of chronically occluded vertebral artery: single-center experience

Xueli Cai
1, 2
,
Liangtong Huang
2
,
Xueping Chen
2
,
Jingping Sun
2
,
Feng Gao
1

1.
Department of Neurology, The Second Afliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
2.
Department of Neurology, Lishui Hospital of Zhejiang University (Lishui Municipal Central Hospital), Lishui, Zhejiang, China
Videosurgery Miniinv 2021; 16 (1): 211–218
Online publish date: 2020/07/27
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Introduction
Chronic vertebral basilar artery occlusion is one of the most common causes of ischemic stroke, which accounts for roughly 20% of all cases. However, the evidence for the precise clinical effect in treatment of the initial segment of chronic vertebral basilar artery occlusion is not sufficient. Aim: To evaluate the feasibility and efficacy of endovascular therapy in the initial segment of chronic vertebral basilar artery occlusion.

Material and methods
This is a retrospective study based on data obtained from Lishui Hospital of Zhejiang University. We identified patients who underwent treatment for initial segment occlusion of the vertebral basilar artery from September 2014 to September 2018.

Results
Among a total of twenty-two subjects, 77.27% of them were men and the median age was 61 years old. The primary medical history of these patients included hypertension (15, 68.18%), hyperlipidemia (13, 59.09%), diabetes mellitus (11, 50.00%), and coronary artery disease (6, 27.27%). About 54.54% of the patients were current smokers. Successful recanalization was achieved in 86.36% of patients. Five cases of balloon dilatation were recanalized and fourteen cases were treated by balloon dilation combined with stent implantation. During the follow-up period, there were no recurrent cerebral ischemic events, including transient ischemic attack or stroke. Six (27.27%) arteries were found to exhibit angiographic re-stenosis.

Conclusions
The clinical effect of balloon dilatation or balloon dilatation combined with stenting in the treatment of chronic vertebral basilar artery occlusion in the beginning segment was feasible and safe.

keywords:

endovascular therapy, clinical effect, chronic vertebral basilar artery occlusion

  
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