Balloon-expandable stent angioplasty in the treatment of vertebral artery stenosis in the V2 segment

Xueli Cai; Yixin Wei; Shaojun Ren; Zhiping Wu; Xiao Peng; Yuejin Huang; Liangtong Huang; Xiumei Liu; Zhihua Yang

doi:10.5114/wiitm.2018.73435

eISSN: 2299-0054
ISSN: 1895-4588

Videosurgery and Other Miniinvasive Techniques

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2/2018
vol. 13

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abstract:

Original paper

Balloon-expandable stent angioplasty in the treatment of vertebral artery stenosis in the V2 segment

Xueli Cai

,

Yixin Wei

,

Shaojun Ren

,

Zhiping Wu

,

Xiao Peng

,

Yuejin Huang

,

Liangtong Huang

,

Xiumei Liu

,

Zhihua Yang

Videosurgery Miniinv 2018; 13 (2): 227–232

DOI: https://doi.org/10.5114/wiitm.2018.73435

Online publish date: 2018/02/12

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Introduction
Vertebral artery stenosis is a major cause of posterior circulation ischemia in the elderly. There is not a clear consensus on the optimal therapeutic approach for symptomatic extracranial vertebral artery stenosis.

Aim
To evaluate the feasibility and efficacy of balloon-expandable stent angioplasty in the treatment of vertebral artery stenosis in the V2 segment.

Material and methods
Five patients with vertebral artery stenosis (V2 segment) and treatment of percutaneous transluminal stenting from July 2009 to June 2014 were retrospectively evaluated. All patients underwent color Doppler, transcranial color Doppler (TCD), CT angiography (CTA) and cerebral digital subtraction angiography (DSA) preoperatively. Whether there was osseous oppression was determined according to neck computed tomography (CT) and CTA. After the surgery, angiography was performed to determine if there was infarction or bleeding in the intracranial vertebral artery, basilar artery and posterior cerebral artery. The surgical parameters, residual stenosis, complications, etc. were recorded and evaluated. The patients were followed up accordingly.

Results
Five patients (3 males, 2 females; average age of 66 ±4.2, range of 54–75) were enrolled in the study. Balloon-expandable stents were successfully implanted in the 5 patients. The mean residual stenosis after the balloon-expandable stenting (preoperative: average, 87.0 ±6.6%, range: 75–93%) was 12.6 ±7.8% (range: 5–25%). The clinical symptoms disappeared or receded. No serious complications occurred.

Conclusions
The balloon-expandable stent angioplasty seemed to be feasible and efficacious in treating vertebral artery stenosis in the V2 segment. Further study with a large sample size is needed.

keywords:

Balloon-expandable stent angioplasty in the treatment of vertebral artery stenosis in the V2 segment

Xueli Cai , Yixin Wei , Shaojun Ren , Zhiping Wu , Xiao Peng , Yuejin Huang , Liangtong Huang , Xiumei Liu , Zhihua Yang

posterior circulation ischemia, stent angioplasty, restenosis, vertebrobasilar insufficiency

Xueli Cai

,

Yixin Wei

,

Shaojun Ren

,

Zhiping Wu

,

Xiao Peng

,

Yuejin Huang

,

Liangtong Huang

,

Xiumei Liu

,

Zhihua Yang