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Percutaneous transluminal angioplasty and stenting in patients with proximal vertebral artery stenosis.

Abstract：

BACKGROUND:Atherosclerotic occlusive disease of the proximal vertebral artery is an important cause of cerebrovascular ischemic events with a significant associated morbidity and mortality. Endovascular treatment has emerged as a promising tool of the therapeutic armamentarium, along with medical therapy and surgical reconstruction. Our objective was to systemically review the pertinent evidence on the endovascular management of proximal vertebral artery disease and perform an analysis of the published outcomes. METHODS:A systematic review of the literature identified all studies reporting percutaneous transluminal angioplasty or stenting, or both, for proximal vertebral artery stenosis. Web-based search engines were searched using the Medical Subject Headings terms "vertebral artery," "angioplasty," and "stents" in all possible combinations. Studies comprising a series of at least five patients were considered for analysis. Periprocedural transient ischemic attack and stroke and death from any cause ≤30 days of treatment were defined as the primary outcome end points. RESULTS:One randomized controlled trial comparing angioplasty and stenting of the proximal vertebral artery and medical therapy was identified. No comparative studies of endovascular treatment and open surgical repair were found. Forty-two selected studies reported endovascular treatment (angioplasty or stenting, or both) of 1117 vertebral arteries in 1099 patients. The weighted mean technical success rate was 97% (range, 36%-100%). Periprocedural transient ischemic attack occurred in 17 patients (1.5%). The combined stroke and death rate was 1.1%. Recurrent symptoms of vertebrobasilar insufficiency developed in 65 of 967 patients (8%) within a reported follow-up of 6 to 54 months. Restenosis developed in 183 of 789 patients (23%) who underwent follow-up imaging (range, 0%-58%). Reintervention for recurrent disease during follow-up occurred in 86 patients (9%; range, 0%-35%). CONCLUSIONS:There is limited comparative evidence on the efficacy of medical, surgical, and endovascular treatment of proximal vertebral artery disease. Percutaneous transluminal angioplasty and stenting has low periprocedural neurologic adverse events and mortality.

journal_name

J Vasc Surg

journal_title

Journal of vascular surgery

authors

Antoniou GA,Murray D,Georgiadis GS,Antoniou SA,Schiro A,Serracino-Inglott F,Smyth JV

doi

10.1016/j.jvs.2011.09.084

subject

Has Abstract

pub_date

2012-04-01 00:00:00

pages

1167-77

issue

eissn

0741-5214

issn

1097-6809

pii

S0741-5214(11)02301-9

journal_volume

pub_type

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Percutaneous transluminal angioplasty and stenting in patients with proximal vertebral artery stenosis.