Abstract
Angioplasty using drug-coated balloons in ostial vertebral artery stenosis – first experiences in a small case series Background: Approximately 20-25% of all ischemic strokes occur in the posterior circulation; and 10-20% of the patients with ostial vertebral artery stenosis (OVAS) will suffer from a stroke. Furthermore, patients with a vertebrobasilar transient ischemic attack
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