Minimally Invasive Surgical Repair of Vertebral Artery Ostium Stenosis in Patients with Ischemic Stroke: A Single-Center Case Series.

Background: Ischemic stroke is the second leading cause of death in North Macedonia. Posterior circulation disease, caused by vertebral artery (VA) ostium (VAo) stenosis, is a common cause of ischemic stroke. We established a treatment approach using surgical revascularization of posterior circulation disease.