Abstract
Vertebral artery disease (VAD) is a significant cause of severe symptoms or stroke. Approximately 25 to 30% of strokes involve the posterior circulation system; VAD will be present in 20% of these and will be the source in about 10%. The ability to properly diagnose, manage, and treat VAD is an important skill for practitioners caring for patients with extracranial cerebral occlusive disease. This review covers anatomy, presentations of VAD, evaluation, patterns of disease, treatment, and other vertebral artery (VA) syndromes. Tables outline symptoms and differential diagnoses of vertebrobasilar insufficiency, etiologies of VA compression syndromes, posterior circulation cerebrovascular accident symptoms and associated syndromes, and ultrasonography velocity and VA stenosis. Figures show the anatomy of the VA, circle of Willis, aberrant arteries, VA compression, ischemic posterior circulation, collateral pathways to the VA, common disease patterns in VAD, VA to carotid artery anastomosis, incision for the V3 bypass, VA aneurysm, VA dissection, angiography of the right VA, giant cell arteritis, and fibromuscular dysplasia. Radiologic videos are provided. This review contains 15 figures, 6 tables, 7 videos, and 71 references.
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