F. Perren
HUG, University Hospital and Medical Faculty of Geneva, Department of Clinical Neurosciences, Neurosonology Unit – Geneva, Switzerland
Following aspects will be presented: brief introduction on: risk factors / strokes due to internal carotid and vertebral artery stenosis, epidemiological data, grading of the ICA/VA stenoses: methods and grading steps, assessment, hemodynamic effects, pitfalls, recommendations, review of the literature.
Key words: angle correction, atherosclerosis, grading of stenosis (ECST, NASCET), ICA, VA, Spencer curve, stroke.