Cerebral stroke is the major pathogen responsible for chronic disability and the third most common cause of death in developed countries (only after coronary artery disease and cancer) (World Health Organization data).
Atherosclerotic pathology of carotid arteries, leading to stenosis greater than 50%, is associated with a risk of stroke / year of 0.5% -1.0%. Today’s major medical guidelines recommend finding and treating carotid stenosis before they can cause ischemic brain problems.