Antiplatelet agents contain aspirin, aspirin additionally dipyridamole, ticlopidine, and clopidogrel. They avert clots from forming by keeping blood cells and platelets from clumping alongside one another. They might be given to help protect against heart attack and stroke. Structural abnormalities: Occasionally irregularities inside the blood vessel anatomy could cause narrowing, https://www.sgvascularctr.com/types-of-treatments-for-vascular-diseases/