A tiny balloon at the end of the catheter is inflated to open the narrowed artery. A metal stent is inserted to prevent the artery from narrowing all over again. Lowered blood circulation. A carotid artery could possibly get so narrow due to atherosclerosis that not ample blood reaches portions https://www.sgvascularctr.com/revealing-the-latest-innovations-in-carotid-artery-disease-treatment/