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Stents : Coronary & Peripherals Kathleen Duclos Felix Amyot Slim Gharbi What is a stent ? • A stent is a tiny mesh tube that looks like a small cylindrical spring which is inserted into a natural conduit of the body to prevent or counteract a disease-induced localized flow constriction. • Some stents are coated with medicamentation to help prevent the artery from closing again, these are called DES (drug eluting stents) Potential Complications of Coronary Stenting: Restenosis in aTraditional Bare-Metal Stent and Late Thrombosis in a Drug-Eluting Stent. Problematic: How to prevent or limit the late restinosis and thrombosis?