title: Drug-eluting stents: the past, present, and future.
abstract: Since the advent of percutaneous coronary intervention, enormous advances have been made in the treatment of coronary artery disease. Angioplasty and bare metal stents were plagued by high rates of restenosis leading to repeat revascularization procedures. Examination of the underlying pathophysiology of restenosis led to the development of drug-eluting stents to reduce neointimal hyperplasia. However, as restenosis rates declined, length of dual antiplatelet therapy use and risk of long-term stent thrombosis associated with drug-eluting stents increased. Subsequent generations have improved each facet of stent design. Novel alloys maintain durability and reduce strut thickness to increase deliverability, biocompatible polymers decrease the inflammatory response and improve drug elution kinetics, and new generations of drugs predictably inhibit restenosis. Developments on the horizon include stents with bioabsorbable polymers and platforms. The purpose of this review is to assess the evolution of stent design and the evidence behind each generation and to peer into the future of stent technology.
authors: New York University School of Medicine, 227 E 30th St., #835, New York, NY, 10016, USA.
authors: Gregory
authors: G
authors: Katz
authors: Bhisham
authors: B
authors: Harchandani
authors: Binita
authors: B
authors: Shah
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000379:methods; D000818:Animals; D002317:Cardiovascular Agents / Q000627:therapeutic use*; D003324:Coronary Artery Disease / Q000628:therapy*; D054855:Drug-Eluting Stents; D006801:Humans; D058426:Neointima / Q000517:prevention & control; D013927:Thrombosis / Q000628:therapy*
chemical_list: D002317:Cardiovascular Agents
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