Opinion statement
The development of bare metal stent (BMS) was a major advancement over plain old balloon angioplasty (POBA) in the management of symptomatic coronary artery disease. BMS prevented restenosis by attenuating early arterial recoil and contraction; both seen commonly after POBA. However, the rate of clinically indicated target lesion repeat revascularization due to a process of in-stent restenosis (ISR) at 1 year remained relatively high (10 to 20 %), often due to excessive neointimal growth (Fischman et al. N Engl J Med. 331:496, 1994; Serruys et al. N Engl J Med. 331:489, 1994; Cutlip et al. J Am Coll Cardiol 40:2082, 2002). Stents with drug elution technology (DES) were developed to reduce the relatively high rate of ISR and subsequent repeat revascularization seen with BMS. Clinical trials have confirmed a reduction of as much as 50 to 70 % in target lesion revascularization by DES compared to BMS. These findings have led to the preferential use of DES in the majority of percutaneous coronary intervention (PCI). However, as DES require a longer period of dual antiplatelet therapy (DAPT) to prevent stent thrombosis, DES are not appropriate for all patients.
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Perwaiz M. Meraj reports grants and personal fees from Abiomed Inc., grants and personal fees from Medtronic Inc., grants and personal fees from Boston Scientific Inc.
Rajiv Jauhar reports grants and personal fees from Medtronic Inc., and Abbott Inc.
Avneet Singh declares no potential conflicts of interest.
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Meraj, P.M., Jauhar, R. & Singh, A. Bare Metal Stents Versus Drug Eluting Stents: Where Do We Stand in 2015?. Curr Treat Options Cardio Med 17, 39 (2015). https://doi.org/10.1007/s11936-015-0393-y
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DOI: https://doi.org/10.1007/s11936-015-0393-y