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Histopathology of vascular response to drug-eluting stents: an insight from human autopsy into daily practice

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Abstract

Drug-eluting stents (DES) were developed with the primary purpose of inhibiting neointimal overgrowth following percutaneous coronary intervention (PCI). While DES have significantly reduced the rates of restenosis compared with bare metal stent (BMS), they have not completely eliminated it. Moreover, late stent thrombosis (LST), attributed to delayed arterial healing or abnormal vessel responses to DES, have emerged as a major safety concern. Although newer DES or other novel devices are expected to show promising results, the problems in interventional technologies have not been completely resolved. In this review, we will consider the current status of DES in clinical practice and discuss the strengths and limitations of recent advances from the view of histopathology.

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Acknowledgments

CVPath Institute Inc. solely provided full support for this work. Dr. Virmani receives research support from Abbott Vascular, BioSensors International, Biotronik, Boston Scientific, Medtronic, MicroPort Medical, OrbusNeich Medical, SINO Medical Technology, and Terumo Corporation; has speaking engagements with Merck; receives honoraria from Abbott Vascular, Boston Scientific, Lutonix, Medtronic, and Terumo Corporation; and is a consultant for 480 Biomedical, Abbott Vascular, Medtronic, and W.L. Gore. Dr. Nakano has received speaking honorarium from Abbott Vascular, Boston Scientific, and Terumo Corporation. CVPath Institute has research Grants from Abbott Vascular, Biosensors International, Boston Scientific, Cordis/Johnson&Johnson, Medtronic CardioVascular, OrbusNeich Medical, and Terumo Corporation.

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Correspondence to Renu Virmani.

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Nakano, M., Virmani, R. Histopathology of vascular response to drug-eluting stents: an insight from human autopsy into daily practice. Cardiovasc Interv and Ther 30, 1–11 (2015). https://doi.org/10.1007/s12928-014-0281-5

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  • DOI: https://doi.org/10.1007/s12928-014-0281-5

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