Late-acquired incomplete stent apposition: morphologic characterization

Authors
Seung-Ho HurJunya AkoYasuhiro HondaKrishnankutty SudhirPeter J. Fitzgerald
Department
Dept. of Internal Medicine (내과학)
Issue Date
2009
Citation
Cardiovascular Revascularization Medicine, Vol.10(4) : 236-246, 2009
ISSN
1553-8389
Abstract
Incomplete stent apposition (ISA) is a lack of contact between stents and the underlying vessel wall, best described by intravascular ultrasound (IVUS). Late acquired incomplete apposition, defined as complete stent apposition at the time of procedure but ISA at follow-up, is an unusual IVUS finding reported in intracoronary brachytherapy, bare-metal stent (BMS), and drug-eluting stent (DES) implantation. Late-acquired ISA is observed relatively more frequently with DES implantation compared with BMS implantation. Possible mechanisms of this phenomenon include focal/extensive vascular remodeling and dissolution of thrombus. While there are conflicting reports regarding the possible impact of this IVUS finding on clinical outcomes, recent reports of DES have suggested its possible association with late adverse cardiac events including late stent thrombosis. In this paper, we review the incidence, location, underlying pathology, and possible clinical sequelae of late-acquired ISA, primarily focusing on that of DES. Keywords Ultrasonics; Stent; Thrombosis; Apposition
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/35369
Appears in Collections:
1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
Keimyung Author(s)
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Full Text
https://www.sciencedirect.com/science/article/pii/S1553838909000451?via%3Dihub
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