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Long-term Clinical Outcomes of Drug-Eluting Stent Malapposition

 Seung Yul Lee  ;  Gary S Mintz  ;  Jung Sun Kim  ;  Byeong Keuk Kim  ;  Yangsoo Jang  ;  Myeong Ki Hong 
 KOREAN CIRCULATION JOURNAL, Vol.50(10) : 880-889, 2020-10 
Journal Title
Issue Date
Coronary artery disease ; Percutaneous coronary intervention ; Stents
Previous pathologic, intravascular imaging, and clinical studies have investigated the association between adverse cardiac events and stent malapposition, including acute stent malapposition (ASM, that is detected at index procedure) and late stent malapposition (LSM, that is detected during follow-up) that can be further classified into late-persistent stent malapposition (LPSM, ASM that remains at follow-up) or late-acquired stent malapposition (LASM, newly developed stent malapposition at follow-up that was not present immediately after index stent implantation). ASM has not been associated with adverse cardiac events compared with non-ASM, even in lesions with large-sized malapposition. The clinical outcomes of LSM may depend on its subtype. The recent intravascular ultrasound studies with long-term follow-up have consistently demonstrated that LASM steadily increased the risk of thrombotic events in patients with first-generation drug-eluting stents (DESs). This association has not yet been identified in LPSM. Accordingly, it is reasonable that approaches to stent malapposition should be based on its relationship with clinical outcomes. ASM may be tolerable after successful stent implantation, whereas prolonged anti-thrombotic medications and/or percutaneous interventions to modify LASM may be considered in selected patients with first-generation DESs. However, these treatments are still questionable due to lack of firm evidences.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Byeong Keuk(김병극) ORCID logo https://orcid.org/0000-0003-2493-066X
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
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