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Impact of late stent malapposition after drug-eluting stent implantation on long-term clinical outcomes

Authors
 Eui Im  ;  Seung-Yul Lee  ;  Sung-Jin Hong  ;  Chul-Min Ahn  ;  Jung-Sun Kim  ;  Byeong-Keuk Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Yangsoo Jang  ;  Myeong-Ki Hong 
Citation
 ATHEROSCLEROSIS, Vol.288 : 118-123, 2019 
Journal Title
 ATHEROSCLEROSIS 
ISSN
 0021-9150 
Issue Date
2019
Keywords
Coronary artery disease ; Drug-eluting stent ; Optical coherence tomography
Abstract
BACKGROUND AND AIMS: The impact of late drug-eluting stent (DES) malapposition detected by optical coherence tomography (OCT) on long-term clinical outcomes has not been clearly established. We evaluated long-term clinical outcomes of late stent malapposition (LSM) detected by OCT in a qualified study population. METHODS: A total of 428 patients were selected from previous randomized OCT studies that evaluated the degree of strut coverage of different DESs at a 3-12-month follow-up OCT examination. These patients were assigned to one of two groups based on the presence (n = 136) or absence (n = 292) of LSM on follow-up OCT images (performed at 7.0 ± 3.4 months after DES implantation). The cumulative rates of composite events (cardiac death, target-vessel-related myocardial infarction, target-vessel revascularization, and stent thrombosis) were compared between the two groups. RESULTS: During 73.7 ± 18.3 months of follow-up, cardiac death or (very) late stent thrombosis did not occur in either group. The cumulative rate of composite events was similar among the patients in each group (6.2% in patients with LSM vs. 11.7% in those without LSM) [hazard ratio (HR) = 0.569, 95% confidence interval (CI) = 0.257-1.257, p = 0.163]. Target vessel-related myocardial infarction occurred in 0.7% of patients with LSM vs. 1.5% of those without LSM (HR = 0.521, 95% CI = 0.058-4.670, p = 0.560). Target-vessel revascularization was performed in 5.4% of patients with LSM vs. 10.2% of those without LSM (HR = 0.574, 95% CI = 0.246-1.343, p = 0.201). CONCLUSIONS: Cardiac death or (very) late stent thrombosis did not occur in patients with OCT-detected LSM during long-term follow-up. The presence of OCT-detected LSM was not associated with adverse clinical events.
Full Text
https://www.sciencedirect.com/science/article/pii/S0021915019314169
DOI
10.1016/j.atherosclerosis.2019.07.014
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ko, Young Guk(고영국) ORCID logo https://orcid.org/0000-0001-7748-5788
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
Ahn, Chul-Min(안철민) ORCID logo https://orcid.org/0000-0002-7071-4370
Im, Eui(임의) ORCID logo https://orcid.org/0000-0002-5333-7593
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
Hong, Sung Jin(홍성진) ORCID logo https://orcid.org/0000-0003-4893-039X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/174634
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