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Severe acute stent malapposition follow-up: 3-month and 12-month serial quantitative analyses by optical coherence tomography

Authors
 Sung-Jin Hong  ;  Keun-Hee Park  ;  Chul-Min Ahn  ;  Jung-Sun Kim  ;  Byeong-Keuk Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Yangsoo Jang  ;  Myeong-Ki Hong 
Citation
 INTERNATIONAL JOURNAL OF CARDIOLOGY, Vol.299 : 81-86, 2020 
Journal Title
 INTERNATIONAL JOURNAL OF CARDIOLOGY 
ISSN
 0167-5273 
Issue Date
2020
Keywords
Coronary artery disease ; Drug-eluting stent ; Optical coherence tomography
Abstract
BACKGROUND: Optical coherence tomography (OCT) was used to assess serial changes in severe acute stent malapposition (ASM) after drug-eluting stent (DES) implantation. METHODS: The maximal depth and axial lengths of ASM after DES implantation were serially quantified at percutaneous coronary intervention (PCI), and at 3 and 12-month follow-up, for 100 lesions in 96 patients. Severe ASM was defined as a maximal malapposed depth ≥400 μm or maximal malapposed axial length ≥1 mm. RESULTS: Of the 100 lesions, 23 lesions (23%) had a severe ASM depth at PCI. At 3 months, the maximal depth decreased to <400 μm in 12 of 23 lesions (52%). At 12 months, the maximal depth further decreased to <400 μm in 8 of the remaining 11 lesions (73%). Similarly, of 53 lesions (53%) with a severe ASM length at PCI, the maximal length decreased to 0 mm in 26 (49%) but remained severe in 17 lesions (32%) at 3 months. At 12 months, 9 of the 17 remaining lesions (53%) further decreased to 0 mm. The cut-off values for the maximal malapposed depth and length to predict the absence of stent malapposition at 12 months were 565 μm at PCI and 165 μm at 3 months, and were 2.7 mm at PCI and 0.1 mm at 3 months, respectively. CONCLUSION: Half of the severe ASM cases resolved within 3 months, and another half resolved during 3-12 months of follow-up. Our findings provide a better understanding of the time-dependent natural course of severe ASM using OCT.
Full Text
https://www.sciencedirect.com/science/article/pii/S0167527319323009
DOI
10.1016/j.ijcard.2019.06.075
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
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/22282913/174870
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