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Clinical Implications of Poststent Optical Coherence Tomographic Findings: Severe Malapposition and Cardiac Events

Authors
 Byung Gyu Kim  ;  Mateusz Kachel  ;  Jung-Sun Kim  ;  Giulio Guagliumi  ;  Choongki Kim  ;  In-Soo Kim  ;  Yong-Joon Lee  ;  Oh-Hyun Lee  ;  Young Sup Byun  ;  Byung Ok Kim  ;  Krzysztof Milewski  ;  Seung-Jun Lee  ;  Sung-Jin Hong  ;  Chul-Min Ahn  ;  Dong-Ho Shin  ;  Byeong-Keuk Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Yangsoo Jang 
Citation
 JACC-CARDIOVASCULAR IMAGING, Vol.15(1) : 126-137, 2022-01 
Journal Title
JACC-CARDIOVASCULAR IMAGING
ISSN
 1936-878X 
Issue Date
2022-01
MeSH
Coronary Angiography ; Coronary Artery Disease* / diagnostic imaging ; Coronary Artery Disease* / therapy ; Coronary Vessels / diagnostic imaging ; Coronary Vessels / surgery ; Humans ; Percutaneous Coronary Intervention* / adverse effects ; Predictive Value of Tests ; Tomography, Optical Coherence / methods ; Treatment Outcome
Keywords
drug-eluting stent(s) ; malapposition ; optical coherence tomography ; percutaneous coronary intervention ; total malapposition volume
Abstract
Objectives: This study sought to evaluate the impact of poststent optical coherence tomography (OCT) findings, including severe malapposition, on long-term clinical outcomes.

Background: Suboptimal OCT findings following percutaneous coronary intervention (PCI) are highly prevalent; however, their clinical implications remain controversial.

Methods: Of the patients registered in the Yonsei OCT registry, a total of 1,290 patients with 1,348 lesions, who underwent OCT immediately poststenting, were consecutively enrolled for this study. All patients underwent implantation of drug-eluting stents. Poststent OCT findings were assessed to identify predictors of device-oriented clinical endpoints (DoCE), including cardiac death, target vessel-related myocardial infarction (MI) or stent thrombosis, and target lesion revascularization (TLR). Significant malapposition criteria associated with major safety events (MSE) were also investigated, such as cardiac death, target vessel-related MI, or stent thrombosis.

Results: The median follow-up period was 43.0 months (interquartile range [IQR] 21.4 to 56.0 months). The incidence rates of stent edge dissection, tissue prolapse, thrombus, and malapposition after intervention were not associated with occurrence of DoCE. However, patients with significant malapposition (total malapposition volume [TMV] ≥7.0 mm3] exhibited more frequent MSE. A smaller minimal stent area (MSA) was identified as an independent predictor for DoCE (hazard ratio [HR]: 1.20 [95% confidence interval [CI]: 1.00 to 1.43]; p = 0.045). Malapposition with TMV ≥7.0 mm3 was found to be an independent predictor of MSE (HR: 6.12 [95% CI: 1.88 to 19.95]; p = 0.003). Follow-up OCT at 3, 6, or 9 months after PCI showed that poststent TMV ≥7.0 mm3 was related to a greater occurrence of late malapposition and uncovered struts.

Conclusions: Although most suboptimal OCT findings were not associated with clinical outcomes, a smaller MSA was associated with DoCE, driven mainly by TLR, and significant malapposition with TMV ≥7.0 mm3 was associated with more MSE after PCI. (Yonsei OCT [Optical Coherence Tomography] Registry for Evaluation of Efficacy and Safety of Coronary Stenting; Yonsei OCT registry; NCT02099162).
Full Text
https://www.sciencedirect.com/science/article/pii/S1936878X21002680
DOI
10.1016/j.jcmg.2021.03.008
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, In-Soo(김인수) ORCID logo https://orcid.org/0000-0003-2801-5514
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Shin, Dong Ho(신동호) ORCID logo https://orcid.org/0000-0002-7874-5542
Ahn, Chul-Min(안철민) ORCID logo https://orcid.org/0000-0002-7071-4370
Lee, Seung-Jun(이승준) ORCID logo https://orcid.org/0000-0002-9201-4818
Lee, Oh Hyun(이오현) ORCID logo https://orcid.org/0000-0001-7070-7720
Lee, Yong Joon(이용준)
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, Sung Jin(홍성진) ORCID logo https://orcid.org/0000-0003-4893-039X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/188054
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