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Stent expansion evaluated by optical coherence tomography and subsequent outcomes

Authors
 Bom Lee  ;  Teklay Gebrehaweria Baraki  ;  Byung Gyu Kim  ;  Yong-Joon Lee  ;  Seung-Jun Lee  ;  Sung-Jin Hong  ;  Chul-Min Ahn  ;  Dong-Ho Shin  ;  Byeong-Keuk Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Myeong-Ki Hong  ;  Yangsoo Jang  ;  Jung-Sun Kim 
Citation
 SCIENTIFIC REPORTS, Vol.13(1) : 3781, 2023-03 
Journal Title
SCIENTIFIC REPORTS
Issue Date
2023-03
MeSH
Coronary Vessels / diagnostic imaging ; Drug-Eluting Stents* / adverse effects ; Humans ; Linear Models ; Stents / adverse effects ; Tomography, Optical Coherence*
Abstract
Regarding stent expansion indices, previous optical coherence tomography (OCT) studies have shown minimal stent area (MSA) to be most predictive of adverse events. We sought to evaluate the impact of various stent expansion and apposition indices by post-stent OCT on clinical outcomes and find OCT-defined optimal stent implantation criteria. A total of 1071 patients with 1123 native coronary artery lesions treated with new-generation drug-eluting stents with OCT guidance and final post-stent OCT analysis were included. Several stent expansion indices (MSA, MSA/average reference lumen area, MSA/distal reference lumen area, mean stent expansion, and stent expansion by linear model [stent volume/adaptive reference lumen volume]) were evaluated for their association with device-oriented clinical endpoints (DoCE) including cardiac death, target vessel-related myocardial infarction (MI) or stent thrombosis, and target lesion revascularization. MSA was negatively correlated with the risk of DoCE (hazard ratio [HR] 0.80 [0.68‒0.94]). However, stent expansion by linear model representing the overall volumetric stent expansion was associated with greater risk of DoCE (HR 1.02 [1.00‒1.04]). As categorical criteria, MSA < 5.0 mm2 (HR 3.90 [1.99‒7.65]), MSA/distal reference lumen area < 90% (HR 2.16 [1.12‒4.19]), and stent expansion by linear model ≥ 65.0% (HR 1.95 [1.03‒3.89]) were independently associated with DoCE. This OCT study highlights the importance of sufficient stent expansion to achieve adequate, absolute, and relative MSA criteria for improving clinical outcome. It also emphasises that overall volumetric excessive stent expansion may have detrimental effects.

© 2023. The Author(s).
Files in This Item:
T202301725.pdf Download
DOI
10.1038/s41598-023-30717-6
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
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, Yong Joon(이용준)
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/22282913/195917
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