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Early Follow-Up Optical Coherence Tomographic Findings of Significant Drug-Eluting Stent Malapposition

Authors
 Seung-Yul Lee  ;  Chul-Min Ahn  ;  Hyuck-Jun Yoon  ;  Seung-Ho Hur  ;  Jung-Sun Kim  ;  Byeong-Keuk Kim  ;  Young-Guk Ko  ;  Donghoon Choi  ;  Yangsoo Jang  ;  Myeong-Ki Hong 
Citation
 CIRCULATION-CARDIOVASCULAR INTERVENTIONS, Vol.11(12) : e007192, 2018 
Journal Title
 CIRCULATION-CARDIOVASCULAR INTERVENTIONS 
ISSN
 1941-7640 
Issue Date
2018
Keywords
coronary artery disease ; drug-eluting stents ; optical coherence tomography
Abstract
BACKGROUND: Using optical coherence tomography, we evaluated early follow-up findings of significant stent malapposition (SSM) in patients treated with second-generation drug-eluting stent. METHODS AND RESULTS: From the DETECT-OCT randomized trial (Determination of the Duration of the Dual Antiplatelet Therapy by the Degree of the Coverage of the Struts on Optical Coherence Tomography From the Randomized Comparison Between Everolimus- Versus Biolimus-Eluting Stent), a total of 386 patients (390 lesions) who underwent both postintervention and 3-month follow-up optical coherence tomography examinations were included for the present analysis. SSM was defined as a stent that had a strut with a maximal wall-to-strut distance of ≥200 μm. Postintervention, SSM was detected in 175 lesions (44.9%), including 117 lesions with a maximal wall-to-strut distance of ≥200 to <400 μm and 58 lesions with a maximal wall-to-strut distance of ≥400 μm. As the implanted stent diameter-to-reference vessel diameter ratio grew, the risk of postintervention SSM dropped (odds ratio, 0.587; 95% CI, 0.367-0.941; P=0.0398). The optimal value that best separated SSM from non-SSM postintervention was a stent diameter-to-reference vessel diameter ratio of 1.0. At 3 months follow-up, the frequency of SSM decreased from 44.9% to 33.6% (131 lesions; P=0.0001), mainly driven by the decrease in lesions with a maximal wall-to-strut distance of ≥200 to <400 μm. As the maximal wall-to-strut distance on postintervention optical coherence tomography was larger, the risk of 3-month SSM increased (odds ratio, 1.607; 95% CI, 1.131-2.286; P=0.0284). The optimal value that best separated SSM from non-SSM at 3 months follow-up was a maximal wall-to-strut distance postintervention of 230 μm. CONCLUSIONS: A spontaneous decrease in SSM was observed early in this qualified study with a large number of study patients treated with second-generation drug-eluting stent. CLINICAL TRIAL REGISTRATION: URL: https://www.clinicaltrials.gov . Unique identifier: NCT01752894.
Full Text
https://www.ahajournals.org/doi/full/10.1161/CIRCINTERVENTIONS.118.007192
DOI
10.1161/CIRCINTERVENTIONS.118.007192
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
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/166866
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