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

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Author(s)
Seung-Yul LeeChul-Min AhnHyuck-Jun YoonSeung-Ho HurJung-Sun KimByeong-Keuk KimYoung-Guk KoDonghoon ChoiYangsoo JangMyeong-Ki Hong
Keimyung Author(s)
Yoon, Hyuck JunHur, Seung Ho
Department
Dept. of Internal Medicine (내과학)
Journal Title
Circulation: Cardiovascular Interventions
Issued Date
2018
Volume
11
Issue
12
Keyword
coronary artery diseasedrug-eluting stentsoptical 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 wallto- 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.
Keimyung Author(s)(Kor)
윤혁준
허승호
Publisher
School of Medicine (의과대학)
Citation
Seung-Yul Lee et al. (2018). Early Follow-Up Optical Coherence Tomographic Findings of Significant Drug-Eluting Stent Malapposition. Circulation: Cardiovascular Interventions, 11(12), e007192–e007192. doi: 10.1161/CIRCINTERVENTIONS.118.007192
Type
Article
ISSN
1941-7632
Source
https://www.ahajournals.org/doi/full/10.1161/CIRCINTERVENTIONS.118.007192?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed
DOI
10.1161/CIRCINTERVENTIONS.118.007192
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/41845
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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