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Long-Term Clinical Outcomes and Its Predictors Between the 1- and 2-Stent Strategy in Coronary Bifurcation Lesions- A Baseline Clinical and Lesion Characteristic-Matched Analysis

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Author(s)
Albert Youngwoo JangMinsu KimPyung Chun OhSoon Yong SuhKyounghoon LeeWoong Chol KangKi Hong ChoiYoung Bin SongHyeon-Cheol GwonHyo-Soo KimWoo Jung ChunSeung-Ho HurSeung-Woon RhaIn-Ho ChaeJin-Ok JeongJung Ho HeoJunghan YoonSoon Jun HongJong-Seon ParkMyeong-Ki HongJoon-Hyung DohKwang Soo ChaDoo-Il KimSang Yeub LeeKiyuk ChangByung-Hee HwangSo-Yeon ChoiMyung Ho JeongChang-Wook NamBon-Kwon KooSeung Hwan Han
Keimyung Author(s)
Hur, Seung Ho
Department
Dept. of Internal Medicine (내과학)
Journal Title
Circ J
Issued Date
2022
Volume
86
Issue
9
Keyword
1-stent2-stentBifurcation lesionComplex lesionPredictors
Abstract
Background:
Differences in the impact of the 1- or 2-stent strategy in similar coronary bifurcation lesion conditions are not well understood. This study investigated the clinical outcomes and its predictors between 1 or 2 stents in propensity score-matched (PSM) complex bifurcation lesions.

Methods and Results:
We analyzed the data of patients with bifurcation lesions, obtained from a multicenter registry of 2,648 patients (median follow up, 53 months). The patients were treated by second generation drug-eluting stents (DESs). The primary outcome was target lesion failure (TLF), composite of cardiac death, target vessel myocardial infarction (TVMI), and ischemia-driven target lesion revascularization (TLR). PSM was performed to balance baseline clinical and angiographic discrepancies between 1 and 2 stents. After PSM (N=333 from each group), the 2-stent group had more TLRs (hazard ratio [HR] 3.14, 95% confidence interval [CI] 1.42–6.97, P=0.005) and fewer hard endpoints (composite of cardiac death and TVMI; HR 0.44, 95% CI 0.19–1.01, P=0.054), which resulted in a similar TLF rate (HR 1.40, 95% CI 0.83–2.37, P=0.209) compared to the 1-stent group. Compared with 1-stent, the 2-stent technique was more frequently associated with less TLF in the presence of main vessel (pinteraction=0.008) and side branch calcification (pinteraction=0.010).

Conclusions:
The 2-stent strategy should be considered to reduce hard clinical endpoints in complex bifurcation lesions, particularly those with calcifications.
Keimyung Author(s)(Kor)
허승호
Publisher
School of Medicine (의과대학)
Type
Article
ISSN
1347-4820
Source
https://www.jstage.jst.go.jp/article/circj/86/9/86_CJ-22-0163/_article
DOI
10.1253/circj.CJ-22-0163
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/44364
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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