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Differential factors for predicting outcomes in left main versus non-left main coronary bifurcation stenting

Cha, JJ | Hong, SJ | Joo, HJ | Park, JH | Yu, CW | Ahn, TH | Kim, HS | Chun, WJ | Hur, SH | Han, SH | Rha, SW | Chae, IH | Jeong, JO | Heo, JH | Yoon, J | Choi, KH | Song, YB | Gwon, HC | Park, JS | Hong, MK | Doh, JH | Cha, KS | Kim, DI | Lee, SY | Chang, K | Hwang, BH | Choi, SY  | Jeong, MH | Nam, CW | Koo, BK | Lim, DS
Journal of clinical medicine, 10(14). : 3024-3024, 2021
Journal Title
Journal of clinical medicine
Background: No large-scale study has compared the clinical and angiographic predictors of cardiovascular events in patients with left main bifurcation (LMB) and non-LMB stenting after second-generation DES implantation. Herein, we investigated differential clinical and angiographic factors for predicting outcomes in LMB versus non-LMB stenting. Methods: A total of 2648 patients with bifurcation lesions treated with second-generation DESs from the retrospective patient cohort were divided into an LMB group (n = 935) and a non-LMB group (n = 1713). The primary outcome was the 7-year incidence of target lesion failure (TLF), defined as the composite of cardiac death, myocardial infarction, and target lesion revascularization. Results: The incidence of TLF was 9.8%. Those in the LMB group were associated with a higher risk of TLF (14.2% versus 7.5%, p < 0.001) than those in the non-LMB group. Regarding the LMB group, independent predictors of TLF were chronic kidney disease (CKD), reduced left ventricular ejection fraction (LVEF), and two-stenting. Regarding the non-LMB group, CKD, reduced LVEF, old age, diabetes, and small diameter of the main vessel stent were independent predictors of TLF. Conclusions: The two-stent strategy could potentially increase TLF for the LMB lesions, and achieving the maximal diameter of the main vessel stent could result in better clinical outcomes for non-LMB lesions.

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Journal Papers > School of Medicine / Graduate School of Medicine > Cardiology
Ajou Authors
최, 소연
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