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KMID : 0368120170470010050
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Korean Circulation Journal
2017 Volume.47 No. 1 p.50 ~ p.55
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Impact of Chronic Kidney Disease on Long-Term Outcome in Coronary Bypass Candidates Treated with Percutaneous Coronary Intervention
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Peng Jian Rong
Chang Chi Jen
Wang Chun Li
Tung Ying Chang
Lee Hsin Fu
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Abstract
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Background and Objectives: The aim of this study was to identify clinical, lesional, and procedural predictors for adverse outcomes of coronary angioplasty and stenting in coronary bypass candidates.
Subjects and Methods: This cohort study included 107 consecutive candidates for coronary artery bypass surgery who underwent percutaneous coronary intervention with multiple coronary stents between Jan 2004 and Dec 2011. The study endpoint was major adverse cardiovascular events (MACEs) including all-cause mortality, nonfatal myocardial infarction, repeat revascularization, and stent thrombosis. Follow up was from the date of index percutaneous coronary intervention to the date of the first MACE, date of death, or December 31, 2015, whichever came first.
Results: In this study (age 62.3±11.2 years, 86% male), 38 patients (36%) had MACE. Among baseline, angiographic, and procedural parameters, there were significant differences in lower left ventricular ejection fraction (LVEF) and worse renal function. In a Cox regression model, LVEF and chronic kidney disease (CKD) were significant predictors for MACE. After a multivariate adjustment, CKD remained a significant predictor of MACEs (hazard ratio: 2.97, 95% confidence interval: 1.50-5.90).
Conclusions: For coronary bypass candidates who were treated with coronary angioplasty and stenting, CKD seems to be the strongest predictor for adverse outcomes compared with other traditional factors.
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KEYWORD
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Coronary artery disease, Coronary angioplasty, bypass surgery, Chronic kidney disease
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