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  • Title: Impact of chronic kidney disease on long-term clinical outcomes of everolimus-eluting stent implantation: A subanalysis of the Tokyo-MD PCI registry.
    Author: Miyazaki T, Ashikaga T, Asano M, Sasaoka T, Kurihara K, Yoshikawa S, Isobe M, Tokyo-MD PCI Study Investigators.
    Journal: Catheter Cardiovasc Interv; 2019 Jul 01; 94(1):E9-E16. PubMed ID: 30714680.
    Abstract:
    OBJECTIVE: The aim of the study was to investigate the impact of chronic kidney disease (CKD) on the 5-year clinical outcomes of everolimus-eluting stent (EES) implantation. BACKGROUND: Recent studies have demonstrated the safety and efficacy of EES. However, limited information exists on the long-term clinical outcomes associated with CKD. METHODS: The Tokyo-MD PCI study is a multi-center observational study designed to describe the clinical outcomes of unselected patients after EES implantation. In this subanalysis, patients on maintenance hemodialysis were excluded, and patients with (n = 316) or without (n = 1,424) CKD were evaluated for their 5-year incidence rates of major adverse cardiac events (MACEs), defined as death, non-fatal myocardial infarction, ischemia driven target lesion revascularization (ID-TLR), and stent thrombosis (ST). RESULTS: The mean and median follow-up duration were 1,391 ± 557 days and 1,769 days (interquartile range, 1,012-1,800 days), respectively. Although the incidence of ID-TLR and ST was similar between patients with and without CKD (4.9% vs. 3.7%, P = 0.26, 0.5% vs. 1.0%, P = 0.20, respectively), cardiac death and MACE were significantly higher in patients with CKD than in those without CKD (6.5% vs. 2.9%, P = 0.007, 26.9% vs. 14.0%, P < 0.001, respectively). In multivariate analysis, CKD was an independent predictor of MACE (hazard ratio 1.22 [95% confidence interval 1.04-1.43], P = 0.01). CONCLUSIONS: Patients with CKD had similar ID-TLR and ST rates as those without CKD at 5 years after EES implantation. The risk of long-term MACEs appeared to be associated with CKD.
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