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  • Title: In-Hospital Outcomes of Chronic Total Occlusion Percutaneous Coronary Intervention in Patients With Chronic Kidney Disease.
    Author: Tajti P, Karatasakis A, Danek BA, Alaswad K, Karmpaliotis D, Jaffer FA, Choi JW, Yeh RW, Patel M, Mahmud E, Burke MN, Krestyaninov O, Khelimskii D, Toma C, Doing AH, Uretsky B, Koutouzis M, Tsiafoutis I, Wyman RM, Garcia S, Holper E, Xenogiannis I, Rangan BV, Banerjee S, Ungi I, Brilakis ES.
    Journal: J Invasive Cardiol; 2018 Nov; 30(11):E113-E121. PubMed ID: 30218557.
    Abstract:
    OBJECTIVES: The effect of chronic kidney disease (CKD) on in-hospital outcomes of chronic total occlusion (CTO) percutaneous coronary intervention (PCI) has received limited study. METHODS: We evaluated the prevalence of CKD and its impact on CTO-PCI outcomes in 1979 patients who underwent 2040 procedures between 2012 and 2017 at 18 centers. CKD was defined as preprocedural estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m². RESULTS: Compared with patients without CKD (n = 1444; 73%), patients with CKD (n = 535; 27%) had more comorbidities (hypertension, diabetes mellitus, heart failure, peripheral arterial disease, prior myocardial infarction, PCI, coronary artery bypass graft surgery, and stroke), and more severe calcification and proximal vessel tortuosity. Patients with and without CKD had similar technical success rates (84% vs 86%; P=.49) and procedural success rates (83% vs 84%; P=.44). Patients with CKD had higher in-hospital mortality rate (1.9% vs 0.3%; P<.001) and in-hospital major adverse cardiovascular event (MACE) rate (4.3% vs 2.2%; P<.01). In-hospital mortality and MACE rates increased with decreasing eGFR levels (P=.03). In multivariate analysis, an independent association was observed between CKD and in-hospital mortality (adjusted odd ratio, 4.4; 95% confidence interval, 1.2-16.0; P=.02), but not overall MACE (adjusted odds ratio, 1.4; 95% confidence interval, 0.8-2.7; P=.28). CONCLUSIONS: CKD is common among patients undergoing CTO-PCI. High success rates can be achieved in patients with decreased glomerular filtration rate, but CKD may be associated with higher in-hospital mortality.
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