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  • Title: Which method of GFR estimation has the best prognostic value in patients treated with primary PCI: Cockcroft-Gault formula, MDRD, or CKD-EPI equation?--A 6-year follow-up.
    Author: Tomaszuk-Kazberuk A, Kozuch M, Malyszko J, Bachorzewska-Gajewska H, Dobrzycki S, Musial WJ.
    Journal: Ren Fail; 2011; 33(10):983-9. PubMed ID: 22013931.
    Abstract:
    BACKGROUND/AIMS: The aim of this study was to determine the correlation between renal function and 6-year mortality in patients with acute myocardial infarction (AMI), treated successfully with primary percutaneous coronary intervention (PCI), and to examine whether Cockcroft-Gault (C-G) formula or Modification of Diet in Renal Disease (MDRD) study equation or CKD-EPI (Chronic Kidney Disease Epidemiology Collaboration) equation is the best predictor of very late mortality. METHODS: A prospective cohort study with 6-year follow-up of a homogenous group of 193 patients, with ST-segment elevation AMI treated with successful primary PCI. Glomerular filtration rate (GFR) estimated by C-G formula, MDRD, and CKD-EPI equation were analyzed. RESULTS: The patients with chronic kidney disease (CKD) had a much lower cumulative survival rate than those without it (p < 0.05). A larger area under the receiver-operating characteristic curve for death with respect to GFR for C-G formula was observed. In the multivariate analysis, only GFR ≥ 55 mL/min according to C-G formula was independently associated with lower mortality. CONCLUSION: CKD is associated with higher mortality after a successful primary PCI during a 6-year follow-up. C-G formula is better than MDRD and CKD-EPI equations at predicting mortality after AMI.
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