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  • Title: Chronic kidney disease: Prognostic marker of nonfatal pulmonary thromboembolism.
    Author: Ouatu A, Tãnase DM, Floria M, Ionescu SD, Ambãruş V, Arsenescu-Georgescu C.
    Journal: Anatol J Cardiol; 2015 Nov; 15(11):938-43. PubMed ID: 25868039.
    Abstract:
    OBJECTIVE: Renal dysfunction is associated with increased cardiovascular morbidity and mortality. The alteration in renal function as a marker of mortality in pulmonary thromboembolism (PTE) has not been studied extensively. METHODS: Four hundred four consecutive patients diagnosed with non-high-risk PTE (without cardiogenic shock or blood pressure <90 mm Hg) were prospectively enrolled in the study between 2005-2010. Kidney function, based on glomerular filtration rate (GFR), calculated by the simplified modification in diet in renal disease (MDRD) equation (sMDRD); troponin I; B-type natriuretic peptide (BNP); and echocardiographic markers of right ventricular (RV) function were determined in survivors versus non-survivors after a 2-year follow-up. RESULTS: GFR was significantly lower in non-survivors than in survivors: 51.85±19.08 mL/min/1.73 m2 and 71.65±23.21 mL/min/1.73 m2, respectively (p=0.000). The highest 2-year mortality rate (20%) was recorded in patients with moderate renal dysfunction associated with RV dysfunction. Using multivariate analysis, we found that GFR is an independent predictor of 2-year mortality (OR 0.973, 95% CI: 0.959-0.987, p=0.000), besides troponin I, dyslipidemia, acceleration time of pulmonary ejection, pericardial effusion, and BNP. CONCLUSION: The association of renal dysfunction with right ventricular dysfunction in patients with non-fatal pulmonary thromboembolism resulted in high mortality. Renal dysfunction, assessed by glomerular filtration rate, may be used in the risk stratification of patients with non-high-risk pulmonary thromboembolism, besides troponin I, BNP, and right ventricle echocardiographic dysfunction markers.
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