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The prognostic value of estimated glomerular filtration rate, amino-terminal portion of the pro-hormone B-type natriuretic peptide and parameters of cardiopulmonary exercise testing in patients with chronic heart failure

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Published Online: Aug 7th 2018 Heart International 2012;7(2):e13 DOI: https://doi.org/10.4081/hi.2012.e13
Authors: Hein J. Verberne, Aukje van der Spank, Paul Bresser, Aernout Somsen
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The aim of this study was to evaluate the prognostic value of renal function in relation to amino-terminal portion of the pro-hormone B-type natriuretic peptide (NTproBNP) and parameters of cardiopulmonary exercise testing in predicting mortality and morbidity in patients with moderate chronic heart failure (CHF). Sixty-one CHF patients were included in the study. Patients’ characteristics were: age 64.3±11.6 years; New York Heart Association class I/II/III: 14/37/10; left ventricular ejection fraction: 0.30±0.13 (%); NT-proBNP: 252.2±348.0 (ng/L); estimated creatinine clearance (e-CC): 73.6±31.4 (mL/min); estimated glomerular filtration rate (e-GFR): 66.1±24.6 (mL/min/1.73 m2); the highest O2 uptake during exercise (VO2- peak): 1.24±0.12 mL/kg/min; VO2/workload: 8.52±1.81 (mL/min/W)]. During follow up (59.5±4.0 months) there were 15 cardiac deaths and 16 patients were hospitalized due to progression of heart failure. NT-proBNP and VO2/workload were independently associated with cardiac death (P=0.007 and P=0.006, respectively). Hospitalization for progressive CHF was only associated with NT-proBNP (P=0.002). The combined cardiac events (cardiac death and hospitalization) were associated with NT-proBNP and VO2/ workload (P=0.007 and P=0.005, respectively). The addition of estimates of renal function (neither serum creatinine nor e-GFR) did not improve the prognostic value for any of the models.In conclusion, in patients with moderate CHF, increased NT-proBNP and reduced VO2/ workload identify those with increased mortality and morbidity, irrespective of estimates of renal function.

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VO2, workload, NT-proBNP, prognosis, chronic heart failure, renal function

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Hein J. Verberne, Department of Nuclear Medicine, Room F2-238, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands. Tel. +31.20.5669111 – Fax: +31.20.5669092. E-mail: h.j.verberne@amc.uva.nl

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2011-10-25T00:00:00

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