Document Detail


The relationship between tumor necrosis factor-α, brain natriuretic peptide and atrial natriuretic peptide in patients with chronic heart failure.
MedLine Citation:
PMID:  19155075     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Cytokines such as tumor necrosis factor-alpha (TNF) contribute to cardiac dysfunction in chronic heart failure (CHF). Brain natriuretic peptide (BNP) and atrial natriuretic peptide (ANP) are thought to reflect cardiac functional and structural damage.
METHODS AND RESULTS: To study the relationship between BNP, ANP, and TNF, these parameters were measured in fasting venous blood samples of 25 CHF patients (age 66+/-2 years, pVO(2) 17.4+/-2.1 mL/kg/min, NYHA class 2.8+/-0.2, all mean+/-SEM) and 8 healthy controls (age 71+/-2 years). Patients with CHF had higher plasma levels of BNP (p<0.05), ANP (p<0.05), norepinephrine (p<0.01), and echocardiographic left ventricular end-diastolic diameter (LVEDD, p<0.05) compared to controls, whereas TNF and epinephrine were not significantly different. There were significant correlations between natriuretic peptides and markers of inflammation and myocardial dysfunction in CHF patients: BNP vs. TNF (r=0.64, p=0.0006), vs. LVEDD (r=0.59, p=0.0025); ANP vs. TNF (r=0.60, p=0.0016), vs. LVEDD (r=0.65, p=0.0006); TNF vs. LVEDD (r=0.57, p=0.004). After adjustment for NYHA, creatinine clearance, and age TNF correlated with BNP (all p=0.01) and ANP (all p<0.002). The cachectic CHF patients (n=7,>6% weight loss) had the highest BNP (p<0.001 vs. controls, p<0.05 vs. non-cachectic CHF) and ANP levels (p=0.01 vs. controls). Concentrations of uric acid, epinephrine, and norepinephrine also correlated with ANP and BNP.
CONCLUSION: In CHF, TNF is closely related to BNP and ANP (independently of CHF severity and ventricular dysfunction), particularly in patients with cardiac cachexia. TNF may causally contribute to intrinsic cardiac dysfunction thereby stimulating BNP and ANP secretion.
Authors:
Amalia Vaz Pérez; Wolfram Doehner; Stephan von Haehling; Hendrik Schmidt; Arabel V Zimmermann; Hans-Dieter Volk; Stefan D Anker; Mathias Rauchhaus
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-01-19
Journal Detail:
Title:  International journal of cardiology     Volume:  141     ISSN:  1874-1754     ISO Abbreviation:  Int. J. Cardiol.     Publication Date:  2010 May 
Date Detail:
Created Date:  2010-05-10     Completed Date:  2011-01-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8200291     Medline TA:  Int J Cardiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  39-43     Citation Subset:  IM    
Copyright Information:
Crown Copyright (c) 2008. Published by Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Competence Network Heart Failure, Department of Cardiology, Campus Virchow-Klinikum, Charité - Universitätsmedizin Berlin, Berlin, Germany.
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MeSH Terms
Descriptor/Qualifier:
Age Factors
Aged
Atrial Natriuretic Factor / blood*
Biological Markers / blood
Cachexia / blood,  diagnosis,  etiology
Female
Heart Failure / blood*,  diagnosis,  etiology
Humans
Male
Middle Aged
Natriuretic Peptide, Brain / blood*
Severity of Illness Index
Tumor Necrosis Factor-alpha / blood*
Ventricular Dysfunction / blood,  diagnosis,  etiology
Chemical
Reg. No./Substance:
0/Biological Markers; 0/Tumor Necrosis Factor-alpha; 114471-18-0/Natriuretic Peptide, Brain; 85637-73-6/Atrial Natriuretic Factor

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