Document Detail


Usefulness of NT-proBNP in the assessment of patients with aortic or mitral regurgitation.
MedLine Citation:
PMID:  19606057     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Recent application of brain natriuretic peptide and N-terminal prohormone brain natriuretic peptide (NT-proBNP) in cardiac valvular disease is very promising. AIMS: To test the usefulness of NT-proBNP in the assessment of patients with aortic or mitral regurgitation. PATIENTS AND METHODS: Sixty-seven patients - 23 with aortic and 12 with mitral regurgitation vs. 32 controls - were examined by color Doppler echocardiography, cardiopulmonary exercise testing, Minnesota Living with Heart Failure Questionnaire (MLWHFQ) and plasma NT-proBNP assay at rest (T0) and after maximal physical exercise (T1). RESULTS: NT-proBNP was significantly higher in patients than in controls, both at T0 (298 +/- 85 vs. 46 +/- 11 pg/ml; P < 0.01) and at T1 (366 +/- 106 vs. 50 +/- 12 pg/ml; P < 0.01). MLWHFQ score was significantly higher in patients (19 +/- 3 vs. 1 +/- 0.6; P < 0.001) with a significant inverse correlation with VO2max (r = -0.538, P < 0.001) and a direct correlation with NT-proBNP (T0: r = 0.415, P < 0.01; T1: r = 0.458, P < 0.01). NT-proBNP was inversely correlated with VO2max (T0: r = -0.444, P < 0.001; T1:r = -0.428, P < 0.001) and directly correlated with left atrial diameter (T0: r = 0.370, P < 0.01; T1: r = 0.409, P = 0.001), and left ventricular mass index (r = 0.279, P < 0.01, and r = 0.272, P < 0.01). No correlations were found between echocardiographic parameters of valvular disease severity and VO2max, NT-proBNP and MLWHFQ. CONCLUSIONS: NT-proBNP is useful in the assessment of the cardiac functional damage secondary to mitral and aortic regurgitation.
Authors:
Floriana Petracca; Flora Affuso; Pasquale Di Conza; Filomena Micillo; Graziella Castellano; Vincenzo Guardasole; Francesco Scopacasa; Luigi Sacc??; Serafino Fazio
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cardiovascular medicine (Hagerstown, Md.)     Volume:  10     ISSN:  1558-2035     ISO Abbreviation:  J Cardiovasc Med (Hagerstown)     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-10-29     Completed Date:  2010-01-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101259752     Medline TA:  J Cardiovasc Med (Hagerstown)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  928-32     Citation Subset:  IM    
Affiliation:
Department of Internal Medicine, Italy.
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MeSH Terms
Descriptor/Qualifier:
Aortic Valve Insufficiency / blood*,  physiopathology
Biological Markers / blood
Case-Control Studies
Exercise / physiology
Female
Humans
Male
Middle Aged
Mitral Valve Insufficiency / blood*,  physiopathology
Natriuretic Peptide, Brain / blood*
Oxygen Consumption
Peptide Fragments / blood*
Chemical
Reg. No./Substance:
0/Biological Markers; 0/Peptide Fragments; 0/pro-brain natriuretic peptide (1-76); 114471-18-0/Natriuretic Peptide, Brain

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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