| Utility of plasma N-terminal pro-brain natriuretic peptide (NT-proBNP) to distinguish between congestive heart failure and non-cardiac causes of acute dyspnea in cats. | |
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MedLine Citation:
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PMID: 19394287 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Circulating plasma N-terminal pro-brain natriuretic peptide (NT-proBNP) concentration facilitates emergency diagnosis of congestive heart failure (CHF) in people. Its utility to discriminate between dyspneic cats with CHF vs. primary respiratory disease requires further assessment. Our objectives were to determine if NT-proBNP (1) differentiates dyspneic cats with CHF vs. primary respiratory disease; (2) increases with renal insufficiency; (3) correlates with left atrial dimension, radiographic cardiomegaly, and estimated left ventricular filling pressure (E/E(a)). METHODS: NT-proBNP was measured in 167 dyspneic cats (66 primary respiratory disease, 101 CHF) to evaluate (1) relationship with clinical parameters; (2) ability to distinguish CHF from primary respiratory disease; (3) optimal cut-off values using receiver operating characteristic (ROC) curve analysis. RESULTS: NT-proBNP (1) was higher (median and inter-quartile [25th-75th] percentile) in CHF (754 pmol/L; 437, 1035 pmol/L) vs. primary respiratory disease (76.5 pmol/L; 24, 180 pmol/L) cohorts (P<0.001); (2) positively correlated in CHF cats with increased inter-ventricular septal end-diastolic thickness (rho=0.266; P=0.007) and LV free wall thickness (rho=0.218; P=0.027), but not with radiographic heart size, left atrial size, left ventricular dimensions, E/E(a) ratio, BUN, creatinine, or thyroxine; (3) distinguished dyspneic CHF cats from primary respiratory disease at 265 pmol/L cut-off value with 90.2% sensitivity, 87.9% specificity, 92% positive predictive value, and 85.3% negative predictive value (area under ROC curve, 0.94). CONCLUSIONS: NT-proBNP accurately discriminated CHF from respiratory disease causes of dyspnea. |
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Authors:
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Philip R Fox; Mark A Oyama; Caryn Reynolds; John E Rush; Terri C DeFrancesco; Bruce W Keene; Clark E Atkins; Kristin A Macdonald; Karsten E Schober; John D Bonagura; Rebecca L Stepien; Heidi B Kellihan; Thaibinh P Nguyenba; Linda B Lehmkuhl; Bonnie K Lefbom; N Sydney Moise; Daniel F Hogan |
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Publication Detail:
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Type: Journal Article; Multicenter Study Date: 2009-04-24 |
Journal Detail:
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Title: Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology Volume: 11 Suppl 1 ISSN: 1875-0834 ISO Abbreviation: J Vet Cardiol Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-05-25 Completed Date: 2009-06-25 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101163270 Medline TA: J Vet Cardiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: S51-61 Citation Subset: IM |
Affiliation:
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Caspary Institute, The Animal Medical Center, 510 East 62nd Street, New York, NY 10065, USA. philip.fox@amcny.org |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Biological Markers / blood Case-Control Studies Cat Diseases / blood*, diagnosis Cats Diagnosis, Differential Dyspnea / blood, diagnosis, etiology, veterinary Female Heart Failure / blood, complications, diagnosis, veterinary* Male Natriuretic Peptide, Brain / blood* Peptide Fragments / blood* Predictive Value of Tests Prospective Studies ROC Curve Renal Insufficiency / blood, complications, diagnosis, veterinary* Respiration Disorders / blood, complications, diagnosis, veterinary* |
| Chemical | |
Reg. No./Substance:
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0/Biological Markers; 0/Peptide Fragments; 0/pro-brain natriuretic peptide (1-76); 114471-18-0/Natriuretic Peptide, Brain |
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