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Plasma N-terminal pro-B-type natriuretic peptide concentration helps to predict survival in dogs with symptomatic degenerative mitral valve disease regardless of and in combination with the initial clinical status at admission |
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| Authors: | François Serres Jean-Louis Pouchelon Laure Poujol Hervé P Lefebvre Cathy Trumel Thomas Daste Carolina Carlos Sampedrano Vassiliki Gouni Renaud Tissier Gerhard Hawa Valérie Chetboul |
| Institution: | a Unité de Cardiologie d'Alfort, Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, 94704 Maisons-Alfort cedex, France b UMR INSERM U955, Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, 94704 Maisons-Alfort cedex, France c Unité de Pharmacie-Toxicologie, Ecole Nationale Vétérinaire d'Alfort, 7 avenue du Général de Gaulle, 94704 Maisons-Alfort cedex, France d UMR181 Physiopathologie et Toxicologie Expérimentales, INRA, ENVT, Ecole Nationale Vétérinaire de Toulouse, 23 chemin des Capelles, 31076 Toulouse cedex 03, France e Biomedica Gruppe, Divischgasse 4, A-1210 Vienna, Austria |
| Abstract: | ObjectivesAlthough mitral valve disease (MVD) is the most common canine heart disease, readily available prognostic markers of the disease are still lacking. The aim of this study was to evaluate the comparative ability of N-terminal pro-B-type natriuretic peptide plasma concentration (NT-proBNP) and various echocardiographic variables to predict outcome in dogs with MVD.Animals, materials and methodsSeventy-four dogs with ISACHC classes 2 and 3 MVD (Groups A and B, respectively) were prospectively recruited. NT-proBNP and several echo-Doppler variables at inclusion were compared as predictors of outcome at 6 months in 54/74 dogs.ResultsNT-proBNP was significantly higher in Group B than in Group A (P < 0.0001), and was the only tested variable significantly different between survivor and non-survivor dogs in both groups (P < 0.05). In the whole canine population, a threshold of 1500 pmol/L could discriminate survivor from non-survivor dogs with a sensitivity and specificity of 80% and 73%, respectively. When combining ISACHC class with NT-proBNP levels, a cut-off of 1265 pmol/L was predictive of survival in Group A, whereas the cut-off was 2700 pmol/L for Group B.ConclusionsNT-proBNP is correlated with MVD severity and could be used in combination with clinical status to predict cardiac outcome. |
| Keywords: | Canine Doppler Echocardiography Heart Natriuretic peptide |
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