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J Vet Cardiol ; 34: 93-104, 2021 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-33631657

RESUMEN

INTRODUCTION/OBJECTIVES: Parvoviral enteritis (PVE) can cause either primary or secondary myocardial injury; the latter is associated with systemic inflammatory response syndrome and sepsis. Strain (St) and strain rate (SR) are relatively new speckle tracking echocardiographic (STE) variables used to assess myocardial function and are less influenced by preload and volume status than are conventional variables. The aim of this study was to evaluate systolic function in dogs with PVE using two-dimensional STE. ANIMALS: Forty-five client-owned dogs were included. MATERIALS AND METHODS: Dogs were classified into four groups: healthy (n = 9), PVE-mild (n = 15), PVE-severe (n = 13) and PVE-died (n = 8). Left ventricular global and segmental myocardial St and SR were assessed in radial, circumferential and longitudinal axes in the right parasternal transverse and apical 4-chamber views. In the circumferential and longitudinal axes, the value of each segment was determined separately at the endocardial and epicardial levels. RESULTS: Compared to healthy animals, all dogs with PVE showed significantly impaired St and SR values, mainly for PVE-severe and PVE-died groups. Moreover, the lowest SR value was observed in the circumferential axis at the mid-septal epicardial segment in the PVE-died group. For this variable, a cut-off value of 0.95 s-1 demonstrated 100% sensitivity and specificity for distinguishing between PVE-severe and PVE-died groups. CONCLUSIONS: In the present study, all dogs with PVE developed systolic dysfunction, which was more severe in non-survivors. Assessment of St and SR in dogs with PVE might be clinically useful for evaluating haemodynamic status and developing suitable therapeutic strategies to improve prognosis.


Asunto(s)
Enfermedades de los Perros , Enteritis , Disfunción Ventricular Izquierda , Animales , Enfermedades de los Perros/diagnóstico por imagen , Perros , Ecocardiografía/veterinaria , Enteritis/diagnóstico por imagen , Enteritis/veterinaria , Ventrículos Cardíacos/diagnóstico por imagen , Reproducibilidad de los Resultados , Sensibilidad y Especificidad , Sístole , Disfunción Ventricular Izquierda/veterinaria
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