<abstract xmlns="http://www.w3.org/1999/xhtml">

<p> The aim of this study was to evaluate systolic function of left ventricle in dogs with spontaneous mitral regurgitation by estimating the rate of pressure rise in the left ventricle (dP/dt). Ninety-three dogs of different breed and sex, with chronic degenerative valvular disease were examined. All dogs had echocardiography examination with dP/dt estimation assessed from mitral regurgitant jet using continuous Doppler-echocardiography. The dogs were divided into four classes of heart failure according to NYHA class. Results: dogs in NYHA I dP/dt = 2,142 ±1,309, SF=33.6±10.5, EF=66.58± 14; NYHA II dP/dt = 3,062 ±1,798, SF=42 ±10, EF=76.5 ±11.5; NYHA III dP/dt = 3,483 ±2,136, SF=44.2 ±21, EF=75.7 ±13; NYHA IV dP/dt = 4,496 ±1,797, SF=40.6 ±6, EF=70.4 ±16. Dogs with chronic cardiac insufficiency and mitral insufficiency due to chronic degenerative valvular disease had no echocardiograhic evidence of left ventricular systolic dysfunction assessed from mitral regurgitant jet dP/dt.</p>
</abstract>

The aim of this study was to evaluate systolic function of left ventricle in dogs with spontaneous mitral regurgitation by estimating the rate of pressure rise in the left ventricle (dP/dt). Ninety-three dogs of different breed and sex, with chronic degenerative valvular disease were examined. All dogs had echocardiography examination with dP/dt estimation assessed from mitral regurgitant jet using continuous Doppler-echocardiography. The dogs were divided into four classes of heart failure according to NYHA class. Results: dogs in NYHA I dP/dt = 2,142 ±1,309, SF=33.6±10.5, EF=66.58± 14; NYHA II dP/dt = 3,062 ±1,798, SF=42 ±10, EF=76.5 ±11.5; NYHA III dP/dt = 3,483 ±2,136, SF=44.2 ±21, EF=75.7 ±13; NYHA IV dP/dt = 4,496 ±1,797, SF=40.6 ±6, EF=70.4 ±16. Dogs with chronic cardiac insufficiency and mitral insufficiency due to chronic degenerative valvular disease had no echocardiograhic evidence of left ventricular systolic dysfunction assessed from mitral regurgitant jet dP/dt.

An Assessment of Left Ventricular Systolic Function with the Use of a Continuous Doppler Imaging in Dogs with Spontaneous Mitral Regurgitation. A Preliminary Study

Department of Internal Diseases with Clinic for Horses, Dogs, and Cats, Faculty of Veterinary Medicine

Wroclaw University of Environmental and Life Sciences

Journal of Veterinary Research

The aim of this study was to evaluate systolic function of left ventricle in dogs with spontaneous mitral regurgitation by estimating the rate of pressure rise...

An Assessment of Left Ventricular Systolic Function with the Use of a Continuous Doppler Imaging in Dogs with Spontaneous Mitral Regurgitation. A Preliminary Study

Published Online: Jan 17, 2013

Page range: 399 - 402

DOI: https://doi.org/10.2478/v10213-012-0070-9

Keywords
dog, heart, cardiac ultrasound, bicuspidal insufficiency

This content is open access.

An Assessment of Left Ventricular Systolic Function with the Use of a Continuous Doppler Imaging in Dogs with Spontaneous Mitral Regurgitation. A Preliminary Study

Published Online: Jan 17, 2013

Page range: 399 - 402

DOI: https://doi.org/10.2478/v10213-012-0070-9

Keywordsdog, heart, cardiac ultrasound, bicuspidal insufficiency

This content is open access.

Keywords
dog, heart, cardiac ultrasound, bicuspidal insufficiency