Peer-reviewed veterinary case report
Right heart function in dogs with precapillary pulmonary hypertension
By Morita, T et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2019·Department of Veterinary Clinical Sciences, Japan·View original on PubMed →
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Original publication title: Right ventricular function and dyssynchrony measured by echocardiography in dogs with precapillary pulmonary hypertension.
- Species:
- dog
Plain-English summary
A group of dogs with precapillary pulmonary hypertension (a type of high blood pressure in the lungs) showed signs of heart problems, including an enlarged right ventricle and right atrium. These dogs had impaired heart function, which was measured using echocardiography (an ultrasound of the heart). The study found that factors like tricuspid regurgitation (a heart valve issue) and right ventricular dilation were linked to the heart's poor performance. Understanding these issues can help veterinarians better diagnose and treat dogs with this condition.
People also search for: dog pulmonary hypertension symptoms · dog heart problems treatment · echocardiogram for dog heart issues
Abstract
INTRODUCTION: Assessment of the right ventricular (RV) function by echocardiography is important in dogs with pulmonary hypertension (PH). Few reports are available on RV function and dyssynchrony in dogs, especially in the context of precapillary PH. ANIMALS: The study included 79 client-owned dogs: 25 dogs with precapillary PH and 54 control dogs. METHODS: Dogs with precapillary PH were prospectively enrolled between December 2013 and February 2017. The echocardiographic indices of RV function, including RV strain and the dyssynchrony index by speckle-tracking echocardiography, were measured. Multivariate analysis was used to determine independent predictors of the RV dyssynchrony index. RESULTS: Dogs with precapillary PH showed RV dilation, hypertrophy and right atrial dilation. Impaired echocardiographic indices of RV function, including RV strain, were observed. In addition, RV dyssynchrony occurred in dogs with precapillary PH. Multivariate analysis revealed that tricuspid regurgitation velocity and RV dilation were independent predictors of the RV dyssynchrony index. CONCLUSIONS: Echocardiographic RV function indices are impaired in dogs with precapillary PH. In addition, RV dilation and elevated systolic pulmonary arterial pressure estimated by echocardiography are associated with RV dyssynchrony.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/31174719/