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    Echocardiographic assessment of right ventricular systolic function in Boxers with arrhythmogenic right ventricular cardiomyopathy

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    Authors
    Cunningham, S. M.
    Aona, B. D.
    Antoon, K.
    Rush, J. E.
    Barton, Bruce A.
    UMass Chan Affiliations
    Department of Quantitative Health Sciences
    Document Type
    Journal Article
    Publication Date
    2018-10-01
    Keywords
    Arrhythmia
    Canine
    Cardiac
    Right ventricle
    Veterinary Medicine
    
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    Link to Full Text
    https://doi.org/10.1016/j.jvc.2018.07.005
    Abstract
    OBJECTIVES: To determine whether there are differences in measures of longitudinal right ventricular (RV) systolic function among Boxers with arrhythmogenic right ventricular cardiomyopathy (ARVC) compared with healthy control Boxer dogs. To explore relationships between markers of RV systolic function and age, body weight, gender, arrhythmia frequency, and markers of left ventricular (LV) systolic function in Boxer dogs. ANIMALS: The study included 50 client-owned Boxer dogs. METHODS: This is a retrospective echocardiographic study. Tricuspid annular plane systolic excursion (TAPSE) and pulsed wave tissue Doppler imaging-derived systolic myocardial velocity of the lateral tricuspid annulus (S') were measured in healthy control Boxers (n = 18), Boxers with ARVC and normal LV systolic function (n = 19), and Boxers with ARVC and reduced LV systolic function (n = 13). RESULTS: Tricuspid annular plane systolic excursion (p=0.002) and S' (p=0.001) were significantly different between affected and control groups. Significant correlations were found between measures of left heart size and function and both TAPSE and S'. No correlations were found between RV function parameters and age, gender, or body weight in this fairly homogeneous, single-breed population. Receiver operating characteristic curve analysis revealed that both TAPSE and S' had an area under the curve of 0.77 in distinguishing healthy Boxers from those with ARVC. CONCLUSIONS: Tricuspid annular plane systolic excursion and S' are reduced in Boxers with ARVC. In contrast to prior studies evaluating these parameters in dogs of different breeds and body types, no correlation was found between markers of RV function and body weight in this population of Boxer dogs.
    Source

    J Vet Cardiol. 2018 Oct;20(5):343-353. doi: 10.1016/j.jvc.2018.07.005. Epub 2018 Aug 20. Link to article on publisher's site

    DOI
    10.1016/j.jvc.2018.07.005
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/46782
    PubMed ID
    30139648
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    Link to Article in PubMed

    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jvc.2018.07.005
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