Journal of Biomedical and Translational Research

  • 제19권4호
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  • Pages.79-85
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  • 2018
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  • 2508-1357(pISSN)
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  • 2508-139X(eISSN)
충북대학교 동물의학연구소 (Research Institute of Veterinary Medicine Chungbuk National University)
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Echocardiographic evaluation of heart failure in dogs with myxomatous mitral valve disease: a retrospective study

  • Han, Donghyun (Center of the Heart Clinic, Jukjeon Animal Medical Center) ;
  • Lee, Dong-Guk (Center of the Heart Clinic, Jukjeon Animal Medical Center) ;
  • Jung, Dong-In (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University)
  • 투고 : 2018.11.20
  • 심사 : 2018.12.10
  • 발행 : 2018.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

Echocardiography is one of the most useful diagnostic techniques for differentiating heart disease as well as mitral valve lesion. Forty client-owned small breed dogs (weight, 2.3-13.2 kg) aged between 8-17 years with myxomatous mitral valve degeneration (MMVD) were included in the present study. The diagnosis of MMVD in dogs was made based on the clinical signs, chest radiography data, and echocardiographic findings. Echocardiographic examinations were conducted in accordance with recommended standards for dogs. M-mode, Doppler, and 2D echocardiography were performed in left and right lateral recumbency. 2D echocardiography was used to measure LA and Ao diameter from 2D short axis at the level of the aortic valve. In the comparison of conventional echocardiography indices in dogs with different stages of heart failure with MMVD, significant differences were observed in E/A ratio (p=0.005), EDV (p<0.001), EDVI (p<0.001), E-peak velocity (p= 0.001), ESV (p=0.028), ESVI (p=0.004), LA (p<0.001), LA/Ao Ratio (p<0.001), LVIDd (p<0.001), LVIDd/Ao Ratio (p<0.001), LVIDs (p=0.036), LVIDs/Ao Ratio (p=0.002), and MR Velocity (p=0.026). In addition, distinct correlations were found in EDV (r=0.712), LA/Ao ration (r=0.830), LVIDd (r=0.724), and LVIDd/Ao ratio (r=0.759). This study found that known conventional echocardiographic indices, including EDV, LA/Ao ratio, LVIDd dimension, and LVIDd/Ao ratio correlated with the severity of MMVD in point of significant differences and distinct correlations.

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