Evaluation of Plasma NT-proBNP Concentration in Dogs with Chronic Mitral Valve Insufficiency

개의 만성 이첨판 폐쇄부전증 환자군에서 혈장 NT-proBNP 농도 평가연구

  • Lee, Seunggon (Cardiology Services, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, North Carolina State University) ;
  • Hyun, Changbaig (Section of Small Animal Internal Medicine, School of Veterinary Medicine and Institute of Veterinary Medicine, Kangwon National University)
  • 이승곤 (미국 노스캐롤라이나 대학교, 수의과대학) ;
  • 현창백 (강원대학교 수의학과 소동물 내과교실)
  • Accepted : 2013.06.10
  • Published : 2013.06.30

Abstract

This study aimed to evaluate the plasma concentration of NT-proBNP in dogs with different stages of heart failure by chronic mitral valve insufficiency (CMVI). Fifty small-breed dogs with CMVI and 7 healthy control dogs without cardiac disease and critical systemic diseases were included in the study population. As a preliminary study, we compared the plasma concentrations of N-terminal pro-brain natriuretic peptide (NT-proBNP) and the echocardiographic parameters between dogs of the International Small Animal Cardiac Health Council (ISACHC) classes. Then, we evaluated the associations between NT-proBNP and echocardiographic parameters. Plasma NT-proBNP levels showed a significant difference among the ISACHC groups. In the comparison between echocardiographic parameters and NT-proBNP, NT-proBNP were found to be associated with left atrium/aorta (LA/AO), early diastolic transmitral flow (E) velocity, late diastolic transmitral flow (A) velocity, end diastolic volume index (EDVI). Our study found plasma NT-proBNP might be useful to predict the disease progression in dogs with CMVI.

본 연구는 개의 이첨판 폐쇄부전증(CMVI) 환자군에서 혈장 NT-proBNP농도를 평가한 연구이다. 본 연구를 위해 CMVI에 이환된 50마리와 건강한 대조군 7마리를 대상으로 일반적인 심초음파 검사와 혈중NT-proBNP농도를 측정하였다. 심부전의 심하기에 따라 분류된 환자군에서 측정된 NT-proBNP농도와 심초음파 인덱스의 상호관련성을 평가하였다. 혈중 NT-proBNP 농도는 심부전의 심하기에 따라 상승하였다. 또한 심초음파 인덱스중 left atrium/aorta (LA/AO), early diastolic transmitral flow (E) velocity, late diastolic transmitral flow (A) velocity, end diastolic volume index (EDVI) 등과 밀접한 관련성이 관찰되었다. 본 연구는 이첨판 폐쇄부전증 환자의 예후를 평가하는데 중요할 것으로 보인다.

Keywords

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