Tricuspid valve dysplasia and Ebstein's anomaly in dogs: case report

Two cases of tricuspid valve dysplasia are reported. Dogs were presented for evaluation of weakness and ascites. In both cases, echocardiography disclosed tricuspid insufficiency and, in one of them, tricuspid leaflets also were displaced down into the right ventricle, substantiating Ebstein's...

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Published in:Arquivo brasileiro de medicina veterinária e zootecnia Vol. 58; no. 5; pp. 762 - 767
Main Authors: Sousa, M.G.(UNESP FCAV ,UFT Escola de Medicina Veterinária e Zootecnia), Gerardi, D.G.(UNESP FCAV), Alves, R.O.(UFG Escola de Veterinária), Camacho, A.A.(UNESP Faculdade de Ciências Agrárias e Veterinárias)
Format: Journal Article
Language:English
Published: Universidade Federal de Minas Gerais, Escola de Veterinária 01-10-2006
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Summary:Two cases of tricuspid valve dysplasia are reported. Dogs were presented for evaluation of weakness and ascites. In both cases, echocardiography disclosed tricuspid insufficiency and, in one of them, tricuspid leaflets also were displaced down into the right ventricle, substantiating Ebstein's anomaly. Medical therapy for congestive heart failure was initiated. One of the dogs suddenly died shortly after diagnosis was established. Although the other dog recovered much better initially, sudden death also occurred. Post-mortem examinations showed right atrioventricular enlargement, and thickened tricuspid leaflets. Clinical features, diagnostic methods and medical therapy are discussed in this paper. Dois casos de displasia da valva tricúspide são relatados neste trabalho. Os cães foram avaliados devido à fraqueza e presença de ascite. Em ambos os casos, o exame ecocardiográfico mostrou insuficiência tricúspide e, em um deles, a inserção dos folhetos da valva tricúspide encontrava-se deslocada para baixo do ventrículo direito, caracterizando a anomalia de Ebstein. A terapia medicamentosa para insuficiência cardíaca congestiva foi iniciada, mas um dos animais veio a óbito subitamente alguns dias após o diagnóstico. O outro cão, apesar de inicialmente ter apresentado melhora significativa do quadro clínico, apresentou morte súbita. A necropsia dos animais revelou dilatação atrioventricular direita e folhetos tricúspides espessados. As características clínicas, métodos de diagnóstico e terapia medicamentosa são discutidas neste artigo.
Bibliography:10.1590/S0102-09352006000500010
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352006000500010
ISSN:0102-0935
1678-4162
1678-4162
0102-0935
DOI:10.1590/S0102-09352006000500010