Complete transposition of the great arteries with double outlet right ventricle in a dog

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• 作者：S.T. Koo ; BVSc ; N.L. LeBlanc ; DVM ; ^{Nicole.leblanc@oregonstate.edu" class="auth_mail" title="E-mail the corresponding author} ; K.F. Scollan ; DVM ; D.D. Sisson ; DVM
• 关键词：Ventricular septal defect ; Pulmonic hypoplasia ; Bronchoesophageal collateral vessels ; Cardiac-gated CT scan
• 刊名：Journal of Veterinary Cardiology
• 出版年：2016
• 出版时间：June 2016
• 年：2016
• 卷：18
• 期：2
• 页码：179-186
• 全文大小：856 K

文摘

A 2-year old intact male Collie dog presented to the cardiology service at Oregon State University for evaluation of cyanosis and suspected congenital cardiac disease. Echocardiography revealed a constellation of cardiac abnormalities including a single large vessel exiting the right ventricle with a diminutive left ventricular outflow tract, a ventricular septal defect, and marked concentric right ventricular hypertrophy with moderate right atrial dilation. Cardiac-gated computed tomography confirmed the previous anomalies in addition to supporting a diagnosis of complete transposition of the great arteries, double outlet right ventricle, and pulmonic hypoplasia with a single coronary ostium. Prominent bronchoesophageal collateral vessels were concurrently identified. Clinically, the dog was stable despite mild cyanosis that worsened with exercise; no intervention was elected at the time. This case report describes a rare combination of congenital cardiac defects and the usefulness of cardiac-gated cross-sectional imaging in the anatomic diagnosis.