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  • Title: Anomalous left-to-right shunting communication between the ascending aorta and right pulmonary artery in a dog.
    Author: Scollan K, Salinardi B, Bulmer BJ, Sisson DD.
    Journal: J Vet Cardiol; 2011 Jun; 13(2):147-52. PubMed ID: 21640676.
    Abstract:
    Anomalies of conotruncal septation are rare in dogs and uncommon in humans. Congenital conotruncal defects most commonly reported in veterinary medicine include aorto-pulmonary window and persistent truncus arteriosus. We report a case of an anomalous vessel connecting the ascending aorta to the right pulmonary artery causing left-to-right shunting, left-sided volume overload, and pulmonary overcirculation. Transesophageal echocardiography, cardiac catheterization, and contrast-enhanced computed tomography assisted in the diagnosis and facilitated the surgical correction of the anomalous vessel. The authors hypothesize this defect represents an unusual anomalous vessel connecting the ascending aorta to the right pulmonary artery.
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