Double-Outlet Right Ventricle in a Chianina Calf

Congenital heart defects have been occasionally reported in cattle and ventricular septal defect represents the most frequently encountered anomaly. The double-outlet right ventricle is a rare congenital ventriculoarterial malformation reported only in certain cattle breeds. We describe this rare an...

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Bibliographic Details
Published in:Animals (Basel) 2021-01, Vol.11 (2), p.318
Main Authors: Caivano, Domenico, Marchesi, Maria Chiara, Boni, Piero, Venanzi, Noemi, Angeli, Giovanni, Porciello, Francesco, Lepri, Elvio
Format: Article
Language:English
Subjects:
Anomalies
Aorta
Calves
Cardiac arrhythmia
Case Report
Cattle
Congenital diseases
congenital malformation
Coronary vessels
Defects
Echocardiography
Heart
Heart rate
Pulmonary arteries
Pulmonary artery
Tachycardia
Tachypnea
Tricuspid valve
Veins & arteries
Ventricle
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Summary:Congenital heart defects have been occasionally reported in cattle and ventricular septal defect represents the most frequently encountered anomaly. The double-outlet right ventricle is a rare congenital ventriculoarterial malformation reported only in certain cattle breeds. We describe this rare and complex congenital cardiac malformation observed in a 10-day-old male Chianina calf. Clinical examination showed tachycardia, tachypnea, jugular pulses, cyanotic mucous membranes and a right apical systolic murmur. Transthoracic echocardiography revealed severe dilation of the right-sided cardiac chambers with a markedly hypoplastic left ventricle. Both aorta and pulmonary artery leaving the right ventricle in parallel alignment with the tricuspid valve were suggestive of a dual-outlet right ventricle. Interventricular and interatrial septal defects were also visualized. Post-mortem examination confirmed the echocardiographic findings. To the authors' knowledge, a similar complex congenital cardiac malformation has not been reported in calves of the Chianina breed to date.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani11020318