Hypoplastic aberrant left subclavian artery in a dog with a persistent right aortic arch

Vascular ring anomalies (VRA) are relatively uncommon cardiovascular disorders in canine patients. The most common VRA is a persistent right aortic arch (PRAA) with a left ligamentum arteriosum, however various other vascular anomalies resulting in tracheoesophageal compression have also been report...

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Bibliographic Details
Published inJournal of veterinary cardiology Vol. 14; no. 2; pp. 381 - 385
Main Authors Bottorff, Bryan, Sisson, D. David
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier B.V 2012
Subjects
Animals
Aorta - abnormalities
arteries
Canine
cardiovascular diseases
case studies
Computed tomography
Dog Diseases - pathology
Dogs
Heart
Subclavian Artery - abnormalities
Subclavian steal
Vascular ring anomaly
veterinary medicine
Heart
Subclavian steal
Vascular ring anomaly
Computed tomography
Canine
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Summary:Vascular ring anomalies (VRA) are relatively uncommon cardiovascular disorders in canine patients. The most common VRA is a persistent right aortic arch (PRAA) with a left ligamentum arteriosum, however various other vascular anomalies resulting in tracheoesophageal compression have also been reported. We report a case of a dog with a PRAA and left ligamentum arteriosum with a hypoplastic aberrant left subclavian artery resulting in asymmetric cervicobrachial circulation. Selective angiography and ECG-gated multi-detector computed tomography were utilized in the evaluation of these defects. The case presented represents a unique vascular anomaly of the aortic arch not previously described in veterinary medicine.
Bibliography:http://dx.doi.org/10.1016/j.jvc.2012.01.013
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ISSN:1760-2734
1875-0834
DOI:10.1016/j.jvc.2012.01.013