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OJVRTM
Online Journal of
Veterinary Research©
15 (1): 46-52, 2011. Slightly
redacted 2017.
Megaesophagus caused by an aberrant right subclavian artery and brachiocephalic
trunk in a cat.
Bahador Shojaei (DVM, PhD), Baharak Akhtardanesh (DVM, DVSc), Reza Kheirandish
(DVM, PhD), Darioush Vosough, (DVM, DVSc).
Faculty of
Veterinary Medicine, Shahid Bahonar
University of Kerman, Iran.
SUMMARY
Shojaei B, Akhtardanesh
B, Kheirandish R, Vosough
D., Megaesophagus caused by an aberrant right
subclavian artery and the brachiocephalic trunk in a cat, Onl
J Vet Res, 15 (1): 46-52, 2011. Vascular ring anomalies are congenital
malformations of aortic arches arteries that usually cause megaesophagus
in affected animals but this phenomenon is extremely rare in cats. This
clinical report demonstrates an unusual form of vascular anomaly in a domestic
short hair kitten. The animal was referred with history of moist cough,
dyspnea, fever, and persistent regurgitation. Barium esophagram,
demonstrate esophageal body dilation cranial to the base of the heart. Primary
conservative treatment was done but the owner refused the surgical correction.
The animal was euthanized due to her poor condition and the definitive
diagnosis of vascular ring anomaly was made in postmortem examination. To our
best knowledge, this is the first report of megaesophagus caused
by an aberrant right subclavian artery concomitant with brachiocephalic trunk
in a cat.
Key words: Megaesophagus, Vascular ring anomaly, Subclavian, Cat
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