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OJVRTM
Online Journal of Veterinary Research©
Volume
15
(1): 46-52,
2011
Megaesophagus caused by an
aberrant right subclavian artery and the 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, Online
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. According
to our knowledge,
this is the first report of megaesophagus caused by an aberrant
right subclavian artery concomitant with
the brachiocephalic
trunk in a cat.
Key words: Megaesophagus, Vascular ring anomaly, Subclavian,
Cat