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Persistent right aortic arch with aberrant left subclavian artery originating from the patent ductus arteriosus in a dog: a case report

  • Chi-Oh Yun (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Gunha Hwang (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Sumin Kim (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Jin-Yoo Kim (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Seunghwa Lee (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Dongbin Lee (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Jihye Cha (Animal Genome and Bioinformatics, National Institute of Animal Science, Rural Development Administration) ;
  • Hee Chun Lee (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University) ;
  • Tae Sung Hwang (Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University)
  • Received : 2024.03.16
  • Accepted : 2024.04.24
  • Published : 2024.06.30

Abstract

A 4-month-old intact male Sapsaree dog was referred due to a history of postprandial regurgitation following consumption of solid food. Thoracic radiography revealed focal leftward displacement of the thoracic trachea at T1 to T4 vertebrae levels. Barium contrast radiography revealed focal dilation of the cranial thoracic esophagus at the heart base level. Persistent right aortic arch (PRAA) with an aberrant left subclavian artery branching from the patent ductus arteriosus was diagnosed by computed tomography angiography (CTA). Although barium contrast radiography can presumptive diagnose PRAA, CTA should be considered for identifying additional vascular anomalies, specific types, and surgical planning.

Keywords

Acknowledgement

This study was supported by a grant from the Cooperative Research Program for Agriculture Science and Technology Development (Project No. RS-2023-00231792), Rural Development Administration, Republic of Korea.

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