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Dissecting aneurysm of the carotid artery as a cause of respiratory distress in adult cattle
  1. K. J. Chandler, BVMS, CertEP, MRCVS1,
  2. D. C. Barrett, BSc, BVSc,DBR, DCHP, MRCVS1,
  3. J. L. Fitzpatrick, BVMS,PhD, MRCVS1,
  4. H. Thomson, BVMS, PhD,MRCVS2 and
  5. P. E. McNeil, BVM/IS, PhD,MRCVS2
  1. 1 Department of Veteriniary Clinical Studies
  2. 2 Department of Veterinary Pathology, University of Glasgow Veterinary School, Bearsden Road, Bearsden, Glasgow G61 lQH


A two-and-a-half-year-old Friesian cow and a five-year-old Charolais cow developed severe respiratory distress and palpable swellings to the left of the larynx as a result of a dissecting aneurysm of the common carotid artery. Neither cow responded to medical treatment. The underlying pathogenesis of the condition was uncertain, but direct trauma to the carotid artery was a possible contributory factor. Aneurysms of the common carotid artery should be considered when swelling occurs in the region of the larynx or when respiratory distress is due to laryngeal compression.

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