Angiographic variation of the internal carotid artery and its branches in horses

Khairuddin, N. H., Sullivan, M. and Pollock, P. (2015) Angiographic variation of the internal carotid artery and its branches in horses. Veterinary Surgery, 44(6), pp. 784-789. (doi: 10.1111/vsu.12357) (PMID:26138436)

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Objectives To record the angiographic anatomy of the equine internal carotid artery (ICA) using angiography techniques. Study design In vitro descriptive study. Sample Population Equine cadaver specimens (n = 50). Methods Head and neck specimens from horses of mixed breed, age, sex, and use without a history of guttural pouch disease had carotid and cerebral angiography using conventional (n = 7) and rotational angiography (43). Angiographic findings were verified by arterial latex casts. Results Variation in ICA anatomy was categorized into 4 groups: (1) the internal carotid and occipital arteries arising as a common trunk; (2) an aberrant branch of the extra-cranial ICA connected to the basilar artery; (3) an aberrant branch of the ICA ramifying into the surrounding tissue and not connected to any other vessels; and (4) an aberrant branch of the ICA giving rise to several smaller satellite branches, including connections to the caudal branch of the ipsilateral occipital artery. Conclusion Rotational angiography is useful for identification of anatomic variation in the ICA that could be important in achieving vascular occlusion in the treatment of guttural pouch mycosis.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Pollock, Professor Patrick and Sullivan, Professor Martin
Authors: Khairuddin, N. H., Sullivan, M., and Pollock, P.
College/School:College of Medical Veterinary and Life Sciences > School of Biodiversity, One Health & Veterinary Medicine
Journal Name:Veterinary Surgery
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN (Online):1532-950X

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