AI Article Synopsis
- A 6-year-old neutered male German shepherd was diagnosed with an arteriovenous malformation (AVM) after showing signs like obtundation and blindness.
- Liquid embolization treatment was performed without complications, and the dog was discharged the next day.
- 31 months later, the dog's owners reported a good quality of life, although bilateral enucleation was needed due to complications from the AVM.
Article Abstract
A 6-year-old neutered male German shepherd dog was evaluated for obtundation, blindness, and bilateral exophthalmos. A magnetic resonance imaging scan of the brain was performed and identified an arteriovenous malformation (AVM) with several feeding arterial branches, and venous drainage through the cavernous sinus. Venous vessels rostral to the AVM were severely distended and extended into the retrobulbar spaces. Liquid embolization by injection of ethylene vinyl alcohol copolymer was performed from access points in the maxillary arteries and internal carotid arteries. No intraprocedural complications were encountered, and the dog was discharged the next day. Bilateral enucleation eventually was performed because of exposure keratopathy. At 31 months post-embolization, owners reported that the dog was doing very well clinically with high activity level and normal appetite, and the dog also appeared to be pain free. Although intracranial AVMs are very rare in companion animals, successful treatment using liquid embolization is possible and should be considered.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8163124 | PMC |
| http://dx.doi.org/10.1111/jvim.16120 | DOI Listing |
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