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Braund KG, Luttgen PJ, Sorjonen DC, et al. Idiopathic facial paralysis in the dog. Vet Rec. 1979;105(13):297-9doi: 10.1136/vr.105.13.297.
Braund, K. G., Luttgen, P. J., Sorjonen, D. C., & Redding, R. W. (1979). Idiopathic facial paralysis in the dog. The Veterinary record, 105(13), 297-9. https://doi.org/10.1136/vr.105.13.297
Braund, K G, et al. "Idiopathic facial paralysis in the dog." The Veterinary record vol. 105,13 (1979): 297-9. doi: https://doi.org/10.1136/vr.105.13.297
Braund KG, Luttgen PJ, Sorjonen DC, Redding RW. Idiopathic facial paralysis in the dog. Vet Rec. 1979 Sep 29;105(13):297-9. doi: 10.1136/vr.105.13.297. PMID: 516320.
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Vet Rec. 1979 Sep 29;105(13):297-9. doi: 10.1136/vr.105.13.297.

Idiopathic facial paralysis in the dog.

The Veterinary record

K G Braund, P J Luttgen, D C Sorjonen, R W Redding

PMID: 516320 DOI: 10.1136/vr.105.13.297

Abstract

Facial nerve paralysis of acute onset is reported in seven mature dogs, five of which were cocker spaniels. The clinical signs were characterised by ear drooping, lip commissural paralysis, sialosis, and collection of food on the paralysed side of the mouth. All dogs showed absent menace responses and trigeminofacial/acousticofacial reflexes. Horner's syndrome was not present in any dog. In four dogs, bilateral facial paralysis developed. The facial paralysis was unrelated to otitis media. Electrodiagnostic studies revealed denervation potentials and absent evoked muscle potentials. Facial nerve biopsies from two cases showed nerve fibre degeneration and apparent loss of larger diameter myelinated fibres. The condition has been termed idiopathic facial paralysis since the aetiopathogenesis is presently unknown.

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