Vestibular disease in dogs under UK primary veterinary care: epidemiology and clinical management

Rădulescu, S; Humm, Karen; Eramanis, Louis Mark; Volk, Holger A.; Brodbelt, Dave C.; Church, David; O’Neill, Dan G.

doi:10.22233/9781910443699.80.6

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“…There are numerous causes of vestibular dysfunction and problems affecting balance are relatively common in dogs [2], with an overall 0.08% prevalence reported in primary veterinary care in the UK [4]. Vestibular disease was the underlying reason for approximately one third of dogs undergoing advanced imaging of the brain for investigation of a neurological problem at a referral institution [5].…”

Section: Introductionmentioning

confidence: 99%

Clinical signs, MRI findings and outcome in dogs with peripheral vestibular disease: a retrospective study

et al. 2020

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Background: Vestibular dysfunction is relatively common in dogs, with a prevalence of 0.08% reported in primary veterinary care in the UK. There are several studies investigating how to differentiate between peripheral and central vestibular disease but only limited information regarding the possible underlying causes for peripheral vestibular dysfunction in dogs. This study therefore aimed to describe the clinical signs, magnetic resonance imaging findings (MRI), underlying causes and outcome in a large population of dogs diagnosed with peripheral vestibular disease. Results: One hundred eighty-eight patients were included in the study with a median age of 6.9 years (range 3 months to 14.6 years). Neurological abnormalities included head tilt (n = 185), ataxia (n = 123), facial paralysis (n = 103), nystagmus (n = 97), positional strabismus (n = 93) and Horner syndrome (n = 7). The most prevalent diagnosis was idiopathic vestibular disease (n = 128), followed by otitis media and/or interna (n = 49), hypothyroidism (n = 7), suspected congenital vestibular disease (n = 2), neoplasia (n = 1) and cholesteatoma (n = 1). Long-term follow-up revealed persistence of head tilt (n = 50), facial paresis (n = 41) and ataxia (n = 6) in some cases. Recurrence of clinical signs was observed in 26 dogs. Increasing age was associated with a mild increased chance of diagnosis of idiopathic vestibular syndrome rather than otitis media and/or interna (P = 0.022, OR = 0.866; CI 0.765-0.980). History of previous vestibular episodes (P = 0.017, OR = 3.533; CI 1.251-9.981) was associated with an increased likelihood of resolution of the clinical signs whilst contrast enhancement of cranial nerves VII and/or VIII on MRI (P = 0.018, OR = 0.432; CI 0.251-0.868) was associated with a decreased chance of resolution of the clinical signs. Conclusions: Idiopathic vestibular disease is the most common cause of peripheral vestibular dysfunction in dogs and it is associated with advanced age. Incomplete recovery from peripheral vestibular disease is common, especially in dogs presenting with cranial nerve enhancement on MRI but less so if there is previous history of vestibular episodes.

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Section: Introductionmentioning

confidence: 99%