Aetiology, prevalence and diagnosis of deafness in dogs and cats

Strain, George M.

doi:10.1016/s0007-1935(96)80083-2

Cited by 101 publications

(121 citation statements)

References 34 publications

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“…While bilateral deafness may be obvious to the owner of an affected animal, unilateral deafness is exceedingly difficult to appreciate clinically because the animal can compensate for the disability (Strain, 1996;Strain, 1999;Muhle et al, 2002;Strain, 2004). Indeed, it is stated that animals with unilateral deafness cannot be distinguished from healthy animals by their owners using behavioral tests (Muhle et al, 2002).…”

Section: Discussionmentioning

confidence: 99%

“…Indeed, it is stated that animals with unilateral deafness cannot be distinguished from healthy animals by their owners using behavioral tests (Muhle et al, 2002). The hereditary deafness results from initial degeneration of the stria vascularis (Strain, 1996). In the Dalmatians, postnatal auditory function development proceeds normally through the first three weeks, then the stria vascularis rapidly degenerates, proceeding to deafness (Strain, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Over the past thirty years BAEP testing has been widely used for different purposes in veterinary practice and is commonly used to evaluate deafness, particularly to identify inherited and senile deafness (Strain et al, 1992;Luttgen, 1994;Strain, 1996), to determine a dog's auditory threshold (Kay et al, 1984;Marshall, 1986) and to evaluate drug toxicity (Uzuka et al, 1996). BAEPs provide a robust evaluation of brainstem integrity and can be used in head trauma and inflammatory disease cases, as well as other conditions when an animal is comatose and cranial nerve reflexes cannot be evaluated (Luttgen, 1994;Steiss et al, 1994).…”

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Brainstem auditory evoked potential testing in Dalmatian dogs in Brazil

Palumbo

Resende²,

Mayhew

et al. 2014

Arq. Bras. Med. Vet. Zootec.

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The brain stem auditory-evoked potential (BAEP) is an electrophysiologic test that detects and records the electrical activity in the auditory system from cochlea to midbrain, generated after an acoustic stimulus applied to the external ear. The aim of this study is to obtain normative data for BAEP in Dalmatian dogs in order to apply this to the evaluation of deafness and other neurologic disorders. BAEP were recorded from 30 Dalmatian dogs for a normative Brazilian study. Mean latencies for waves I, III, and V were 1.14 (±0.09), 2.62 (±0.10), and 3.46 (±0.14) ms, respectively. Mean inter-peak latencies for I-III, III-V, and I-V intervals were 1.48 (±0.17), 0.84 (±0.12), and 2.31 (±0.18) ms, respectively. Unilateral abnormalities were found in 16.7% of animals and bilateral deafness was seen in one dog. The normative data obtained in this paper is compatible with other published data. As far as we know this is the first report of deafness occurrence in Dalmatian dogs in Brazil.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Brainstem auditory evoked potential testing in Dalmatian dogs in Brazil

Palumbo

Resende²,

Mayhew

et al. 2014

Arq. Bras. Med. Vet. Zootec.

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“…In most dog breeds, inherited congenital sensorineural deafness results from perinatal degeneration of the stria vascularis, which appears to result from the local absence of functional melanocytes (Strain 1996). Behavioural responses to subjective hearing tests are difficult to interpret in pups or untrained adult dogs (Marshall 1986).…”

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confidence: 99%

“…The breeds with the highest prevalence of deafness include the Australian Cattle Dog, Australian Shepherd, Bull Terrier, Catahoula, Dalmatian, English Cocker Spaniel, English Setter and West Highland White Terrier (Strain 1996). The occurrence of deafness has been reported for many breeds, but as far as we know, no published study is available for Boxer dogs in Brazil.…”

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Brainstem auditory-evoked potential in Boxer dogs

Palumbo

Resende²,

Pantoja³

et al. 2014

Pesq. Vet. Bras.

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RESUMO.-[Potencial evocado auditivo de tronco encefálico em cães da raça Boxer.] O potencial evocado auditivo de tronco encefálico (PEATE) tem sido amplamente utilizado com diferentes finalidades na prática veterinária e é comumente usado para identificar a surdez hereditá-ria e a presbiacusia. No presente estudo, 43 cães da raça Boxer foram pelo teste PEATE. Foi diagnosticada surdez em 3 cães (2 bilaterais e 1 unilateral), e 40 Boxers foram usados no estudo normativo incluindo avaliação da influência da idade no PEATE. Os animais foram divididos de acordo com a idade em 2 grupos de 20 Boxers cada. A idade media foi 4,54 anos (variação de 1-8) no grupo I e 9,83 anos (variação de 8,5-12) no grupo II. A latência media das ondas I, III e V foram: 1,14 (±0,07); 2,64 (±0,11) e 3,48 (±0,10) ms no grupo I; e 1,20 (±0,12); 2,73 (±0,15) e 3,58 (±0,22) ms no grupo II, respectivamente. A latência media para os intervalos I-III, III-V e I-V foram 1,50 (±0,15); 0,84 (±0,15) e 2,34 (±0,11) ms no grupo I; e 1,53 (±0,16); 0,85 (±0,15) e 2,38 (±0,19) ms no grupo II, respectivamente. As latências das ondas I e III foram estatisticamente diferentes entre os grupos I e II. Não foram observadas diferenças estatísticas entre os dois grupos para os intervalos I-III, III-V e I-V. De acordo com a revisão realizada, este é o primeiro estudo normativo de BAEP realizado em cães da raça Boxer. Brainstem auditory-evoked potential (BAEP) has been widely used for different purposes in veterinary practice and is commonly used to identify inherited deafness and presbycusis. In this study, 43 Boxer dogs were evaluated using the BAEP. Deafness was diagnosed in 3 dogs (2 bilateral and 1 unilateral) allowing the remaining 40 Boxers to be included for normative data analysis including an evaluation on the influence of age on the BAEP. The animals were divided into 2 groups of 20 Boxers each based on age. The mean age was 4.54 years (range, 1-8) in group I, and 9.83 years (range, 8.5-12) in group II. The mean latency for I, III, and V waves were 1.14 (±0.07), 2.64 (±0.11), and 3.48 (±0.10) ms in group I, and 1.20 (±0.12), 2.73 (±0.15), and 3.58 (±0.22) ms in group II, respectively. The mean inter-peak latencies for the I-III, III-V and I-V intervals were 1.50 (±0.15), 0.84 (±0.15), and 2.34 (±0.11) ms in group I, and 1.53 (±0.16), 0.85 (±0.15), and 2.38 (±0.19) ms in group II, respectively. Latencies of waves I and III were significant different between group I and II. For the I-III, III-V and I-V intervals, no significant differences were observed between the 2 groups. As far as we know, this is the first normative study of BAEP obtained from Boxer dogs.

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Deafness

2022

Large Animal Neurology

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Aetiology, prevalence and diagnosis of deafness in dogs and cats

Cited by 101 publications

References 34 publications

Brainstem auditory evoked potential testing in Dalmatian dogs in Brazil

Brainstem auditory evoked potential testing in Dalmatian dogs in Brazil

Brainstem auditory-evoked potential in Boxer dogs

Deafness

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