Brainstem auditory‐evoked response in healthy African pygmy hedgehogs (Atelerix albiventris)

Teubenbacher, U.; Doss, Grayson; Guevar, J. (2021). Brainstem auditory‐evoked response in healthy African pygmy hedgehogs (Atelerix albiventris). Journal of small animal practice, 62(1), pp. 49-54. Wiley 10.1111/jsap.13264

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Objectives: To evaluate and describe brainstem auditory-evoked response measurements in healthy African pygmy hedgehogs (Atelerix albiventris).Materialsand MethOds: Brainstem auditory-evoked response measurements were performed in 12 adult African pygmy hedgehogs (seven males, five females) under general anaesthesia. Waveform morphol-ogy was assessed and wave latencies, amplitudes and interpeak latencies calculated.results: Brainstem auditory-evoked response measurements were successfully performed in both ears from all hedgehogs. Three distinct waves were reproducible in all patients in both ears using a stimu-lus with an intensity of 90 dB nHL (decibel above normal hearing level). Amplitudes of waves I and V, latencies of waves I, II-III and V and interpeak latencies of waves I-V were calculated at 90 dB for both ears of each animal.clinical significance: This study describes normal brainstem auditory-evoked response morphology and latencies for African pygmy hedgehogs. General anaesthesia is required to perform this neurodiagnos-tic, given the unique behaviour and anatomy of hedgehogs. This baseline data may be useful for inves-tigating hearing abnormalities and central nervous system disorders in hedgehogs.

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