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Auditory brainstem function in women with vestibular migraine: a controlled study
Alice A Takeuti1, Mariana L Fávero2, Erica Helena Zaia3
1Departamento de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço, Universidade Federal de São Paulo, São Paulo, Brazil. a.takeuti@unifesp.br.
BMC Neurology
|June 29, 2019
Summary
Vestibular migraine (VM) patients show altered temporal auditory processing and loudness discomfort levels during interictal periods. These findings suggest potential new diagnostic criteria for this underdiagnosed condition.
Area of Science:
- Neuroscience
- Audiology
- Neurology
Background:
- Vestibular migraine (VM) affects up to 1% of the general population and is often underdiagnosed.
- Clinical studies are crucial for identifying diagnostic indicators of VM.
- Auditory system involvement in VM requires further investigation.
Purpose of the Study:
- To assess auditory brainstem function in women with vestibular migraine (VM).
- To evaluate electrophysiological testing, contralateral acoustic reflex, and loudness discomfort level as potential diagnostic indicators for VM.
Main Methods:
- Compared 29 women with VM (interictal period) to 25 healthy controls.
- Utilized Auditory Brainstem Response (ABR), Frequency Following Response (FFR), and binaural interaction component.
- Assessed contralateral efferent suppression, loudness discomfort threshold, and contralateral acoustic reflex.
Main Results:
- Statistically significant differences were observed between VM patients and controls in FFR.
- A significant difference was found in loudness discomfort levels between the two groups.
Conclusions:
- Temporal auditory processing, as indicated by FFR, is altered in VM patients during the interictal period.
- Loudness discomfort levels are also altered in VM patients between migraine attacks.
- These auditory measures may serve as valuable diagnostic criteria for VM.
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