Potenciais evocados auditivos em indivíduos com síndrome vestibular periférica

Matas, Carla Gentile; Silva, Sara Manami; Wen, Débora Dong Mei; Nunes, Cristiane da Silva; Sanches, Seisse Gabriela Gandolfi

doi:10.1590/s1809-48722011000300007

Cited by 2 publications

(7 citation statements)

References 11 publications

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“…There was an exception in one item that evidenced statistical significance, showing prevalence of individuals with alteration on the latency of the interpeak interval III-V of the RE. This fact supports the results of a study (5) that also found a difference in this same interval, although, when comparing the control groups and PVD, the causes of this result is not defined by the authors. Conversely, other authors (3) did not show alterations in the interpeak intervals of individuals with vestibular dysfunction, compared to normal individuals.…”

Section: Discussionsupporting

confidence: 85%

“…By analysing the study participants' characteristics, it was possible to observe a wide age range, which is similar to previous studies carried out with subjects with vestibular dysfunction (3,5,17) . Considering that the alterations in the labyrinth may occur in different age groups, which vary from very young to elderly individuals, such wide age range evaluated (4) in this study is justified.…”

Section: Discussionsupporting

confidence: 76%

“…In the last Brazilian research on the subject, when comparing the BAEP of individuals with and without vestibular dysfunction, 96% of the individuals had normal latency values, but this rate was increased in relation to the control group (3) . In another study (5) , when evaluating the auditory pathway with BAEP, PEAML and P300 in individuals with PVD and VD of peripheral origin, changes were found in all potentials.…”

Section: Introductionmentioning

confidence: 89%

“…The auditory and vestibular systems are located in the same peripheral receptor. Because of their proximity, we believe that there is a need for an evaluation of both portions, which should include of the vestibular tests, the electrophysiological evaluation of hearing, especially in individuals complaining of dizziness, vertigo or associated manifestations (3,5) , in order to establish an accurate diagnosis of the possible etiologies.…”

Section: Introductionmentioning

confidence: 99%

“…Auditory Evoked Potentials (PEA) can assist in the diagnosis of individuals with vestibular alterations, investigating the integrity of the auditory pathway from its peripheral portion to the auditory cortex, since vestibular disorders can compromise both systems (3,8) . The PEA integrated to the vestibular evaluation can provide information about the lesion site (5) . Among the EAPs, the short (Auditory Evoked Potential Brain Stem Potential -BAEP), mean (Moderate Latency Auditory Evoked Potential -MEL) or long latency (P1, N1, P2, N2) can also be used in this evaluation, also known as cortical and cognitive potentials (P300).…”

Section: Introductionmentioning

confidence: 99%

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Potenciais evocados auditivos de curta e longa latência em indivíduos com disfunção vestibular

Filha

Bruckmann

Garcia

2018

CoDAS

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Purpose Evaluate the auditory pathway at the brainstem and cortical levels in individuals with peripheral vestibular dysfunction. Methods The study sample was composed 19 individuals aged 20-80 years that presented exam results suggestive of Peripheral Vestibular Disorder (PVD) or Vestibular Dysfunction (VD). Participants underwent evaluation of the auditory pathway through Brainstem Auditory Evoked Potentials (BAEP) (short latency) and P1, N1, P2, N2, and P300 cortical potentials (long latency). Results Nine individuals presented diagnosis of VD and 10 participants were diagnosed with PVD. The overall average of the long latency potentials of the participants was within the normal range, whereas an increased mean was observed in the short latency of waves III and V of the left ear, as well as in the I - III interpeak interval of both ears. Association of the auditory potentials with VD and PVD showed statistically significant correlation only in the III - V interpeak interval of the right ear for short latency. Comparison between the long and short latencies in the groups showed differences between VD and PVD, but without statistical significance. Conclusion No statistically significant correlation was observed between VD/PVD and the auditory evoked potentials; however, for the long latency potentials, individuals with VD presented higher latency in P1, N1, P2, and N2, where as participants with PVD showed higher latency in P300. In the short latency potentials, there was an increase in the absolute latencies in the VD group and in the interpeak intervals in the PVD group.

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Section: Discussionsupporting

confidence: 85%

Section: Discussionsupporting

confidence: 76%

Section: Introductionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Potenciais evocados auditivos de curta e longa latência em indivíduos com disfunção vestibular

Filha

Bruckmann

Garcia

2018

CoDAS

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Assessing vestibular function using electroencephalogram rhythms evoked during the caloric test

et al. 2023

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IntroductionThe vestibular system is responsible for motion perception and balance preservation in the body. The vestibular function examination is useful for determining the cause of associated symptoms, diagnosis, and therapy of the patients. The associated cerebral cortex processes and integrates information and is the ultimate perceptual site for vestibular-related symptoms. In recent clinical examinations, less consideration has been given to the cortex associated with the vestibular system. As a result, it is crucial to increase focus on the expression of the cortical level while evaluating vestibular function. From the viewpoint of neuroelectrophysiology, electroencephalograms (EEG) can enhance the assessments of vestibular function at the cortex level.MethodsThis study recorded nystagmus and EEG data throughout the caloric test. Four phases were considered according to the vestibular activation status: before activation, activation, fixation suppression, and recovery. In different phases, the distribution and changes of the relative power of the EEG rhythms (delta, theta, alpha, and beta) were analyzed, and the correlation between EEG characteristics and nystagmus was also investigated.ResultsThe results showed that, when the vestibule was activated, the alpha power of the occipital region increased, and the beta power of the central and top regions and the occipital region on the left decreased. The changes in the alpha and beta rhythms significantly correlate with nystagmus values in left warm stimulation.DiscussionOur findings offer a fresh perspective on cortical electrophysiology for the assessment of vestibular function by demonstrating that the relative power change in EEG rhythms can be used to assess vestibular function.

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Potenciais evocados auditivos em indivíduos com síndrome vestibular periférica

Cited by 2 publications

References 11 publications

Potenciais evocados auditivos de curta e longa latência em indivíduos com disfunção vestibular

Potenciais evocados auditivos de curta e longa latência em indivíduos com disfunção vestibular

Assessing vestibular function using electroencephalogram rhythms evoked during the caloric test

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