Tinnitus and event related potentials: a systematic review

Azevedo, Andréia Aparecida de; Figueiredo, Ricardo Rodrigues; Penido, Norma de Oliveira

doi:10.1016/j.bjorl.2019.09.005

Cited by 12 publications

(11 citation statements)

References 40 publications

(34 reference statements)

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“…Duas revisões sistemáticas recentes destacaram o P300 como potencial biomarcador para o zumbido subjetivo, justificando que o sintoma ocasiona a inibição da atenção ao estímulo exterior, decorrente das mudanças no funcionamento cerebral auditivo e cognitivo (2,34,35) . Diante disso, tem-se a hipótese de disfunção cortical ligada ao tálamo, em que o PEAAL pode auxiliar na correlação do zumbido com as alterações neurobiológicas.…”

Section: Discussionunclassified

Zumbido crônico: análise das contribuições clínicas de diferentes avaliações audiológicas

Moreira

Bruno

Oppitz

et al. 2022

Audiol., Commun. Res.

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RESUMO Objetivo Investigar se há diferenças nos achados audiológicos periféricos e centrais entre indivíduos com limiares auditivos normais com e sem zumbido crônico e, com isso, entender quais exames auditivos são importantes nessa população. Métodos A amostra foi composta por conveniência, incluindo indivíduos de 18 a 59 anos, divididos em dois grupos: grupo 1 (G1), formado por sujeitos sem queixa de zumbido crônico e grupo 2 (G2), por indivíduos com zumbido crônico. A avaliação consistiu nos seguintes procedimentos: anamnese, audiometria de altas frequências (AAF), emissões otoacústicas transientes (EOAT), potencial evocado auditivo de tronco encefálico (PEATE)-clique, frequency following response (FFR) e o potencial evocado auditivo de longa latência (PEALL)-fala. Resultados O G2 apresentou valores aumentados para a AFF, com diferenças significativas. Para ambos os grupos, a EOAT mostrou predominância de presença de respostas. No PEATE, não houve diferenças estatisticamente significativas. No FFR, o G1 obteve maior amplitude de onda V e houve maior ocorrência de ausências no PEALL dos potenciais P1, N2 e P300, no G2. Conclusão A AAF, a análise da relação da onda V/I do PEATE, o FFR e o PEALL identificaram alterações nos indivíduos com zumbido crônico, demonstrando que tais procedimentos são promissores na avaliação dessa população.

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Section: Discussionunclassified

Zumbido crônico: análise das contribuições clínicas de diferentes avaliações audiológicas

Moreira

Bruno

Oppitz

et al. 2022

Audiol., Commun. Res.

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“…Two recent systematic reviews highlighted P300 as a potential biomarker for subjective tinnitus, justifying that the symptom causes inhibition of attention to external stimuli, resulting from changes in auditory and cognitive functioning (2,34,35) . Therefore, this leads to the hypothesis that cortical dysfunction is linked to the thalamus, so that the LLAEP might help in correlating tinnitus with neurobiological alterations.…”

Section: Discussionmentioning

confidence: 99%

Chronic tinnitus: analysis of clinical contributions from different audiological evalutions

Moreira

Bruno

Oppitz

et al. 2022

Audiol., Commun. Res.

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Purpose To investigate whether there are differences in peripheral and central audiological findings between individuals with normal hearing thresholds with and without chronic tinnitus, and thereby understand which hearing tests are most important in this population. Methods The sample was composed of convenience, including individuals from 18 to 59 years old, divided into two groups: Group 1 (G1) composed of subjects without complaints of chronic tinnitus, and Group 2 (G2) composed of individuals with chronic tinnitus. The evaluation consisted of the following procedures: Anamnesis, High-frequency audiometry (HFA), Transient Otoacoustic emissions (TOAEs), Auditory Brainstem Response (ABR)-click, Frequency Following Response (FFR), and Long Latency Auditory Evoked Potential (LLAEP)-speak. Results G2 showed increased values for HFA, with significant differences. For both groups, TOAEs showed a predominance of responses. In ABR there were no statistically significant differences. In FFR, G1 obtained a greater amplitude of wave V and there was a greater absence in LLAEP of P1, N2, and P300 in G2. Conclusion The HFA, the analysis of the wave V/I ratio in ABR, the FFR, and the LLAEP identified alterations in individuals with chronic tinnitus, demonstrating that such procedures are promising in the evaluation of this population.

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“…4 Long latency event-related potentials including P300 are often used to evaluate the function of higher cortical areas, and they can be used clinically for the assessment of cognitive function in cases of tinnitus. 5 However, the possibility of the presence of subtle cochlear dysfunction is still strongly suggested to play an important role in the generation of tinnitus, which emphasises the importance of assessing the peripheral auditory pathway to diagnose such a possibility. Cochlear function can be tested objectively using otoacoustic emissions.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Tinnitus: impact on patients in relation to audiological findings

2022

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Objective Tinnitus is a common auditory disorder in which patients experience noise in the absence of an external source. It is a consequence of irreversible cochlear damage. This study examined the distortion product otoacoustic emissions and P300 components of event-related potentials. Method This study included a control group of 25 normal-hearing adults not complaining of tinnitus and a study group that consisted of 45 normal-hearing adults complaining of tinnitus. Measures included patient history, basic audiological evaluation, the Arabic version of Tinnitus Handicap Inventory, distortion product otoacoustic emissions testing and P300 recording. Results The study group showed significantly higher hearing thresholds at all frequencies as well as delayed latencies and reduced amplitude of P300. The Tinnitus Handicap Inventory showed mean scores of 35.2 ± 16.9, and the distortion product gram showed higher amplitudes in the control group. Conclusion Patients with tinnitus might have neural dysfunction at either peripheral or central levels of the auditory pathway.

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Tinnitus and event related potentials: a systematic review

Cited by 12 publications

References 40 publications

Zumbido crônico: análise das contribuições clínicas de diferentes avaliações audiológicas

Zumbido crônico: análise das contribuições clínicas de diferentes avaliações audiológicas

Chronic tinnitus: analysis of clinical contributions from different audiological evalutions

Tinnitus: impact on patients in relation to audiological findings

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