Satisfaction and quality of life in cochlear implant users with long sensory deprivation.

PURPOSE: The aim of the study was to verify the level of satisfaction of CI users with long periods of hearing deprivation, highlighting the positive and negative aspects of the use of the device and their quality of life. METHODS: This is a analytical research, of the type observational cross-sectional study. The study was performed with 24 patients from a private Institute of Otorhinolaryngology. Three surveys were applied: Satisfaction with Amplification in Daily Life (SADL), International Outcome Inventory - Cochlear Implant (IOI - CI) to assess cochlear implant satisfaction and WHOQOL- bref to assess the quality of life. The results in the pre and post lingual groups were compared. RESULTS: The highest degree of satisfaction was reported with regard to personal image, positive effects, and how the users feel about their CI. The lowest degree of satisfaction was reported regarding the cost-benefit of the CI and the competitive noise. In the WHOQOL-bref assessment, the highest scores were found in physical, psychological and social relations domains. When comparing the results of the surveys, the pre and post-lingual groups showed no difference in relation to the achieved scores. CONCLUSION: The participants had a high level of satisfaction with the use of cochlear implants. The longer the sensory deprivation time, the greater the degree of satisfaction with the device. The use of the CI electronic device reflects on the individual's quality of life.

Satisfaction and quality of life in cochlear implant users with long sensory deprivation / Satisfação e qualidade de vida em usuários de implante coclear com longo tempo de privação sensorial

ABSTRACT Purpose The aim of the study was to verify the level of satisfaction of CI users with long periods of hearing deprivation, highlighting the positive and negative aspects of the use of the device and their quality of life. Methods This is a analytical research, of the type observational cross-sectional study. The study was performed with 24 patients from a private Institute of Otorhinolaryngology. Three surveys were applied: Satisfaction with Amplification in Daily Life (SADL), International Outcome Inventory - Cochlear Implant (IOI - CI) to assess cochlear implant satisfaction and WHOQOL- bref to assess the quality of life. The results in the pre and post lingual groups were compared. Results The highest degree of satisfaction was reported with regard to personal image, positive effects, and how the users feel about their CI. The lowest degree of satisfaction was reported regarding the cost-benefit of the CI and the competitive noise. In the WHOQOL-bref assessment, the highest scores were found in physical, psychological and social relations domains. When comparing the results of the surveys, the pre and post-lingual groups showed no difference in relation to the achieved scores. Conclusion The participants had a high level of satisfaction with the use of cochlear implants. The longer the sensory deprivation time, the greater the degree of satisfaction with the device. The use of the CI electronic device reflects on the individual's quality of life.

RESUMO Objetivo Verificar o nível de satisfação de usuários de IC com longos períodos de privação auditiva, destacando os aspectos positivos e negativos do uso do dispositivo e avaliar a qualidade de vida desses indivíduos. Método Trata-se de uma pesquisa analítica, do tipo estudo observacional transversal. O estudo foi realizado com 24 pacientes de um instituto privado de Otorrinolaringologia. Foram aplicados três questionários: Satisfaction with Amplification in Daily Life (SADL), International Outcome Inventory- Implante Coclear (IOI - IC) para avaliar a satisfação com o implante coclear e WHOQOL-bref para avaliar a qualidade de vida. Os resultados nos grupos pré e pós-lingual foram comparados. Resultados O maior grau de satisfação foi relatado em relação à imagem pessoal, efeitos positivos e como os usuários se sentem em relação ao seu IC. O menor grau de satisfação ocorreu em relação ao custo-benefício do IC e ao ruído competitivo. Na avaliação do WHOQOL-bref, os maiores escores foram encontrados nos domínios físico, psicológico e relações sociais. Os grupos pré e pós-lingual não apresentaram diferença em relação aos escores alcançados. Conclusão Os participantes apresentaram alto nível de satisfação com o uso do implante coclear. Quanto maior o tempo de privação sensorial maior o grau de satisfação com o dispositivo. O uso do dispositivo eletrônico de IC reflete melhora na qualidade de vida do indivíduo.

Cultural adaptation of the speech, spatial and qualities of hearing scale to Colombian Spanish / Adaptação cultural da Speech, Spatial and Qualities of Hearing Scale para o espanhol da Colômbia

Abstract Introduction The Speech, Spatial and Qualities of Hearing Scale has been widely used to assess the subjective sense of auditory ability, functional hearing loss and the resulting benefit of the hearing correction strategy. Objective To translate and culturally adapt the Speech, Spatial and Qualities of Hearing Scale to the Colombian Spanish from Brazilian Portuguese by means of a final version that demonstrates an understanding percentage greater than 85%. Methods The study was divided into three phases: in the first one the translation was done, the retro translation and the modifications were defined by the evaluation team, and in the other two, two pilot tests were made to 50 participants: in the first one the understanding of each of the statements that made up the Speech, Spatial and Qualities of Hearing Scale was examined in 25 people and adjustments were made, and in the second, the same procedure was carried out in 25 other individuals but the document was not changed. Results It was observed that during the pilot test 1, there was difficulty in questions number 2 of Part 1 (56% understanding), and in 8, 9, 10, 12, 16 and 17 of Part 3 (75%) of understanding), while in others, the degree of understanding was higher than 85%. However, in pilot test 2, understanding was above 85% in all questions. In addition, Cronbach's alpha (0.93) indicated that the items from which the test was constituted measured the same construct and were reliable. Conclusion The method used allowed obtaining the version of the Speech, Spatial and Qualities of Hearing Scale in Colombian Spanish with an understanding percentage greater than 85%.

Resumo Introdução A Speech, Spatial and Qualities of Hearing Scale tem sido amplamente usada para avaliar subjetivamente a capacidade auditiva, a perda auditiva funcional e o benefício resultante da estratégia de correção auditiva. Objetivo Traduzir e adaptar culturalmente a Speech, Spatial and Qualities of Hearing Scale para o espanhol da Colômbia a partir do português do Brasil, através de uma versão final que demonstre um percentual de entendimento superior a 85%. Método Foi dividido em três fases: na primeira, foram feitas a tradução, retrotradução e as modificações que foram definidas pela equipe de avaliação; nas outras duas, foram feitos dois testes piloto para 50 participantes; no primeiro, a compreensão de cada uma das frases que compunham a Speech, Spatial and Qualities of Hearing Scale foi avaliada em 25 pessoas e foram feitos ajustes; na segunda, o mesmo procedimento foi feito em outras 25 pessoas, mas o documento não foi alterado. Resultados Observou-se que durante o teste-piloto 1 houve dificuldade de entendimento nas questões número 2 da Parte 1 (56% de entendimento) e nas questões 8, 9, 10, 12, 16 e 17 da Parte 3 (75%)), enquanto em outras o grau de entendimento foi superior a 85%; entretanto, no teste-piloto 2, o entendimento ficou acima de 85% em todas as perguntas. Além disso, o alfa de Cronbach (0,93) indicou que os itens que constituíam o teste mediam o mesmo construto e eram confiáveis. Conclusão O método usado permitiu obter a versão da Speech, Spatial and Qualities of Hearing Scale em espanhol da Colômbia com um percentual de entendimento superior a 85%.

Cultural adaptation of the speech, spatial and qualities of hearing scale to Colombian Spanish.

INTRODUCTION: The Speech, Spatial and Qualities of Hearing Scale has been widely used to assess the subjective sense of auditory ability, functional hearing loss and the resulting benefit of the hearing correction strategy. OBJECTIVE: To translate and culturally adapt the Speech, Spatial and Qualities of Hearing Scale to the Colombian Spanish from Brazilian Portuguese by means of a final version that demonstrates an understanding percentage greater than 85%. METHODS: The study was divided into three phases: in the first one the translation was done, the retro translation and the modifications were defined by the evaluation team, and in the other two, two pilot tests were made to 50 participants: in the first one the understanding of each of the statements that made up the Speech, Spatial and Qualities of Hearing Scale was examined in 25 people and adjustments were made, and in the second, the same procedure was carried out in 25 other individuals but the document was not changed. RESULTS: It was observed that during the pilot test 1, there was difficulty in questions number 2 of Part 1 (56% understanding), and in 8, 9, 10, 12, 16 and 17 of Part 3 (75%) of understanding), while in others, the degree of understanding was higher than 85%. However, in pilot test 2, understanding was above 85% in all questions. In addition, Cronbach's alpha (0.93) indicated that the items from which the test was constituted measured the same construct and were reliable. CONCLUSION: The method used allowed obtaining the version of the Speech, Spatial and Qualities of Hearing Scale in Colombian Spanish with an understanding percentage greater than 85%.

Vestibular implant: does it really work? A systematic review / Implante vestibular: ele realmente funciona? Uma revisão sistemática

Abstract Introduction: People with vestibular loss present a deficit in the vestibular system, which is primarily responsible for promoting postural control, gaze stabilization, and spatial orientation while the head moves. There is no effective treatment for a bilateral loss of vestibular function. Recently, a vestibular implant was developed for people with bilateral loss of vestibular function to improve this function and, consequently, the quality of life of these patients. Objective: To identify in the scientific literature evidence that vestibular implants in people with vestibular deficit improves vestibular function. Methods: One hundred and forty six articles were found from five databases and 323 articles from the gray literature mentioning the relationship between vestibular implant and vestibular function in humans. The PICOS strategy (Population, Intervention, Comparison and Outcome) was used to define the eligibility criteria. The studies that met the inclusion criteria for this second step were included in a qualitative synthesis, and each type of study was analyzed according to the bias risk assessment of the Joanna Briggs Institute through the critical assessment checklist Joanna Briggs institute for quasi-experimental studies and the Joanna Briggs institute critical assessment checklist for case reports. Results: Of the 21 articles included in reading the full text, 10 studies were selected for the qualitative analysis in the present systematic review. All ten articles analyzed through the critical assessment checklist Joanna Briggs institute showed a low risk of bias. The total number of samples in the evaluated articles was 18 patients with vestibular implants. Conclusions: Taken together, these findings support the feasibility of vestibular implant for restoration of the vestibulo-ocular reflex in a broad frequency range and illustrate new challenges for the development of this technology.

Resumo Introdução: Pessoas com perda vestibular apresentam um déficit no sistema vestibular, o qual é o principal responsável pelo controle postural, pela estabilização do olhar e orientação espacial enquanto a cabeça se movimenta. Não há tratamento efetivo para uma perda vestibular bilateral. Recentemente, foi desenvolvido um implante vestibular para pessoas com perda vestibular bilateral para melhorar essa função e, consequentemente, a qualidade de vida desses pacientes. Objetivo: Identificar na literatura científica evidências de que o implante vestibular melhora a função vestibular de pessoas com déficit vestibular. Método: Cento e quarenta e seis artigos foram encontrados em cinco bases de dados e 323 arti-gos da literatura cinzenta, mencionando a relação entre implante vestibular e função vestibular em humanos. A estratégia PICOS (População, Intervenção, Comparação e Desfechos) foi uti-lizada para definir os critérios de elegibilidade. Os estudos que preencheram os critérios de inclusão para esta segunda etapa foram incluídos em uma síntese qualitativa, e cada tipo de estudo foi analisado de acordo com a avaliação de risco de viés do Joanna Briggs Institute através da critical appraisal checklist for quasi-experimental studies e da critical appraisa lchecklist for case reports. Resultados: Dos 21 artigos incluídos cujos textos completos foram lidos, 10 foram selecionados para a análise qualitativa na presente revisão sistemática. Todos os dez artigos analisados ??através da critical appraisal checklist mostraram um baixo risco de viés. O número total de amostras nos artigos avaliados foi de 18 pacientes com implantes vestibulares. Conclusões: Em conjunto, esses achados apoiam a viabilidade do implante vestibular para a restauração do reflexo vestíbulo-ocular em uma ampla faixa de frequências e ilustram novos desafios para o desenvolvimento desta tecnologia.

Vestibular implant: does it really work? A systematic review.

INTRODUCTION: People with vestibular loss present a deficit in the vestibular system, which is primarily responsible for promoting postural control, gaze stabilization, and spatial orientation while the head moves. There is no effective treatment for a bilateral loss of vestibular function. Recently, a vestibular implant was developed for people with bilateral loss of vestibular function to improve this function and, consequently, the quality of life of these patients. OBJECTIVE: To identify in the scientific literature evidence that vestibular implants in people with vestibular deficit improves vestibular function. METHODS: One hundred and forty six articles were found from five databases and 323 articles from the gray literature mentioning the relationship between vestibular implant and vestibular function in humans. The PICOS strategy (Population, Intervention, Comparison and Outcome) was used to define the eligibility criteria. The studies that met the inclusion criteria for this second step were included in a qualitative synthesis, and each type of study was analyzed according to the bias risk assessment of the Joanna Briggs Institute through the critical assessment checklist Joanna Briggs institute for quasi-experimental studies and the Joanna Briggs institute critical assessment checklist for case reports. RESULTS: Of the 21 articles included in reading the full text, 10 studies were selected for the qualitative analysis in the present systematic review. All ten articles analyzed through the critical assessment checklist Joanna Briggs institute showed a low risk of bias. The total number of samples in the evaluated articles was 18 patients with vestibular implants. CONCLUSIONS: Taken together, these findings support the feasibility of vestibular implant for restoration of the vestibulo-ocular reflex in a broad frequency range and illustrate new challenges for the development of this technology.

Analysis of electrically evoked compound action potential of the auditory nerve in children with bilateral cochlear implants / Análise do potencial de ação composto do nervo auditivo evocado eletricamente em crianças usuárias de implante coclear bilateral

ABSTRACT INTRODUCTION: The cochlear implant device has the capacity to measure the electrically evoked compound action potential of the auditory nerve. The neural response telemetry is used in order to measure the electrically evoked compound action potential of the auditory nerve. OBJECTIVE: To analyze the electrically evoked compound action potential, through the neural response telemetry, in children with bilateral cochlear implants. METHODS: This is an analytical, prospective, longitudinal, historical cohort study. Six children, aged 1-4 years, with bilateral cochlear implant were assessed at five different intervals during their first year of cochlear implant use. RESULTS: There were significant differences in follow-up time (p = 0.0082) and electrode position (p = 0.0019) in the T-NRT measure. There was a significant difference in the interaction between time of follow-up and electrode position (p = 0.0143) when measuring the N1-P1 wave amplitude between the three electrodes at each time of follow-up. CONCLUSION: The electrically evoked compound action potential measurement using neural response telemetry in children with bilateral cochlear implants during the first year of follow-up was effective in demonstrating the synchronized bilateral development of the peripheral auditory pathways in the studied population.

RESUMO INTRODUÇÃO: O implante coclear tem a capacidade de medir o potencial de ação composto eletricamente evocado do nervo auditivo (ECAP). Para esta verificação utiliza-se uma medida chamada telemetria de respostas neurais. OBJETIVO: Analisar o potencial de ação composto evocado eletricamente, por meio da neurotelemetria de respostas neurais, em crianças usuárias de implante coclear bilateral. MÉTODO: Trata-se de um estudo analítico, prospectivo, de coorte histórica longitudinal. Foram recrutadas seis crianças, com idades entre de 1-4 anos, usuárias de implante coclear bilateral. Estas crianças foram avaliadas em cinco momentos durante o primeiro ano de uso do implante coclear. RESULTADOS: Houve diferença significativa no tempo de acompanhamento (p = 0,0082) e posição do eletrodo (p = 0,0019) na medida de T-NRT. Houve diferença significativa na interação entre tempo de acompanhamento e posição do eletrodo (p = 0,0143) na medida da amplitude das ondas N1-P1 entre os três eletrodos a cada tempo de acompanhamento. CONCLUSÃO: A mensuração do ECAP por meio da NRT nas crianças com implante coclear bilateral durante o primeiro ano de acompanhamento foi uma medida importante para apresentar o desenvolvimento bilateral da via auditiva periférica de forma sincronizada nesta população estudada.

Hearing performance and voice acoustics of cochlear implanted children / Desempenho auditivo e acústica da voz de crianças com implante coclear

ABSTRACT INTRODUCTION: The voice of hearing-impaired individuals has been described extensively, and exhibits abnormalities in quality, articulation and resonance. Having an understanding of the aspects that may have an impact on voice characteristics of cochlear implant users is important for users and for professionals in this field. OBJECTIVE: To verify the existence of correlation between age, time of device use, voice detection threshold, hearing category score and language category score with acoustic data of voices of cochlear implanted children. METHODS: Retrospective study. Fifty-one children ranging in age from 3 years to 5 years and 11 months who unilaterally used cochlear implants participated. Acoustic analysis of the sustained vowel/a/, sequential speech and spontaneous speech was performed. The results were correlated with demographic data and hearing test results. RESULTS: Children with worse voice detection threshold showed higher frequency in the sustained vowel ( p ≤ 0.001) and in the spontaneous speech ( p ≤ 0.005). CONCLUSION: There was a correlation between the voice detection threshold and the frequency values of the sustained vowel and spontaneous speech of the studied population.

RESUMO INTRODUÇÃO: A voz do indivíduo com deficiência auditiva tem sido amplamente caracterizada, estando comprometida em termos de tipo de voz, articulação e ressonância, sendo que o conhecimento dos aspectos que possam ter impacto nas características vocais de usuários de implante coclear é de suma importância para os usuários e profissionais da área. OBJETIVO: Verificar a existência de correlação entre idade, tempo de uso, limiar de detecção de voz, escore da categoria de audição e escore da categoria de linguagem com dados acústicos de vozes de crianças com implante coclear. MÉTODO: Estudo retrospectivo. Participaram 51 crianças usuárias de implante coclear com idade de 3-5 anos e 11 meses. Foi realizada análise acústica da vogal sustentada/a/, fala encadeada e conversa espontânea. Os resultados foram correlacionados com dados demográficos e resultados de testes auditivos. RESULTADOS: Crianças com pior desempenho no teste de detecção de voz apresentam voz mais aguda na vogal sustentada ( p ≤ 0,001) e na conversa espontânea ( p ≤ 0,005). CONCLUSÃO: Houve correlação entre os limiares de detecção de voz e os valores de frequência na vogal sustentada e conversa espontânea na população estudada.

Analysis of electrically evoked compound action potential of the auditory nerve in children with bilateral cochlear implants.

INTRODUCTION: The cochlear implant device has the capacity to measure the electrically evoked compound action potential of the auditory nerve. The neural response telemetry is used in order to measure the electrically evoked compound action potential of the auditory nerve. OBJECTIVE: To analyze the electrically evoked compound action potential, through the neural response telemetry, in children with bilateral cochlear implants. METHODS: This is an analytical, prospective, longitudinal, historical cohort study. Six children, aged 1-4 years, with bilateral cochlear implant were assessed at five different intervals during their first year of cochlear implant use. RESULTS: There were significant differences in follow-up time (p=0.0082) and electrode position (p=0.0019) in the T-NRT measure. There was a significant difference in the interaction between time of follow-up and electrode position (p=0.0143) when measuring the N1-P1 wave amplitude between the three electrodes at each time of follow-up. CONCLUSION: The electrically evoked compound action potential measurement using neural response telemetry in children with bilateral cochlear implants during the first year of follow-up was effective in demonstrating the synchronized bilateral development of the peripheral auditory pathways in the studied population.

Hearing performance and voice acoustics of cochlear implanted children.

INTRODUCTION: The voice of hearing-impaired individuals has been described extensively, and exhibits abnormalities in quality, articulation and resonance. Having an understanding of the aspects that may have an impact on voice characteristics of cochlear implant users is important for users and for professionals in this field. OBJECTIVE: To verify the existence of correlation between age, time of device use, voice detection threshold, hearing category score and language category score with acoustic data of voices of cochlear implanted children. METHODS: Retrospective study. Fifty-one children ranging in age from 3 years to 5 years and 11 months who unilaterally used cochlear implants participated. Acoustic analysis of the sustained vowel/a/, sequential speech and spontaneous speech was performed. The results were correlated with demographic data and hearing test results. RESULTS: Children with worse voice detection threshold showed higher frequency in the sustained vowel (p≤0.001) and in the spontaneous speech (p≤0.005). CONCLUSION: There was a correlation between the voice detection threshold and the frequency values of the sustained vowel and spontaneous speech of the studied population.

Hearing rehabilitation in cerebral palsy: development of language and hearing after cochlear implantation / Reabilitação auditiva na paralisia cerebral: desenvolvimento da audição e linguagem após implante coclear

INTRODUCTION: Auditory rehabilitation in children with bilateral severe-to-profound sensorineural hearing loss with cochlear implant has been developed in recent decades; however, the rehabilitation of children with cerebral palsy still remains a challenge to otolaryngology and speech therapy professionals. OBJECTIVE: To verify the effectiveness of cochlear implants in the development of auditory and language skills in children with cerebral palsy. METHODS: A prospective analytical study. The evaluation of auditory responses to speech test was applied to the children in this study at regular intervals following implantation. Standardized tests that assess and quantify the development of auditory and language skills were administered and speech therapy video records and speech therapy files were analyzed. All children went through individually tailored intensive audiological rehabilitation programs following cochlear implantation. RESULTS: Two participants had gradual auditory and language development when compared to other participants who reached advanced levels in hearing and oral language classifications. CONCLUSION: The use of the Cochlear implant enabled participants to reach advanced stages of hearing and language skills in three of the five participants with cerebral palsy in this study. This electronic device is a viable therapeutic option for children with cerebral palsy to help them achieve complex levels of auditory and language skills. .

INTRODUÇÃO: A reabilitação auditiva em crianças com deficiência auditiva neurossensorial severa a profunda bilateral com o Implante Coclear foi consagrado nas últimas décadas, contudo, ainda permanece um desafio para a otorrinolaringologia e a fonoaudiologia a reabilitação do portador de paralisia cerebral. OBJETIVO: Verificar a efetividade do Implante Coclear no desenvolvimento das habilidades auditivas e de linguagem em crianças com paralisia cerebral. MÉTODO: Estudo analítico prospectivo. Foram aplicados testes padronizados que avaliam e quantificam o desenvolvimento das habilidades auditivas e de linguagem. Foram analisadas as filmagens das terapias fonoaudiológicas e os registros descritos ao término de cada sessão de terapia. RESULTADOS: As crianças analisadas apresentaram desenvolvimento auditivo e de linguagem satisfatório quando comparado às demais crianças que alcançaram níveis mais complexos nas categorias de audição e evolução significativa no desenvolvimento da linguagem oral. CONCLUSÃO: O uso do Implante Coclear favoreceu o alcance de etapas avançadas das habilidades de audição e linguagem em três das cinco crianças com paralisia cerebral desse estudo. Esse dispositivo eletrônico tem sido uma opção terapêutica viável para que crianças com paralisia cerebral alcancem etapas complexas no que se refere às habilidades auditivas e de linguagem. .

Mastoid surface area-to-volume ratios in adult Brazilian individuals.

UNLABELLED: Computed tomography-based measurements of mastoid surface area and volume have not been described for adult Brazilian individuals. These measurements add to the understanding of middle ear physiology, related diseases, and their impact on mastoid pneumatization. OBJECTIVE: To check the ratio between mastoid surface area and volume. METHOD: This contemporary cross-sectional cohort study included 28 patients submitted to CT imaging of the mastoid. Measurements of surface area and volume were made based on serial CT scans and produced with the aid of software package Image Pro Plus. RESULTS: Mastoid volumes ranged from 5.5 to 72.4 cm³. Surface areas ranged from 43.9 to 525.2 cm². Surface areas varied linearly with volumes. CONCLUSION: Mastoid surface areas and volumes of adult Brazilian subjects followed a linear correlation, as also described in studies carried out in other countries. Mean surface areas and volumes were higher than previously published, unlike surface area-to-volume ratios, which were lower. Further studies with larger populations will provide evidence as to whether Brazilian subjects have larger surface areas and volumes than other populations.

Relação entre área e volume da mastoide em adultos brasileiros / Mastoid surface area-to-volume ratios in adult Brazilian individuals

As medidas de área e volume da mastoide por tomografia computadorizada não foram previamente descritas em adultos brasileiros. O conhecimento dessas medidas é muito importante para o entendimento da fisiologia da orelha média e seus estados patológicos, refletindo diretamente na pneumatização mastoídea. OBJETIVO: Verificar a existência de relação entre a área e o volume da mastoide. MÉTODO: Estudo de coorte contemporânea com corte transversal, no qual 28 pacientes foram submetidos à tomografia de mastoides. Foram reconstruídas as medidas de área e volume das mastoides por cortes seriados usando o software Image Pro Plus. RESULTADOS: Os volumes das mastoides variaram de 5,5 até 72,4 cm³. As áreas variaram de 43,9 até 525,2 cm². A área da mastoide foi uma função linear do volume. CONCLUSÃO: As medidas de área e volume da mastoide em adultos brasileiros seguem uma correlação linear, concordando com estudos realizados em outros países. As médias de área e volume encontradas foram superiores às previamente publicadas, ao contrário da média da relação área/volume, que foi inferior. Futuros estudos, com número maior de indivíduos, poderão esclarecer se a população brasileira tem ou não maiores médias de área e volume da mastoide em relação a outras populações específicas.

Computed tomography-based measurements of mastoid surface area and volume have not been described for adult Brazilian individuals. These measurements add to the understanding of middle ear physiology, related diseases, and their impact on mastoid pneumatization. OBJECTIVE: To check the ratio between mastoid surface area and volume. METHOD: This contemporary cross-sectional cohort study included 28 patients submitted to CT imaging of the mastoid. Measurements of surface area and volume were made based on serial CT scans and produced with the aid of software package Image Pro Plus. RESULTS: Mastoid volumes ranged from 5.5 to 72.4 cm³. Surface areas ranged from 43.9 to 525.2 cm². Surface areas varied linearly with volumes. CONCLUSION: Mastoid surface areas and volumes of adult Brazilian subjects followed a linear correlation, as also described in studies carried out in other countries. Mean surface areas and volumes were higher than previously published, unlike surface area-to-volume ratios, which were lower. Further studies with larger populations will provide evidence as to whether Brazilian subjects have larger surface areas and volumes than other populations.

Auditory monitoring by means of evaluation of the cochlea in soldiers of the Brazilian Army exposed to impulse noise.

INTRODUCTION: Exposure to continuous or impulse noise may lead to High Sound Pressure Induced Hearing Loss (HSPIHL) or to acoustic trauma in soldiers. Auditory evaluation by means of evoked otoacoustic emissions (EOAE) has been demonstrating its importance in the detection of subtle changes in cochlear function still unidentified in threshold tone audiometry in subjects exposed to noise. OBJECTIVE: Studying Distortion product otoacoustic emissions (DPOAEs) before and after exposure to impulse noise in soldiers of the Brazilian Army. MATERIAL AND METHOD: This is an analytical, observational, longitudinal and prospective study. Auditory evaluation was performed by means of DPOAEs in 60 soldiers before and after exposure to impulse noise, of whom 30 were reevaluated immediately after exposure and 30 were reevaluated 24 hours after exposure. RESULTS: The statistical analysis revealed that both groups reevaluated after exposure to impulse noise showed a decrease in amplitudes in comparison with the tests before exposure. As for the signal/noise ratio, there was a significant difference at the frequencies of 6 and 8KHz and there was a significant association between a tinnitus complaint and the group reevaluated immediately after exposure to noise. CONCLUSION: The DPOAE test proved sensitive to detect subtle shifts after exposure to impulse noise, both with regard to the amplitude criterion and with regard to the signal/noise ratio even 24 hours after exposure. This demonstrated the applicability of the DPOAE test in monitoring the hearing of soldiers exposed to impulse noise.

Metilprednisolona intratimpânica como terapia de resgate na surdez neurossensorial súbita / Intratympanic methylprednisolone as rescue therapy in sudden sensorineural hearing loss

O tratamento da surdez súbita é uma das questões mais controversas da Otologia. No entanto, os corticoides sistêmicos têm sido a opção mais escolhida por referidos autores como padrão ouro de tratamento. O uso de corticoide intratimpânico como terapia de segunda linha para tratamento de casos refratários de surdez súbita tem sido relatado e os resultados promissores têm feito alguns autores promoverem o seu uso como terapia de primeira linha, indicando-a para todos os casos de surdez súbita. OBJETIVOS: Descrever essa nova modalidade de tratamento e avaliar a sua segurança e eficácia em quatorze pacientes tratados após falha da corticoterapia oral. MATERIAIS E MÉTODOS: Trata-se de estudo analítico prospectivo em que quatorze pacientes portadores de surdez súbita neurossensorial foram tratados com metilprednisolona intratimpânica após falha da corticoterapia oral. Limiares tonais e o índice de reconhecimento de fala pré-tratamento e pós-tratamento foram analisados. RESULTADOS: Dez dos quatorze pacientes tratados com metilprednisolona intratimpânica apresentaram recuperação da audição superior a 20 dB nos limiares tonais ou 20 por cento no IRF. CONCLUSÃO: Três injeções intratimpânicas de metilprednisolona aumentaram os limiares tonais e índices de reconhecimento da fala em um grupo de pacientes portadores de surdez súbita neurossensorial que não obtiveram benefício após corticoterapia oral.

Treatment in sudden sensorineural hearing loss is a contentious issue, today, oral steroids are the most common choice and considered the best treatment option, but the use of intratympanic steroids has become an attractive alternative, especially in cases when systemic therapy fails, or to avoid the side effects of the systemic use of steroids. AIM: To describe the results of intratympanic methylprednisolone in idiopathic sudden sensorineural hearing loss after failure of oral prednisolone. METHODS: In a prospective study fourteen patients with idiopathic sudden sensorineural hearing loss were treated with intratympanic methylprednisolone after failing in the treatment with systemic steroids. Pretreatment and post-treatment audiometric evaluations including pure tone average (PTA) and speech reception thresholds (SRT) were analyzed. RESULTS: Ten from 14 patients treated with intra-tympanic methylprednisolone presented with hearing recovery > 20 dB in PTA or 20 percent in SRT. CONCLUSION: Three intratympanic injections of methylprednisolone improved pure-tone average or speech discrimination scores for a subset of sudden hearing loss subjects that failed to benefit from oral steroids.

Vestibular evoked myogenic potentials: an overview / Potencial evocado miogênico vestibular: uma visão geral

The vestibular evoked myogenic potential (VEMP) test is a relatively new diagnostic tool that is in the process of being investigated in patients with specific vestibular disorders. Briefly, the VEMP is a biphasic response elicited by loud clicks or tone bursts recorded from the tonically contracted sternocleidomastoid muscle, being the only resource available to assess the function of the saccule and the lower portion of the vestibular nerve. AIM: In this review, we shall highlight the history, methods, current VEMP status, and discuss its specific application in the diagnosis of the Ménière's Syndrome.

O teste do potencial evocado miogênico vestibular (PEMV) é um instrumento diagnóstico relativamente novo e ainda em processo de validação em estudos com pacientes portadores de desordens vestibulares específicas. De forma resumida, o PEMV é uma resposta bifásica em resposta a estímulos sonoros gravados a partir de contrações do músculo esternocleidomastóideo e é o único recurso existente para avaliar a função do sáculo e da divisão inferior do nervo vestibular. OBJETIVO: Nesta revisão iremos destacar a história, método de realização, situação atual da pesquisa envolvendo o PEMV, além de discutir as suas aplicações específicas no diagnóstico da síndrome de Ménière.

Enxaqueca associada a disfunção auditivo-vestibular: [revisão] / Migraine associated with auditory-vestibular dysfunction: [review]

A associação de distúrbios da audição e equilíbrio com enxaqueca é reconhecida desde a Grécia antiga quando Aretaeus da Capadócia em 131 a.C., fez uma descrição precisa e com detalhes desta ocorrência durante uma crise de enxaqueca. Uma revisão ampla das manifestações otoneurológicas da enxaqueca é apresentada, usando as mais recentes publicações com respeito à epidemiologia, apresentação clínica, fisiopatologia, métodos diagnósticos e manejo desta síndrome. OBJETIVO: Descrever a entidade clínica "Enxaqueca associada a Disfunção Auditivo-vestibular" no intuito de ajudar médicos otorrinolaringologistas e neurologistas no diagnóstico e no manejo clínico dessa doença. COMENTÁRIOS FINAIS: Uma forte associação existe entre sintomas otoneurológicos e enxaqueca, sendo a enxaqueca associada a disfunção auditivo-vestibular a causa mais comum de vertigem episódica espontânea (não-posicional). Os sintomas podem variar bastante entre pacientes tornando um desafio diagnóstico para o otorrinolaringologista. Esta entidade geralmente se apresenta com ataques de vertigem espontâneos ou posicionais, durando de segundos a dias com sintomas de enxaqueca associados. Uma melhor elucidação da ligação entre os mecanismos vestibulares centrais e os mecanismos da enxaqueca em si, além da descoberta de defeitos em canais iônicos em algumas causas de enxaqueca, ataxia e vertigem, podem levar a um entendimento maior da fisiopatologia da enxaqueca associada a disfunção auditivo-vestibular.

The association between hearing and balance disorders with migraine is known since the times of the ancient Greeks, when Aretaeus from Cappadocia in 131 B.C, made an accurate and detailed description of this occurrence during a migraine episode. We present a broad review of migraine neurotological manifestations, using the most recent publications associated with epidemiology, clinical presentation, pathophysiology, diagnostic methods and treatment for this syndrome. AIM: to describe the clinical entity: "Migraine associated with auditory-vestibular dysfunction" in order to help otorhinolaryngologists and neurologists in the diagnosis and management of such disorder. FINAL REMARKS: There is a strong association between neurotological symptoms and migraine, and the auditory-vestibular dysfunction-associated migraine is the most common cause of spontaneous episodic vertigo (non-positional). Symptoms may vary broadly among patients, making it a diagnostic challenge to the otorhinolaryngologist. This entity usually presents with positional or spontaneous vertigo spells, lasting for seconds or days, associated with migraine symptoms. A better understanding of the relationship between central vestibular mechanisms and migraine mechanisms, besides the discovery of ionic channel disorders in some cases of migraine, ataxia and vertigo, may lead to a better understanding of migraine pathophysiology associated with audio-vestibular disorder.