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Potencial evocado auditivo de estado estável em audiologia pediátrica / Auditory steady state response in pediatric audiology
Linares, Ana Emilia; Costa Filho, Orozimbo Alves; Martinez, Maria Angelina Nardi de Souza.
  • Linares, Ana Emilia; s.af
  • Costa Filho, Orozimbo Alves; s.af
  • Martinez, Maria Angelina Nardi de Souza; s.af
Braz. j. otorhinolaryngol. (Impr.) ; 76(6): 723-728, nov.-dez. 2010. tab
Article in Portuguese | LILACS | ID: lil-569198
RESUMO
A principal questão que envolve o diagnóstico audiológico infantil é a determinação de procedimentos que configurem resultados confiáveis e objetivos, que possam ser utilizados na predição dos limiares auditivos por frequência específica.

OBJETIVO:

Correlacionar os achados do potencial evocado auditivo de estado estável (PEAEE) com outros exames em crianças com perda auditiva neurossensorial. MATERIAL E

MÉTODO:

Estudo prospectivo de coorte contemporânea com corte transversal. 23 crianças de ambos os gêneros e com idades entre 1 e 7 anos realizaram PEAEE, audiometria de reforço visual, potencial evocado auditivo de tronco encefálico (PEATE) clique e tone burst e medida do reflexo acústico para aplicação da regra de predição do limiar auditivo a partir do reflexo acústico.

RESULTADOS:

A correlação entre o PEAEE e audiometria variou de 0.70 a 0.93, para o PEATE-clique (2k e 4kHz) variou de 0.83 a 0.89, para o tone burst variou de 0.73 a 0.93. A concordância entre o PEAEE e a regra de predição do limiar auditivo foi considerada moderada.

CONCLUSÃO:

Houve correlação significativa entre o PEAEE e audiometria, assim como para o PEATE clique (2k e 4kHz) e para o PEATE tone burst. O reflexo acústico pode ser usado para acrescentar informações ao diagnóstico infantil.
ABSTRACT
The main issue regarding pediatric audiology diagnosis is determining procedures to configure reliable results which can be used to predict frequency-specific hearing thresholds.

AIM:

To investigate the correlation between auditory steady-state response (ASSR) with other tests in children with sensorineural hearing loss.

METHODS:

Prospective cross-sectional contemporary cohort study. Twenty-three children (ages 1 to 7; mean, 3 years old) were submitted to ASSR, behavioral audiometry, click audiometry brain stem response (ABR), tone burst ABR, and predicting hearing level from the acoustic reflex.

RESULTS:

the correlation between behavioral thresholds and ASSR was (0.70- 0.93), for the ABR tone burst it was (0.73 -0.93), for the ABR click it was (0.83-0.89) only at 2k and 4 kHz. The match between the ASSR and the hearing threshold prediction rule was considered moderate.

CONCLUSION:

there was a significant correlation between the ASSR and audiometry, as well as between ABR click (2k and 4 kHz) and for the ABR tone burst. The acoustic reflex can be used to add information to diagnosis in children.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Audiometry / Auditory Threshold / Evoked Potentials, Auditory / Hearing Loss, Sensorineural Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Child / Child, preschool / Female / Humans / Infant / Male Language: Portuguese Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2010 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Audiometry / Auditory Threshold / Evoked Potentials, Auditory / Hearing Loss, Sensorineural Type of study: Observational study / Prevalence study / Prognostic study / Risk factors Limits: Child / Child, preschool / Female / Humans / Infant / Male Language: Portuguese Journal: Braz. j. otorhinolaryngol. (Impr.) Journal subject: Otolaryngology Year: 2010 Type: Article