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      Long latency auditory evoked potentials in children with cochlear implants: systematic review Translated title: Potenciais evocados auditivos de longa latência em crianças com implante coclear: revisão sistemática

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          Abstract

          The aim of this study was to analyze the findings on Cortical Auditory Evoked Potentials in children with cochlear implant through a systematic literature review. After formulation of research question and search of studies in four data bases with the following descriptors: electrophysiology (eletrofisiologia), cochlear implantation (implante coclear), child (criança), neuronal plasticity (plasticidade neuronal) and audiology (audiologia), were selected articles (original and complete) published between 2002 and 2013 in Brazilian Portuguese or English. A total of 208 studies were found; however, only 13 contemplated the established criteria and were further analyzed; was made data extraction for analysis of methodology and content of the studies. The results described suggest rapid changes in P1 component of Cortical Auditory Evoked Potentials in children with cochlear implants. Although there are few studies on the theme, cochlear implant has been shown to produce effective changes in central auditory path ways especially in children implanted before 3 years and 6 months of age.

          Translated abstract

          O objetivo do presente estudo foi analisar os resultados dos Potenciais Evocados Auditivos Corticais em crianças usuárias de Implante Coclear, por meio da revisão sistemática da literatura. Após formulação da pergunta da pesquisa e levantamento dos estudos em quatro bases de dados com os descritores: eletrofisiologia (electrophysiology), implante coclear (cochlear implantation), criança (child), plasticidade neuronal (neuronal plasticity) e audiologia (audiology), foram selecionados artigos (originais e completos) publicados entre 2002 e 2013 na língua portuguesa ou inglesa. Por meio disto, foram localizados 208 estudos; contudo, apenas 13 contemplaram os critérios estabelecidos e foram lidos na íntegra; foi realizada a extração de dados para análise da metodologia e conteúdo das pesquisas. Os resultados descritos sugerem rápidas modificações no componente P1 dos Potenciais Evocados Auditivos Corticais em crianças usuárias de implante coclear. Apesar dos poucos estudos sobre o tema, o implante coclear tem se mostrado capaz de gerar modificações efetivas nas vias auditivas centrais, principalmente em crianças implantadas antes dos 3 anos e 6 meses de idade.

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          Most cited references 32

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          P1 latency as a biomarker for central auditory development in children with hearing impairment.

          We used the latency of the P1 cortical auditory-evoked potential (CAEP) as a biomarker for the development of central auditory pathways in three children who received intervention through hearing aids and/or cochlear implants. Our goal was to examine the clinical feasibility of using the latency of the P1 CAEP as an objective tool to evaluate whether acoustic amplification for hearing-impaired children has provided sufficient stimulation for normal development of central auditory pathways. If clinicians have such a marker, then they can more confidently make a decision about whether to provide a child with a cochlear implant following an appropriate hearing-aid trial. Using the same marker, clinicians will also be able to monitor the maturation of central auditory pathways once electrical stimulation is initiated.
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            Central auditory maturation and behavioral outcome in children with auditory neuropathy spectrum disorder who use cochlear implants.

            We examined cortical auditory development and behavioral outcomes in children with ANSD fitted with cochlear implants (CI).
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              Auditory-evoked Potential Studies of Cortical Maturation in Normal Hearing and Implanted Children: Correlations with Changes in Structure and Speech Perception

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                codas
                CoDAS
                CoDAS
                Sociedade Brasileira de Fonoaudiologia (São Paulo )
                2317-1782
                December 2013
                : 25
                : 6
                : 595-600
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                Article
                S2317-17822013000600595
                10.1590/S2317-17822013.05000009
                24626971
                Product
                Product Information: website
                Categories
                AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
                REHABILITATION

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