No abstract

RESUMO Objetivo Verificar o uso do Sistema de Frequência Modulada (FM) e o benefício deste dispositivo em usuários de implante coclear. Método Análise de prontuários dos 113 usuários de Implante Coclear (IC), adaptados com kits de Sistema FM, entre setembro de 2013 e 2015, após publicação da Portaria 1.274 de 25/6/2013, referentes aos resultados dos testes de percepção de fala (TPF) e dos questionários Listening Inventory For Education – Revised (LIFE-R) e Classroom Participation Questionnaire (CPQ). Resultados O uso do Sistema FM em sala de aula foi efetivo por 47,15% dos pacientes, enquanto 21,42% não o utilizaram. Não houve correlação entre o uso do Sistema FM e a faixa etária dos pacientes. Os resultados nos TPF no ruído foram estatisticamente melhores com o uso do FM. Em relação aos questionários, a pontuação obtida na situação “após uso do Sistema FM”, no questionário LIFE-R, foi estatisticamente melhor para o item “situações de escuta em sala de aula” e, no questionário CPQ, para os itens “compreensão dos professores e aspectos positivos”, quando comparada a da situação “sem uso do Sistema FM”. Conclusão Os pacientes beneficiados com a concessão do Sistema FM fizeram uso do dispositivo em sala de aula e mostraram melhora tanto na percepção da fala no ruído quanto na impressão subjetiva da compreensão da fala do professor em sala de aula, após o uso do Sistema FM.

During the first year of CI use, the electrical stimulation provided by the intracochlear electrodes did not cause significant changes to ECAP characteristics, except for an increase in N1 peak amplitude.

Introduction: Cochlear Implant (CI) benefits given to children in the first years of usage have been thoroughly described in literature. Nonetheless, studies reporting the results after the device has been long used are scarce. Objective: Review the available evidence in literature to answer the query: "Did Cochlear Implant effectively contribute to develop the communication abilities in children and young adults who grew up with this device?Method: To answer the suggested query, a systematic literature review was performed. Several electronic databases and congress records have been selected to find the evidence regarding the long-term CI results. The likely significant titles to answer the objective of the systematic review were retrieved and reviewed by using a data analysis protocol. For every article encompassed in the present systematic review, short notes were made on a filing card as well as the classification, according to evidence level and degree of recommendation. Data synthesis: Fifteen studies fulfilled the requirements and were included in the systematic review. The achieved results showed that the first generation of implanted children reached levels of linguistic and academic proficiency similar to normal hearing individuals at the same age. Final Comments: CI effectively contributed to develop the functional communication abilities in children and young adults who grew up with this electronic device.

The benefits of cochlear implants (CI) for communication skills are obtained over the years. There are but a few studies regarding the long-term outcomes in postlingual deaf children who grew up using the electronic device. Aim:To assess the functional results in a group of postlingual children, 10 years after using a CI. Methods:Ten postlingual deaf children, implanted before 18 years of age, participated in this study. We assessed: sentence recognition and speech intelligibility. We documented: device use and function and the patient's academic/occupational status. Study design: series. Results:The mean scores were 73% for sentence recognition in silence and 40% in noise. The average write-down intelligibility score was 92% and the average rating-scale intelligibility score was 4.15. There were no cases of device failure. Regarding educational/vocational status, three subjects graduated from the University. Five quit education after completing high school. Eight subjects had a professional activity. Conclusion:This study showed that cochlear implantation is a safe and reliable procedure. The postlingual profoundly hearing-impaired children after 10 years of CI use developed satisfactory levels regarding speech perception and intelligibility, and completed at least high school and were inserted in the labor market. Clinical Trials Registry: NCT01400178. Braz J Otorhinolaryngol. 2012;78(2):103-10. ORIGINAL ARTICLE BJORL

In children with cochlear implant (CI), the recording of the electrically evoked compound action potential (ECAP) of the auditory nerve represents an option to assess changes in auditory nerve responses and the interaction between the electrode bundle and the neural tissue over time. Aim: To study ECAP in children during the first year of CI use. Materials and methods: The ECAP characteristics have been analyzed in 13 children implanted younger than three years of age. Series study. Results: During the first year of CI use there was a significant statistical raise in the N1 peak amplitude, in basal electrodes, between the second and third return visits. There were not any significant differences obtained for N1 peak, latency, slope, p-NRT or recovery time, in the return visits. Conclusion: During the first year of CI use, the electrical stimulation provided by the intracochlear electrodes did not cause significant changes to ECAP characteristics, except for an increase in N1 peak amplitude.

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The use of the CR220 provided successful records for impedance telemetry and automatic neural response telemetry.