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Ano: 2012  Vol. 16   Num. 3  - Jul/Set - (14º)
DOI: 10.7162/S1809-97772012000300014
Seção: Review Article
Versão em PDF PDF Português Versão em PDF English PDF Texto Text in English
Prelingual deafness: Benefits from cochlear implants versus conventional hearing aids
Aline Gomes Bittencourt1, Ana Adelina Giantomassi Della Torre1, Ricardo Ferreira Bento2, Robinson Koji Tsuji3, Rubens de Brito4
Key words:
cochlear implants, hearing loss, sensorineural, deafness, hearing aids.

Introduction: The majority of patients with hearing loss, including those with severe hearing loss, benefits from the use of hearing aids. The cochlear implant is believed to achieve better results in a child with hearing loss in cases where the severity of disability renders hearing aids incapable of providing adequate sound information, as they require sufficient cochlear reserve so that acoustic detention occurs. Objective: To assess if cochlear implants provide more benefit than conventional hearing aids in prelingually deaf patients. Summary of the findings: The study was a systematic review of scientific papers selected by a search of the SciELO, Cochrane, MEDLINE, and LILACS-BIREME databases. Among the 2169 articles found, 12 studies proved relevant to the issue and presented an evidence strength rating of B. No publications rated evidence strength A. Seven of the studies analyzed were prospective cohorts and 5 were cross-sectional studies. Conclusion: Based on several studies, cochlear implants were demonstrated to be the best current alternative for bilateral severe or profound hearing loss, achieving better results in speech perception and development in prelingual children when compared to conventional hearing aids.

This article was originally written not in Portuguese.


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