Bilateral cochlear implantation or bimodal listening in the paediatric population: Retrospective analysis of decisive criteria

International Journal of Pediatric Otorhinolaryngology
Cleo M C DhondtIngeborg J M Dhooge

Abstract

In children with bilateral severe to profound hearing loss, bilateral hearing can be achieved by either bimodal stimulation (CIHA) or bilateral cochlear implantation (BICI). The aim of this study was to analyse the audiologic test protocol that is currently applied to make decisions regarding the bilateral hearing modality in the paediatric population. Pre- and postoperative audiologic test results of 21 CIHA, 19 sequential BICI and 12 simultaneous BICI children were examined retrospectively. Deciding between either simultaneous BICI or unilateral implantation was mainly based on the infant's preoperative Auditory Brainstem Response thresholds. Evolution from CIHA to sequential BICI was mainly based on the audiometric test results in the contralateral (hearing aid) ear after unilateral cochlear implantation. Preoperative audiometric thresholds in the hearing aid ear were significantly better in CIHA versus sequential BICI children (p < 0.001 and p = 0.001 in unaided and aided condition, respectively). Decisive values obtained in the hearing aid ear in favour of BICI were: An average hearing threshold measured at 0.5, 1, 2 and 4 kHz of at least 93 dB HL without, and at least 52 dB HL with hearing aid together with a 40% aided sp...Continue Reading

Citations

Jan 9, 2019·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Kristen RakRudolf Hagen
Apr 11, 2020·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Zhiqiang GaoZhi Shu
Sep 14, 2019·Journal of Speech, Language, and Hearing Research : JSLHR·Lisa S DavidsonJill B Firszt
Dec 2, 2020·American Journal of Audiology·Kaylene KingLisa R Park
Mar 27, 2021·American Journal of Audiology·Lisa R ParkKevin D Brown

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