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Updated: Dec 14, 2025
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Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
Published on: August 4, 2023
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Cochlear Implant Reliability: Reporting of Device Failures
Graham O'Neill1, Neil S Tolley1
1Dept of Otolaryngology, Head and Neck Surgery, St Mary's Hospital, London, UK.
Abstract:
The aim of this study was to investigate the adequacy of the reporting of cochlear implant device failures. Data from a parallel study involving over 6300 children [1] was used to calculate the instantaneous failure rate for explantations. We found that this is comparable to what manufacturers term 'Cumulative Failure Percentage' (CFP). This finding raises concerns about the information provided by manufacturers on the reliability of their implants.
