A database system for the registration of complications and failures in cochlear implant surgery applied to over 1000 implantations performed in Nijmegen, The Netherlands
SourceJournal of Laryngology and Otology, 128, 11, (2014), pp. 952-7
Article / Letter to editor
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Journal of Laryngology and Otology
SubjectRadboudumc 0: Other Research DCMN: Donders Center for Medical Neuroscience; Radboudumc 12: Sensory disorders DCMN: Donders Center for Medical Neuroscience; Radboudumc 12: Sensory disorders RIHS: Radboud Institute for Health Sciences
OBJECTIVE: To create a system for the uniform registration and classification of complications and failures in cochlear implant surgery, and apply it to all the patients who underwent implantation in our clinic. METHOD: The definition of a medical complication was established, and data for all cochlear implantations performed between 1987 and 2012 were entered into a custom-made database system. RESULTS: One or more medical complications were registered in 19.0 per cent of 1003 cochlear implantations. The incidence of 'hard failure' was 2.3 per cent. Findings revealed a decrease in device failures over the years; the rate of medical complications remained constant. CONCLUSION: Our database system, which is available free of charge, enables fast and accurate data entry. There were a relatively high number of (minor) complications in our series, but comparison with the relevant literature is difficult. This emphasises the need for a uniform definition of 'complication' as it relates to cochlear implant surgery, and an appropriate classification system for such complications.
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