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A database system for the registration of complications and failures in cochlear implant surgery applied to over 1000 implantations performed in Nijmegen, The Netherlands

Published online by Cambridge University Press:  02 October 2014

H J Theunisse ,
J J Mulder ,
R J E Pennings ,
H P M Kunst  and
E A M Mylanus
H J Theunisse*
Affiliation:
Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, and Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
J J Mulder
Affiliation:
Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, and Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
R J E Pennings
Affiliation:
Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, and Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
H P M Kunst
Affiliation:
Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, and Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
E A M Mylanus
Affiliation:
Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, Nijmegen, and Centre for Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
*
Address for correspondence: Dr H J Theunisse, Department of Otorhinolaryngology and Head and Neck Surgery, Radboud University Medical Center, PO Box 9101, 6500 HB Nijmegen, The Netherlands Fax: +31 24 354 0251 E-mail: erik.theunisse@radboudumc.nl
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Abstract

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.

Keywords

Cochlear ImplantationPostoperative ComplicationsEquipment FailureDatabase Management Systems
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 128 , Issue 11 , November 2014 , pp. 952 - 957
Copyright
Copyright © JLO (1984) Limited 2014 

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Footnotes

Professor E A M Mylanus is one of the JLO 2014 Visiting Professors

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