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[Quality of life and vertigo after bilateral cochlear implantation : Questionnaires as tools for quality assurance]
T Rader1, M Haerterich2, B P Ernst1
1Klinik für Hals-Nasen-Ohren-Heilkunde, Universitätsmedizin, Johannes Gutenberg-Universität Mainz, Langenbeckstraße 1, 55131, Mainz, Deutschland.
Background:
Persistent dizziness symptoms after cochlear implantation have an impact on quality of life. In this study, the effects of bilateral cochlear implants (CI) on quality of life as well as on subjective dizziness complaints are analyzed using questionnaires, some of which have never been applied before in these patient collectives.
Objective:
In this article, questionnaires for the assessment of dizziness symptoms and quality of life are introduced in order to realize quality assurance.
Materials And Methods:
A total of 32 patients with bilateral CI were questioned regarding dizziness symptoms and quality of life. The Nijmegen Cochlear Implant Questionnaire (NCIQ) was used. In the case of reported regular dizziness, the Vertigo Handicap Questionnaire (VHQ) and the Vertigo Symptom Scale (VSS) were also assessed.
Results:
Persistent dizziness symptoms were shown in 8 of 32 patients. Quality of life was measured with the NCIQ and was improved significantly (p < 0.001) by 23.7% after the second CI. The dizziness symptoms changed slightly (VHQ -11.2%; VSS +16.4%) after the second implantation.
Conclusion:
The results show that the questionnaires are valid instruments for documenting quality of life and dizziness symptoms for quality assurance. These questionnaires may be applied as a complement or an alternative to device-based measurements of peripheral vestibular dysfunction.
