Download 13th International Conference on Cochlear Implants and Other

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Cochlear implantation surgery - what are the risk factors for postoperative complications?
Kanaan N. , Lesinski-Schiedat A. , Lenarz T.
Hannover Medical School, Clinic for Laryngology, Rhinology and Otology, Hannover, Germany
Cochlear implant surgery provides great benefit in the treatment of patients with severe sensorineural hearing
loss and deafness with a comparably low complication rate. The handling and prevention of postoperative
complications plays an important role in this matter. It is important to understand the significant pre- and
postoperative conditions that play a role in the development of postoperative complication.
As a cochlear implant center with more than 6,000 cochlear implantations since 1985 we have a large database
at hand for the analysis of cochlear implant related treatment courses. In this study a retrospective database
research was performed on all cochlear implantations between 2006 to 2010. We evaluated the patients history,
possible risk factors like age, lifestyle habits (smoking, weight), pre-existing conditions (i.e. diabetes,
cardiovascular diseases) These data were related to postoperative complications such as swellings, wound
healing disorders, otitis and also reimplantation due to infections or technical failures.
To further reduce complication rates and provide safer surgery for a large variety of patients, it is essential to
understand causative and predictive risk factors. A promising approach in this matter will be the preoperative
classification of patients with risk scores into well-defined groups that provide orientation for the further
perioperative and postoperative treatment.