Scalar position, dislocation analysis and outcome in CI reimplantation due to device failure.

Objective Due to aging of society and increasing number of cochlear implant (CI) patients, reimplantation and its consequences are of great interest. The aim of this study is to examine the indication and influences on both morphological position of the electrode array and audiological outcome following reimplantation.

Methods: This is a retrospective analysis. We evaluated the scalar position in postoperative cone beam computed tomography (CBCT) after CI and reimplantation and examined the indication for and the audiological outcome following reimplantation.

Results Cochlear injury at first implantation increases the risk for partial insertion at reimplantation. The reimplanted patients show stable and not significantly reduced audiological results for both monosyllables and numbers comparing best fitted situation before and following reimplantation.

Conclusion Cochlear trauma and scalar dislocation at first implantation are risk factors for partial insertion in CI patients at reimplantation. Reimplantation does not improve the audiological outcome in CI patients. Therefore, the decision about reimplantation should be proved critically.

Poster-PDF A-1150.pdf

Conflict of interest

Der Erstautor gibt keinen Interessenskonflikt an.

Publication History

Article published online:
13 May 2021