Objective: The intracochlear position of an electrode array may influence the outcome after cochlear implantation. The design of the electrode array can increase the risk of trauma causing penetration of the basilar membrane or shift of the electrode array into the scala vestibuli. The aim of the present study was to identify a scalar shift after implantation of two different electrode arrays developed by one manufacturer.
View Article and Find Full Text PDFCochlear Implants Int
September 2018
Objective: Within the field of cochlear implantation (CIs), the role of utilizing patient-specific cochlear anatomy for choosing the optimal implant electrode is becoming increasingly important. Unfortunately, performing detailed anatomical measurements of a cochlea using clinical imaging data is rather time consuming and hence difficult to implement into the clinical routine. In order to accelerate clinical cochlear anatomy evaluations, previously developed mathematical models can be adjusted to the patient-specific anatomy by measuring just a few overall cochlear dimensions.
View Article and Find Full Text PDFEur Arch Otorhinolaryngol
May 2018
Purpose: Patient specific selection of cochlear implants would benefit from pre-operative knowledge of cochlear length. Several methods for its measurement or estimation have been described in literature. This study focused on the achievable accuracy in clinically available imaging.
View Article and Find Full Text PDFComput Methods Biomech Biomed Engin
December 2016
Purpose: A cochlea modeling approach is presented allowing for a user defined degree of geometry simplification which automatically adjusts to the patient specific anatomy. Model generation can be performed in a straightforward manner due to error estimation prior to the actual generation, thus minimizing modeling time. Therefore, the presented technique is well suited for a wide range of applications including finite element analyses where geometrical simplifications are often inevitable.
View Article and Find Full Text PDFInt J Comput Assist Radiol Surg
October 2016
Purpose: Cross-sectional visualization of anatomical structures in DICOM viewers is usually presented in parallel slices. For visualizing the inner ear, this concept is unfavourable due to the spiral shape of the cochlea. Radial slicing through its central axis (known as midmodiolar view) is advantageous.
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