ArticlePloS one2018
Patient specific selection of lateral wall cochlear implant electrodes based on anatomical indication ranges.
Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers, 1 of them a synthesis that pooled it.
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Who cites it
39 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Suitable Electrode Choice for Robotic-Assisted Cochlear Implant Surgery: A Systematic Literature Review of Manual Electrode Insertion Adverse Events.Frontiers in surgery · 2022Pooled it
- Stimulation-stability and preclinical bench testing of a new auditory nerve interface.Bioelectronic medicine · 2026Article
- The Role of Cochlear Anatomy in Hearing Preservation After Cochlear Implantation in Adults: A Systematic Review.Laryngoscope investigative otolaryngology · 2026Review
- Synchrotron-Based Deep Learning Network of the Inner Ear: Development and Expert Validation.The Laryngoscope · 2026Article
- The Role of Anatomy-Based Fitting in Bimodal Rehabilitation: Choosing Electrode Arrays Based on Cochlear Length.World journal of otorhinolaryngology - head and neck surgery · 2026Article
- Machine learning model for automated calculation of intracochlear positional index in cochlear implantation.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2026Article
- Prediction accuracy of cochlear implant electrode insertion using the OTOPLAN software.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025Article
- Estimation of Angular Insertion Depth of a Cochlear Implant Electrode Array: Three-Dimensional Reconstruction Versus Spiral Formulae.Clinical and experimental otorhinolaryngology · 2025Article
- Impact of cochlear detailed morphology on insertion results and intracochlear trauma of a slim pre-curved electrode array: a micro-CT study.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025Article
- Pre- and Postoperative Imaging of Cochlear Implantation in Cadaveric Specimens Using Low-Dose Photon-Counting Detector CT.AJNR. American journal of neuroradiology · 2025Article
- The Greenwood function shows close alignment with pitch perceived by cochlear implant patients with long, flexible electrode arrays and fine-structure stimulation.Frontiers in neuroscience · 2025Article
- Article
- Comparing linear and non-linear models to estimate the appropriate cochlear implant electrode array length-are current methods precise enough?European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2024Article
- Does the audiogram shape influence the intracochlear recording of Electrocochleography during and after cochlear implantation?Frontiers in neuroscience · 2024Article
- Otological Planning Software-OTOPLAN: A Narrative Literature Review.Audiology research · 2023Review
- Intra- and Interrater Reliability of CT- versus MRI-Based Cochlear Duct Length Measurement in Pediatric Cochlear Implant Candidates and Its Impact on Personalized Electrode Array Selection.Journal of personalized medicine · 2023Article
- Optimization of pharmacological interventions in the guinea pig animal model-a new approach to calculate the perilymph volume of the scala tympani.Frontiers in neuroscience · 2023Article
- Cochlear coverage with lateral wall cochlear implant electrode arrays affects post-operative speech recognition.PloS one · 2023Article
- Variations in microanatomy of the human modiolus require individualized cochlear implantation.Scientific reports · 2022Article
- CT imaging-based approaches to cochlear duct length estimation-a human temporal bone study.European radiology · 2022Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThe aim of this study was to identify anatomical indication ranges for different lateral wall cochlear implant electrodes to support surgeons in the preoperative preparation.
methods272 patients who were implanted with a FLEX20, FLEX24, FLEX28, or a custom-made device (CMD) were included in this study. The cochlear duct length (CDL) and basal cochlear diameter (length A) were measured within preoperative imaging data. The parameter A was then employed to additionally compute CDL estimates using literature approaches. Moreover, the inserted electrode length (IEL) and insertion angle (IA) were measured in postoperative CT data. By combining the preoperative measurements with the IA data, the covered cochlea length (CCL) and relative cochlear coverage (CC) were determined for each cochlea.
resultsThe measurements of the CDL show comparable results to previous studies. While CDL measurements and estimations cover similar ranges overall, severe deviations occur in individual cases. The electrode specific IEL and CCL are fairly consistent and increase with longer electrodes, but relatively wide ranges of electrode specific CC values were found due to the additional dependence on the respective CDL. Using the correlation of IEL and CCL across electrode arrays, CDL ranges for selected arrays were developed (FLEX24: 31.3-34.4, FLEX28: 36.2-40.1, FLEXSoft: 40.6-44.9).
conclusionsOur analysis shows that electrode specific CC varies due to the CDL variation. Preoperative measurement of the CDL allows for an individualized implant length selection yielding optimized stimulation and a reduced risk of intraoperative trauma. The CDL, as derived from preoperative CT imaging studies, can help the implant surgeon select the appropriate electrode array to maximize the patient's outcomes.
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