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Exploring the relationship between electrophysiological measures of the electrically evoked auditory brainstem response and speech perception outcomes post-cochlear implantation.
Eur Arch Otorhinolaryngol
January 2025
Department of Otolaryngology, China-Japan Friendship Hospital, Beijing, China.
Objectives: This study examined the relationships between electrophysiological measures of the electrically evoked auditory brainstem response (EABR) with speech perception measured in quiet after cochlear implantation (CI) to identify the ability of EABR to predict postoperative CI outcomes.
Methods: Thirty-four patients with congenital prelingual hearing loss, implanted with the same manufacturer's CI, were recruited. In each participant, the EABR was evoked at apical, middle, and basal electrode locations.
Background: Cochlear implantation is an effective method of auditory rehabilitation. Nevertheless, the results show individual variations depending on several factors.
Aim: To evaluate cochlear implantation results based on the APCEI profile (Acceptance, Perception, Comprehension, Oral Expression and Intelligibility) and audiometric results.
Objective To develop an algorithm, based on the voltage matrix, for detecting regular cochlear implant (CI) electrode position during the implantation procedure, tip fold-over or basal kinking for lateral-wall electrodes. The availability of an algorithm would be valuable in clinical routine, as incorrect positioning of the electrode array can potentially be recognized intraoperatively. Design In this retrospective study intraoperative voltage matrix and postoperative digital volume tomography of 525 CI recipients were analyzed.
View Article and Find Full Text PDFComparison of CT-like MRI sequences for preoperative planning of cochlear implantation using super-high-resolution CT as a reference.
Eur Radiol Exp
January 2025
Guilloz Imaging Department, Central Hospital, University Hospital Center of Nancy, 29 Avenue du Marechal de Lattre de Tassigny, 54000, Nancy, France.
Background: We evaluated the accuracy of magnetic resonance imaging (MRI) computed tomography (CT)-like sequences compared to normal-resolution CT (NR-CT) and super-high-resolution CT (SHR-CT) for planning of cochlear implantation.
Methods: Six cadaveric temporal bone specimens were used. 3-T MRI scans were performed using radial volumetric interpolated breath-hold (STARVIBE), pointwise-encoding time reduction with radial acquisition (PETRA), and ultrashort time of echo (UTE) sequences.
Learning to hear again with alternating cochlear frequency allocations.
Sci Rep
January 2025
Department of ENT/Audiology & School for Mental Health and NeuroScience (MHENS), Maastricht University Medical Centre, Maastricht, The Netherlands.
Traditionally, the place-pitch 'tonotopically' organized auditory neural pathway was considered to be hard-wired. Cochlear implants restore hearing by arbitrarily mapping frequency-amplitude information. This study shows that recipients, after a long period of sound deprivation, preserve a level of auditory plasticity, enabling them to swiftly and concurrently learn speech understanding with two alternating, distinct frequency maps.
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