Submit to JCM Review for JCM Propose a Special Issue

Journal Browser

Challenges and Opportunities in Application of Cochlear Implantation

Print Special Issue Flyer
Special Issue Editors
Special Issue Information
Keywords
Related Special Issue
Published Papers

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Otolaryngology".

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 25625

Printed Edition Available!
A printed edition of this Special Issue is available here.

Special issue Challenges and Opportunities in Application of Cochlear Implantation book cover image

Share This Special Issue

Special Issue Editor

Prof. Dr. Nicolas Guevara

E-Mail
Guest Editor

Institut Universitaire de la Face et du Cou, Centre Hospitalier Universitaire de Nice, Université Côte d’Azur, 06100 Nice, France
Interests: cochlear implant; otology; middle ear surgery; ear endoscopic surgery; hearing loss; auditory implants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Cochlear implants are a real medical revolution of the twentieth century. This technology, commonly used in clinical practice since the 1990s, has made it possible to restore useful hearing to people who have become disabled by severe to profound deafness. In addition, it has transformed the lives of children born deaf, allowing them to integrate into the mainstream education system.

For this Special Issue, it is my pleasure to invite you and members of your research group to submit studies focusing on the latest challenges in indications (SSD, electroacoustic stimulation), surgical procedures including robotic and endoscopic approaches, post-operative imaging and based-anatomy fitting, electrophysiology application as well as auditory rehabilitation, and prognosis factors. Authors are welcome to cover other specific topics that have not been mentioned but fall within the theme of this Special Issue.

Prof. Dr. Nicolas Guevara
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Clinical Medicine is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

sensorineural hearing loss
tinnitus
cochlea/surgery
cochlear implant
robotics
imaging
auditory training

Related Special Issue

Challenges and Opportunities in Application of Cochlear Implantation, 2nd Edition in Journal of Clinical Medicine (2 articles)

Published Papers (13 papers)

Download All Papers

Research

Jump to: Other

12 pages, 1876 KiB

Open AccessArticle

Cochlear Implant Stimulation Parameters Play a Key Role in Reducing Facial Nerve Stimulation

by Lutz Gärtner, Bradford C. Backus, Nicolas Le Goff, Anika Morgenstern, Thomas Lenarz and Andreas Büchner

J. Clin. Med. 2023, 12(19), 6194; https://doi.org/10.3390/jcm12196194 - 25 Sep 2023

Cited by 1 | Viewed by 978

Abstract

A percentage (i.e., 5.6%) of Cochlear Implant (CI) users reportedly experience unwanted facial nerve stimulation (FNS). For some, the effort to control this problem results in changing stimulation parameters, thereby reducing their hearing performance. For others, the only viable solution is to deactivate the CI completely. A growing body of evidence in the form of case reports suggests that undesired FNS can be effectively addressed through re-implantation with an Oticon Medical (OM) Neuro-Zti implant. However, the root of this benefit is still unknown: is it due to surgical adjustments, such as varied array geometries and/or positioning, or does it stem from differences in stimulation parameters and/or grounding? The OM device exhibits two distinct features: (1) unique stimulation parameters, including anodic leading pulses and loudness controlled by pulse duration—not current—resulting in lower overall current amplitudes; and (2) unconventional grounding, including both passive (capacitive) discharge, which creates a pseudo-monophasic pulse shape, and a ‘distributed-all-polar’ (DAP) grounding scheme, which is thought to reduce current spread. Unfortunately, case reports alone cannot distinguish between surgical factors and these implant-related ones. In this paper, we present a novel follow-up study of two CI subjects who previously experienced FNS before re-implantation with Neuro-Zti implants. We used the Oticon Medical Research Platform (OMRP) to stimulate a single electrode in each subject in two ways: (1) with traditional monopolar biphasic cathodic-first pulses, and (2) with distinct OM clinical stimulation. We progressively increased the stimulation intensity until FNS occurred or the sound became excessively loud. Non-auditory/FNS sensations were observed with the traditional stimulation but not with the OM clinical one. This provides the first direct evidence demonstrating that stimulation parameters and/or grounding—not surgical factors—play a key role in mitigating FNS. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

10 pages, 819 KiB

Open AccessArticle

Evaluation of the Cognitive Function of Adults with Severe Hearing Loss Pre- and Post-Cochlear Implantation Using Verbal Fluency Testing

by Manon Baranger, Valeria Manera, Chloé Sérignac, Alexandre Derreumaux, Elisa Cancian, Clair Vandersteen, Auriane Gros and Nicolas Guevara

J. Clin. Med. 2023, 12(11), 3792; https://doi.org/10.3390/jcm12113792 - 31 May 2023

Cited by 1 | Viewed by 1156

Abstract

Hearing loss is a major public health problem with significant evidence correlating it with cognitive performance. Verbal fluency tests are commonly used to assess lexical access. They provide a great deal of information about a subject’s cognitive function. The aim of our study was to evaluate phonemic and semantic lexical access abilities in adults with bilateral severe to profound hearing loss and then to re-evaluate a cohort after cochlear implantation. 103 adult subjects underwent phonemic and semantic fluency tests during a cochlear implant candidacy evaluation. Of the total 103 subjects, 43 subjects underwent the same tests at 3 months post-implantation. Our results showed superior performance in phonemic fluency compared to semantic fluency in subjects prior to implantation. Phonemic fluency was positively correlated with semantic fluency. Similarly, individuals with congenital deafness had better semantic lexical access than individuals with acquired deafness. Results at 3 months post-implantation showed an improvement in phonemic fluency. No correlation was found between the evolution of pre- and post-implant fluency and the auditory gain of the cochlear implant, and we found no significant difference between congenital and acquired deafness. Our study shows an improvement in global cognitive function after cochlear implantation without differentiation of the phonemic-semantic pathway. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

10 pages, 1348 KiB

Open AccessArticle

The Effects of Multi-Mode Monophasic Stimulation with Capacitive Discharge on the Facial Nerve Stimulation Reduction in Young Children with Cochlear Implants: Intraoperative Recordings

by Fabiana Danieli, Miguel Angelo Hyppolito, Raabid Hussain, Michel Hoen, Chadlia Karoui and Ana Cláudia Mirândola Barbosa Reis

J. Clin. Med. 2023, 12(2), 534; https://doi.org/10.3390/jcm12020534 - 9 Jan 2023

Cited by 1 | Viewed by 1567

Abstract

Facial nerve stimulation (FNS) is a potential complication which may affect the auditory performance of children with cochlear implants (CIs). We carried out an exploratory prospective observational study to investigate the effects of the electrical stimulation pattern on FNS reduction in young children with CI. Ten ears of seven prelingually deafened children with ages up to 6 years old who undergone a unilateral or bilateral CI surgery were included in this study. Electromyographic (EMG) action potentials from orbicularis oculi muscle were recorded using monopolar biphasic stimulation (ST1) and multi-mode monophasic stimulation with capacitive discharge (ST2). Presence of EMG responses, facial nerve stimulation thresholds (T-FNS) and EMG amplitudes were compared between ST1 and ST2. Intra-cochlear electrodes placement, cochlear-nerve and electrode-nerve distances were also estimated to investigate their effects on EMG responses. The use of ST2 significantly reduced the presence of intraoperative EMG responses compared to ST1. Higher stimulation levels were required to elicit FNS with ST2, with smaller amplitudes, compared to ST1. No and weak correlation was observed between cochlea-nerve and electrode-nerve distances and EMG responses, respectively. ST2 may reduce FNS in young children with CI. Differently from the electrical stimulation pattern, the cochlea-nerve and electrode-nerve distances seem to have limited effects on FNS in this population. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

12 pages, 4177 KiB

Open AccessArticle

Anatomical Variations of the Human Cochlea Using an Image Analysis Tool

by Raabid Hussain, Attila Frater, Roger Calixto, Chadlia Karoui, Jan Margeta, Zihao Wang, Michel Hoen, Herve Delingette, François Patou, Charles Raffaelli, Clair Vandersteen and Nicolas Guevara

J. Clin. Med. 2023, 12(2), 509; https://doi.org/10.3390/jcm12020509 - 8 Jan 2023

Cited by 3 | Viewed by 1987

Abstract

Understanding cochlear anatomy is crucial for developing less traumatic electrode arrays and insertion guidance for cochlear implantation. The human cochlea shows considerable variability in size and morphology. This study analyses 1000+ clinical temporal bone CT images using a web-based image analysis tool. Cochlear size and shape parameters were obtained to determine population statistics and perform regression and correlation analysis. The analysis revealed that cochlear morphology follows Gaussian distribution, while cochlear dimensions A and B are not well-correlated to each other. Additionally, dimension B is more correlated to duct lengths, the wrapping factor and volume than dimension A. The scala tympani size varies considerably among the population, with the size generally decreasing along insertion depth with dimensional jumps through the trajectory. The mean scala tympani radius was 0.32 mm near the 720° insertion angle. Inter-individual variability was four times that of intra-individual variation. On average, the dimensions of both ears are similar. However, statistically significant differences in clinical dimensions were observed between ears of the same patient, suggesting that size and shape are not the same. Harnessing deep learning-based, automated image analysis tools, our results yielded important insights into cochlear morphology and implant development, helping to reduce insertion trauma and preserving residual hearing. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

13 pages, 4988 KiB

Open AccessArticle

Robot-Assisted Electrode Insertion in Cochlear Implantation Controlled by Intraoperative Electrocochleography—A Pilot Study

by Wojciech Gawęcki, Andrzej Balcerowiak, Paulina Podlawska, Patrycja Borowska, Renata Gibasiewicz, Witold Szyfter and Małgorzata Wierzbicka

J. Clin. Med. 2022, 11(23), 7045; https://doi.org/10.3390/jcm11237045 - 29 Nov 2022

Cited by 6 | Viewed by 2040

Abstract

Robotics in otology has been developing in many directions for more than two decades. Current clinical trials focus on more accurate stapes surgery, minimally invasive access to the cochlea and less traumatic insertion of cochlear implant (CI) electrode arrays. In this study we evaluated the use of the RobOtol^® (Collin, Bagneux, France) otologic robot to insert CI electrodes into the inner ear with intraoperative ECochG analysis. This prospective, pilot study included two adult patients implanted with Advanced Bionics (Westinghouse PI, CA, USA) cochlear implant, with HiFocus™ Mid-Scala electrode array. The standard surgical approach was used. For both subjects, who had residual hearing in the implanted ear, intraoperative and postoperative ECochG was performed with the AIM^TM system. The surgeries were uneventful. A credible ECochG response was obtained after complete electrode insertion in both cases. Preoperative BC thresholds compared to intraoperative estimated ECochG thresholds and 2-day postoperative BC thresholds had similar values at frequencies where all thresholds were measurable. The results of the ECochG performed one month after the surgery showed that in both patients the hearing residues were preserved for the selected frequencies. The RobOtol^® surgical robot allows for the correct, safe and gentle insertion of the cochlear implant electrode inside the cochlea. The use of electrocochleography measurements during robotic cochlear implantation offers an additional opportunity to evaluate and modify the electrode array insertion on an ongoing basis, which may contribute to the preservation of residual hearing. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

10 pages, 1234 KiB

Open AccessArticle

Development of Sound Localization in Infants and Young Children with Cochlear Implants

by Filip Asp, Eva Karltorp and Erik Berninger

J. Clin. Med. 2022, 11(22), 6758; https://doi.org/10.3390/jcm11226758 - 15 Nov 2022

Cited by 1 | Viewed by 1641

Abstract

Cochlear implantation as a treatment for severe-to-profound hearing loss allows children to develop hearing, speech, and language in many cases. However, cochlear implants are generally provided beyond the infant period and outcomes are assessed after years of implant use, making comparison with normal development difficult. The aim was to study whether the rate of improvement of horizontal localization accuracy in children with bilateral implants is similar to children with normal hearing. A convenience sample of 20 children with a median age at simultaneous bilateral implantation = 0.58 years (0.42–2.3 years) participated in this cohort study. Longitudinal follow-up of sound localization accuracy for an average of ≈1 year generated 42 observations at a mean age = 1.5 years (0.58–3.6 years). The rate of development was compared to historical control groups including children with normal hearing and with relatively late bilateral implantation (≈4 years of age). There was a significant main effect of time with bilateral implants on localization accuracy (slope = 0.21/year, R² = 0.25, F = 13.6, p < 0.001, n = 42). No differences between slopes (F = 0.30, p = 0.58) or correlation coefficients (Cohen’s q = 0.28, p = 0.45) existed when comparing children with implants and normal hearing (slope = 0.16/year since birth, p = 0.015, n = 12). The rate of development was identical to children implanted late. Results suggest that early bilateral implantation in children with severe-to-profound hearing loss allows development of sound localization at a similar age to children with normal hearing. Similar rates in children with early and late implantation and normal hearing suggest an intrinsic mechanism for the development of horizontal sound localization abilities. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

21 pages, 7877 KiB

Open AccessArticle

A Web-Based Automated Image Processing Research Platform for Cochlear Implantation-Related Studies

by Jan Margeta, Raabid Hussain, Paula López Diez, Anika Morgenstern, Thomas Demarcy, Zihao Wang, Dan Gnansia, Octavio Martinez Manzanera, Clair Vandersteen, Hervé Delingette, Andreas Buechner, Thomas Lenarz, François Patou and Nicolas Guevara

J. Clin. Med. 2022, 11(22), 6640; https://doi.org/10.3390/jcm11226640 - 9 Nov 2022

Cited by 13 | Viewed by 3236

Abstract

The robust delineation of the cochlea and its inner structures combined with the detection of the electrode of a cochlear implant within these structures is essential for envisaging a safer, more individualized, routine image-guided cochlear implant therapy. We present Nautilus—a web-based research platform for automated pre- and post-implantation cochlear analysis. Nautilus delineates cochlear structures from pre-operative clinical CT images by combining deep learning and Bayesian inference approaches. It enables the extraction of electrode locations from a post-operative CT image using convolutional neural networks and geometrical inference. By fusing pre- and post-operative images, Nautilus is able to provide a set of personalized pre- and post-operative metrics that can serve the exploration of clinically relevant questions in cochlear implantation therapy. In addition, Nautilus embeds a self-assessment module providing a confidence rating on the outputs of its pipeline. We present a detailed accuracy and robustness analyses of the tool on a carefully designed dataset. The results of these analyses provide legitimate grounds for envisaging the implementation of image-guided cochlear implant practices into routine clinical workflows. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

15 pages, 1850 KiB

Open AccessArticle

Cochlear Implantation in Obliterated Cochlea: A Retrospective Analysis and Comparison between the IES Stiff Custom-Made Device and the Split-Array and Regular Electrodes

by Julia Anna Christine Hoffmann, Athanasia Warnecke, Max Eike Timm, Eugen Kludt, Nils Kristian Prenzler, Lutz Gärtner, Thomas Lenarz and Rolf Benedikt Salcher

J. Clin. Med. 2022, 11(20), 6090; https://doi.org/10.3390/jcm11206090 - 16 Oct 2022

Cited by 2 | Viewed by 1721

Abstract

Anatomical malformations, obliterations of the cochlea, or re-implantations pose particular challenges in cochlear implantation. Treatment methods rely on radiological and intraoperative findings and include incomplete insertion, the implantation of a double array, and radical cochleostomy. In addition, a stiff electrode array, e.g., the IE stiff (IES) custom-made device (CMD, MED-EL), was prescribed individually for those special cases and pre-inserted prior to facilitate cochlear implantation in challenging cases. Data on outcomes after implantation in obliterated cochleae are usually based on individual case reports since standardised procedures are lacking. A retrospective analysis was conducted to analyse our cases on obliterated cochleae treated with MED-EL devices in order to allow the different cases to be compared. Impedances and speech perception data of patients treated with the IES CMD and the double array were retrospectively compared to patients treated with a STANDARD or FLEX electrode array (the REGULAR group). Patients with a Split-Array CMD had a poor speech perception when compared to patients treated with the IES CMD device. Thus, the IES CMD can successfully be used in patients with obliterated cochleae who would otherwise be non-users, candidates for a Split-Array CMD, or candidates for partial insertion with insufficient cochlear coverage. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

19 pages, 2257 KiB

Open AccessArticle

Effect of Sound Coding Strategies on Music Perception with a Cochlear Implant

by Gaëlle Leterme, Caroline Guigou, Geoffrey Guenser, Emmanuel Bigand and Alexis Bozorg Grayeli

J. Clin. Med. 2022, 11(15), 4425; https://doi.org/10.3390/jcm11154425 - 29 Jul 2022

Viewed by 1391

Abstract

The goal of this study was to evaluate the music perception of cochlear implantees with two different sound processing strategies. Methods: Twenty-one patients with unilateral or bilateral cochlear implants (Oticon Medical^®) were included. A music trial evaluated emotions (sad versus happy based on tempo and/or minor versus major modes) with three tests of increasing difficulty. This was followed by a test evaluating the perception of musical dissonances (marked out of 10). A novel sound processing strategy reducing spectral distortions (CrystalisXDP, Oticon Medical) was compared to the standard strategy (main peak interleaved sampling). Each strategy was used one week before the music trial. Results: Total music score was higher with CrystalisXDP than with the standard strategy. Nine patients (21%) categorized music above the random level (>5) on test 3 only based on mode with either of the strategies. In this group, CrystalisXDP improved the performances. For dissonance detection, 17 patients (40%) scored above random level with either of the strategies. In this group, CrystalisXDP did not improve the performances. Conclusions: CrystalisXDP, which enhances spectral cues, seemed to improve the categorization of happy versus sad music. Spectral cues could participate in musical emotions in cochlear implantees and improve the quality of musical perception. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

8 pages, 679 KiB

Open AccessArticle

Audiological Outcomes and Associated Factors after Pediatric Cochlear Reimplantation

by Fabian Blanc, Catherine Blanchet, Marielle Sicard, Fanny Merklen, Frederic Venail and Michel Mondain

J. Clin. Med. 2022, 11(11), 3148; https://doi.org/10.3390/jcm11113148 - 1 Jun 2022

Cited by 2 | Viewed by 1332

Abstract

Cochlear implants are the most common and successful sensory neuroprosthetic devices. However, reimplantation can be required for medical reasons, device failure, or technological upgrading. Resolving the problem driving the intervention and offering stable or better audiological results are the main challenges. We aimed to analyze the success rate of this intervention and to identify factors influencing speech perception recovery after reimplantation in the pediatric population. We retrospectively collected the causes and the outcomes of 67 consecutive reimplantations in one cochlear implant center over 30 years. Reimplantation resolved the cause without recurrence for 94% of patients. The etiology of deafness, time since implantation, indication of reimplantation, sex, and age did not influence word discrimination test scores in silence, 3 years after surgery. However, adherence to a speech rehabilitation program was statistically associated with gain in perception scores: +8.9% [−2.2; +31.0%] versus −19.0% [−47.5; −7.6%] if no or suboptimal rehabilitation was followed (p = 0.0037). Cochlear reimplantation in children is efficient and is associated with predictable improvement in speech perception, 3 years after intervention. However, good adherence to speech rehabilitation program is necessary and should be discussed with the patient and parents, especially for the indication of reimplantation for technological upgrading. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

10 pages, 942 KiB

Open AccessArticle

Ecological Momentary Assessment to Obtain Signal Processing Technology Preference in Cochlear Implant Users

by Matthias Hey, Adam A. Hersbach, Thomas Hocke, Stefan J. Mauger, Britta Böhnke and Alexander Mewes

J. Clin. Med. 2022, 11(10), 2941; https://doi.org/10.3390/jcm11102941 - 23 May 2022

Viewed by 1748

Abstract

Background: To assess the performance of cochlear implant users, speech comprehension benefits are generally measured in controlled sound room environments of the laboratory. For field-based assessment of preference, questionnaires are generally used. Since questionnaires are typically administered at the end of an experimental period, they can be inaccurate due to retrospective recall. An alternative known as ecological momentary assessment (EMA) has begun to be used for clinical research. The objective of this study was to determine the feasibility of using EMA to obtain in-the-moment responses from cochlear implant users describing their technology preference in specific acoustic listening situations. Methods: Over a two-week period, eleven adult cochlear implant users compared two listening programs containing different sound processing technologies during everyday take-home use. Their task was to compare and vote for their preferred program. Results: A total of 205 votes were collected from acoustic environments that were classified into six listening scenes. The analysis yielded different patterns of voting among the subjects. Two subjects had a consistent preference for one sound processing technology across all acoustic scenes, three subjects changed their preference based on the acoustic scene, and six subjects had no conclusive preference for either technology. Conclusion: Results show that EMA is suitable for quantifying real-world self-reported preference, showing inter-subject variability in different listening environments. However, there is uncertainty that patients will not provide sufficient spontaneous feedback. One improvement for future research is a participant forced prompt to improve response rates. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

14 pages, 1590 KiB

Open AccessArticle

Effect of Serious Gaming on Speech-in-Noise Intelligibility in Adult Cochlear Implantees: A Randomized Controlled Study

by Pierre Reynard, Virginie Attina, Samar Idriss, Ruben Hermann, Claire Barilly, Evelyne Veuillet, Charles-Alexandre Joly and Hung Thai-Van

J. Clin. Med. 2022, 11(10), 2880; https://doi.org/10.3390/jcm11102880 - 19 May 2022

Cited by 1 | Viewed by 1902

Abstract

Listening in noise remains challenging for adults with cochlear implants (CI) even after prolonged experience. Personalized auditory training (AT) programs can be proposed to improve specific auditory skills in adults with CI. The objective of this study was to assess serious gaming as a rehabilitation tool to improve speech-in-noise intelligibility in adult CI users. Thirty subjects with bilateral profound hearing loss and at least 9 months of CI experience were randomized to participate in a 5-week serious game-based AT program (n = 15) or a control group (n = 15). All participants were tested at enrolment and at 5 weeks using the sentence recognition-in-noise matrix test to measure the signal-to-noise ratio (SNR) allowing 70% of speech-in-noise understanding (70% speech reception threshold, SRT70). Thirteen subjects completed the AT program and nine of them were re-tested 5 weeks later. The mean SRT70 improved from 15.5 dB to 11.5 dB SNR after 5 weeks of AT (p < 0.001). No significant change in SRT70 was observed in the control group. In the study group, the magnitude of SRT70 improvement was not correlated to the total number of AT hours. A large inter-patient variability was observed for speech-in-noise intelligibility measured once the AT program was completed and at re-test. The results suggest that serious game-based AT may improve speech-in-noise intelligibility in adult CI users. Potential sources of inter-patient variability are discussed. Serious gaming may be considered as a complementary training approach for improving CI outcomes in adults. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

Other

Jump to: Research

18 pages, 446 KiB

Open AccessSystematic Review

Short- and Long-Term Effect of Cochlear Implantation on Disabling Tinnitus in Single-Sided Deafness Patients: A Systematic Review

by Samar A. Idriss, Pierre Reynard, Mathieu Marx, Albane Mainguy, Charles-Alexandre Joly, Eugen Constant Ionescu, Kelly K. S. Assouly and Hung Thai-Van

J. Clin. Med. 2022, 11(19), 5664; https://doi.org/10.3390/jcm11195664 - 26 Sep 2022

Cited by 4 | Viewed by 2222

Abstract

Patients with single-sided deafness can experience an ipsilateral disabling tinnitus that has a major impact on individuals’ social communication and quality of life. Cochlear implants appear to be superior to conventional treatments to alleviate tinnitus in single-sided deafness. We conducted a systematic review to evaluate the effectiveness of cochlear implants in single-sided deafness with disabling tinnitus when conventional treatments fail to alleviate tinnitus (PROSPERO ID: CRD42022353292). All published studies in PubMed/MEDLINE and SCOPUS databases until December 2021 were included. A total of 474 records were retrieved, 31 studies were included and were divided into two categories according to whether tinnitus was assessed as a primary complaint or not. In all studies, cochlear implantation, evaluated using subjective validated tools, succeeded in reducing tinnitus significantly. Objective evaluation tools were less likely to be used but showed similar results. A short-(3 months) and long-(up to 72 months) term tinnitus suppression was reported. When the cochlear implant is disactivated, complete residual tinnitus inhibition was reported to persist up to 24 h. The results followed a similar pattern in studies where tinnitus was assesed as a primary complaint or not. In conclusion, the present review confirmed the effectiveness of cochlear implantation in sustainably reducing disabling tinnitus in single-sided deafness patients. Full article

(This article belongs to the Special Issue Challenges and Opportunities in Application of Cochlear Implantation)

► Show Figures

Figure 1

Journal Menu

Journal Browser

Challenges and Opportunities in Application of Cochlear Implantation

Share This Special Issue

Special Issue Editor

Special Issue Information

Keywords

Related Special Issue

Published Papers (13 papers)

Research

Other

Further Information

Guidelines

MDPI Initiatives

Follow MDPI