Cochlear Implants International

BACKGROUND: Despite the proven audiological benefits of Percutaneous Bone Anchored Hearing Aids (BAHAs) in paediatric patients with conductive or mixed hearing loss, their adoption has been limited due to concerns over implant failure and associated complications. This paper conducts a systematic review and meta-analysis to assess the prevalence of implant failure in paediatric populations, combined with a case series from our tertiary referral centre. METHODS: A comprehensive literature search identified 562 articles, from which 34 were included in the review, covering 1599 implants in 1285 patients...

In a unique exploration of narrative development among Tamil-speaking children, this study delves into the intricacies of linguistic expression, explicitly comparing the microstructure of narratives in two distinct groups: those with hearing differences (HD) and those with normal hearing. A total of 30 children were included in the study, with 15 children in each group, matched for language age between 3-5 years on standard language tests. The children were asked to retell a story they had listened to, and the obtained samples were transcribed verbatim and analyzed for various microstructural elements, including the mean length of utterances, total number of words, number of utterances, and number of different word types...

OBJECTIVE: This study aimed to determine if the major public awareness campaign for cochlear implants 'International Cochlear Implant Day' influenced national and international public interest as measured by internet search activity. METHODS: Weekly search volume data in the United States, Canada, Australia, Germany, United Kingdom, Brazil, India, Japan, and a 'Worldwide' group for the search topic 'cochlear implant' was collected from Google Trends over a 5-year period (2017-2021)...

PURPOSE: This study evaluates the effect of cochlear implantation (CI) on work ability. The influences of quality of life (QOL), age, mental health, and hearing were analyzed. METHODS: Seventy-nine patients undergoing CI surgery were evaluated preoperatively and 12 months postoperatively. Work ability was evaluated using the Work Ability Index (WAI). QOL was assessed with the Nijmegen Cochlear Implant Questionnaire (NCIQ) and the WHOQOL-BREF. Mental health was assessed with the Patient Health Questionnaire...

OBJECTIVES: Cochlear implantation is the most effective treatment for patients with severe-to-profound sensorineural hearing loss. Much scientific work has been published since their inception. There is a need for a critical reflection on how and what we publish on cochlear implantation. METHODS: All Science Citation Index Expanded featured articles between 1980 and 2022 with the word 'cochlear implants' or 'cochlear implantation' were collected from the Web of Science database...

OBJECTIVES: Misplacement of the CI electrode array is one of the rarest complications of cochlear implant surgery. This condition can be noticed intraoperatively and diagnosed radiologically in the early postoperative period. To present a novel and minimally invasive revision approach for a misplaced cochlear implant (CI) electrode array. CASE: In this case report, the authors present a previously undescribed alternative minimally invasive revision cochlear implantation approach for a patient with a misplaced CI electrode array in the right ear who underwent bilateral simultaneous cochlear implantation one and a half years ago at another center...

OBJECTIVE AND METHOD: Skin breakdown over receiver/stimulator (RS) after cochlear implantation poses a serious challenge. We report our experience using a one-stage reconstruction and implant salvage approach. RESULTS: Between the years 2005 and 2017 five children, all females, with congenital- bilateral sensorineural hearing loss were identified. In all cases, a temporoparietal fascia flap (TPFF) and a large scalp flap were used to provide a two-layer coverage to the exposed RS...

OBJECTIVES: To investigate migration and other electrode-related complications in cochlear implant surgery. METHODS: Retrospective review of all patients (adult and paediatric) undergoing cochlear implantation at a tertiary referral centre in England, between April 2019 and December 2021. Split arrays and patients who did not have post-op imaging were excluded. RESULTS: Two hundred and ninety-nine cochlear implants were performed including 90% primary and 10% revision surgeries...

OBJECTIVES: To investigate the prevalence of cochlear-facial dehiscence (CFD) and other radiographical pathologies in ears with facial nerve stimulation (FNS) from a cochlear implant (CI). METHODS: Retrospective case-control study of 27 patients with CI and FNS on either ear (study group) and 27 patients without FNS, matched for age, sex and type of electrode array (control group). Preoperative CT scans of all 108 ears were re-evaluated. Subanalyses included comparisons between the study and control groups and associations between FNS and radiographic pathologies...

OBJECTIVES: Children with cochlear nerve deficiency (CND) have wide variability in outcomes with cochlear implant (CI) use. The current study aims to report a large cohort of pediatric CI recipients with CND and to evaluate for factors that may predict improved performance. METHODS: The current study is a retrospective review of pediatric CI recipients with CND at a tertiary academic hospital. Variables including cochlear nerve status (hypoplasia vs aplasia), age at implantation, cochleovestibular malformation, bony cochlear nerve aperture, internal auditory canal aperture, and cognitive delay were evaluated for predictors of postoperative performance...

OBJECTIVE: To evaluate and compare children undergoing cochlear implantation (CI) with myringotomy tubes (MT) placed preoperatively or intraoperatively to those without MT . METHODS: This was a retrospective review of pediatric patients undergoing CI between 2015 to 2020 at a tertiary care pediatric hospital. CI patients with and without MT were reviewed for the following outcomes: intraoperative findings, intraoperative and postoperative complications, and surgical time...

OBJECTIVE: This study aimed to investigate the validity and reliability of the Turkish version of the Children's Home Inventory for Listening Difficulties - (C.H.I.L.D) questionnaire. METHODS: The study included 121 children with cochlear implants and their families aged 3-12 years and 171 children with normal hearing and their families. Confirmatory factor analysis (C.F.A.) was used to assess construct validity, Cronbach's alpha was used to analyze internal consistency and test-retest reliability was also investigated...

OBJECTIVES: To study the voice acoustic parameters of congenitally deaf children with delayed access to sounds due to late-onset cochlear implantation and to correlate their voice characteristics with their auditory performance. METHODS: The study included 84 children: a control group consisting of 50 children with normal hearing and normal speech development; and a study group consisting of 34 paediatric cochlear implant (CI) recipients who had suffered profound hearing loss since birth...

An increasing number of young infants, as early as six months of age with congenital hearing loss receive cochlear implantation, and it is probable that many of these patients will require revision surgery later in life. The possibility of explantation of the cochlear electrode and reimplantation may cause damage to the cochlea, compromising the speech perception outcome in revision implant is of concern. There is only one prior temporal bone histopathology study to look at the outcome of revision surgery and no prior study evaluating revision cochlear implantation that used the round window approach...

BACKGROUND: Device activation typically occurs four weeks post cochlear implant surgery. Emerging evidence suggests earlier activation is feasible and beneficial, giving patients quicker access to sound and rehabilitation. OBJECTIVES: Assess current literature for effects of early cochlear implant activation. METHODS: Electronic searches of Medline/PubMed, AMED, EMBASE, CINAHL and the Cochrane Library following PRISMA guidelines. Studies investigating any aspect of early activation were included for review...

OBJECTIVES: Electrode impedance measurements from cochlear implants (CI) reflect the status of the electrode array as well as the surrounding cochlear environment, and could provide a clinical index of functional changes with the CI. The goals of this study were to examine (1) the impact of electrode array type on electrode impedance, and (2) the relationship between electrode impedance and short-term hearing preservation and speech recognition outcomes. METHODS: Retrospective study of 115 adult hearing preservation CI recipients of a slim modiolar or slim straight array...

OBJECTIVES: Changes in vestibular function have been demonstrated following cochlear implantation (CI). The functional impact of these changes on CI performance has not been well-studied. We sought to assess whether caloric changes postimplantation could predict CI performance. METHODS: Retrospective review of a prospectively collected database at a tertiary care hospital. Patients who underwent CI over a 22-year period (1999-2021) and had videonystagmography (VNG) testing pre- and postimplantation were included...

OBJECTIVE: To compare vestibular outcomes in cochlear implant (CI) surgery, between robotic-assisted insertion of the electrodes versus manual insertion. METHODS: We performed a monocentric retrospective study. From March 2021, the robotic system RobOtol© was used for all CI cases. We compared this robotic-assisted insertion group with a manual insertion group of patients who received a CI between July 2020 and March 2021. Primary objective was vestibular outcome...

Objectives: To propose an automated fast cochlear segmentation, length, and volume estimation method from clinical 3D multimodal images which has a potential role in the choice of cochlear implant type, surgery planning, and robotic surgeries. Methods: Two datasets from different countries were used. These datasets include 219 clinical 3D images of cochlea from 3 modalities: CT, CBCT, and MR. The datasets include different ages, genders, and types of cochlear implants. We propose an atlas-model-based method for cochlear segmentation and measurement based on high-resolution μ CT model and A -value...

Cerebellopontine angle (CPA) meningiomas commonly involve the internal auditory canal (IAC). We report a case of a 68-year-old lady with idiopathic profound bilateral deafness with a meningioma which was discovered on workup for cochlear implantation. We performed simultaneous excision of her CPA and IAC meningioma with insertion of a cochlear implant (CI). She regained functional hearing with marked improvement in quality of life. Intraoperative electrophysiological testing can be used to confirm preservation of the cochlear nerve enabling simultaneous implantation which is preferable for clinical and logistical reasons...