Tiarnan Magos, Hala Kanona, Simon Morley, Sherif Khalil, Azhar Shaida
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...
February 21, 2024: Cochlear Implants International
Marie Bunne, Marte Myhrum, Muneera Iftikhar, Kjell Rasmussen, Benedicte Falkenberg-Jensen
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...
February 19, 2024: Cochlear Implants International
Nicholas J Thompson, Lisa R Park, Brendan P O'Connell, Carlton J Zdanski, Kevin D Brown, Melissa R Anderson
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...
February 14, 2024: Cochlear Implants International
Alexa Marie Robbins, William Larsen Vaughn, Courtney B Voyles, Ching Siong Tey, Yijin Xiang, Chao Zhang, Nandini Govil
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...
January 21, 2024: Cochlear Implants International
Nuriye Yildirim Gökay, Caner Baysan, Esra Yücel
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...
January 18, 2024: Cochlear Implants International
Mahmoud M Mahrous, Ahmed A Abdelgoad, Nithreen M Said, Laila M Telmesani, Danah F Alrusayyis
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...
January 3, 2024: Cochlear Implants International
Alden F Smith, Gail Ishiyama, Ivan A Lopez, Akira Ishiyama
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...
December 21, 2023: Cochlear Implants International
Rosalyn Parker, Jameel Muzaffar, Muhammed Ayas AuD, William Brassington
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...
December 18, 2023: Cochlear Implants International
Bruna S Mussoi, Alex Meibos, Erika Woodson, Sarah Sydlowski
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...
December 11, 2023: Cochlear Implants International
Alexandra E Quimby, Christopher Z Wen, Michael J Ruckenstein, Jason A Brant, Douglas C Bigelow
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...
November 30, 2023: Cochlear Implants International
Arthur Derieppe, Adrien Gendre, Kinnie Bourget-Aguilar, Philippe Bordure, Guillaume Michel
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...
November 20, 2023: Cochlear Implants International
Ibraheem Al-Dhamari, Rania Helal, Tougan Abdelaziz, Stephan Waldeck, Dietrich Paulus
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...
November 3, 2023: Cochlear Implants International
Samuel Roberts, Richard Ferch, Robert Eisenberg
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...
November 2, 2023: Cochlear Implants International
Vanessa Hoffmann, Stefanie Kröger, Thorsten Burger, Manfred Hintermair
OBJECTIVES: Quality of life plays an important place in the psychosocial development of children with Cochlear Implants (CI). We assesd health-related quality of life (HRQoL) in children with CI and in hearing children and determined relationships between HRQoL and other developmental characteristics (social-emotional development, Theory of Mind (ToM), spoken language skills). METHODS: A longitudinal study was conducted including children with CI and hearing children...
October 29, 2023: Cochlear Implants International
Talita Fortunato-Tavares, Miya Wilson, John Orazem
OBJECTIVES: This study investigates the role of sentence stress on the comprehension of sentences with clitic pronouns (unstressed morphemes and a typical feature of Romance languages) by children with cochlear implants (CIs). METHODS: Thirteen children (seven girls) with CIs and 15 children (seven girls) with NH between eight and 12 years who are monolingual speakers of Brazilian Portuguese participated on a computerized sentence comprehension task that involved manipulation of stress placement of possible antecedent words to clitic pronouns...
October 24, 2023: Cochlear Implants International
Emily R Spitzer, David M Landsberger, Alexandra J Lichtl, Susan B Waltzman
OBJECTIVES: The purpose of this study was to determine the prevalence of ceiling effects for commonly used speech perception tests in a large population of children who received a cochlear implant (CI) before the age of four. A secondary goal was to determine the demographic factors that were relevant for predicting which children were more likely to reach ceiling level performance. We hypothesize that ceiling effects are highly prevalent for most tests. DESIGN: Retrospective chart review of children receiving a CI between 2002 and 2014...
October 24, 2023: Cochlear Implants International
Dayse Távora-Vieira, Roberta Marino, Jafri Kuthubutheen, Christopher Broadbent, Aanand Acharya
OBJECTIVES: To review the decision-making paradigm in the recommendations of BCI and aMEI overlapping candidacy for patients with conductive or mixed HL, and to determine if there are differences in hearing and quality of life outcomes between these implantable hearing devices. METHODS: Retrospective data from patients receiving BCI or aMEI in the past decade were analysed. Patients were grouped into: 1. BCI candidates, 2. BCI or aMEI candidates, and 3. aMEI candidates...
October 17, 2023: Cochlear Implants International
Miriam R Smetak, Shanik J Fernando, Matthew R O'Malley, Marc L Bennett, David S Haynes, Christopher T Wootten, Frank W Virgin, Robert T Dwyer, Benoit M Dawant, Jack H Noble, Robert F Labadie
OBJECTIVE: To investigate whether revision surgery with the same device results in a change in three key indicators of electrode positioning: scalar location, mean modiolar distance (<mml:math xmlns:mml=""><mml:mrow><mml:mover><mml:mi>M</mml:mi><mml:mo>¯</mml:mo></mml:mover></mml:mrow></mml:math>), and angular insertion depth (AID). METHODS: Retrospective analysis of a cochlear implant database at a university-based tertiary medical center...
September 2023: Cochlear Implants International
Haruo Yoshida, Yukihiko Kanda, Chisei Satoh, Yoshihiko Kumai, Haruo Takahashi
To investigate the postoperative long-term outcomes after an average of 9.2 years following cochlear implantation (CI) in prelingually deafened adults, along with preimplantation factors predicting postoperative outcomes. Twenty-six prelingually deafened adults who underwent CI at >18 years were compared with those who had undergone CI in childhood (<9 years) and were >10 years old. Outcome measures includedhearing thresholds, preoperative and postoperative aided hearing level (HL), speech discrimination score (SDS), and Categories of Auditory Performance (CAP) scores...
September 2023: Cochlear Implants International
Jamie A Schlacter, Emily Kay-Rivest, Sean O McMenomey, J Thomas Roland, David R Friedmann, Daniel Jethanamest
OBJECTIVES: Immune-checkpoint inhibitors (ICI) are being utilized with increasing frequency and may be linked to neurologic and audiovestibular toxicities. This report aimed to describe a case of ICI-induced sensorineural hearing loss ultimately requiring bilateral cochlear implantation. METHODS: A 42-year-old female with stage IV metastatic melanoma of the perianal skin was treated with ipilimumab (blocker of cytotoxic T-lymphocyte associated protein 4 [CTLA-4]) and nivolumab (anti-programmed cell death protein 1 [PD1])...
September 2023: Cochlear Implants International
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