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Cochlear Implants International

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https://www.readbyqxmd.com/read/29455623/rare-case-of-bilateral-aural-atresia-and-cochlear-dysplasia-when-cochlear-implantation-is-not-the-answer
#1
Maja Svrakic
OBJECTIVE AND IMPORTANCE: Reports of patients with concurrent middle and inner ear anomalies are rare. These patients present a surgical challenge for cochlear implantation. The surgical risk must be weighed against the predicted benefit of the patient's hearing outcome and subsequent development of speech and language as well as their quality of life. CLINICAL PRESENTATION: Thirteen-year-old boy presented to the Otology clinic for auditory rehabilitation options...
February 17, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29363411/cochlear-implant-the-family-s-perspective
#2
Sheila de Souza Vieira, Giselle Dupas, Brasilia Maria Chiari
OBJECTIVE: To understand the family's experience of a child who uses a cochlear implant (CI). Specifically, to identify the difficulties, changes, and feelings entailed by deafness and the use of the CI; the coping strategies; and to understand the role of the family for the child with a CI. METHOD: Qualitative research, using Symbolic Interactionism and Straussian Grounded Theory as the theoretical and methodological frameworks, respectively. Data collection instrument: semi-structured interview...
January 24, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29363410/intra-cochlear-electrode-tip-fold-over
#3
Dalal Sabban, Marine Parodi, Marion Blanchard, Veronique Ettienne, Isabelle Rouillon, Natalie Loundon
Cochlear implantation has been performed safely for over two decades but still has various minor and major complications. We report two cases of an unusual complication of electrode implantation: tip fold-over of the electrode array within the cochlea. Both cases required undergoing explantation and re-implantation. The frequent use of fine and pre-curved electrodes particularly with the use of an insertion tool necessitates routine postoperative radiological evaluation of the electrode array. Our cases demonstrate the benefit of systematic imaging including the possible use of the Cone Beam CT intraoperatively...
January 24, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29347892/pilot-study-on-the-use-of-data-mining-to-identify-cochlear-implant-candidates
#4
Jedidiah J Grisel, Erin Schafer, Anne Lam, Terry Griffin
OBJECTIVES: The goal of this pilot study was to determine the clinical utility of data-mining software that screens for cochlear implant (CI) candidacy. METHODS: The Auditory Implant Initiative developed a software module that screens for CI candidates via integration with a software system (Noah 4) that serves as a depository for hearing test data. To identify candidates, patient audiograms from one practice were exported into the screening module. Candidates were tracked to determine if any eventually underwent implantation...
January 19, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29345557/co-registration-of-cone-beam-ct-and-preoperative-mri-for-improved-accuracy-of-electrode-localization-following-cochlear-implantation
#5
A S Dragovic, A K Stringer, L Campbell, C Shaul, S J O'Leary, R J Briggs
OBJECTIVES: To investigate the clinical usefulness and practicality of co-registration of Cone Beam CT (CBCT) with preoperative Magnetic Resonance Imaging (MRI) for intracochlear localization of electrodes after cochlear implantation. METHODS: Images of 20 adult patients who underwent CBCT after implantation were co-registered with preoperative MRI scans. Time taken for co-registration was recorded. The images were analysed by clinicians of varying levels of expertise to determine electrode position and ease of interpretation...
January 18, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29299970/inconsistent-device-use-in-pediatric-cochlear-implant-users-prevalence-and-risk-factors
#6
Kathryn B Wiseman, Andrea D Warner-Czyz
OBJECTIVES: Cochlear implants (CIs) afford an opportunity for children with a significant hearing loss to access spoken language through auditory input, but challenges post-implantation could impede success. Inconsistent device use occurs when a child wears their device less than full-time (<8 hours per day). Previous studies may underestimate the prevalence of inconsistent device use in pediatric CI users due to methodological issues (subjective parent report vs. objective measures)...
January 4, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29291688/comparing-esrt-and-ecap-measurements-in-pediatric-med-el-cochlear-implant-users
#7
Julie Kosaner, Philipp Spitzer, Svetlana Bayguzina, Muammer Gultekin, Laurie Arum Behar
INTRODUCTION: Electrically evoked compound action potentials (eCAP) and electrically evoked stapedius reflexes are the most frequently used objective measurements for programming a cochlear implant (CI) audio processor. Objective methods are particularly beneficial for children and CI users that encounter difficulties in providing feedback. In this study, we compared the threshold and the slope of the eCAP amplitude growth function with the electrically evoked stapedius reflex threshold (eSRT) in pediatric CI users...
January 2, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29291687/perceived-improvements-and-challenges-following-sequential-bilateral-cochlear-implantation-in-children-and-adults
#8
Mary Pat Moeller, Lisa J Stille, Michelle L Hughes, Rodney P Lusk
OBJECTIVE: Semi-structured interviews were conducted with sequentially implanted bilateral cochlear-implant (biCI) recipients to examine functional aspects of communication that are affected by listening with one versus two CIs. DESIGN: Participants were 15 adult biCI recipients and parents of 30 children (categorized into three groups by age) with biCIs. All CI users had sequential placement of biCIs with at least six months' experience with the first CI before activation of the second device, and at least three months' experience with both CIs prior to the interview...
January 2, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29214896/outcome-evaluation-on-cochlear-implant-users-with-residual-hearing
#9
Nicole Neben, Andreas Buechner, Mark Schuessler, Thomas Lenarz
OBJECTIVES: The performance outcome with Freedom™ Hybrid™ versus the CP900 series sound processor with Hybrid Hearing was investigated. In addition, a preliminary evaluation was conducted to consider the feasibility of upgrading experienced electric-only cochlear implant (CI) users who had substantial residual hearing to Hybrid Hearing. METHODS: This study was a single-centre prospective, non-inferiority design with repeated measures conducted at Hannover Medical School (MHH)...
December 7, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29212424/surgical-complications-of-cochlear-implantation-in-a-tertiary-university-hospital
#10
Al Hussein Awad, Usama M Rashad, Nihal Gamal, Mostafa A Youssif
INTRODUCTION: Cochlear implantation remains a popular and effective therapy for patients with sensorineural hearing loss that not get benefit from conventional hearing aids Objective: To analyze the surgical complications obtained in patients that underwent cochlear implantation in a tertiary university hospital. MATERIALS AND METHODS: Retrospective analysis of the medical files of cochlear implant patients who underwent surgery at our institution between October 2014 and July 2016...
December 7, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29188758/utility-of-intraoperative-computed-tomography-for-cochlear-implantation-in-patients-with-difficult-anatomy
#11
Christine S Kim, Alice Z Maxfield, David Foyt, Robert J Rapoport
OBJECTIVE AND IMPORTANCE: To describe cases that illustrate the utility of intraoperative computed tomography (CT) in cochlear implantation of patients with difficult temporal bone anatomy. CLINICAL PRESENTATION: A 2-year-old male with congenital X-linked stapes gusher syndrome and a 2-year-old female with enlarged vestibular aqueduct underwent successful cochlear implantation with the help of intraoperative CT. In the latter case, the initial intraoperative C-arm fluoroscopy suggested malposition of the electrode, however, was not able to provide details for adjustments...
November 30, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29457564/investigating-speech-recognition-and-listening-effort-with-different-device-configurations-in-adult-cochlear-implant-users
#12
Douglas P Sladen, Yingjiu Nie, Katelyn Berg
OBJECTIVES: The purpose of this study was to investigate speech recognition in noise and listening effort among a group of adults with cochlear implants (CIs). Two main research questions were addressed. First, what are the effects of omni versus directional microphone configuration on speech recognition and listening effort for noisy conditions? Second, what is the effect of unilateral versus bimodal or bilateral CI listening on speech recognition and listening effort in noisy conditions? DESIGN: Sixteen adults (mean age 58 years) with CIs participated...
May 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29457563/novel-use-of-the-cochlear-%C3%A2-hybrid-ci24reh-cochlear-implant
#13
Yahya Atiya, Mohamed Razwi Ahmed, Dani Schlesinger-Michelow
Cochlear implantation is becoming more widespread. From its early days to date, huge strides have been made in the technology and surgical technique. However, one challenge remains: implanting malformed or abnormal cochleae. Even more challenging is a cochlea that appears normal at first glance, but is not. We present a case of a child with chondrodysplasia punctata, who had apparently morphologically normal inner ears, but with one major obstacle: the cochlea was smaller than normal in all dimensions. To the best of our knowledge, this is the first case described, and the solution is a novel one as well...
May 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29457562/quality-of-life-outcomes-in-cochlear-implantation-of-children-with-profound-and-multiple-learning-disability
#14
Richard Benjamin Speaker, Jennifer Roberston, Cristina Simoes-Franklin, Fergal Glynn, Peter Walshe, Laura Viani
This study was performed to investigate the effect of cochlear implantation on the Quality of Life (QoL) of children with profound and multiple learning disability (PMLD). This cohort of children has been viewed historically as poor candidates for cochlear implantation as they generally have poor speech and hearing outcomes. The Irish National Cochlear Implant Program's prospectively maintained database was examined for all children implanted from July 1996 to July 2015. All charts of the 381 children implanted during this time were reviewed retrospectively; 16 children met criteria for being PMLD...
May 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29188760/surgical-complications-and-their-management-in-cochlear-implantees-less-than-5-years-of-age-the-kemh-pune-experience
#15
Sayali Shiras, Neelam Vaid, Sanjay Vaid, Ajay Kothadiya
OBJECTIVE: To evaluate the incidence of surgical complications of cochlear implantation and their management at K.E.M. hospital Pune. METHODS: It was a retrospective and prospective observational study conducted from February 2006 to December 2015 in the paediatric age group of 12 months to 5 years (213 cases). The complications were divided into major and minor groups based on the classification proposed by Cohen and Hoffman. RESULTS: The mean age of implantation was 3...
March 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/28992760/-cochlear-view-plain-radiograph-a-simple-reliable-positioning-method
#16
Stephanie Elyse Ambrose, Norman Wendell Todd
INTRODUCTION: The plain 'cochlear view' radiograph for checking cochlear implant electrode coiling and depth of insertion is strongly influenced by positioning. The best accuracy and inter-observer agreement are achieved with the X-ray beam passing through the axis of the modiolus, which is perpendicular to the plane of the basal turn of the cochlea. The basal turn of the cochlea generally is 45 from the head's sagittal plane. OBJECTIVE: To describe a simple reliable technique of patient positioning to maximize the accuracy of postoperative radiographs in the evaluation of cochlear electrode insertion...
March 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29073844/hearing-preservation-cochlear-implantation-in-children-the-hearring-group-consensus-and-practice-guide
#17
Gunesh Rajan, Dayse Tavora-Vieira, Wolf-Dieter Baumgartner, Benoit Godey, Joachim Müller, Martin O'Driscoll, Henryk Skarzynski, Piotr Skarzynski, Shin-Ichi Usami, Oliver Adunka, Sumit Agrawal, Iain Bruce, Marc De Bodt, Marco Caversaccio, Harold Pilsbury, Javier Gavilán, Rudolf Hagen, Abdulrahman Hagr, Mohan Kameswaran, Eva Karltorp, Martin Kompis, Vlad Kuzovkov, Luis Lassaletta, Li Yongxin, Artur Lorens, Manikoth Manoj, Jane Martin, Griet Mertens, Robert Mlynski, Lorne Parnes, Sasidharan Pulibalathingal, Andreas Radeloff, Christopher H Raine, Ranjith Rajeswaran, Joachim Schmutzhard, Georg Sprinzl, Hinrich Staecker, Kurt Stephan, Serafima Sugarova, Mario Zernotti, Patrick Zorowka, Paul Van de Heyning
OBJECTIVES: To provide multidisciplinary cochlear implant teams with a current consensus statement to support hearing preservation cochlear implantation (HPCI) in children, including those children with symptomatic partial deafness (PD) where the intention is to use electric-acoustic stimulation (EAS). The main objectives are to provide guidelines on who is a candidate, how to assess these children and when to implant if Med-El Flex electrode arrays are chosen for implantation. METHODS: The HEARRING group reviewed the current evidence and practice regarding the management of children to be considered for HPCI surgery emphasizing the assessment needed prior to implantation in order to demonstrate the benefits in these children over time...
January 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/28992743/the-knowledge-and-beliefs-regarding-practical-aspects-of-cochlear-implants-a-study-of-otorhinolaryngologists-in-a-secondary-setting-in-a-multi-country-study
#18
Patrick S C D'Haese, Vincent Van Rompaey, Marc De Bodt, Paul Van de Heyning
OBJECTIVE: The main goal of this study was to determine the knowledge and beliefs of otorhinolaryngologists in a secondary setting in selected economically advanced European countries concerning severe hearing loss, hearing aids, and cochlear implants (CIs). Secondary goals of the study looked into the information sources of the otorhinolaryngologists and into key topics of importance for these professionals. In Europe, many adults, who could benefit from a CI, do not have one despite their availability via national health care systems...
January 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/28946841/balance-in-children-following-cochlear-implantation
#19
Andrew Kelly, Zhaobo Liu, Shanna Leonard, Fearghal Toner, Mark Adams, Joseph Toner
OBJECTIVES: To assess the vestibular function of children who had unilateral and bilateral cochlear implants compared with a control group of otherwise healthy children who had not been implanted. STUDY DESIGN: Observational case-control study. METHODS: Posturography was carried out in the form of a Modified Clinical Test of Sensory Interaction on Balance using a Wii Balance Board and the Vestio App on an iPod Touch. Thirty children in total were tested, 10 children in each cohort...
January 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29161976/a-new-approach-for-the-determination-of-ecap-thresholds
#20
Sebastian Hoth, Philipp Spitzer, Mark Praetorius
BACKGROUND: Electrically evoked compound action potentials (ECAPs) of the auditory nerve are routinely recorded for testing the cochlear implant integrity and its functional connection to the auditory system. The response thresholds derived from ECAP recordings are widely used as a helpful guide in the fitting of the dynamic range of electric stimulation, although they may not always predict the behavioral thresholds of individuals well. Conventionally, this threshold is based on the identification of a minimum N peak and maximum P peak and linear extrapolation of the resulting amplitude growth function (AGF)...
November 22, 2017: Cochlear Implants International
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