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Cochlear Implants International

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https://www.readbyqxmd.com/read/29214896/outcome-evaluation-on-cochlear-implant-users-with-residual-hearing
#1
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
#2
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/29188760/surgical-complications-and-their-management-in-cochlear-implantees-less-than-5-years-of-age-the-kemh-pune-experience
#3
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...
November 30, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29188758/utility-of-intraoperative-computed-tomography-for-cochlear-implantation-in-patients-with-difficult-anatomy
#4
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/29161976/a-new-approach-for-the-determination-of-ecap-thresholds
#5
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
https://www.readbyqxmd.com/read/29157165/successful-cochlear-implantation-in-langerhans-cell-histiocytosis-a-rare-case
#6
Gaurav Gupta, Avani Jain, Mohnish Grover
An 8-year-old girl presented with a 1-year history of bilateral progressive hearing loss and vertigo for 6 months. High-resolution computed tomography of the temporal bones demonstrated multiple lytic lesions. Histopathology examination confirmed a diagnosis of Langerhans cell histiocytosis (LCH). She underwent chemotherapy for 12 months. Following treatment, she was in remission. However, the bilateral profound sensorineural hearing loss persisted. She underwent right cochlear implantation with very good functional audiological outcomes...
November 20, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29073844/hearing-preservation-cochlear-implantation-in-children-the-hearring-group-consensus-and-practice-guide
#7
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...
October 26, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29058555/auditory-verbal-habilitation-is-associated-with-improved-outcome-for-children-with-cochlear-implant
#8
Lone Percy-Smith, Tenna Lindbjerg Tønning, Jane Lignel Josvassen, Jeanette Hølledig Mikkelsen, Lena Nissen, Eveline Dieleman, Maria Hallstrøm, Per Cayé-Thomasen
OBJECTIVES: To study the impact of (re)habilitation strategy on speech-language outcomes for early, cochlear implanted children enrolled in different intervention programmes post implant. METHODS: Data relate to a total of 130 children representing two pediatric cohorts consisting of 94 and 36 subjects, respectively. The two cohorts had different speech and language intervention following cochlear implantation, i.e. standard habilitation vs. auditory verbal (AV) intervention...
October 23, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29032744/acoustic-simulation-of-cochlear-implant-hearing-effect-of-manipulating-various-acoustic-parameters-on-intelligibility-of-speech
#9
Saransh Jain, Vipin Ghosh P G
OBJECTIVE: Cochlear implants process the acoustic speech signal and convert it into electrical impulses. During this processing, many parameters contribute to speech perception. The available literature reviewed the effect of manipulating one or two such parameters on speech intelligibility, but multiple parameters are seldom manipulated. METHOD: Acoustic parameters, including pulse rate, number of channels, 'n of m', number of electrodes, and channel spacing, were manipulated in acoustic simulations of cochlear implant hearing and 90 different combinations were created...
October 16, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/29032725/percutaneous-pedestals-in-cochlear-implantation
#10
Alistair Mitchell-Innes, Richard Irving, Robert Briggs
Percutaneous pedestals have been integral to the development of cochlear implants since 1969. By enabling direct electrical access to implanted electrodes or other devices, they allow optimization of control of stimulation strategies. Similarly, technology not validated for implantable use can be safely tested. These advantages have facilitated the development of cochlear implants and also resulted in their inclusion in trials investigating electronic implants developed for other organs. Surgery is straightforward, but post-operative care, in particular, skin-care is crucial to ensure complications are minimized...
October 16, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28992767/sensitivity-of-expressive-linguistic-domains-to-surgery-age-and-audibility-of-speech-in-preschoolers-with-cochlear-implants
#11
Johanna G Nicholas, Ann E Geers
OBJECTIVES: To determine whether relative delays among domains exist in the conversational use of vocabulary, syntax, and morphology by children with cochlear implants (CIs) and whether these were differentially affected by age of implantation (AOI) and the audibility of speech. METHODS: Participants in this short-term longitudinal study were 126 children with AOI of 6-38 months and a matched group of 30 children without hearing loss. Language samples of the same children at ages 3...
October 10, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28992760/-cochlear-view-plain-radiograph-a-simple-reliable-positioning-method
#12
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...
October 10, 2017: 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
#13
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...
October 10, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28946841/balance-in-children-following-cochlear-implantation
#14
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...
September 26, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28934019/cochlear-implantation-under-conscious-sedation-with-local-anesthesia-safety-efficacy-costs-and-satisfaction
#15
Samion Shabashev, Yasser Fouad, T Kate Huncke, J Thomas Roland
OBJECTIVE: To evaluate the safety, efficiency, cost effectiveness, and satisfaction of patients undergoing cochlear implantation under conscious sedation versus general anesthesia. STUDY DESIGN: Retrospective case review of 20 patients who underwent cochlear implantation under conscious sedation which was compared to 20 age-matched patients where surgery was performed under general anesthesia. METHODS: Perioperative times, length of stay, anesthesia drug costs, postoperative complications, and patient satisfaction were compared between the two groups...
September 21, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28925814/evaluation-of-pediatric-cochlear-implant-care-throughout-europe-is-european-pediatric-cochlear-implant-care-performed-according-to-guidelines
#16
Hanneke Bruijnzeel, Aren Bezdjian, Anke Lesinski-Schiedat, Angelika Illg, Konstance Tzifa, Luisa Monteiro, Antonio Della Volpe, Wilko Grolman, Vedat Topsakal
OBJECTIVES: International guidelines indicate that children with profound hearing loss should receive a cochlear implant (CI) soon after diagnosis in order to optimize speech and language rehabilitation. Although prompt rehabilitation is encouraged by current guidelines, delays in cochlear implantation are still present. This study investigated whether European countries establish timely pediatric CI care based on epidemiological, commercial, and clinical data. METHODS: An estimation of the number of pediatric CI candidates in European countries was performed and compared to epidemiological (Euro-CIU), commercial (Cochlear(®)), and clinical (institutional) age-at-implantation data...
September 19, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28922984/cortical-auditory-evoked-potential-caep-and-behavioural-measures-of-auditory-function-in-a-child-with-a-single-sided-deafness
#17
Oscar M Cañete, Suzanne C Purdy, Michel Neeff, Colin R S Brown, Peter R Thorne
OBJECTIVES: To study the changes in behavioural and cortical responses over time in a child with single-sided deafness fitted with a cochlear implant (CI). METHODS: Cortical auditory evoked potentials (CAEPs) in noise (+5 dB signal-to-noise ratio) were recorded and auditory skills were assessed using tests of sound localization, spatial speech perception in noise, and self-ratings of auditory abilities (Listening inventory for education, LIFE and Speech, spatial and qualities of hearing questionnaire, SSQ parental version)...
September 19, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28793847/effects-of-electrode-deactivation-on-speech-recognition-in-multichannel-cochlear-implant-recipients
#18
Kara C Schvartz-Leyzac, Teresa A Zwolan, Bryan E Pfingst
OBJECTIVES: The objective of the current study is to evaluate how speech recognition performance is affected by the number of active electrodes that are turned off in multichannel cochlear implants. Several recent studies have demonstrated positive effects of deactivating stimulation sites based on an objective measure in cochlear implant processing strategies. Previous studies using an analysis of variance have shown that, on average, cochlear implant listeners' performance does not improve beyond eight active electrodes...
November 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28889790/auditory-verbal-practice-family-centered-early-intervention
#19
Elizabeth Tyszkiewicz
No abstract text is available yet for this article.
September 11, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28889786/implantable-microphones-as-an-alternative-to-external-microphones-for-cochlear-implants
#20
Alistair Mitchell-Innes, Robert Morse, Richard Irving, Philip Begg
Totally implantable cochlear implants may be able to address many of the problems cochlear implant users have around cosmetic appearances, discomfort, and restriction of activities. The major technological challenges that need to be solved to develop a totally implantable device relate to implanted microphone performance. Previous attempts at implanting microphones for cochlear implants have not performed as well as conventional cochlear implant microphones, and in addition have struggled with extraneous body or surface contact noise...
September 11, 2017: Cochlear Implants International
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