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Cochlear Implants International

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https://www.readbyqxmd.com/read/28793847/effects-of-electrode-deactivation-on-speech-recognition-in-multichannel-cochlear-implant-recipients
#1
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...
August 10, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28784040/the-vibrant-soundbridge-%C3%A2-middle-ear-implant-a-historical-overview
#2
S Labassi, M Beliaeff, V Péan, P Van de Heyning
OBJECTIVE: To present a historical overview of the Vibrant Soundbridge(®) (VSB) middle ear implant (MEI), since its beginning in the 1990s to date and to describe its course and contemplate what it might become in the future. HISTORY: MEIs started to take form in researchers' mind in the 1930s with the first experiment of Wilska. In the 1970s, several devices, such as the Goode and Perkins', the Maniglia's, or the Hough and Dormer's were created but remained prototypes...
August 8, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28738739/review-of-outcomes-and-measurement-instruments-in-cochlear-implantation-studies
#3
Simone Schaefer, Lise Henderson, John Graham, Stephen Broomfield, Helen Cullington, David Schramm, Susan Waltzman, Iain Bruce
No abstract text is available yet for this article.
July 25, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28728475/bill-gibson-pioneering-bionic-ear-surgeon
#4
Richard Ramsden
No abstract text is available yet for this article.
July 21, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28726592/effect-of-extreme-adaptive-frequency-compression-in-bimodal-listeners-on-sound-localization-and-speech-perception
#5
Lidwien C E Veugen, Josef Chalupper, Lucas H M Mens, Ad F M Snik, A John van Opstal
OBJECTIVES: This study aimed to improve access to high-frequency interaural level differences (ILD), by applying extreme frequency compression (FC) in the hearing aid (HA) of 13 bimodal listeners, using a cochlear implant (CI) and conventional HA in opposite ears. DESIGN: An experimental signal-adaptive frequency-lowering algorithm was tested, compressing frequencies above 160 Hz into the individual audible range of residual hearing, but only for consonants (adaptive FC), thus protecting vowel formants, with the aim to preserve speech perception...
July 20, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28665247/the-impact-of-vestibular-status-prior-to-cochlear-implantation-on-postural-control-a-multiple-case-study
#6
Maxime Maheu, Sara Pagé, Andréanne Sharp, Audrey Delcenserie, François Champoux
OBJECTIVE: The goal of the present study was to investigate the impact of unilateral cochlear implantation on postural control in relation to the vestibular status before CI surgery. METHODS: We recruited 17 participants (four CI candidates and 13 hearing controls) and performed complete vestibular evaluation (cVEMP, oVEMP, vHIT) and postural evaluation using a force platform, prior and following unilateral cochlear implant surgery. RESULTS: Our study suggests that an increase in postural sway following cochlear implant was present only for the participants that received the implant in the ear with the better vestibular function...
June 30, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28629258/implementation-and-preliminary-evaluation-of-c-tone-a-novel-algorithm-to-improve-lexical-tone-recognition-in-mandarin-speaking-cochlear-implant-users
#7
Lichuan Ping, Ningyuan Wang, Guofang Tang, Thomas Lu, Li Yin, Wenhe Tu, Qian-Jie Fu
OBJECTIVES: Because of limited spectral resolution, Mandarin-speaking cochlear implant (CI) users have difficulty perceiving fundamental frequency (F0) cues that are important to lexical tone recognition. To improve Mandarin tone recognition in CI users, we implemented and evaluated a novel real-time algorithm (C-tone) to enhance the amplitude contour, which is strongly correlated with the F0 contour. METHODS: The C-tone algorithm was implemented in clinical processors and evaluated in eight users of the Nurotron NSP-60 CI system...
June 20, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28602150/translabyrinthine-vestibular-schwannoma-resection-with-simultaneous-cochlear-implantation
#8
Austin N DeHart, William C Broaddus, Daniel H Coelho
OBJECTIVES: (1) Report a rare case of translabyrinthine resection of a sporadic vestibular schwannoma (VS) and concurrent cochlear implantation (CI). (2) Discuss pre-, intra-, and post-operative considerations in this unique patient population. (3) Describe surgical and audiologic outcomes reported in this population. METHODS: Case report and review of the literature. PubMed search 'Cochlear Implantation'[Mesh] AND ('Neuroma, Acoustic'[Mesh] OR 'VESTIBULAR SCHWANNOMA'[All Fields] OR 'SCHWANNOMA'[All Fields]) limited to humans and English language...
June 12, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28602134/the-effects-of-early-auditory-based-intervention-on-adult-bilateral-cochlear-implant-outcomes
#9
Stacey R Lim
OBJECTIVES: The goal of this exploratory study was to determine the types of improvement that sequentially implanted auditory-verbal and auditory-oral adults with prelingual and childhood hearing loss received in bilateral listening conditions, compared to their best unilateral listening condition. METHODS: Five auditory-verbal adults and five auditory-oral adults were recruited for this study. Participants were seated in the center of a 6-loudspeaker array. BKB-SIN sentences were presented from 0° azimuth, while multi-talker babble was presented from various loudspeakers...
June 12, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28539106/wired-for-sound-a-journey-into-hearing
#10
Gemma Mole
No abstract text is available yet for this article.
May 25, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28534710/systematic-review-radiological-and-histological-evidence-of-cochlear-implant-insertion-trauma-in-adult-patients
#11
Emma Hoskison, Scott Mitchell, Chris Coulson
INTRODUCTION: Cochlear implantation (CI) has developed from its origins in the 1980s. Initially, CI was for profound bilateral hearing impairment. However, candidacy for CI have become more widespread in recent years with unilateral implantation and an emphasis on hearing preservation. Evidence supports full electrode insertion in an atraumatic fashion into the scala tympani (ST) provides optimal hearing outcomes. The main aim of this systematic review was to elucidate the degree of trauma associated with CI insertion...
May 23, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28498083/computer-assisted-ci-fitting-is-the-learning-capacity-of-the-intelligent-agent-fox-beneficial-for-speech-understanding
#12
Matthias Meeuws, David Pascoal, Iñigo Bermejo, Miguel Artaso, Geert De Ceulaer, Paul J Govaerts
OBJECTIVE: The software application FOX ('Fitting to Outcome eXpert') is an intelligent agent to assist in the programing of cochlear implant (CI) processors. The current version utilizes a mixture of deterministic and probabilistic logic which is able to improve over time through a learning effect. This study aimed at assessing whether this learning capacity yields measurable improvements in speech understanding. METHODS: A retrospective study was performed on 25 consecutive CI recipients with a median CI use experience of 10 years who came for their annual CI follow-up fitting session...
May 12, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28485697/management-and-outcomes-of-cochlear-implantation-in-patients-with-congenital-cytomegalovirus-ccmv-related-deafness
#13
Andrew Wesley Hoey, Irumee Pai, Sandra Driver, Steve Connor, Elizabeth Wraige, Dan Jiang
OBJECTIVE: Congenital Cytomegalovirus (cCMV) is a well-defined cause for neonatal mortality and morbidity, particularly sensorineural hearing loss and other neurodevelopmental disruption. We present a retrospective study which provides an overview of the assessment and preoperative work-up for patients diagnosed with cCMV and their cochlear implant (CI) outcomes. METHOD: This was a retrospective case series study of all children with a confirmed diagnosis of cCMV who underwent cochlear implantation at St Thomas' Hospital from 2003 to 2015...
May 9, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28466683/uk-bone-conduction-hearing-device-consensus-workshop-narrative-summary
#14
Rishi Mandavia, Panagiotis A Dimitriadis, Peter Monksfield, Amanda Hall, Jaydip Ray, Anne G M Schilder
OBJECTIVES: To identify United Kingdom (UK)-specific research priorities in the field of bone conduction hearing devices (BCHDs). METHOD: Narrative summary of the discussions and outcomes of a UK BCHD research workshop. The workshop was organized on 8 September 2016 under the auspices of the National Institute for Health Research (NIHR) Clinical Research Network (CRN) ENT Specialty group and Royal College of Surgeons (RCS) Clinical Research Initiative. Representatives from a wide range of patient and professional groups from the UK and abroad were invited to attend...
May 3, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28464710/salvaging-cochlear-implant-after-wound-infection-well-worth-a-try
#15
Shalabh Sharma, Anandita Gupta, Khyati Bhatia, Asish Kumar Lahiri, Satinder Singh
BACKGROUND: Cochlear implant (CI)-related wound infections are known to happen even years after the implant procedure and present a challenging clinical situation. Due to the formation of biofilm on the implant surface such infections are difficult to eradicate. Invariably explantation of the device is required for wound healing. METHOD: A 10-year-old patient presented with recurrent CI-related wound infection 8 years after implantation. The implant was salvaged with wound debridement and treating it with tea tree oil which is known for its biofilm eradicating properties...
May 3, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28335700/cochlear-implants-in-the-management-of-hearing-loss-in-neurofibromatosis-type-2
#16
Frances Harris, James R Tysome, Neil Donnelly, Juliette Durie-Gair, Gemma Crundwell, Yu Chuen Tam, Richard D Knight, Zebunnisa H Vanat, Nicola Folland, Patrick Axon
OBJECTIVE: Review of cochlear implant (CI) outcomes in patients with Neurofibromatosis Type 2 (NF2), implanted in the presence of an ipsilateral vestibular schwannoma (VS). Hearing restoration was combined in some cases with a Bevacizumab regime. METHOD: Retrospective review of 12 patients, managed over the period 2009-2016, at a tertiary referral multidisciplinary NF2 clinic. The patients are grouped by hearing outcomes to explore likely protective factors, and to generate a proposed decision-making tool for the selection of either CI or Auditory Brainstem Implant (ABI)...
May 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28248612/health-related-quality-of-life-outcomes-following-adult-cochlear-implantation-a-prospective-cohort-study
#17
Douglas P Sladen, Ann Peterson, Matt Schmitt, Amy Olund, Katherine Teece, Brittany Dowling, Melissa DeJong, Alyce Breneman, Charles W Beatty, Matthew L Carlson, Brian A Neff, Becky Hughes-Borst, Colin L Driscoll
INTRODUCTION: The benefits of cochlear implantation extend beyond improved speech recognition and into overall health-related quality of life (HRQoL). Several measures of HRQoL, categorized as generic or disease specific, have been used in the cochlear implant literature. The clinical utility of generic HRQoL measures have been reported to be variable by previous investigators. The degree to which HRQoL correlates to speech perception is largely unknown. METHODS: A prospective single-subject design at a large tertiary care center...
May 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28218016/auditory-performance-and-subjective-benefits-in-adults-with-congenital-or-prelinguistic-deafness-who-receive-cochlear-implants-during-adulthood
#18
Louise Duchesne, Isabelle Millette, Maurice Bhérer, Suzie Gobeil
OBJECTIVES: (1) To describe auditory performance and subjective benefits in adults with congenital or prelingual deafness who received a cochlear implant (CI) during adolescence or adulthood, and (2) to examine the benefits as experienced by these CI users. METHODS: Twenty-one adults aged 23-65 years participated in the study. All had a congenital or prelingual deafness (onset before age 3). They received a CI between the age of 16 and 61 years (mean age: 31). Speech recognition scores before and after implantation were computed and a questionnaire on subjective benefits (French adaptation of the Adult Cochlear Implant Questionnaire, designed by Zwolan and collaborators (1996, Self-report of CI use and satisfaction by prelingually deafened adults...
May 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28335695/impact-of-cognition-and-noise-reduction-on-speech-perception-in-adults-with-unilateral-cochlear-implants
#19
Suzanne Carolyn Purdy, David Welch, Ellen Giles, Catherine Louise Anne Morgan, Renique Tenhagen, Abin Kuruvilla-Mathew
OBJECTIVES: The purpose of this study was to investigate the impact of cognition and noise reduction (NR) technology in cochlear implants (CIs) on speech perception and listening effort. METHODS: Thirteen adults fitted with unilateral CIs (Nucleus(®) 6, CP900) participated in this study. Participants performed: (I) cognitive tests of working memory and processing speed, (II) speech perception in noise tests, and (III) an auditory-visual dual-task paradigm to quantify listening effort, as a part of the three-phase experimental study...
March 24, 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28326996/impact-of-music-on-the-quality-of-life-of-cochlear-implant-users-a-focus-group-study
#20
Giorgos Dritsakis, Rachel M van Besouw, Aoife O' Meara
OBJECTIVE: To study the aspects of the quality of life (QoL) on which music has an impact in adult cochlear implant (CI) users. METHODS: Thirty adult CI users aged between 18 and 81 years old with a wide range of patient characteristics and musical backgrounds participated in the study. Six focus group discussions about music in everyday life were conducted and data were analysed using template analysis based on the QoL model of the World Health Organisation Quality of Life BREF questionnaire...
March 22, 2017: Cochlear Implants International
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