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https://www.readbyqxmd.com/read/29782445/comparing-two-hearing-aid-fitting-algorithms-for-bimodal-cochlear-implant-users
#1
Jantien L Vroegop, Nienke C Homans, Marc P van der Schroeff, André Goedegebure
OBJECTIVES: To investigate the possible advantage of the use of a dedicated bimodal hearing aid fitting formula, the Adaptive Phonak Digital Bimodal (APDB), compared with a frequently used standard hearing aid fitting formula, the NAL-NL2. We evaluated the effects of bimodal hearing aid fitting on provided hearing aid gain and on bimodal auditory functioning in a group of experienced bimodal cochlear implant (CI) users. A second aim of our study was to determine the effect of broadband loudness balancing on the prescribed gain of those two fitting formulas...
May 16, 2018: Ear and Hearing
https://www.readbyqxmd.com/read/29781875/feasibility-of-microrna-profiling-in-human-inner-ear-perilymph
#2
Matthew Shew, Athanasia Warnecke, Thomas Lenarz, Heike Schmitt, Sumedha Gunewardena, Hinrich Staecker
Hearing loss is common and caused by a wide range of molecular and cellular pathologies. Current diagnosis of hearing loss depends on a combination of physiologic testing, patient history, and in some cases genetic testing. Currently, no biopsy or equivalent procedure exists to diagnose inner ear disorders. MicroRNAs (miRNA) are short ribonucleic acids that regulate a variety of cellular processes. They have been found to be reliable markers for a variety of disease processes. In particular, a variety of miRNAs that are markers for neurodegenerative disease have been identified in cerebrospinal fluid...
May 17, 2018: Neuroreport
https://www.readbyqxmd.com/read/29780970/three-challenges-for-future-research-on-cochlear-implants
#3
REVIEW
David B Pisoni, William G Kronenberger, Michael S Harris, Aaron C Moberly
Cochlear implants (CIs) often work very well for many children and adults with profound sensorineural (SNHL) hearing loss. Unfortunately, while many CI patients display substantial benefits in recognizing speech and understanding spoken language following cochlear implantation, a large number of patients achieve poor outcomes. Understanding and explaining the reasons for poor outcomes following implantation is a very challenging research problem that has received little attention despite the pressing clinical significance...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780969/12-guiding-premises-of-pediatric-cochlear-implant-habilitation
#4
REVIEW
Amy McConkey Robbins
No abstract text is available yet for this article.
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780968/the-influence-of-obesity-on-operating-room-time-and-perioperative-complications-in-cochlear-implantation
#5
Jonathan L Hatch, Isabel M Boersma, Forest W Weir, Michael J Bauschard, Meredith A Holcomb, Paul R Lambert, Ted A Meyer
Objective: The rising incidence of obesity in the United States is associated with increased healthcare expenditures and resource allocation. Obesity has been associated with prolonged operating times during surgical procedures. The primary objective of this study is to compare body mass index (BMI) to length of surgery during cochlear implantation. Methods: A retrospective case control study from a tertiary academic referral center was performed. Patients included were adults who underwent primary, single-sided cochlear implantation with documented BMI and operating room (OR) times from January 2009 to July 2015...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780967/visual-working-memory-span-in-adults-with-cochlear-implants-some-preliminary-findings
#6
Aaron C Moberly, David B Pisoni, Michael S Harris
Objective: Neurocognitive functions, specifically verbal working memory (WM), contribute to speech recognition in postlingual adults with cochlear implants (CIs) and normal-hearing (NH) listener shearing degraded speech. Three hypotheses were tested: (1) WM accuracy as assessed using three visual span measures - digits, objects, and symbols - would correlate with recognition scores for spectrally degraded speech (through a CI or when noise-vocoded); (2) WM accuracy would be best for digit span, intermediate for object span, and lowest for symbol span, due to the increasing cognitive demands across these tasks...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780966/electro-tactile-stimulation-ets-enhances-cochlear-implant-mandarin-tone-recognition
#7
Juan Huang, Janice Chang, Fan-Gang Zeng
Objective: Electro-acoustic stimulation (EAS) is an effective method to enhance cochlear-implant performance in individuals who have residual low-frequency acoustic hearing. To help the majority of cochlear implant users who do not have any functional residual acoustic hearing, electro-tactile stimulation (ETS) may be used because tactile sensation has a frequency range and perceptual capabilities similar to that produced by acoustic stimulation in the EAS users. Methods: Following up the first ETS study showing enhanced English sentence recognition in noise,1 the present study evaluated the effect of ETS on Mandarin tone recognition in noise in two groups of adult Mandarin-speaking individuals...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780965/cochlear-implantation-in-infants-below-12-months-of-age
#8
Richard T Miyamoto, Bethany Colson, Shirley Henning, David Pisoni
Objectives: To provide safety and efficacy data on infants implanted below 12 months of age. Methods: With the wide application of newborn hearing screening programs, infants with deafness are being identified at birth. When a hearing aid trial fails, cochlear implantation is the only option to restore hearing. Mounting evidence suggests that age at implantation is a strong predictor of language outcomes. Using the minimally invasive surgical technique we have employed for nearly two decades, a limited clinical trial was initiated in the year 2000 because this age limitation fell outside of FDA guidelines...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780964/cochlear-implant-histopathology
#9
Fred H Linthicum, Joni K Doherty, Ivan A Lopez, Akira Ishiyama
The microscopic examination of fifty-five serially sectioned implanted temporal bones has provided insight into what is being stimulated; and the changes that are the result of the insertion and presence of the implant. The ganglion cell bodies (neurons) are structures being stimulated (two laboratories have reported an inverse relationship of the number of neurons and performance). Insertion through the round window, verses a cochleostomy, produces the least fibrosis and new bone. Fibrosis and new bone do not affect the implant function unless they form in the scala vestibuli in the region of the ductus reuniens, and, block it; and produce cochlear hydrops resulting in a delayed low tone loss of hearing in hybrid implants...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780963/the-cochlear-implant-and-possibilities-for-narrowing-the-remaining-gaps-between-prosthetic-and-normal-hearing
#10
Blake S Wilson
Background: The cochlear implant has become the standard of care for severe or worse losses in hearing and indeed has produced the first substantial restoration of a lost or absent human sense using a medical intervention. However, the devices are not perfect and many efforts to narrow the remaining gaps between prosthetic and normal hearing are underway. Objective: To assess the present status of cochlear implants and to describe possibilities for improving them...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780962/challenging-aspects-of-contemporary-cochlear-implant-electrode-array-design
#11
REVIEW
Pavel Mistrík, Claude Jolly, Daniel Sieber, Ingeborg Hochmair
Objective: A design comparison of current perimodiolar and lateral wall electrode arrays of the cochlear implant (CI) is provided. The focus is on functional features such as acoustic frequency coverage and tonotopic mapping, battery consumption and dynamic range. A traumacity of their insertion is also evaluated. Methods: Review of up-to-date literature. Results: Perimodiolar electrode arrays are positioned in the basal turn of the cochlea near the modiolus...
December 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29780422/cochlear-implantation-in-charcot-marie-tooth-disease-case-report-and-review-of-the-literature
#12
C Lane Anzalone, Sarah Nuhanovic, Amy P Olund, Matthew L Carlson
Introduction: Charcot-Marie-Tooth (CMT) disease is a peripheral hereditary neuropathy associated with motor and sensory impairment and can result in profound sensorineural hearing loss (SNHL). Currently, the role of cochlear implantation in the setting of CMT and other progressive peripheral neurodegenerative disorders is not well established. Methods: Case report and review of the English literature. Results: A 70-year-old male with CMT was referred for evaluation of progressive asymmetric SNHL and reported a 15-year duration of deafness involving the left ear...
2018: Case Reports in Medicine
https://www.readbyqxmd.com/read/29777327/intensity-discrimination-and-speech-recognition-of-cochlear-implant-users
#13
Colette M McKay, Natalie Rickard, Katherine Henshall
The relation between speech recognition and within-channel or across-channel (i.e., spectral tilt) intensity discrimination was measured in nine CI users (11 ears). Within-channel intensity difference limens (IDLs) were measured at four electrode locations across the electrode array. Spectral tilt difference limens were measured with (XIDL-J) and without (XIDL) level jitter. Only three subjects could perform the XIDL-J task with the amount of jitter required to limit use of within-channel cues. XIDLs (normalized to %DR) were correlated with speech recognition (r = 0...
May 17, 2018: Journal of the Association for Research in Otolaryngology: JARO
https://www.readbyqxmd.com/read/29772954/electric-acoustic-stimulation-suppresses-tinnitus-in-a-subject-with-high-frequency-single-sided-deafness
#14
Griet Mertens, Vincent Van Rompaey, Paul Van de Heyning
BACKGROUND: A suggested solution to suppress tinnitus is to restore the normal sensory input. This is based on the auditory deprivation hypothesis. It is known that hearing aids can provide sufficient activation of the auditory nervous system and reduce tinnitus in subjects with mild to moderate hearing loss and that cochlear implantation can reduce tinnitus in subjects with severe to profound hearing loss. This applies to subjects with single-sided deafness (SSD) or bilateral hearing loss...
May 17, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29769169/severe-vertigo-after-cochlear-implantation-acute-pneumolabyrinth
#15
Erkan Karataş, Yüksel Toplu, Emrah Gündüz, İsmail Demir
No abstract text is available yet for this article.
May 17, 2018: Balkan Medical Journal
https://www.readbyqxmd.com/read/29768731/cochlear-implant-performance-in-children-deafened-by-congenital-cytomegalovirus-a-systematic-review
#16
V J C Kraaijenga, F Van Houwelingen, S F Van der Horst, J Visscher, J M L Huisman, E J Hollman, I Stegeman, A L Smit
BACKGROUND: Congenital cytomegalovirus (cCMV) infection is a major cause of sensorineural hearing loss in children. OBJECTIVE OF REVIEW: The objective of this systematic review was to compare performance in pediatric cochlear implant users with SNHL caused by cCMV compared to non-cCMV implantees. TYPE OF REVIEW: Systematic review. SEARCH STRATEGY: Pubmed, EMBASE and the Cochrane databases were searched from inception up to May 15th 2017 for children, cochlear implant, performance and their synonyms...
May 16, 2018: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29766759/the-role-of-temporal-cues-in-voluntary-stream-segregation-for-cochlear-implant-users
#17
Andreu Paredes-Gallardo, Sara M K Madsen, Torsten Dau, Jeremy Marozeau
The role of temporal cues in sequential stream segregation was investigated in cochlear implant (CI) listeners using a delay detection task composed of a sequence of bursts of pulses (B) on a single electrode interleaved with a second sequence (A) presented on the same electrode with a different pulse rate. In half of the trials, a delay was added to the last burst of the otherwise regular B sequence and the listeners were asked to detect this delay. As a jitter was added to the period between consecutive A bursts, time judgments between the A and B sequences provided an unreliable cue to perform the task...
January 2018: Trends in Hearing
https://www.readbyqxmd.com/read/29764788/periosteal-flap-in-cochlear-implantation-how-i-do-it
#18
Yasser Ahmed Fouad, Thomas Roland
This clinical report describes and evaluates a novel periosteal flap design. This technique was applied in 26 patients who underwent cochlear implantation surgery at two tertiary referral centers. No complications were observed during or after the surgery. Additionally, there was no evidence of device migration, wound infection, wound hematoma, or delayed wound healing. Notably, the mastoid emissary vein was intact in all cases. In conclusion, this modified anterior-based periosteal flap is a safe procedure and is aimed at avoiding mastoid emissary vein bleeding and allowing complete repositioning of the periosteum over the implanted device...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29764777/comparison-of-social-interaction-between-cochlear-implanted-children-with-normal-intelligence-undergoing-auditory-verbal-therapy-and-normal-hearing-children-a-pilot-study
#19
Leila Monshizadeh, Roshanak Vameghi, Firoozeh Sajedi, Fariba Yadegari, Seyed Basir Hashemi, Petra Kirchem, Fatemeh Kasbi
OBJECTIVE: A cochlear implant is a device that helps hearing-impaired children by transmitting sound signals to the brain and helping them improve their speech, language, and social interaction. Although various studies have investigated the different aspects of speech perception and language acquisition in cochlear-implanted children, little is known about their social skills, particularly Persian-speaking cochlear-implanted children. Considering the growing number of cochlear implants being performed in Iran and the increasing importance of developing near-normal social skills as one of the ultimate goals of cochlear implantation, this study was performed to compare the social interaction between Iranian cochlear-implanted children who have undergone rehabilitation (auditory verbal therapy) after surgery and normal-hearing children...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29764776/vestibulo-cochlear-function-after-cochlear-implantation-in-patients-with-meniere-s-disease
#20
Raquel Manrique-Huarte, Diego Calavia, Laura Alvarez-Gomez, Alicia Huarte, Nicolás Perez-Fernández, Manuel Manrique
OBJECTIVES: To measure the auditory (pure tone audiometry and word recognition scores) and vestibular (video head impulse test and vestibular myogenic potentials) outcomes in patients diagnosed with Meniere's disease (MD) who underwent cochlear implantation. MATERIAL AND METHODS: This prospective study included 23 cochlear implant users with MD and 29 patients diagnosed with far-advanced otosclerosis (the control group). RESULTS: The preoperative mean pure tone average thresholds were 99 and 122...
April 2018: Journal of International Advanced Otology
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