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Single Sided deafness

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https://www.readbyqxmd.com/read/29352772/neurotransmitters-and-receptors-changes-in-medial-nucleus-of-the-trapezoid-body-mntb-of-early-developmental-rats-with-single-side-deafness
#1
Jinsheng Dai, Jinfeng Liu, Mo Zhou, Wenjiao Wang, Zhi-Qing David Xu, Ningyu Wang
BACKGROUND Congenital single-side deafness (SSD) affects sound localization even after cochlear implantation (CI) in some conditions. The medial nucleus of the trapezoid body (MNTB) plays an important role in binaural benefit and sound localization, but little is known about intrinsic molecular changes in MNTB with SSD. We aimed to observe changes in MNTB in early-developmental SSD rats, including the key neurotransmitters (GABA, Gly, Glu) and major receptors (GABAa-R/GABAb-R for GABA, Gly-R for Gly, and AMPA/NMDA for Glu)...
January 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29298446/effect-of-cochlear-implantation-on-quality-of-life-in-adults-with-unilateral-hearing-loss
#2
Margaret T Dillon, Emily Buss, Meredith A Rooth, English R King, Ellen J Deres, Craig A Buchman, Harold C Pillsbury, Kevin D Brown
OBJECTIVE: Patients with moderate-to-profound sensorineural hearing loss in 1 ear and normal hearing in the contralateral ear, known as unilateral hearing loss (UHL) or single-sided deafness (SSD), may experience improved quality of life with the use of a cochlear implant (CI) in the affected ear. Quality of life assessment before and after implantation may reveal changes to aspects of hearing beyond those explicitly evaluated with behavioral measures. METHODS: The present report completed 2 experiments investigating quality of life outcomes in CI recipients with UHL...
January 4, 2018: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/29210952/survey-of-the-american-neurotology-society-on-cochlear-implantation-part-1-candidacy-assessment-and-expanding-indications
#3
Matthew L Carlson, Douglas P Sladen, Richard K Gurgel, Nicole M Tombers, Christine M Lohse, Colin L Driscoll
OBJECTIVE: To examine practice variance of cochlear implant candidacy assessment and off-label indications across centers in the United States. METHODS: Cross-sectional survey of the American Neurotology Society (ANS). RESULTS: A total of 81 surveys were returned from ANS members who report regular involvement in cochlear implant care. Overall there was a broad distribution in age and clinical experience, with most respondents reporting ACGME accreditation in neurotology and employment at an academic center...
November 28, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29204665/-cochlear-implants-in-the-social-courts
#4
A Lottner, H Iro, A Schützenberger, U Hoppe
BACKGROUND: Since the indication for receiving a cochlear implant (CI) has widened (single-sided deafness [SSD], electric acoustic stimulation [EAS], bilateral CI, CI for long-term deafness), more and more patients come into consideration for such a treatment. Hence, disputes increasingly arise between patients and their insurance companies concerning the question of whether surgery and follow-up treatment have to be paid for by statutory health insurance. OBJECTIVE: This work provides an overview of judgments rendered by the German social courts...
December 4, 2017: HNO
https://www.readbyqxmd.com/read/29203800/cortical-organization-restored-by-cochlear-implantation-in-young-children-with-single-sided-deafness
#5
Melissa Jane Polonenko, Karen Ann Gordon, Sharon Lynn Cushing, Blake Croll Papsin
Early treatment of single sided deafness in children has been recommended to protect from neurodevelopmental preference for the better hearing ear and from social and educational deficits. A fairly homogeneous group of five young children (≤3.6 years of age) with normal right sided hearing who received a cochlear implant to treat deafness in their left ears were studied. Etiology of deafness was largely cytomegalovirus (n = 4); one child had an enlarged vestibular aqueduct. Multi-channel electroencephalography of cortical evoked activity was measured repeatedly over time at: 1) acute (0...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29182915/event-related-neuronal-responses-to-acoustic-novelty-in-single-sided-deaf-cochlear-implant-users-initial-findings
#6
Hanna Bönitz, Bruno Kopp, Andreas Büchner, Thomas Lunner, Björn Lyxell, Mareike Finke
OBJECTIVE: A cochlear implant (CI) is an auditory prosthesis restoring profound hearing loss. However, CI-transmitted sounds are degraded compared to normal acoustic hearing. We investigated cortical responses related to CI-degraded against acoustic listening. METHODS: Event-related potentials (ERPs) were recorded from eight single-sided deaf CI users who performed a three-stimulus oddball task, separately with their normal hearing ear and CI ear. The oddball tones were occasionally intermitted by novel sounds...
November 7, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29175032/convergent-and-divergent-functional-connectivity-patterns-in-patients-with-long-term-left-sided-and-right-sided-deafness
#7
Yanyang Zhang, Zhiqi Mao, Shiyu Feng, Wenxin Wang, Jun Zhang, Xinguang Yu
Cortical reorganization may be induced in long-term single-sided deafness (SD); however, the influence of the deafness side on the functional changes remains poorly understood. Here, we investigated whole-brain functional connectivity patterns in long-term SD patients. The normalized voxel-based functional connectivity strength (FCS) was determined using resting-state fMRI (rs-fMRI) in 17 left-sided deafness (LD) patients, 21 right-sided deafness (RD) patients and 21 healthy controls (HCs). Relative to the HCs, both the LD and RD patients exhibited a reduction in the FCS in the ipsilateral visual cortex...
November 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29168329/percutaneous-bone-anchored-hearing-system-implant-survival-after-550-primary-implant-surgeries
#8
T G A Calon, J van Tongeren, A M E Heuft, J W Brunings, D Bollen, J R Hof, R J Stokroos
The Bone Anchored Hearing System (BAHS) has become an established option for rehabilitation of several type of hearing impairment such as conductive hearing loss, mixed hearing loss and single sided deafness 1 . Overall good outcomes have been reported. Nevertheless, complications such as inflammation of the skin around the percutaneous abutment, pain and implant loss are related to BAHS 2 . This article is protected by copyright. All rights reserved.
November 23, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/29135878/single-sided-deafness-impact-of-cochlear-implantation-on-speech-perception-in-complex-noise-and-on-auditory-localization-accuracy
#9
Julia Döge, Uwe Baumann, Tobias Weissgerber, Tobias Rader
OBJECTIVE: To assess auditory localization accuracy and speech reception threshold (SRT) in complex noise conditions in adult patients with acquired single-sided deafness, after intervention with a cochlear implant (CI) in the deaf ear. STUDY DESIGN: Nonrandomized, open, prospective patient series. SETTING: Tertiary referral university hospital. PATIENTS: Eleven patients with late-onset single-sided deafness (SSD) and normal hearing in the unaffected ear, who received a CI...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29135863/effectiveness-in-rehabilitation-of-current-wireless-cros-technology-in-experienced-bone-anchored-implant-users
#10
Hillary A Snapp, Michael E Hoffer, Xuezhong Liu, Suhrud M Rajguru
OBJECTIVE: To compare the effectiveness of current contralateral routing of signal technology (CROS) to bone-anchored implants in experienced bone-anchored implant users with unilateral severe-profound sensorineural hearing loss. DESIGN: Prospective, within-subject repeated-measures comparison study. SETTING: Tertiary referral center. PATIENTS: Adult, English-speaking patients (n = 12) with severe-profound unilateral sensorineural hearing loss implanted with a bone-anchored implant for the indication of single-sided deafness...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/29132260/the-psychological-and-social-consequences-of-single-sided-deafness-in-adulthood
#11
Laura Lucas, Roulla Katiri, Pádraig Thomas Kitterick
OBJECTIVES: This study examined the subjective psychological and social effects of highly asymmetric hearing loss (single-sided deafness [SSD]) in adults. DESIGN: Three group interviews were conducted using the critical incident technique and analysed using an inductive thematic analysis. STUDY SAMPLE: Eight adults with a clinical diagnosis of a moderately severe hearing loss or greater in one ear and normal or near-normal hearing in the other ear...
November 13, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/29130442/outcomes-of-hearing-aid-use-by-individuals-with-unilateral-sensorineural-hearing-loss-usnhl
#12
Charles E Bishop, Elgenaid Hamadain, Jason A Galster, Mary Frances Johnson, Christopher Spankovich, Ian Windmill
BACKGROUND: Unilateral sensorineural hearing loss (USNHL) can have a negative impact on functions associated with the advantages of balanced, binaural hearing. Although single-sided deafness, which is a complete loss of audibility in one ear, has gained increased interest in the published research, there is a gap in the literature concerning hearing aid outcomes for individuals with residual, or otherwise "aidable," hearing in the affected ear. PURPOSE: To assess hearing aid outcomes for a group of individuals with USNHL with residual, aidable function...
November 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28958391/corrigendum-to-place-dependent-stimulation-rates-improve-pitch-perception-in-cochlear-implantees-with-single-sided-deafness-hear-res-339-2016-94-103
#13
Tobias Rader, Julia Döge, Youssef Adel, Tobias Weissgerber, Uwe Baumann
No abstract text is available yet for this article.
October 2017: Hearing Research
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
#14
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)...
November 2017: Cochlear Implants International
https://www.readbyqxmd.com/read/28806337/the-sound-quality-of-cochlear-implants-studies-with-single-sided-deaf-patients
#15
Michael F Dorman, Sarah Cook Natale, Austin M Butts, Daniel M Zeitler, Matthew L Carlson
OBJECTIVE: The goal of the present study was to assess the sound quality of a cochlear implant for single-sided deaf (SSD) patients fit with a cochlear implant (CI). BACKGROUND: One of the fundamental, unanswered questions in CI research is "what does an implant sound like?" Conventional CI patients must use the memory of a clean signal, often decades old, to judge the sound quality of their CIs. In contrast, SSD-CI patients can rate the similarity of a clean signal presented to the CI ear and candidate, CI-like signals presented to the ear with normal hearing...
September 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28780171/disappearance-of-contralateral-dominant-neural-activity-of-auditory-cortex-after-single-sided-deafness-in-adult-rats
#16
Min Young Lee, Doo Hee Kim, Su-Kyoung Park, Sang Beom Jun, Yena Lee, Jun-Jae Choi, Hyun Ji Yoo, Yehoash Raphael, Seung-Ha Oh
Hearing loss in mature ears can cause functional reorganization of the auditory cortex. The functional reorganization is speculated to negatively affect the outcome of hearing rehabilitation. Therefore, once hearing loss occurs, it is important to provide auditory input before extensive reorganization in the auditory pathways. We investigated the neural plasticity in auditory cortex after single-sided deafness (SSD) in an adult rat model. The animals were divided into two groups: a normal hearing (NH) and the SSD group...
August 2, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28762045/hybrid-cochlear-implantation-quality-of-life-quality-of-hearing-and-working-performance-compared-to-patients-with-conventional-unilateral-or-bilateral-cochlear-implantation
#17
Kati Härkönen, Ilkka Kivekäs, Voitto Kotti, Ville Sivonen, Juha-Pekka Vasama
The objective of the present study is to evaluate the effect of hybrid cochlear implantation (hCI) on quality of life (QoL), quality of hearing (QoH), and working performance in adult patients, and to compare the long-term results of patients with hCI to those of patients with conventional unilateral cochlear implantation (CI), bilateral CI, and single-sided deafness (SSD) with CI. Sound localization accuracy and speech-in-noise test were also compared between these groups. Eight patients with high-frequency sensorineural hearing loss of unknown etiology were selected in the study...
July 31, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28719716/the-sophono-bone-conduction-system-surgical-audiologic-and-quality-of-life-outcomes
#18
Timothy Mclean, Irumee Pai, Andrew Philipatos, Michael Gordon
We prospectively evaluated the surgical, audiologic, and quality-of-life outcomes in 5 patients-2 men and 3 women, aged 22 to 64 years (mean: 41.8)-who were implanted with the Sophono Alpha 2 MPO Processor. The indications for implantation of this bone-conduction device included recurrent ear canal infections with hearing aids (n = 3), single-sided deafness (n = 1), and patient preference in view of difficulty using a conventional hearing aid (n = 1). In addition to the patient with single-sided deafness, 3 patients had a bilateral mixed hearing loss and 1 had a bilateral conductive hearing loss...
July 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28635507/cochlear-implant-effectiveness-in-postlingual-single-sided-deaf-individuals-what-s-the-point
#19
Mareike Finke, Hanna Bönitz, Björn Lyxell, Angelika Illg
OBJECTIVES: By extending the indication criteria for cochlear implants (CI), the population of CI candidates increased in age, as well as range and type of hearing loss. This qualitative study identified factors that contributed to seek CI treatment in single-sided deaf individuals and gained insights how single-sided deafness (SSD) and hearing with a CI affect their lives. DESIGN: An open-ended questionnaire and a standardised inventory (IOI-HA) were used. Qualitative data reflecting the reasons to seek CI treatment and the individual experiences after CI switch-on were collected...
June 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28572760/a-quantitative-electroencephalography-study-on-cochlear-implant-induced-cortical-changes-in-single-sided-deafness-with-tinnitus
#20
Jae-Jin Song, Kyungsoo Kim, Woongsang Sunwoo, Griet Mertens, Paul Van de Heyning, Dirk De Ridder, Sven Vanneste, Sang-Youp Lee, Kyung-Joon Park, Hongsoo Choi, Ji-Woong Choi
The mechanism of tinnitus suppression after cochlear implantation (CI) in single-sided deafness (SSD) is not fully understood. In this regard, by comparing pre- and post-CI quantitative electroencephalography (qEEG), we explored cortical changes relevant to tinnitus improvement. In SSD patients who underwent CI, qEEG data were collected: (1) before CI, (2) 6 months post-operatively with CI-on, and (3) 30 min after CI-off and source-localized cortical activity/functional connectivity analyses were performed...
2017: Frontiers in Human Neuroscience
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