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Single Sided deafness

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https://www.readbyqxmd.com/read/29772954/electric-acoustic-stimulation-suppresses-tinnitus-in-a-subject-with-high-frequency-single-sided-deafness
#1
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/29729903/restoration-of-spatial-hearing-in-adult-cochlear-implant-users-with-single-sided-deafness
#2
Ruth Y Litovsky, Keng Moua, Shelly Godar, Alan Kan, Sara M Misurelli, Daniel J Lee
In recent years, cochlear implants (CIs) have been provided in growing numbers to people with not only bilateral deafness but also to people with unilateral hearing loss, at times in order to alleviate tinnitus. This study presents audiological data from 15 adult participants (ages 48 ± 12 years) with single sided deafness. Results are presented from 9/15 adults, who received a CI (SSD-CI) in the deaf ear and were tested in Acoustic or Acoustic + CI hearing modes, and 6/15 adults who are planning to receive a CI, and were tested in the unilateral condition only...
April 14, 2018: Hearing Research
https://www.readbyqxmd.com/read/29703651/sound-localization-performance-of-patients-with-single-sided-deafness-is-not-improved-when-listening-with-a-bone-conduction-device
#3
Martijn J H Agterberg, Ad F M Snik, Rens M G Van de Goor, Myrthe K S Hol, A John Van Opstal
An increased number of treatment options has become available for patients with single sided deafness (SSD), who are seeking hearing rehabilitation. For example, bone-conduction devices that employ contralateral routing of sound (CROS), by transmitting acoustic bone vibrations from the deaf side to the cochlea of the hearing ear, are widely used. However, in some countries, cochlear implantation is becoming the standard treatment. The present study investigated whether CROS intervention, by means of a CROS bone-conduction device (C-BCD), affected sound-localization performance of patients with SSD...
April 19, 2018: Hearing Research
https://www.readbyqxmd.com/read/29623771/interaural-time-difference-discrimination-as-a-measure-of-place-of-stimulation-for-cochlear-implant-users-with-single-sided-deafness
#4
Joshua G W Bernstein, Olga A Stakhovskaya, Gerald I Schuchman, Kenneth K Jensen, Matthew J Goupell
Current clinical practice in programming a cochlear implant (CI) for individuals with single-sided deafness (SSD) is to maximize the transmission of speech information via the implant, with the implicit assumption that this will also result in improved spatial-hearing abilities. However, binaural sensitivity is reduced by interaural place-of-stimulation mismatch, a likely occurrence with a standard CI frequency-to-electrode allocation table (FAT). As a step toward reducing interaural mismatch, this study investigated whether a test of interaural-time-difference (ITD) discrimination could be used to estimate the acoustic frequency yielding the best place match for a given CI electrode...
January 2018: Trends in Hearing
https://www.readbyqxmd.com/read/29578886/development-of-a-novel-bone-conduction-verification-tool-using-a-surface-microphone-validation-with-percutaneous-bone-conduction-users
#5
William Hodgetts, Dylan Scott, Patrick Maas, Lindsey Westover
OBJECTIVES: To determine if a newly-designed, forehead-mounted surface microphone would yield equivalent estimates of audibility when compared to audibility measured with a skull simulator for adult bone conduction users. DESIGN: Data was analyzed using a within subjects, repeated measures design. There were two different sensors (skull simulator and surface microphone) measuring the same hearing aid programmed to the same settings for all subjects. We were looking for equivalent results...
March 23, 2018: Ear and Hearing
https://www.readbyqxmd.com/read/29577839/single-sided-deaf-tactical-unit-officer-treated-with-cochlear-implantation
#6
Jean-Michel Bourque, Nicolas Rouleau, Mathieu Côté, Daniel Philippon, Richard Bussières
OBJECTIVES: To demonstrate the efficacy of cochlear implantation for management of a severe single-sided deaf tactical unit officer. Showing that hearing improvement provided by cochlear implantation was sufficient for him to return to work as a police tactical officer. METHODS: Case report. RESULTS: A 43 years-old man working as a tactical unit officer suffered from a work-related severe single-sided hearing loss. He tried unsuccessfully many types of hearing aids including a contralateral routing of sound (CROS) system and a bone conduction hearing aid with a headband...
March 26, 2018: Cochlear Implants International
https://www.readbyqxmd.com/read/29541197/successful-preimplantation-genetic-diagnosis-by-targeted-next-generation-sequencing-on-an-ion-torrent-personal-genome-machine-platform
#7
Yan Hao, Dawei Chen, Zhiguo Zhang, Ping Zhou, Yunxia Cao, Zhaolian Wei, Xiaofeng Xu, Beili Chen, Weiwei Zou, Mingrong Lv, Dongmei Ji, Xiaojin He
Hearing loss may place a heavy burden on the patient and patient's family. Given the high incidence of hearing loss among newborns and the huge cost of treatment and care (including cochlear implantation), prenatal diagnosis is strongly recommended. Termination of the fetus may be considered as an extreme outcome to the discovery of a potential deaf fetus, and therefore preimplantation genetic diagnosis has become an important option for avoiding the birth of affected children without facing the risk of abortion following prenatal diagnosis...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29533329/right-ear-advantage-of-speech-audiometry-in-single-sided-deafness
#8
Vincent G Wettstein, Rudolf Probst
BACKGROUND: Postlingual single-sided deafness (SSD) is defined as normal hearing in one ear and severely impaired hearing in the other ear. A right ear advantage and dominance of the left hemisphere are well established findings in individuals with normal hearing and speech processing. Therefore, it seems plausible that a right ear advantage would exist in patients with SSD. METHODS: The audiometric database was searched to identify patients with SSD. Results from the German monosyllabic Freiburg word test and four-syllabic number test in quiet were evaluated...
April 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29489587/cortical-auditory-evoked-responses-in-cochlear-implant-users-with-early-onset-single-sided-deafness-indicators-of-the-development-of-bilateral-auditory-pathways
#9
Andre Wedekind, Dayse Távora-Vieira, Gunesh P Rajan
Cochlear implantation (CI) for early-onset single-sided deafness (SSD) provides a unique insight into the development and cortical reorganization of binaural pathways. This case series aimed to investigate the impact of duration of deafness on CI outcomes as measured by cortical evoked auditory potentials (CAEPs). Four adults with early-onset SSD were studied after CI. The adults had a duration of deafness of 22, 24, 42, and 38 years before implantation. CAEPs and speech perception in noise were used to investigate binaural cortical pathways and function...
March 21, 2018: Neuroreport
https://www.readbyqxmd.com/read/29487513/corrigendum-a-quantitative-electroencephalography-study-on-cochlear-implant-induced-cortical-changes-in-single-sided-deafness-with-tinnitus
#10
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
[This corrects the article on p. 210 in vol. 11, PMID: 28572760.].
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29475379/transmastoid-implantability-of-an-active-transcutaneous-bone-conduction-implant-in-adults-with-regard-to-the-underlying-pathology-a-radiological-simulation-study
#11
Jan Peter Thomas, Konstantin van Ackeren, Stefan Dazert, Ingo Todt, Andreas Prescher, Christiane Voelter
OBJECTIVES: To compare the feasibility of transmastoid implantation of an active transcutaneous bone conduction device (BCD) in the most important pathologies of the temporal bone and the impact of implant lifts in adulthood. METHODS: First, clinical predominant pathologies for implantation of this BCD were evaluated by a literature review. Then, high-resolution CT of 240 temporal bones with neuro-otologic diseases (NOD), chronic otitis media (COM), or cholesteatoma, respectively, were investigated regarding their implantability, using a radiological simulation program...
June 2018: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/29470548/using-aided-cortical-assessment-as-an-objective-tool-to-evaluate-cochlear-implant-fitting-in-users-with-single-sided-deafness
#12
Dayse Távora-Vieira, Andre Wedekind, Roberta Marino, Suzanne C Purdy, Gunesh P Rajan
OBJECTIVES: To assess the use of cortical auditory evoked potentials (CAEPs) to verify, and if necessary, optimize the cochlear implant (CI) fitting of adult CI users with postlingual single-sided deafness (SSD). METHODS: Sound field cortical responses to the speech tokens /m/, /g/, /t/, and /s/ were recorded from input to the CI while the normal hearing ear was masked. Responses were evaluated by visual inspection and classified as presence or absence of the CAEPs components P1, N1, P2...
2018: PloS One
https://www.readbyqxmd.com/read/29395617/unilateral-congenital-hearing-loss-in-children-challenges-and-potentials
#13
REVIEW
Astrid van Wieringen, An Boudewyns, Anouk Sangen, Jan Wouters, Christian Desloovere
The estimated incidence of sensorineural hearing impairment (>40 dB HL) at birth is 1.86 per 1000 newborns in developed countries and 30-40% of these are unilateral. Profound sensorineural unilateral hearing impairment or single sided deafness (SSD) can be treated with a cochlear implant. However, this treatment is costly and invasive and unnecessary in the eyes of many. Very young children with SSD often do not exhibit language and cognitive delays and it is hard to imagine that neurocognitive skills will present difficulties with one good ear...
January 30, 2018: Hearing Research
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
#14
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
#15
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...
2017: 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
#16
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...
January 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29204665/-cochlear-implants-in-the-social-courts
#17
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...
February 2018: HNO
https://www.readbyqxmd.com/read/29203800/cortical-organization-restored-by-cochlear-implantation-in-young-children-with-single-sided-deafness
#18
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
#19
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...
January 2018: 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
#20
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...
February 5, 2018: Neuroscience Letters
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