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Single Sided deafness

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https://www.readbyqxmd.com/read/28219180/-advances-in-effect-of-unilateral-auditory-deprivation-on-sound-localization
#1
J F Liu, J S Dai, N Y Wang
In patients with single-sided deafness (SSD), the interaural time difference and the interaural level difference signals are insufficient or missing, which result in the lack of sound localization ability and the decrease of speech comprehension in the noise environments. SSD can also cause the morphological and functional changes of the central auditory system, resulting in auditory deprivation. In early stage of the development, the auditory center is more susceptible to ambient environment and auditory inputs...
February 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28196001/efficacy-of-bone-anchored-hearing-aids-in-single-sided-deafness-a-systematic-review
#2
Gaeun Kim, Hyun Mi Ju, Sun Hee Lee, Hee-Soon Kim, Jeong A Kwon, Young Joon Seo
OBJECTIVES: Bone-anchored hearing aids (BAHAs) have been known to partially restore some of the functions lost in subjects with single-sided deafness (SSD). Our aims in this systemic review were to analyze the present capabilities of BAHAs in the context of SSD, and to evaluate the efficacy of BAHAs in improving speech recognition in noisy conditions, sound localization, and subjective outcomes. DESIGN: A systematic search was undertaken until August 2015 by two independent reviewers, with disagreements resolved by consensus...
February 10, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28188882/intelligibility-in-speech-maskers-with-a-binaural-cochlear-implant-sound-coding-strategy-inspired-by-the-contralateral-medial-olivocochlear-reflex
#3
Enrique A Lopez-Poveda, Almudena Eustaquio-Martín, Joshua S Stohl, Robert D Wolford, Reinhold Schatzer, José M Gorospe, Santiago Santa Cruz Ruiz, Fernando Benito, Blake S Wilson
We have recently proposed a binaural cochlear implant (CI) sound processing strategy inspired by the contralateral medial olivocochlear reflex (the MOC strategy) and shown that it improves intelligibility in steady-state noise (Lopez-Poveda et al., 2016, Ear Hear 37:e138-e148). The aim here was to evaluate possible speech-reception benefits of the MOC strategy for speech maskers, a more natural type of interferer. Speech reception thresholds (SRTs) were measured in six bilateral and two single-sided deaf CI users with the MOC strategy and with a standard (STD) strategy...
February 7, 2017: Hearing Research
https://www.readbyqxmd.com/read/28188428/cochlear-implant-treatment-of-patients-with-single-sided-deafness-or-asymmetric-hearing-loss
#4
S Arndt, R Laszig, A Aschendorff, F Hassepass, R Beck, T Wesarg
BACKGROUND: The rehabilitation of patients with single-sided deafness (SSD) or asymmetric hearing loss can be achieved with conventional (Bi)CROS hearing aids ((Bi)CROS-HA, (Bi)CROS), bone conduction devices (BCI) or with cochlear implants (CI). Unfortunately, only small case series have been published on the treatment outcomes in SSD patients after CI surgery and there are only a few comparative studies evaluating rehabilitation outcomes. OBJECTIVE: The aim of this study was to provide evidence of successful treatment of SSD and asymmetric hearing loss with a CI compared to the untreated, monaural hearing condition and the therapy options of BCI and (Bi)CROS in a large number of patients...
February 10, 2017: HNO
https://www.readbyqxmd.com/read/28132726/cochlear-implantation-for-single-sided-deafness-and-tinnitus-suppression
#5
Jourdan T Holder, Brendan O'Connell, Andrea Hedley-Williams, George Wanna
OBJECTIVE: To quantify the potential effectiveness of cochlear implantation for tinnitus suppression in patients with single-sided deafness using the Tinnitus Handicap Inventory. METHODS: The study included 12 patients with unilateral tinnitus who were undergoing cochlear implantation for single-sided deafness. The Tinnitus Handicap Inventory was administered at the patient's cochlear implant candidacy evaluation appointment prior to implantation and every cochlear implant follow-up appointment, except activation, following implantation...
January 19, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28125846/-results-of-speech-audiometry-testing-in-case-of-transcranial-cros-depend-on-duration-of-deafness
#6
Alexander Müller, Thomas Hocke, Horst Hessel, Parwis Mir-Salim
In single sided deafness, treatment with transcranial CROS makes pseudo stereophonic listening possible. This leads to improved speech understanding in noise. However, several reports show large variations between the individual results of the benefit by speech audiometry in noise. One possible factor is the duration and changes in the auditory pathway between the onset of deafness to CROS supply. 18 patients with single sided deafness have tested a transcranial CROS supply. The speech intelligibility thresholds were evaluated in 2 spatial hearing situations each with CROS and unaided...
January 26, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28068302/first-report-linear-incision-for-placement-of-a-magnetically-coupled-bone-anchored-hearing-implant
#7
Jonnae Y Barry, Saranya Reghunathan, Abraham Jacob
OBJECTIVES: Discuss use of a linear incision for placement of a magnetically coupled bone anchored hearing implant. METHODS: Case series. RESULTS: Two patients underwent placement of magnetically coupled bone-anchored hearing implants (BAHI) through linear incisions. The first, a 40-year-old female with congenital single-sided deafness, previously had successful implantation of a percutaneous bone anchored hearing implant through a linear incision; unfortunately, she developed pain and intermittent drainage at her abutment site with time, resulting in a request for removal of her device...
February 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28063244/single-sided-deafness-affects-language-and-auditory-development-a-case-control-study
#8
A Sangen, L Royackers, C Desloovere, J Wouters, A van Wieringen
OBJECTIVES: To examine auditory, linguistic and cognitive outcomes of children with single-sided deafness (SSD). An increasing body of research suggests that children with SSD lag behind with respect to their normal hearing (NH) peers. In this study, we tap into certain developmental skills. DESIGN: Case-control study. PARTICIPANTS: Twenty-one children with SSD between 5 and 15 years of age participated. Per child with SSD, two NH control children were matched on age and gender...
January 7, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28057487/contralateral-electrically-evoked-suppression-of-transient-evoked-otoacoustic-emissions-in-single-sided-deaf-patients
#9
Oliver Christian Dziemba, Daniel Grafmans, Stephan Merz, Thomas Hocke
No abstract text is available yet for this article.
January 3, 2017: Hearing Research
https://www.readbyqxmd.com/read/28002083/the-effect-of-interaural-mismatches-on-contralateral-unmasking-with-single-sided-vocoders
#10
Jessica M Wess, Douglas S Brungart, Joshua G W Bernstein
OBJECTIVES: Cochlear-implant (CI) users with single-sided deafness (SSD)-that is, one normal-hearing (NH) ear and one CI ear-can obtain some unmasking benefits when a mixture of target and masking voices is presented to the NH ear and a copy of just the masking voices is presented to the CI ear. NH listeners show similar benefits in a simulation of SSD-CI listening, whereby a mixture of target and masking voices is presented to one ear and a vocoded copy of the masking voices is presented to the opposite ear...
December 19, 2016: Ear and Hearing
https://www.readbyqxmd.com/read/27995277/-cochlear-implant-treatment-of-patients-with-single-sided-deafness-or-asymmetric-hearing-loss-german-version
#11
S Arndt, R Laszig, A Aschendorff, F Hassepass, R Beck, T Wesarg
BACKGROUND: The rehabilitation of patients with single-sided deafness (SSD) or asymmetric hearing loss can be achieved with conventional (bilateral) contralateral routing of signals ((Bi)CROS) hearing aids ((Bi)CROS-HA, (Bi)CROS), bone-anchored hearing systems (BAHS) or cochlear implants (CI). To date, only small case series have been published on treatment outcomes in SSD patients after CI surgery and there are only a few comparative studies evaluating rehabilitation outcomes. OBJECTIVE: The aim of this study was to provide evidence of successful treatment of SSD and asymmetric hearing loss with a CI compared to the untreated monaural hearing condition and the BAHS and (Bi)CROS treatment options in a large number of patients...
December 19, 2016: HNO
https://www.readbyqxmd.com/read/27905206/long-term-benefit-of-bone-anchored-hearing-systems-in-single-sided-deafness
#12
Martin Kompis, Wilhelm Wimmer, Marco Caversaccio
CONCLUSION: Bone Anchored Hearing Systems (BAHS) can be expected to still be used by ∼85% of patients with single sided deafness (SSD) 5 years after implantation, and by ∼50% after 10 years. OBJECTIVES: To investigate the long-term use of BAHS and the reasons to stop. METHOD: This was a retrospective chart review of all 33 German speaking adults with SSD who had been implanted with a BAHS at one center and of whom the implant status and use of the BAHS were known...
December 1, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27896671/a-comparison-of-the-brainstem-auditory-evoked-response-in-healthy-ears-of-unilaterally-deaf-dogs-and-bilaterally-hearing-dogs
#13
M Plonek, J Nicpoń, K Kubiak, M Wrzosek
AIMS: Auditory plasticity in response to unilateral deafness has been reported in various animal species. Subcortical changes occurring in unilaterally deaf young dogs using the brainstem auditory evoked response have not been evaluated yet. The aim of this study was to assess the brainstem auditory evoked response findings in dogs with unilateral hearing loss, and compare them with recordings obtained from healthy dogs. METHODS: Brainstem auditory evoked responses (amplitudes and latencies of waves I, II, III, V, the V/I wave amplitude ratio, wave I-V, I-III and III-V interpeak intervals) were studied retrospectively in forty-six privately owned dogs, which were either unilaterally deaf or had bilateral hearing...
March 2017: Veterinary Research Communications
https://www.readbyqxmd.com/read/27866186/consequences-of-stimulus-type-on-higher-order-processing-in-single-sided-deaf-cochlear-implant-users
#14
Mareike Finke, Pascale Sandmann, Hanna Bönitz, Andrej Kral, Andreas Büchner
Single-sided deaf subjects with a cochlear implant (CI) provide the unique opportunity to compare central auditory processing of the electrical input (CI ear) and the acoustic input (normal-hearing, NH, ear) within the same individual. In these individuals, sensory processing differs between their two ears, while cognitive abilities are the same irrespectively of the sensory input. To better understand perceptual-cognitive factors modulating speech intelligibility with a CI, this electroencephalography study examined the central-auditory processing of words, the cognitive abilities, and the speech intelligibility in 10 postlingually single-sided deaf CI users...
2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27824733/outcomes-of-bone-anchored-hearing-aids-baha-for-single-sided-deafness-in-nontraditional-candidates
#15
Seth R Schwartz, Deborah Kobylk
OBJECTIVE: To assess both quality of life (QOL) and hearing outcomes in bone anchored hearing aid (BAHA) users for single sided deafness with 1) less than total hearing loss in the deaf ear, or 2) some degree of hearing loss in the better ear and compare them to traditional candidates. STUDY DESIGN: Prospective comparative cohort study. SETTING: Tertiary referral center. PATIENTS: Patients with a BAHA for single sided deafness were assigned into groups based on hearing thresholds in the deaf ear (> or <90 dBHL) and the control ear (> or <25 dBHL)...
December 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27789255/electro-acoustic-pitch-matching-experiments-in-patients-with-single-sided-deafness-and-a-cochlear-implant-is-there-a-need-for-adjustment-of-the-default-frequency-allocation-tables
#16
Jeroen P M Peters, Edwin Bennink, Wilko Grolman, Gijsbert A van Zanten
Patients with single-sided deafness (SSD) and a cochlear implant (CI) can compare the pitch of stimulated electrodes and acoustic tones. A pitch mismatch may negatively bear on the fusion of the signals from the two ears, which may limit auditory performance. We aimed to explore this mismatch, correlate it to performance, and finally to discuss its possible clinical consequences. Ten patients with SSD and a CI (Cochlear Ltd.) compared the pitch of electrical and acoustic stimuli. Patients had to choose one of two acoustic stimuli, with the pitch closest to the pitch of the electrical stimulus at electrodes 3, 7, 11, 15, and 19...
October 24, 2016: Hearing Research
https://www.readbyqxmd.com/read/27733813/three-year-experience-with-the-cochlear-baha-attract-implant-a-systematic-review-of-the-literature
#17
Panagiotis A Dimitriadis, Matthew R Farr, Ahmed Allam, Jaydip Ray
BACKGROUND: Bone conduction devices are widely used and indicated in cases of conductive, mixed or single sided deafness where conventional hearing aids are not indicated or tolerated. Percutaneous bone-conduction devices gave satisfactory hearing outcomes but were frequently complicated by soft tissue reactions. Transcutaneous bone conduction devices were developed in order to address some of the issues related to the skin-penetrating abutment. The aim of this article is to present a systematic review of the indications, surgical technique and audiological, clinical and functional outcomes of the BAHA Attract device reported so far...
2016: BMC Ear, Nose, and Throat Disorders
https://www.readbyqxmd.com/read/27688594/the-p1-biomarker-for-assessing-cortical-maturation-in-pediatric-hearing-loss-a-review
#18
Anu Sharma, Hannah Glick, Emily Deeves, Erin Duncan
We review evidence for a high degree of neuroplasticity of the central auditory pathways in early childhood, citing evidence of studies of the P1 and N1 cortical auditory evoked potentials in congenitally deaf children receiving cochlear implants at different ages during childhood, children with auditory neuropathy spectrum disorder and children with hearing loss and comorbid multiple disabilities. We discuss neuroplasticity, including cortico-cortical de-coupling and cross-modal re-organization that occurs in deafness...
December 2015: Otorinolaringologia
https://www.readbyqxmd.com/read/27631660/adult-cochlear-implant-users-are-able-to-discriminate-basic-tonal-features-in-musical-patterns-evidence-from-event-related-potentials
#19
Anja Hahne, Alexander Mainka, Annegret Leuner, Dirk Mürbe
OBJECTIVE: Measurement of electrophysiological correlates of discrimination abilities of basic musical features in pre- and postlingually deafened adult cochlear implant (CI) users. STUDY DESIGN: Electroencephalographic study. Comparison between CI users and matched normal hearing controls. PATIENTS: Thirty-six hearing impaired adults using a cochlear implant for 4 to 15 months. Profound hearing impairment was acquired either before (N = 12) or after language acquisition (N = 17)...
October 2016: Otology & Neurotology
https://www.readbyqxmd.com/read/27631656/functional-result-after-cochlear-implantation-in-children-and-adults-with-single-sided-deafness
#20
Torsten Rahne, Stefan K Plontke
BACKGROUND: Patients with single-sided deafness (SSD) suffer from reduced binaural hearing (i.e., sound localization and speech in noise discrimination). Cochlear implantation has recently been introduced for patients with SSD, as an alternative to hearing devices that employ contralateral routing of the signal. Application to children has also been started. METHODS: We retrospectively analyze a case series of 4 children and 17 adults with SSD, treated with cochlear implantation...
October 2016: Otology & Neurotology
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