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Single Sided deafness

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
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
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
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
J F Liu, J S Dai, N Y Wang
The aim of this review was to examine the current literature regarding application of cochlear implantation on patients with unilateral sensorineural hearing loss (USNHL) for improvement on sound localization. The literature were searched in the PubMed database with 'cochlear implantation AND single-sided deafness' or 'cochlear implantation AND unilateral deafness' as keywords. The publication date of the articles was up to 2015-2-12. A total of 12 articles were included. The results show that the ability of sound localization for most of the USNHL subjects (90%) with cochlear implantation was significantly improved than that without CI, which suggests that CI is a superior auditory rehabilitation treatment than BAHA and CROS hearing aids for patients with USNHL, because of the re-establishment of the benefits of binaural hearing...
August 7, 2016: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
Hannah Glick, Anu Sharma
This review explores cross-modal cortical plasticity as a result of auditory deprivation in populations with hearing loss across the age spectrum, from development to adulthood. Cross-modal plasticity refers to the phenomenon when deprivation in one sensory modality (e.g. the auditory modality as in deafness or hearing loss) results in the recruitment of cortical resources of the deprived modality by intact sensory modalities (e.g. visual or somatosensory systems). We discuss recruitment of auditory cortical resources for visual and somatosensory processing in deafness and in lesser degrees of hearing loss...
September 6, 2016: Hearing Research
Karen Van der Gucht, Olivier Vanderveken, Evert Hamans, Jozef Claes, Vincent Van Rompaey, Paul Van de Heyning
CONCLUSIONS: Adverse skin reactions were equally distributed among age groups, surgical technique, or presence of a retroauricular incision. Implant loss was observed more frequently in children when compared to adults and elderly. OBJECTIVE: A bone conduction (osseointegrated) implant can be used for rehabilitation of patients with conductive hearing loss or single-sided deafness. The surgical technique has been modified to minimize adverse skin reactions and other complications...
September 9, 2016: Acta Oto-laryngologica
A Aschendorff, S Arndt, R Laszig, T Wesarg, F Hassepaß, R Beck
BACKGROUND: To date, the therapy of intralabyrinthine schwannoma consists mainly of a wait-and-see approach, completely ignoring auditory rehabilitation. Only a few single-case reports are as yet available on treatment with cochlear implants (CI). AIM OF THE STUDY: This study aimed to assess the results of auditory rehabilitation after treatment with CI in a series of cases. MATERIALS AND METHODS: The demographic findings, symptoms, and results of surgical therapy in 8 patients were evaluated in a retrospective analysis...
September 2, 2016: HNO
A Aschendorff, S Arndt, R Laszig, T Wesarg, F Hassepaß, R Beck
BACKGROUND: To date, the therapy of intralabyrinthine schwannoma consists mainly of a wait-and-see approach, completely ignoring auditory rehabilitation. Only a few single-case reports are as yet available on treatment with cochlear implants (CI). AIM OF THE STUDY: This study aimed to assess the results of auditory rehabilitation after treatment with CI in a series of cases. MATERIALS AND METHODS: The demographic findings, symptoms, and results of surgical therapy in 8 patients were evaluated in a retrospective analysis...
August 29, 2016: HNO
Sara Alhanbali, Piers Dawes, Simon Lloyd, Kevin J Munro
OBJECTIVE: Hearing loss may increase listening-related effort and fatigue due to the increased mental exertion required to attend to, and understand, an auditory message. Because there have been few attempts to quantify self-reported effort and fatigue in listeners with hearing loss, that was the aim of the present study. DESIGN: Participants included three groups of hearing-impaired adults: (1) hearing aid users (HA, n = 50; 31 male, 19 female; age range = 55 to 85 years); (2) cochlear implant users (CI, n = 50; 26 male, 24 female; age range = 55 to 80 years); and (3) single sided deafness (SSD, n = 50; 30 male, 20 female; age range = 58 to 80 years)...
August 18, 2016: Ear and Hearing
Jan Bouček, Jan Vokřál, Libor Černý, Martin Chovanec, Michal Zábrodský, Eduard Zvěřina, Jan Betka, Jiří Skřivan
Skull base tumors and, in particular, vestibular schwannoma (VS) are among the etiological reasons for single-sided deafness (SSD). Patients with SSD have problems in understanding speech in a noisy environment and cannot localize the direction of sounds. For the majority, this is the handicap for which they try to find a solution. Apart from CROS hearing aids, Baha is one of the most frequently used systems for SSD compensation. 38 patients with single-sided deafness after retrosigmoid removal of a vestibular schwannoma underwent testing with a Baha softband from September 2010 to August 2014...
August 16, 2016: European Archives of Oto-rhino-laryngology
Hillary A Snapp, Kari E Morgenstein, Fred F Telischi, Simon Angeli
Transcranial attenuation (TA) of bone-conducted sound has a high degree of variability by frequency and subject, which may play a role in the objective benefit of individuals with single-sided deafness (SSD) treated with a bone-anchored implant (BAI). This study sought to determine whether TA is predictive of benefit in individuals with SSD who receive a BAI. Adult, English-speaking patients with unilateral profound sensorineural hearing loss who underwent a BAI evaluation were included for study. Absolute TA values were consistent with previously published reports...
August 17, 2016: Audiology & Neuro-otology
Griet Mertens, Marc De Bodt, Paul Van de Heyning
INTRODUCTION: Cochlear implantation (CI) in subjects with unilateral profound sensorineural hearing loss was investigated. The authors of the present study demonstrated the binaural auditory outcomes in a 12- and 36-month prospective cohort outcome study. The present study aimed to do a long-term (LT) evaluation of the auditory outcomes in an analogous study group. DESIGN: LT evaluation was derived from 12 single-sided deaf (SSD) CI recipients and from 11 CI recipients with asymmetric hearing loss (AHL)...
August 10, 2016: Ear and Hearing
Hetal Marfatia, Ratna Priya, Nilam U Sathe, Shampa Mishra
Baha has proven performance and advantages for patients with aural atresia or chronic ear drainage. Being a per cutaneous osseo integrated implant the skin around the fixture is in contact with a foreign body that leads to chronic inflammatory reaction and complications such as skin irritation and overgrowth occur frequently. Challenges that are faced during Baha surgery include those during candidate selection, work up, anesthesia related as well as intra-operative and post operative complications. Ours was a retrospective and observational study where case records of 10 patients who underwent Baha surgery in the Department of E...
September 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
Sébastien Schmerber, O Deguine, M Marx, P Van de Heyning, O Sterkers, I Mosnier, P Garin, B Godey, C Vincent, F Venail, M Mondain, A Deveze, J P Lavieille, A Karkas
The objective of this study is to evaluate the safety and efficacy of a new transcutaneous bone-conduction implant (BCI BB) in patients with conductive and mixed hearing loss or with single-sided deafness (SSD), 1 year after surgical implantation. The study design is multicentric prospective, intra-subject measurements. Each subject is his/her own control. The setting is nine university hospitals: 7 French and 2 Belgian. Sixteen subjects with conductive or mixed hearing loss with bone-conduction hearing thresholds under the upper limit of 45 dB HL for each frequency from 500 to 4000 Hz, and 12 subjects with SSD (contralateral hearing within normal range) were enrolled in the study...
July 30, 2016: European Archives of Oto-rhino-laryngology
Aaron Baker, David Fanelli, Sangam Kanekar, Huseyin Isildak
OBJECTIVE: Bone-anchored hearing aid has been shown to be effective in hearing rehabilitation for conductive loss or single-sided deafness. Current FDA guidelines allow implantation in patients over 5 years old. This guideline is at least partially due to concern for thickness of bone stock at the implant site. We aim to investigate whether temporal bone thickness should be a deterrent to implantation in those younger than five. STUDY DESIGN: A retrospective review of high-resolution temporal bone computed tomographies (CTs) comparing measurements between ears with chronic disease and controls...
October 2016: Otology & Neurotology
Jake Hillyer, P Cody Buchanan, Elizabeth Elkins, Stacey D Watson, Francois Cloutier, Douglas D Backous, Alexandra Parbery-Clark
OBJECTIVE: To determine how best to modify osseointegrated (OI) devices or environmental settings to maximize hearing performance. STUDY DESIGN: Prospective cohort study. SETTING: Tertiary referral center. PATIENTS: Fourteen adults with single-sided deafness (SSD) with a minimum of 6 months OI usage and nine bilaterally normal hearing controls INTERVENTIONS: : Speech in noise (SIN) and localization ability were assessed in a multi-speaker array (R-Space) with patients repeating sentences embedded in competing noise and verbally indicating the source speaker, respectively...
September 2016: Otology & Neurotology
Tobias Rader, Julia Döge, Youssef Adel, Tobias Weissgerber, Uwe Baumann
In normal hearing, the pitch of an acoustic tone can theoretically be encoded by either the place of stimulation in the cochlea or the corresponding rate of vibration. Thus spectral attributes and temporal fine structure of an acoustic signal are naturally correlated. Cochlear implants (CIs), neural prosthetic devices that restore hearing in the profoundly hearing impaired, currently disregard this mechanism; electrical stimulation is provided at fixed electrode positions with default place independent stimulation rate assignments...
September 2016: Hearing Research
Xiaoqing Zhou, Huajun Li, John J Galvin, Qian-Jie Fu, Wei Yuan
OBJECTIVE: This study evaluated the effects of insertion depth on spatial speech perception in noise for simulations of cochlear implants (CI) and single-sided deafness (SSD). DESIGN: Mandarin speech recognition thresholds were adaptively measured in five listening conditions and four spatial configurations. The original signal was delivered to the left ear. The right ear received either no input, one of three CI simulations in which the insertion depth was varied, or the original signal...
July 1, 2016: International Journal of Audiology
Brendan P O'Connell, Jacob B Hunter, David S Haynes
PURPOSE OF REVIEW: The purpose of this manuscript is to review the initial management strategies for idiopathic sudden sensorineural hearing loss, with an emphasis on the role that steroids play in treatment of this condition, and discuss options for auditory rehabilitation of persistent unilateral hearing loss. RECENT FINDINGS: Recent data suggest that hearing improvement may be greater for patients initially treated with both systemic and intratympanic steroid when compared with those treated with systemic steroids alone...
October 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
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