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Jakobsen Y, Christensen Andersen LA, Schmidt JH. Study protocol for a randomised controlled trial evaluating the benefits from bimodal solution with cochlear implant and hearing aid versus bilateral hearing aids in patients with asymmetric speech identification scores. BMJ Open 2022; 12:e070296. [PMID: 36581413 PMCID: PMC9806092 DOI: 10.1136/bmjopen-2022-070296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
INTRODUCTION Cochlear implant (CI) and hearing aid (HA) in a bimodal solution (CI+HA) is compared with bilateral HAs (HA+HA) to test if the bimodal solution results in better speech intelligibility and self-reported quality of life. METHODS AND ANALYSIS This randomised controlled trial is conducted in Odense University Hospital, Denmark. Sixty adult bilateral HA users referred for CI surgery are enrolled if eligible and undergo: audiometry, speech perception in noise (HINT: Hearing in Noise Test), Speech Identification Scores and video head impulse test. All participants will receive new replacement HAs. After 1 month they will be randomly assigned (1:1) to the intervention group (CI+HA) or to the delayed intervention control group (HA+HA). The intervention group (CI+HA) will receive a CI on the ear with a poorer speech recognition score and continue using the HA on the other ear. The control group (HA+HA) will receive a CI after a total of 4 months of bilateral HA use.The primary outcome measures are speech intelligibility measured objectively with HINT (sentences in noise) and DANTALE I (words) and subjectively with the Speech, Spatial and Qualities of Hearing scale questionnaire. Secondary outcomes are patient reported Health-Related Quality of Life scores assessed with the Nijmegen Cochlear Implant Questionnaire, the Tinnitus Handicap Inventory and Dizziness Handicap Inventory. Third outcome is listening effort assessed with pupil dilation during HINT.In conclusion, the purpose is to improve the clinical decision-making for CI candidacy and optimise bimodal solutions. ETHICS AND DISSEMINATION This study protocol was approved by the Ethics Committee Southern Denmark project ID S-20200074G. All participants are required to sign an informed consent form.This study will be published on completion in peer-reviewed publications and scientific conferences. TRIAL REGISTRATION NUMBER NCT04919928.
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Affiliation(s)
- Yeliz Jakobsen
- Department of Oto-Rhino-Laryngology, Odense University Hospital, Odense C, Denmark
- Department of Audiology, Odense University Hospital, Odense C, Denmark
| | | | - Jesper Hvass Schmidt
- Department of Oto-Rhino-Laryngology, Odense University Hospital, Odense C, Denmark
- Department of Audiology, Odense University Hospital, Odense C, Denmark
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Nami Saber C, West N, Foghsgaard S, Cayé-Thomasen P. Cochlear implantation and simultaneous posterior semicircular canal plugging. Cochlear Implants Int 2022; 23:358-360. [PMID: 36065491 DOI: 10.1080/14670100.2022.2112547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
BACKGROUND Intractable benign paroxysmal positional vertigo (BPPV) may be treated by plugging the affected semicircular canal (SCC). A cochlear implant (CI) can diminish subjective symptoms of tinnitus. We present a case with intractable BPPV and incapacitating tinnitus who underwent surgery, simultaneously plugging his posterior SCC (PSCC) and implanting an ipsilateral CI. CASE A 50-year-old male experienced single-sided deafness (SSD) with severe ipsilateral tinnitus, and intractable BPPV related to the ipsilateral PSCC. Two years earlier, he had been treated with a bone anchored hearing system (BAHS) for his single-sided hearing loss, but his tinnitus and BPPV persisted. The patient was elected for surgical plugging of the affected SCC and was offered a simultaneous ipsilateral CI to treat his hearing loss and reduce his disabling tinnitus. The procedure was initially clinically and subjectively successful, but the tinnitus worsened, following an MRI despite regular precautions. CONCLUSION This is the first case presentation of cochlear implantation performed concurrent to plugging of the ipsilateral PSCC. The outcome of the procedure was overall successful.
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Affiliation(s)
- Camelia Nami Saber
- Department of Otorhinolaryngology Head & Neck Surgery and Audiology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Niels West
- Department of Otorhinolaryngology Head & Neck Surgery and Audiology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Søren Foghsgaard
- Department of Otorhinolaryngology Head & Neck Surgery and Audiology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Per Cayé-Thomasen
- Department of Otorhinolaryngology Head & Neck Surgery and Audiology, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University Hospital of Copenhagen, Copenhagen, Denmark
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Balkenhol T, Wallhäusser-Franke E, Rotter N, Servais JJ. Cochlear Implant and Hearing Aid: Objective Measures of Binaural Benefit. Front Neurosci 2020; 14:586119. [PMID: 33381008 PMCID: PMC7768047 DOI: 10.3389/fnins.2020.586119] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/15/2020] [Indexed: 11/13/2022] Open
Abstract
Cochlear implants (CI) improve hearing for the severely hearing impaired. With an extension of implantation candidacy, today many CI listeners use a hearing aid on their contralateral ear, referred to as bimodal listening. It is uncertain, however, whether the brains of bimodal listeners can combine the electrical and acoustical sound information and how much CI experience is needed to achieve an improved performance with bimodal listening. Patients with bilateral sensorineural hearing loss undergoing implant surgery were tested in their ability to understand speech in quiet and in noise, before and again 3 and 6 months after provision of a CI. Results of these bimodal listeners were compared to age-matched, normal hearing controls (NH). The benefit of adding a contralateral hearing aid was calculated in terms of head shadow, binaural summation, binaural squelch, and spatial release from masking from the results of a sentence recognition test. Beyond that, bimodal benefit was estimated from the difference in amplitudes and latencies of the N1, P2, and N2 potentials of the brains' auditory evoked response (AEP) toward speech. Data of fifteen participants contributed to the results. CI provision resulted in significant improvement of speech recognition with the CI ear, and in taking advantage of the head shadow effect for understanding speech in noise. Some amount of binaural processing was suggested by a positive binaural summation effect 6 month post-implantation that correlated significantly with symmetry of pure tone thresholds. Moreover, a significant negative correlation existed between binaural summation and latency of the P2 potential. With CI experience, morphology of the N1 and P2 potentials in the AEP response approximated that of NH, whereas, N2 remained different. Significant AEP differences between monaural and binaural processing were shown for NH and for bimodal listeners 6 month post-implantation. Although the grand-averaged difference in N1 amplitude between monaural and binaural listening was similar for NH and the bimodal group, source localization showed group-dependent differences in auditory and speech-relevant cortex, suggesting different processing in the bimodal listeners.
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Affiliation(s)
- Tobias Balkenhol
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
| | - Elisabeth Wallhäusser-Franke
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
| | - Nicole Rotter
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
| | - Jérôme J Servais
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Medical Center Mannheim, Heidelberg University, Mannheim, Germany
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Balkenhol T, Wallhäusser-Franke E, Rotter N, Servais JJ. Changes in Speech-Related Brain Activity During Adaptation to Electro-Acoustic Hearing. Front Neurol 2020; 11:161. [PMID: 32300327 PMCID: PMC7145411 DOI: 10.3389/fneur.2020.00161] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 02/19/2020] [Indexed: 12/17/2022] Open
Abstract
Objectives: Hearing improves significantly with bimodal provision, i.e., a cochlear implant (CI) at one ear and a hearing aid (HA) at the other, but performance shows a high degree of variability resulting in substantial uncertainty about the performance that can be expected by the individual CI user. The objective of this study was to explore how auditory event-related potentials (AERPs) of bimodal listeners in response to spoken words approximate the electrophysiological response of normal hearing (NH) listeners. Study Design: Explorative prospective analysis during the first 6 months of bimodal listening using a within-subject repeated measures design. Setting: Academic tertiary care center. Participants: Twenty-seven adult participants with bilateral sensorineural hearing loss who received a HiRes 90K CI and continued use of a HA at the non-implanted ear. Age-matched NH listeners served as controls. Intervention: Cochlear implantation. Main Outcome Measures: Obligatory auditory evoked potentials N1 and P2, and the event-related N2 potential in response to monosyllabic words and their reversed sound traces before, as well as 3 and 6 months post-implantation. The task required word/non-word classification. Stimuli were presented within speech-modulated noise. Loudness of word/non-word signals was adjusted individually to achieve the same intelligibility across groups and assessments. Results: Intelligibility improved significantly with bimodal hearing, and the N1-P2 response approximated the morphology seen in NH with enhanced and earlier responses to the words compared to their reversals. For bimodal listeners, a prominent negative deflection was present between 370 and 570 ms post stimulus onset (N2), irrespective of stimulus type. This was absent for NH controls; hence, this response did not approximate the NH response during the study interval. N2 source localization evidenced extended activation of general cognitive areas in frontal and prefrontal brain areas in the CI group. Conclusions: Prolonged and spatially extended processing in bimodal CI users suggests employment of additional auditory-cognitive mechanisms during speech processing. This does not reduce within 6 months of bimodal experience and may be a correlate of the enhanced listening effort described by CI listeners.
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Mallen JR, Chiu J, Marquis H, Ottochian A, Perez E, Kuo CL, Otto S, Ryan T, Roberts DS. Quantifying tinnitus suppression in cochlear implantation using tinnitus interval-limited tracking. Laryngoscope 2019; 130:2047-2052. [PMID: 31800110 DOI: 10.1002/lary.28414] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 09/26/2019] [Accepted: 10/23/2019] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Quantify the effects of cochlear implants (CI) on tinnitus suppression in patients with previous cochlear implantation using a novel audiologic sequence: Tinnitus Interval Limited Tracking (TILT). STUDY DESIGN Prospective cohort study. METHODS Consecutive patients with tinnitus and previous cochlear implantation for profound hearing loss underwent an audiologic testing sequence called TILT. Patients rated tinnitus severity using the validated Tinnitus Handicap Inventory (THI) as well as a visual analog scale at baseline and in a variety of audiologic scenarios. Changes in tinnitus severity between scenarios allow for the isolation of the effects of masking and electrical stimulation on the reduction of tinnitus. RESULTS Twenty patients were enrolled, 10 of whom have tinnitus with average THI 30.2 (standard deviation 22.6). Patients had an acute decrease in tinnitus severity when their CIs were turned on, even in the absence of noise in a soundproof booth. This effect reversed once the CIs were turned off. This effect was greater in magnitude than with masking that occurred with the presentation of soft speech. Acute tinnitus severity trended toward improvement with increased level of presented speech. Degree of improvement was not correlated with THI. CONCLUSION Acute tinnitus suppression in patients using CIs is multifactorial. Masking plays a role; however, it cannot sufficiently account for the totality of symptom improvement experienced by CI patients. Quantifiable tinnitus suppression observed when a CI is turned on, even in the absence of audiologic stimulation, suggests that electrical stimulation is involved in the mechanism of symptom improvement in these patients. LEVEL OF EVIDENCE 4 Laryngoscope, 130: 2047-2052, 2020.
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Affiliation(s)
- Jonathan R Mallen
- Department of Surgery, Division of Otolaryngology, University of Connecticut Health, Farmington, Connecticut
| | - Jerlon Chiu
- University of Connecticut Medical School, University of Connecticut Health, Farmington, Connecticut
| | - Hillary Marquis
- Department of Audiology, University of Connecticut Health, Farmington, Connecticut
| | - Amanda Ottochian
- Department of Audiology, University of Connecticut Health, Farmington, Connecticut
| | - Erin Perez
- Department of Audiology, University of Connecticut Health, Farmington, Connecticut
| | - Chia-Ling Kuo
- Connecticut Institute for Clinical and Translational Science, University of Connecticut Health, Farmington, Connecticut
| | - Steve Otto
- House Clinic and House Ear Institute, Los Angeles, California, U.S.A
| | - Tessa Ryan
- Department of Surgery, Division of Otolaryngology, University of Connecticut Health, Farmington, Connecticut
| | - Daniel S Roberts
- Department of Surgery, Division of Otolaryngology, University of Connecticut Health, Farmington, Connecticut
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Aaron KA, Mudry AC. History of Cranial Nerve-Implanted Stimulators in Otolaryngology. Otolaryngol Clin North Am 2019; 53:1-19. [PMID: 31699407 DOI: 10.1016/j.otc.2019.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This article aims to clearly understand the historical development of cranial nerve-implanted stimulators in otolaryngology. The authors also discuss cranial nerve history; initial theory of the functional concept of animal spirit; electrical nerve impulse theory; first electrical otolaryngology cranial nerve stimulation devices; and the development of implanted stimulators.
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Affiliation(s)
- Ksenia A Aaron
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, CA, USA.
| | - Albert C Mudry
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford, CA, USA
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Van Eeckhoutte M, Spirrov D, Wouters J, Francart T. Objective Binaural Loudness Balancing Based on 40-Hz Auditory Steady-State Responses. Part II: Asymmetric and Bimodal Hearing. Trends Hear 2018; 22:2331216518805363. [PMID: 30334496 PMCID: PMC6196612 DOI: 10.1177/2331216518805363] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In Part I, we investigated 40-Hz auditory steady-state response (ASSR) amplitudes for the use of objective loudness balancing across the ears for normal-hearing participants and found median across-ear ratios in ASSR amplitudes close to 1. In this part, we further investigated whether the ASSR can be used to estimate binaural loudness balance for listeners with asymmetric hearing, for whom binaural loudness balancing is of particular interest. We tested participants with asymmetric hearing and participants with bimodal hearing, who hear with electrical stimulation through a cochlear implant (CI) in one ear and with acoustical stimulation in the other ear. Behavioral loudness balancing was performed at different percentages of the dynamic range. Acoustical carrier frequencies were 500, 1000, or 2000 Hz, and CI channels were stimulated in apical or middle regions in the cochlea. For both groups, the ASSR amplitudes at balanced loudness levels were similar for the two ears, with median ratios between left and right ear stimulation close to 1. However, individual variability was observed. For participants with asymmetric hearing loss, the difference between the behavioral balanced levels and the ASSR-predicted balanced levels was smaller than 10 dB in 50% and 56% of cases, for 500 Hz and 2000 Hz, respectively. For bimodal listeners, these percentages were 89% and 60%. Apical CI channels yielded significantly better results (median difference near 0 dB) than middle CI channels, which had a median difference of −7.25 dB.
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Affiliation(s)
| | | | - Jan Wouters
- 1 ExpORL, Department of Neurosciences, KU Leuven, Belgium
| | - Tom Francart
- 1 ExpORL, Department of Neurosciences, KU Leuven, Belgium
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Wallhäusser-Franke E, Balkenhol T, Hetjens S, Rotter N, Servais JJ. Patient Benefit Following Bimodal CI-provision: Self-reported Abilities vs. Hearing Status. Front Neurol 2018; 9:753. [PMID: 30250450 PMCID: PMC6139334 DOI: 10.3389/fneur.2018.00753] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 08/20/2018] [Indexed: 01/09/2023] Open
Abstract
Objectives: Patient-reported outcomes gain importance for the assessment of auditory abilities in cochlear implant users and for the evaluation of auditory rehabilitation. Aims of the study were to explore the interrelation of self-reported improvements in auditory ability with improvements in speech comprehension and to identify factors other than audiological improvement that affect self-reported auditory ability. Study Design: Explorative prospective analysis using a within-subjects repeated measures design. Setting: Academic tertiary care center. Participants: Twenty-seven adult participants with bilateral sensorineural hearing loss who received a HiRes 90K CI and continued use of a HA at the non-implanted ear (bimodal hearing). Intervention: Cochlear implantation. Main Outcome Measures: Self-reported auditory ability/disability assessed by the comparative version of the Speech, Spatial and Qualities of Hearing Scale (SSQ-B), and monosyllable as well as sentence comprehension in quiet and within speech modulated noise from different directions assessed pre- as well as 3 and 6 months post-implantation. Results: Data of 17 individuals were analyzed. At the endpoint of the study, improvement of self-reported auditory ability was significant. Regarding audiometric measures, significant improvement was seen for CI-aided pure tone thresholds, for monaural CI-assisted and bimodal sentence comprehension in quiet and in speech-modulated noise that was presented from the same source or at the side of the HA-ear. Correlations between self-reported and audiometric improvements remained weak, with the exception of the improvement seen for monaural CI-aided sentence comprehension in quiet and self-perceived improvement of sound quality. Considerable correlations existed between self-reported improvements and current level of depression and anxiety, and with general self-efficaciousness. Regression analyses substantiated a positive influence of self-efficaciousness on self-reported improvement in speech comprehension and between the improvement of monaural CI-aided sentence comprehension in quiet and perceived sound quality as well as a negative influence of anxiety on self-reported improvement in spatial hearing. Self-reported improvements were significantly better in the subgroup with intensive as compared to regular rehabilitation. Conclusions: Self-reported auditory ability/disability represents an important measure for the success of bimodal CI-provision. It is influenced by personal and mental health factors that may improve CI-rehabilitation results if addressed during rehabilitation.
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Affiliation(s)
- Elisabeth Wallhäusser-Franke
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Hospital Mannheim, Heidelberg University, Mannheim, Germany
| | - Tobias Balkenhol
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Hospital Mannheim, Heidelberg University, Mannheim, Germany
| | - Svetlana Hetjens
- Institute of Medical Statistics and Biomathematics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Nicole Rotter
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Hospital Mannheim, Heidelberg University, Mannheim, Germany
| | - Jerome J Servais
- Department of Otorhinolaryngology Head and Neck Surgery, Medical Faculty Mannheim, University Hospital Mannheim, Heidelberg University, Mannheim, Germany
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Wallhäusser-Franke E, D'Amelio R, Glauner A, Delb W, Servais JJ, Hörmann K, Repik I. Transition from Acute to Chronic Tinnitus: Predictors for the Development of Chronic Distressing Tinnitus. Front Neurol 2017; 8:605. [PMID: 29209267 PMCID: PMC5701924 DOI: 10.3389/fneur.2017.00605] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 10/30/2017] [Indexed: 11/21/2022] Open
Abstract
Background Acute tinnitus and its transition to chronic tinnitus are poorly investigated, and factors associated with amelioration versus exacerbation are largely unknown. Aims of this study were to identify early predictors for the future development of tinnitus severity. Method Patients with tinnitus of no longer than 4 weeks presenting at an otolaryngologist filled out questionnaires at inclusion (T1), as well as 3 (T3), and 6 months (T4) after tinnitus onset. 6 weeks after onset, an interview was conducted over the phone (T2). An audiogram was taken at T1, perceived tinnitus loudness, and tinnitus-related distress were assessed separately and repeatedly together with oversensitivity to external sounds and the levels of depression and anxiety. Furthermore, coping strategies with illness were recorded. Results Complete remission until T4 was observed in 11% of the 47 participants, while voiced complaints at onset were stable in the majority. In the subgroup with a relevant level of depression at T1, tinnitus-related distress worsened in 30% until T4. For unilateral tinnitus, perceived loudness in the chronic condition correlated strongly with hearing loss at 2 kHz on the tinnitus ear, while a similar correlation was not found for tinnitus located to both ears or within the head. Conclusion Results suggest early manifestation of tinnitus complaints, and stress the importance of screening all patients presenting with acute tinnitus for levels of depression and tinnitus-related distress. Furthermore, hearing levels should be monitored, and use of hearing aids should be considered to reduce tinnitus loudness after having ascertained that sound sensitivity is within normal range.
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Affiliation(s)
- Elisabeth Wallhäusser-Franke
- Otorhinolaryngology, Phoniatrics and Audiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Roberto D'Amelio
- Department of Internal Medicine IV and Neurocenter, Saarland University Medical Center, Saarland University, Homburg, Germany
| | - Anna Glauner
- Otorhinolaryngology, Phoniatrics and Audiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Wolfgang Delb
- Otorhinolaryngology, Phoniatrics and Audiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jérôme J Servais
- Otorhinolaryngology, University Medical Centre Mannheim, Mannheim, Germany
| | - Karl Hörmann
- Otorhinolaryngology, Phoniatrics and Audiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Otorhinolaryngology, University Medical Centre Mannheim, Mannheim, Germany
| | - Ines Repik
- Otorhinolaryngology, University Medical Centre Mannheim, Mannheim, Germany
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