Residual Hearing Thresholds in Cochlear Implantation and Reimplantation

2007 ◽  
Vol 12 (3) ◽  
pp. 165-169 ◽  
Author(s):  
Walter Di Nardo ◽  
Italo Cantore ◽  
Francesca Cianfrone ◽  
Pietro Melillo ◽  
Mario Rigante ◽  
...  
Keyword(s):  
Cochlear Implantation ◽  
Residual Hearing ◽  
Hearing Thresholds

Delayed loss of residual hearing in Clarion® cochlear implant users

2003 ◽  
Vol 117 (11) ◽  
pp. 850-853 ◽  
Author(s):  
M. Barbara ◽  
A. Mattioni ◽  
S. Monini ◽  
I. Chiappini ◽  
F. Ronchetti ◽  
...  
Keyword(s):  
Cochlear Implant ◽  
Cochlear Implantation ◽  
Pure Tone ◽  
Hearing Threshold ◽  
Auditory Threshold ◽  
Residual Hearing ◽  
Equal Distribution ◽  
Hearing Thresholds ◽  
Number Of Patients ◽  
Over Time

Hearing threshold has been measured in a group of patients following cochlear implantation with a Clarion® device for the last eight years. The patients had received either a pre-curved carrier or the Hi-Focus I plus Electrode Positioner System (EPS). The assessment was carried out within the first post-operative week as well as at a later stage, between six and 87 months, post-operatively. Residual hearing thresholds were still measurable early after surgery in 24.5 per cent of the patients, without differences between the two different Clarion® models. However, the number of subjects with measurable hearing dropped to 16.3 per cent as observed when hearing was measured at a later stage, with an equal distribution between the two groups of patients. From this study it has been possible to observe that only a limited number of patients maintain residual hearing after Clarion® cochlear implantation, and that this tends to decrease further over time. Nevertheless, the performance of these patients for speech tests did not appear to be affected by deterioration of the pure-tone auditory threshold.

scholarly journals The Clinical Effects of Steroids Therapy in the Preserving Residual Hearing after Cochlear Implantation with the OTICON Neuro Zti EVO

2021 ◽  
Vol 10 (13) ◽  
pp. 2868
Author(s):  
Magdalena B. Skarzynska ◽  
Aleksandra Kolodziejak ◽  
Elżbieta Gos ◽  
Piotr H. Skarzynski
Keyword(s):  
Cochlear Implant ◽  
Body Mass ◽  
Steroid Therapy ◽  
Cochlear Implantation ◽  
Control Group ◽  
Clinical Effects ◽  
Residual Hearing ◽  
Intravenous Steroid ◽  
Hearing Thresholds ◽  
Implant System

Background: A prospective clinical study was conducted to investigate whether two different pharmacotherapy strategies of steroid administration impact hearing preservation in adult patients who underwent cochlear implantation with the Oticon Medical Neuro cochlear implant system. Methods: Twenty nine adult participants were included. Pure tone audiometry was performed before implantation, during processor activation and 12 months after activation. There were three treatment groups: (1) intravenous steroid therapy (standard steroid therapy with dexamethasone administrated intravenously at the dose 0.1 mg/kg body mass twice a day); (2) combined oral and intravenous steroid therapy (extended steroid therapy with dexamethasone administrated intravenously at the dose 0.1 mg/kg b.m. twice a day and prednisone (orally) at the dose 1 mg/kg body mass/24 h), and (3) no steroid therapy (a control group). Patients’ hearing thresholds before implantation were on average 103 dB HL, 89 dB HL, and 93 dB HL, respectively. Results: Deterioration of hearing thresholds was observed in all three patients’ groups. Twelve months after surgery the patients with and without steroid therapy had similar hearing thresholds. Conclusions: The steroid regimen used in this study did not play a significant role in patients with non-functional residual hearing, who underwent cochlear implantation with the Oticon Medical Neuro cochlear implant system.

The benefits of preserving residual hearing following cochlear implantation: a systematic review

2021 ◽  
pp. 1-17
Author(s):  
Simone Schaefer ◽  
Maryam Sahwan ◽  
Aleksandra Metryka ◽  
Karolina Kluk ◽  
Iain A. Bruce
Keyword(s):  
Systematic Review ◽  
Cochlear Implantation ◽  
Residual Hearing

scholarly journals Effects of Residual Hearing on the Auditory Steady State Response for Cochlear Implantation in Children

2019 ◽  
Vol 23 (3) ◽  
pp. 153-159
Author(s):  
Young Seok Kim ◽  
Sun A Han ◽  
Hyunjun Woo ◽  
yung-Whan Suh ◽  
Jun Ho Lee ◽  
...  
Keyword(s):  
Steady State ◽  
Cochlear Implantation ◽  
Residual Hearing ◽  
Steady State Response ◽  
State Response ◽  
Auditory Steady State Response

scholarly journals Effects of intraoperatively applied glucocorticoid hydrogels on residual hearing and foreign body reaction in a guinea pig model of cochlear implantation

2015 ◽  
Vol 135 (4) ◽  
pp. 313-319 ◽  
Author(s):  
Clemens Honeder ◽  
Lukas David Landegger ◽  
Elisabeth Engleder ◽  
Franz Gabor ◽  
Roberto Plasenzotti ◽  
...  
Keyword(s):  
Foreign Body ◽  
Guinea Pig ◽  
Cochlear Implantation ◽  
Foreign Body Reaction ◽  
Pig Model ◽  
Residual Hearing ◽  
Guinea Pig Model

Preservation of Residual Hearing in Cochlear Implantation

2004 ◽  
Vol 131 (2) ◽  
pp. P267-P268
Author(s):  
Elizabeth Shugert Willingham ◽  
Spiros Manolidis
Keyword(s):  
Cochlear Implantation ◽  
Residual Hearing

scholarly journals Electroacoustic Stimulation: Now and into the Future

2014 ◽  
Vol 2014 ◽  
pp. 1-17 ◽  
Author(s):  
S. Irving ◽  
L. Gillespie ◽  
R. Richardson ◽  
D. Rowe ◽  
J. B. Fallon ◽  
...  
Keyword(s):  
Cochlear Implants ◽  
Cochlear Implantation ◽  
Auditory Pathway ◽  
Acoustic Stimulation ◽  
Music Appreciation ◽  
Residual Hearing ◽  
Current Field ◽  
Eligibility Criteria ◽  
Gene Therapies ◽  
Current Trends

Cochlear implants have provided hearing to hundreds of thousands of profoundly deaf people around the world. Recently, the eligibility criteria for cochlear implantation have been relaxed to include individuals who have some useful residual hearing. These recipients receive inputs from both electric and acoustic stimulation (EAS). Implant recipients who can combine these hearing modalities demonstrate pronounced benefit in speech perception, listening in background noise, and music appreciation over implant recipients that rely on electrical stimulation alone. The mechanisms bestowing this benefit are unknown, but it is likely that interaction of the electric and acoustic signals in the auditory pathway plays a role. Protection of residual hearing both during and following cochlear implantation is critical for EAS. A number of surgical refinements have been implemented to protect residual hearing, and the development of hearing-protective drug and gene therapies is promising for EAS recipients. This review outlines the current field of EAS, with a focus on interactions that are observed between these modalities in animal models. It also outlines current trends in EAS surgery and gives an overview of the drug and gene therapies that are clinically translatable and may one day provide protection of residual hearing for cochlear implant recipients.

Changes in Residual Hearing after Cochlear Implantation

2000 ◽  
pp. 397-400
Author(s):  
E.K.S. Leung ◽  
T.K.C. Wong ◽  
M.C.F. Tong ◽  
C.A. van Hasselt
Keyword(s):  
Cochlear Implantation ◽  
Residual Hearing

Audiological outcome of stapes surgery for far advanced cochlear otosclerosis

2017 ◽  
Vol 131 (11) ◽  
pp. 961-964 ◽  
Author(s):  
C Heining ◽  
R Banga ◽  
R Irving ◽  
C Coulson ◽  
P Monksfield
Keyword(s):  
Hearing Loss ◽  
Cochlear Implant ◽  
Revision Surgery ◽  
Cochlear Implantation ◽  
Stapes Surgery ◽  
Hearing Thresholds ◽  
Suitable Treatment ◽  
Conductive Component ◽  
Clinically Significant ◽  
Hearing Outcomes

AbstractBackground:Patients with advanced otosclerosis can present with hearing thresholds eligible for cochlear implantation. This study sought to address whether stapes surgery in this patient group provides a clinically significant audiological benefit.Objectives:To assess pre- and post-operative hearing outcomes of patients with advanced otosclerosis, and to determine what proportion of these patients required further surgery including cochlear implantation.Methods:Between 2002 and 2015, 252 patients underwent primary stapes surgery at our institution. Twenty-eight ears in 25 patients were deemed to have advanced otosclerosis, as defined by pure audiometry thresholds over 80 dB. The patients’ records were analysed to determine audiological improvement following stapes surgery, and assess whether any further surgery was required.Results:The audiological outcome for most patients who underwent primary stapes surgery was good. A minority of patients (7 per cent) required revision surgery. Patients who underwent cochlear implantation after stapes surgery (10 per cent) also demonstrated a good audiological outcome.Conclusion:Stapes surgery is a suitable treatment option for patients with advanced otosclerosis, and should be considered mandatory, before offering cochlear implantation, for those with a demonstrable conductive component to their hearing loss. A small group of patients get little benefit from surgery and subsequently a cochlear implant should be considered.

scholarly journals Bilateral Cochlear Implantation Versus Bimodal Hearing in Patients With Functional Residual Hearing

2018 ◽  
Vol 39 (4) ◽  
pp. 422-427 ◽  
Author(s):  
Robert J. Yawn ◽  
Brendan P. O’Connell ◽  
Robert T. Dwyer ◽  
Linsey W. Sunderhaus ◽  
Susan Reynolds ◽  
...  
Keyword(s):  
Cochlear Implantation ◽  
Residual Hearing ◽  
Bimodal Hearing
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