Cochlear implants and other inner ear prostheses: today and tomorrow

Reiss, Lina A. J.

doi:10.1016/j.cophys.2020.08.001

Cited by 16 publications

(12 citation statements)

References 68 publications

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“…Cochlear implantation (CI) is widely regarded as one of the most effective treatments for patients with severe to profound hearing loss [1][2][3][4][5]. It is estimated that there are over 220,000 implant users worldwide today.…”

Section: Introductionmentioning

confidence: 99%

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

Skarżyńska

Kołodziejak

Gos

et al. 2021

JCM

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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.

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Section: Introductionmentioning

confidence: 99%

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

Skarżyńska

Kołodziejak

Gos

et al. 2021

JCM

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“…From the single-channel processors used in the early 1960s, the CI devices are nowadays equipped with multiple channels, allowing for the stimulation of multiple cochlear locations. The CI stimulus processing strategies have also evolved, targeting a higher performance index regarding auditory pathway activation [ 4 , 5 , 6 , 7 ].…”

Section: Introductionmentioning

confidence: 99%

“…In this context, it could be possible to even further enhance auditory rehabilitation, for example, by releasing local growth factors/neurotrophins targeting specific spiral ganglion neurons. This approach could boost a CI’s neural performance by stimulating the neuronal response to electric stimulation; on the other hand, it could allow for the protection of the inner ear structures from cochlear mechanical trauma that is caused by the insertion of the CI electrodes [ 4 , 5 , 6 , 7 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Advances in Pediatric and Adult Cochlear Implant and Middle Ear Prostheses

Ciorba

Skarżyński

Gocmenler

et al. 2021

JCM

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“…Cochlear implants have their own dynamics towards performance, being subject to changes month by month and always offering better, more efficient variants [ 23 ].…”

Section: Introductionmentioning

confidence: 99%

Electrical Signal Modeling in Cochlear Implants. Study of Temperature and Humidity Effects

Paun

Paun²,

Pãun

2021

Micromachines

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The present paper discusses the climatic effects of humidity and temperature on cochlear implant functioning and the quality of the electrical sound signal. MATLAB Simulink simulations were prepared, offering insights into signal behavior under such climatic parameter changes. A simulation setup of the cochlear implant was developed, where a source type selection was used to change between a voice recording and a “chirp” sound. In addition, a DC blocking filter was applied to the input signal. A simulation code, with the application of the climatic influence via the air attenuation function, was developed. Thereby, the attenuation of temperature and humidity in the sound atmospheric circulation of the input signal, at T = 0 °C and RH = 0% and at T = 36 °C and RH = 40% was graphically represented. The results of the electrical pulse generator for each of the eight channels, with the IIR filter, Gaussian noise, temperature variation, humidity influence, and control of denoise block activity, were thus obtained.

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Cochlear implants and other inner ear prostheses: today and tomorrow

Cited by 16 publications

References 68 publications

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

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

Advances in Pediatric and Adult Cochlear Implant and Middle Ear Prostheses

Electrical Signal Modeling in Cochlear Implants. Study of Temperature and Humidity Effects

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