scholarly journals A Comparison of Surgical Auditory Nerve Response and Speech Outcomes in Patients with Post-meningitic Deafness and Without Cochlear Osteogenesis Who Underwent Cochlear Implantation

Cureus ◽  
2019 ◽  
Author(s):  
Mohammed Alshaikh ◽  
Asmaa Alahmadi ◽  
Mohammed Albedry ◽  
Abdulmajeed Alharbi ◽  
Saad Alenzi ◽  
...  
Keyword(s):  
Cochlear Implantation ◽  
Auditory Nerve ◽  
Nerve Response

Plasticity after pediatric cochlear implantation: Implication from changes in peripheral plasma level of BDNF and auditory nerve responses

2018 ◽  
Vol 105 ◽  
pp. 103-110
Author(s):  
Razieh Alemi ◽  
Masoud Motassadi Zarandy ◽  
Mohammad Taghi Joghataei ◽  
Ali Eftekharian ◽  
Mohammad Reza Zarrindast ◽  
...  
Keyword(s):  
Plasma Level ◽  
Cochlear Implantation ◽  
Auditory Nerve ◽  
Peripheral Plasma

scholarly journals PromBERA: A preoperative eABR: An update

2018 ◽  
Vol 4 (1) ◽  
pp. 563-565 ◽  
Author(s):  
Daniel Polterauer ◽  
Maike Neuling ◽  
Joachim Müller ◽  
John-Martin Hempel ◽  
Giacomo Mandruzzato ◽  
...  
Keyword(s):  
Cochlear Implantation ◽  
Auditory Nerve ◽  
Round Window ◽  
Electrode Array ◽  
Auditory Brainstem ◽  
Auditory Brainstem Responses ◽  
Speech Comprehension ◽  
Testing Procedures ◽  
Brainstem Response ◽  
Round Window Niche

AbstractPrior to cochlear implantation, audiological tests are performed to determine candidacy in subjects with a hearing loss. This is usually done by measuring the acoustic auditory brainstem response (ABR). Unfortunately, for some subjects, a reproducible ABR recording cannot be obtained, even at high acoustic levels. Having a healthy stimulating auditory nerve is required for cochlear implantation in order to benefit from the electrical pulses that are generated by the implant and to improve speech comprehension. In some subjects, this prerequisite cannot be measured using routine audiological tests. In this study, the feasibility of recording electrically evoked auditory brainstem responses (eABR) using a stimulating transtympanic electrode, placed on the round window niche, together with MED-EL clinical system is investigated. The results show that it is possible to record reproducible eABR measurements using PromBERA. The response was also confirmed with intraoperative eABR measurements that were stimulated using the implanted CI electrode array. Similarities between the intraoperative measurements and the preoperative recorded waveforms were observed. In summary, the integrity and excitability of the auditory nerve can be objectively measured using the PromBERA in subjects where standard clinical testing procedures are unable to provide the information required.

Transplantation of adipose-derived stromal cells protects functional and morphological auditory nerve integrity in a model of cochlear implantation

Neuroreport ◽  
2021 ◽  
Vol 32 (9) ◽  
pp. 776-782
Author(s):  
Andreas Radeloff ◽  
Nashwa Nada ◽  
Trandil El Mahallawi ◽  
Enaas Kolkaila ◽  
Maike Vollmer ◽  
...  
Keyword(s):  
Stromal Cells ◽  
Cochlear Implantation ◽  
Auditory Nerve ◽  
Adipose Derived Stromal Cells
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