The importance of electrically evoked stapedial reflex in cochlear implant✩✩Please cite this article as: Andrade KCL, Leal MC, Muniz LF, Menezes PL, Albuquerque KMG, Carnaúba ATL. The importance of electrically evoked stapedial reflex in cochlear implant. Braz J Otorhinolaryngol. 2014;80:68-77.

Andrade, Kelly Cristina Lira de; Leal, Mariana de Carvalho; Muniz, Lílian Ferreira; Menezes, Pedro de Lemos; Albuquerque, Kátia Maria Gomes de; Carnaúba, Aline Tenório Lins

doi:10.5935/1808-8694.20140014

Cited by 15 publications

(5 citation statements)

References 26 publications

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“…Finally, the approach needs to be transferred to intraoperative eSRT measurements in CI surgery. Compared to intraoperative electric compound action potentials (ECAPs) analysis, eSRT does not only provide information about the distal auditory nerve's and CI device's function, but also on brainstem processing of auditory information (36).…”

Section: Discussionmentioning

confidence: 99%

“…The aim was to present: a) a structured description how to reach the stapedius muscle via this approach, b) the success rate, and c) which tools might help reaching this goal. The interest towards the smallest muscle in the human body is justified by its potential use as an objective measure to evaluate the dynamic range in CI users (3)(4)(5). An effective and reliable determination of the electrical dynamic range of stimulation is a crucial step towards effective fitting of the CI and therefore it is an essential component in the successful rehabilitation of CI recipients.…”

Section: Introductionmentioning

confidence: 99%

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Accessing the Stapedius Muscle Via Novel Surgical Retrofacial Approach: A Cadaveric Feasibility Study

Arnold

Schneider

Volk

et al. 2021

Otology &Amp; Neurotology

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Hypothesis: Despite the complete embodiment of the stapedius muscle (SM) into the pyramidal eminence, it is possible to safely gain access to the SM belly via a retrofacial approach. This presents a novel approach to directly measure the electrically evoked stapedius reflex threshold (eSRT). Background: Objective fitting of maximum comfortable loudness levels for cochlear implant users can improve the benefit introduced by the device. Sensing SM activity via direct surgical access represents a potential tool for objective eSRT fitting. Methods: Eighteen human temporal bones (TBs) were used. Micro-computed tomography was performed for six TBs. Standard computed tomography for six TBs. Manual 3Dsegmentation of the relevant middle and inner ear anatomy was performed on 12 TBs. Mastoidectomy and posterior tympanotomy allowed the access to middle ear of all 18 the TBs. Once identified the mastoidal segment of the facial nerve (FN), the retrofacial access to the SM was drilled.Results: The total access rate was 72.2%. Only in the first three cases the posterior semi-circular canal was hit. The SM access was identified posterior to the FN at a 4 AE 0.78 mm distance from the stapes' head, almost halfway to the chorda tympani's branching point along the FN direction. The drilling depth to access the SM posterior to the external surface of FN on average was 2 AE 0.30 mm. The exposure took on average of 5 to 8 minutes. Conclusions: The retrofacial approach seems to offer a feasible and reproducible access to the SM belly opening an avenue to electromyographic sensing of eSRT.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Accessing the Stapedius Muscle Via Novel Surgical Retrofacial Approach: A Cadaveric Feasibility Study

Arnold

Schneider

Volk

et al. 2021

Otology &Amp; Neurotology

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“…Так же, измерения eSRT могут использоваться в качестве перекрестной проверки поведенческих оценок громкости. Использование комбинации eSRT и поведенческих мер может быть особенно полезно при программировании детей или трудных для тестирования пациентов [30]. Однако, eSRT не может быть измерен для людей со стимуляцией лицевого нерва или неврологическими нарушениями.…”

Section: применение Esrt к программированию киunclassified

Кохлеарная Имплантация У Новорожденных: Сложности И Особенности

Егоров¹,

Глуховский²

2021

Естественные И Технические Науки

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Потеря слуха по тем или иным причинам всегда невосполнимая утрата, а в отношении ребёнка -это ещё и табу на адекватную социализацию и полноценное развитие талантов ребенка. Слух -это не только сенсорная составляющая функционирования человеческого организма, это пусковой механизм развития коммуникационных способностей, а значит социализации человека в обществе.На сегодняшний день метод кохлеарной имплантации -это единственный способ реабилитации людей, столкнувшихся с потерей слуха, в частности детей с глубокой нейросенсорной тугоухостью, а значит -интеграции их в социально активную жизнь.

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“…Among objective methods, the eSRT is recorded by the contraction of the stapedius muscle in response to an electrical stimulus sent from the CI. eSRT is effectively used to determine the MCLs of CI users (6). Hodges et al (1997) suggested that determining the upper stimulus levels (MCL) at all electrodes based on eSRT results can result in perceiving equal loudness across different electrodes (7).…”

Section: Introductionmentioning

confidence: 99%

Loudness Balancing Optimization for Better Speech Intelligibility, Music Perception, and Spectral Temporal Resolution in Cochlear Implant Users

Deniz,

Ataş

2024

Otol Neurotol

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Hypothesis The behaviorally based programming with loudness balancing (LB) would result in better speech understanding, spectral–temporal resolution, and music perception scores, and there would be a relationship between these scores. Background Loudness imbalances at upper stimulation levels may cause sounds to be perceived as irregular, gravelly, or overly echoed and may negatively affect the listening performance of the cochlear implant (CI) user. LB should be performed after fitting to overcome these problems. Methods The study included 26 unilateral Med-EL CI users. Two different CI programs based on the objective electrically evoked stapedial reflex threshold (P1) and the behaviorally program with LB (P2) were recorded for each participant. The Turkish Matrix Sentence Test (TMS) was applied to evaluate speech perception; the Random Gap Detection Test (RGDT) and Spectral-Temporally Modulated Ripple Test (SMRT) were applied to evaluate spectral temporal resolution skills; the Mini Profile of Music Perception Skills (mini-PROMS) and Melodic Contour Identification (MCI) tests were applied to evaluate music perception, and the results were compared. Results Significantly better scores were obtained with P2 in TMS tests performed in noise and quiet. SMRT scores were significantly correlated with TMS in quiet and noise, and mini-PROMS sound perception results. Although better scores were obtained with P2 in the mini-PROMS total score and MCI, a significant difference was found only for MCI. Conclusion The data from the current study showed that equalization of loudness across CI electrodes leads to better perceptual acuity. It also revealed the relationship between speech perception, spectral–temporal resolution, and music perception.

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The importance of electrically evoked stapedial reflex in cochlear implant✩✩Please cite this article as: Andrade KCL, Leal MC, Muniz LF, Menezes PL, Albuquerque KMG, Carnaúba ATL. The importance of electrically evoked stapedial reflex in cochlear implant. Braz J Otorhinolaryngol. 2014;80:68-77.

Abstract: The electrically elicited stapedius reflex may support when programming the cochlear implant, especially in patients with inconsistent responses.

Cited by 15 publications

References 26 publications

Accessing the Stapedius Muscle Via Novel Surgical Retrofacial Approach: A Cadaveric Feasibility Study

Accessing the Stapedius Muscle Via Novel Surgical Retrofacial Approach: A Cadaveric Feasibility Study

Кохлеарная Имплантация У Новорожденных: Сложности И Особенности

Loudness Balancing Optimization for Better Speech Intelligibility, Music Perception, and Spectral Temporal Resolution in Cochlear Implant Users

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