The Relationship Between eSRTs and Upper Stimulation Levels in a Large Cohort of Adult Cochlear Implant Recipients.

IF 1.9 3区医学 Q3 CLINICAL NEUROLOGY

Otology & Neurotology Pub Date : 2024-12-01 DOI:10.1097/MAO.0000000000004329

Jourdan T Holder, Jennifer Hoffman, Haley Williams, René H Gifford

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引用次数: 0

Abstract

Objective: To compare electrically evoked stapedial reflex thresholds (eSRTs) measured at 1 month post-activation to upper stimulation levels used for programming adult cochlear implant (CI) recipients over time in a large clinical population.

Study design: Review of prospectively collected clinical database.

Setting: Large CI program at an academic medical center.

Patients: Postlingually deafened adult CI recipients (n = 439).

Main outcome measures: eSRTs recorded in the medical record and upper stimulation levels derived from the programming software at 1 and 6 months post-activation.

Results: The correlation between eSRTs and upper stimulation levels was strong for all three manufacturers (r = 0.80-0.86). On average, upper stimulation levels were set 15.4 clinical levels below eSRT for Cochlear using a pulse width of 25 microseconds, 13.4 clinical levels below eSRT for Cochlear using a pulse width of 37 microseconds, 11.3 clinical units below eSRT for Advanced Bionics, and 0.1 charge unit above eSRT for MED-EL. eSRTs were found to be elicited at similar levels for different electrodes/frequencies across the array. After upper stimulation levels were set based on eSRT at 1 month post-activation, there was no significant change in upper stimulation levels between 1 and 6 months post-activation.

Conclusions: eSRTs and upper stimulation levels are highly correlated. Average differences between eSRTs and upper stimulation levels reported herein can be used to guide programming in the clinic. Further, when eSRTs are used to program upper stimulation levels, upper stimulation levels should be relatively similar across channels and stable over time.

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大量成年人工耳蜗植入者的 eSRT 与上部刺激水平之间的关系。

目的在大量临床人群中，比较激活后 1 个月测量的电诱发镫骨反射阈值（eSRTs）和用于成年人工耳蜗植入者编程的上限刺激水平：研究设计：回顾前瞻性收集的临床数据库：地点：一家学术医疗中心的大型 CI 项目：主要结果指标：病历中记录的 eSRT 和激活后 1 个月和 6 个月编程软件得出的上限刺激水平：所有三家制造商的 eSRT 与上限刺激水平之间的相关性都很强（r = 0.80-0.86）。平均而言，使用 25 微秒脉宽时，科利耳公司的上限刺激水平比 eSRT 低 15.4 个临床水平；使用 37 微秒脉宽时，科利耳公司的上限刺激水平比 eSRT 低 13.4 个临床水平；Advanced Bionics 公司的上限刺激水平比 eSRT 低 11.3 个临床单位；MED-EL 公司的上限刺激水平比 eSRT 高 0.1 个电荷单位。根据激活后 1 个月的 eSRT 设定上限刺激水平后，激活后 1 至 6 个月的上限刺激水平没有显著变化。本文报告的 eSRTs 和上部刺激水平之间的平均差异可用于指导临床计划的制定。此外，当使用 eSRTs 对上限刺激水平进行编程时，不同通道的上限刺激水平应相对相似，并随着时间的推移保持稳定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Otology & Neurotology 医学-耳鼻喉科学

CiteScore

3.80

自引率

14.30%

发文量

509

审稿时长

3-6 weeks

期刊介绍： Otology & Neurotology publishes original articles relating to both clinical and basic science aspects of otology, neurotology, and cranial base surgery. As the foremost journal in its field, it has become the favored place for publishing the best of new science relating to the human ear and its diseases. The broadly international character of its contributing authors, editorial board, and readership provides the Journal its decidedly global perspective.