多发性硬化症中介性橄耳反射功能障碍:脑干损伤局部的影响及其临床影响
Ibrahim Salih Gecer1, Alper Tabaru2, Beyhan Yilmaz3
1Department of Otorhinolaryngology, Istanbul Bakirkoy Research and Training Hospital, Istanbul 34147, Türkiye. gecersalih@gmail.com.
World journal of clinical cases
|August 29, 2025
概括
多发性硬化症 (MS) 影响非听觉系统,特别是中间耳 (MOC) 反应. 多发性硬化患者的脑干病变显著降低了MOC反射功能,影响了听觉处理.
科学领域:
- 神经科学
- 听觉系统研究
- 多发性硬化症研究
背景情况:
- 多发性硬化症 (MS) 影响各种感官系统,但不同听觉通路的功能仍未得到充分研究.
- 位于脑干上层橄体 (SOC) 的中侧橄体 (MOC) 系统在无声听力功能中起作用.
- 大脑干或皮层的多发性硬化病变可能会破坏MOC反射活动.
研究的目的:
- 在多发性硬化症 (MS) 患者中,使用中枢耳 (MOC) 反射来研究无声听力系统的活性.
- 确定与多发性硬化相关的大脑干和皮层损伤对MOC反射功能的影响.
主要方法:
- 这项研究涉及50名多发性硬化患者和50名健康对照人群.
- 根据MRI结果将多发性硬化患者分为几个小组:脑干病变,皮病变或这些区域没有病变.
- 听觉评估包括声测量,声学步骤反射值,纯音声测量,以及带有和没有反侧噪声的短暂唤起的音声发射 (TEOAEs).
主要成果:
- 与对照组相比,MS患者的MOC反射抑制显著降低 (P=0. 021).
- 患有脑干病变的多发性硬化患者表现出最显著的MOC反射抑制 (P=0. 002).
- 在只有皮层病变或没有病变的患者和对照者之间,没有发现MOC反射抑制的显著差异. 与女性相比,男性多发性硬化患者的MOC抑制率较低.
结论:
- 多发性硬化症明显影响了听觉系统,特别是MOC反射.
- 在多发性硬化中,脑干病变与MOC反射活动的减少密切相关,而皮层病变的影响较小.
- 减少MOC活动可能会导致MS的听力困难,例如噪音听力受损,超音量或耳.
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