在患有内淋巴体水滴的人群中描述关节反射扭曲OAE配置
Samantha Stiepan1, Christopher A Shera1,2, Carolina Abdala1
1Auditory Research Center, Caruso Department of Otolaryngology, University of Southern California, Los Angeles, California, USA.
Ear and hearing
|July 14, 2023
概括
内淋巴体水 (EH) 对音声排放 (OAEs) 的影响不同,扭曲产品的OAEs比刺激频率的OAEs减少更大. 一种联合的OAE方法揭示了在Meniere病评估中对内耳功能的明显影响.
科学领域:
- 耳声波排放 (OAEs) 是一种
- 内耳生理学 内耳生理学
- 梅尼尔氏病的病理生理学
背景情况:
- 内淋巴水 (EH) 的特点是内淋巴体积增加,导致内耳膜膨胀.
- 耳声排放 (OAEs) 是由耳产生的声音排放,反映其功能状态.
- 联合OAE档案,结合扭曲和反射等级的排放,提供了对耳功能的全面评估.
研究的目的:
- 对于具有内淋巴性水 (EH) 个体的联合耳声发射 (OAE) 概况的特征.
- 调查联合OAE资料对于临床评估和监测EH的有用性.
- 为了比较EH和正常听力控制的个体之间的OAE特征.
主要方法:
- 16名被诊断为EH的成年人和18名年龄相匹配的正常听力 (N) 成年人参与了这项研究.
- 立方扭曲产物 (DP) OAEs和刺激频率 (SF) OAEs被测量和分析为一个联合的OAE概况.
- 评估了OAE水平,输入/输出功能和阶段梯度延迟在尾耳区域.
主要成果:
- 无论是EH和N组,反射排放都高于扭曲排放.
- 在EH组中,OAE源的强度和水平在低频段显著降低,更多的是对扭曲而不是反射辐射的偏差.
- 对于反射排放,EH耳朵的增长斜率较高,对于扭曲排放,压缩膝盖较高.
结论:
- 内淋巴体水对扭曲和反射OAE产生产生不同的影响.
- 扭曲产品OAEs (DPOAEs) 比刺激频率OAEs (SFOAEs) 更容易受到EH的影响.
- 一个共同的OAE方法是有价值的同时评估受Hydrops影响的内生成过程.
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