语后ANSD中的耳神经缩:对耳植入的诊断线索和影响
Kyu Ha Shin, Kherlen Altanbayar1, Hye-Rim Park
1EMJJ Hospital, Ulaanbaatar, Mongolia.
概括
耳神经 (CN) 缩在听觉神经病变谱系障碍 (ANSD) 中比在感觉神经听力损失中更严重,特别是在突触后病例中. 建议在ANSD患者中进行早期耳植入 (CI),以获得最佳的结果.
科学领域:
- 神经科学是一个神经科学.
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
- 听力学 听力学是指听力学.
背景情况:
- 听力神经病变谱系障碍 (ANSD) 和感觉神经听力损失 (sSNHL) 是不同的听力病理.
- 耳神经 (CN) 完整性对于听觉功能和耳植入 (CI) 成功至关重要.
- 了解不同听力障碍中的CN变化对于预测CI结果至关重要.
研究的目的:
- 为了比较语后听力神经病变谱系障碍 (ANSD后) 和简单的感觉神经听力损失 (sSNHL) 之间的耳神经 (CN) 缩.
- 在这些患者群体中调查 CN 缩对耳植入 (CI) 结果的影响.
- 根据CN大小,识别ANSD后的潜在诊断标志物.
主要方法:
- 对61名耳植入器 (CI) 接受者的回顾性分析 (15名ANSD后,46名SNHL).
- 使用成像技术评估耳神经 (CN) 大小.
- 基于病因,年龄和分子亚型的听觉表现和CI结果的比较.
主要成果:
- 与sSNHL患者相比,ANSD后的患者显示出明显更严重的CN缩,尽管纯色平均值相似.
- 合成后的ANSD后病例表现出比合成前病例和sSNHL更大的CN缩.
- 明显的CN缩并没有预测研究范围内的CI不良结果;无论CN大小,语音得分在CI后显著改善.
结论:
- 耳神经 (CN) 缩的严重程度取决于听力损失的病因,最明显的是在 postsynaptic post-ANSD.
- 严重的中枢神经缩可能作为 postsynaptic post-ANSD 的诊断指标,即使没有明确的听觉测试结果.
- 建议在ANSD后的患者进行早期耳植入 (CI),以实现最佳的听力康复,强调及时干预的重要性.
相关概念视频
01:13The Cochlea
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
01:16Anatomy of the Ear
Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
01:15Auditory Pathway
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...