重新评估在微血管减压过程中助力听力保护的亚门动脉的作用
Takenori Kato1, Toshinori Hasegawa1, Akihiro Mizuno1
1Department of Neurosurgery, Komaki City Hospital.
Neurologia medico-chirurgica
|October 13, 2025
概括
腹动脉的损伤,前下大脑动脉的一个分支,可以导致听力损伤. 建议在手术期间保护这种血管,以防止听力损失.
科学领域:
- 神经外科 神经外科
- 血管解剖学 血管解剖学
- 听觉生理学 听觉生理学
背景情况:
- 亚动脉是前下小脑动脉的一个分支,传统上被认为是不必要的.
- 之前的研究并没有从临床上将甲动脉损伤与听力障碍联系起来.
研究的目的:
- 为了研究亚动脉损伤对听力的临床影响.
- 挑战传统的看法,对亚动脉的非必要的作用.
主要方法:
- 在微血管减压过程中,对三例听力损伤后亚层动脉损伤的病例进行回顾性分析.
- 持续的手术内听觉脑干反应监测.
- 血管事件和听觉信号变化的记录.
主要成果:
- 副关动脉损伤,而迷宫动脉仍然完好无损,导致听觉脑干反应的延迟恶化.
- 2例切割/脱落导致永久性听力损失.
- 在1例无凝血的静血症保护了听力.
结论:
- 这项研究提供了第一个临床证据,将甲动脉损伤与听力障碍联系起来.
- 内耳输液可能会通过与迷宫动脉的静脉连接受到影响.
- 建议保留亚门动脉,以防止术后听力缺陷.
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