鉴定低值的目标外激活通路,在刺激时,状动脉气体受体在猪的 afferents
bioRxiv : the preprint server for biology
|January 9, 2026
概括
巴罗反射激活疗法 (BAT) 可能会由于非目标神经激活而引起副作用. 这项研究确定了猪中负责这些副作用的特定神经通路,指导了未来的治疗改进.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 心血管研究研究心血管研究
背景情况:
- 鼓膜反射激活疗法 (BAT) 使用电刺激的耳鼻鼓膜受体调节自主音调,降低血压和心率.
- BAT是FDA批准用于心力衰竭和高血压,但受到麻木,言语改变和舌头功能障碍等副作用的限制.
研究的目的:
- 在巴罗反射激活疗法 (BAT) 中识别导致副作用的非目标肌肉激活的神经源.
- 在BAT中,为减轻副作用和增强目标激活的策略提供信息.
主要方法:
- 使用了猪模型,因为动脉与人类有相似之处.
- 采用单极盘电极和优化放置剂量响应血压变化.
- 通过连续的神经切割和从部肌肉记录识别了非目标神经通路.
主要成果:
- 确认了关节神经 (喉神经),甲状腺神经 (上喉神经),关节神经 (辅助神经) 和舌头神经 (下神经) 的激活.
- 确定了一个复杂的缩肌群激活途径.
- 确定了负责治疗限制副作用的多个神经通路.
结论:
- 在猪模型中确定了与BAT相关的副作用的特定神经源.
- 结果将指导改进的电极,手术技术和BAT编程的开发.
- 旨在减少BAT的副作用并提高BAT的治疗疗效.
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