非侵入性神经调节的进步:设计闭环装置,用于呼吸控制的皮肤过渡神经刺激
Gabriella Maria de Faria1, Eugênia Gonzales Lopes1, Eleonora Tobaldini2
1Institute of Science and Technology, Universidade Federal de São Paulo, São José dos Campos 12231-280, Brazil.
Healthcare (Basel, Switzerland)
|January 11, 2024
概括
研究人员开发了一种闭环系统,用于呼吸控制的通过皮肤进行耳道迷走神经刺激 (taVNS). 这种创新的设备将taVNS与呼吸同步,为神经调节疗法提供了一个有前途的新方法.
科学领域:
- 神经科学是一个神经科学.
- 生物医学工程 生物医学工程
- 医疗器械 医疗器械
背景情况:
- 通过皮肤进行耳道迷走神经刺激 (taVNS) 显示出治疗和抑郁症的潜力.
- 将taVNS与呼吸 (呼气控制) 同步可能会增强神经调节.
- 现有的文献缺乏用于实时,集成taVNS控制的闭环系统.
研究的目的:
- 开发实时信号处理技术,用于生理数据采集.
- 为同步 taVNS 创建一个集成的闭环设备.
- 为了在患者的呼气阶段实现电刺激.
主要方法:
- 设计和实施实时信号处理,用于呼吸循环提取和噪声减弱.
- 集成传感器用于生理数据采集.
- 开发了用于软件控制,远程操作和数据可视化的模块.
- 使用线性统计评估评估心率变化.
主要成果:
- 信号处理有效地提取了呼吸循环,减少了噪音.
- 呼吸系统峰值检测的准确性达到了90%.
- 实时处理为排气阶段检测带来了高达150ms的延迟.
- 一个原型反刺激装置的成功构建.
结论:
- 初步结果显示,开发的闭环taVNS系统的准确性令人期待.
- 需要进一步测试以优化实时处理.
- 需要进行临床研究来验证原型在治疗应用中的有效性.
相关概念视频
Neural Control of Respiration
The neural regulation of respiration is a meticulously coordinated process primarily controlled by the respiratory centers located within the brainstem. These centers, composed of specialized neurons, transmit nerve impulses that control the contraction and relaxation of our respiratory muscles.
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Respiratory Centers in the Brainstem
Two primary areas comprise the respiratory center: the medullary respiratory center in the medulla oblongata and the pontine respiratory group in the pons. The...
Physiology of Respiration II: Neurogenic Control of Respiration
The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
Mechanical Ventilation III: Noninvasive Ventilation
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
Noninvasive Positive-Pressure Ventilation (NIPPV)


