非侵入性中枢神经刺激对人类胃慢波活动的频率特异性影响
Elliot Thomas Hendry1, Joseph Gonzales Balfe1, Peng Du2
1Cakmak Lab, Department of Anatomy, University of Otago, Dunedin, New Zealand.
概括
在40Hz和200Hz的非侵入性中枢神经刺激 (nMNS) 显示出对调节胃活动的前景,特别是在大量饮水后. 进一步的研究可能会导致用于胃疾病的可穿戴治疗方法.
科学领域:
- 神经胃肠病学 神经胃肠病学
- 自主神经系统研究 自主神经系统研究
- 医疗器械技术 医疗器械技术
背景情况:
- 自主功能障碍显著影响胃肠道的运动和功能.
- 非侵入性中枢神经刺激 (nMNS) 是一种调节神经活动的新兴技术.
- 了解不同的nMNS频率对胃和心脏自主反应的影响,对于治疗的发展至关重要.
研究的目的:
- 研究不同非侵入性中位神经刺激 (nMNS) 频率对胃慢波 (GSW) 和心率变化 (HRV) 的影响.
- 在空腹和充水的胃条件下评估GSW和HRV反应.
- 探索nMNS作为治疗胃肠道疾病的治疗方式的潜力.
主要方法:
- 20名健康的成年人接受了非侵入性的身体表面胃映射和心电图记录.
- 四个nMNS频率 (0 Hz, 40 Hz, 120 Hz, 200 Hz) 在四个单独的会议中被应用.
- 在刺激后进行了5分钟的水负荷测试,并持续监测GSW和ECG活动.
主要成果:
- 40-Hz nMNS在空腹时显著增加了 GSW 振幅.
- 在充满水的胃中,与安慰剂相比,40Hz和200Hz的nMNS调节了胃节律指数.
- 120Hz的nMNS对应激指数有显著影响,但对整体胃电活动没有显著影响;没有观察到线性剂量反应关系.
结论:
- 特定的nMNS频率 (40Hz和200Hz) 显示出影响胃电活动的潜力,特别是在膨胀的情况下.
- 40-Hz nMNS也可能有利于空腹胃的胃功能.
- 这些发现支持对nMNS进行进一步的研究,以治疗诸如胃,GERD和功能性消化不良等疾病,可能通过可穿戴设备.
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