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麻醉后的胺改变了EEG信号的复杂性:对抑郁症治疗分层的影响

Weng-Lam Chan¹, Sebastian Olbrich², Xinwen Jiang¹

¹Centre for Cognitive and Brain Sciences, University of Macau, Taipa, Macau.

Journal of affective disorders

|May 26, 2025

概括

胺会增加脑电图 (EEG) 信号的复杂性,主要抑郁症 (MDD) 患者. 下部预治疗尾的Lempel-Ziv复杂性 (LZC) 预测了对抑郁症胺治疗的积极反应.

科学领域:

神经科学是一个神经科学.
精神病学是一个精神病学.
生物标志物研究生物标志物研究

背景情况:

大型抑郁症 (MDD),特别是耐治疗性抑郁症 (TRD),带来了重大的治疗挑战.
胺,一个NMDA受体对抗剂,显示出快速的抗抑郁作用,可能通过神经可塑性和谷氨酸调节.
大脑活动的复杂性与胺的作用机制有关.

研究的目的:

调查亚麻醉性静脉注射胺对MDD患者EEG信号复杂性的影响,包括TRD患者.
为了确定潜在的基于EEG的生物标志物来预测胺胺反应.
探索EEG复杂性变化与治疗结果之间的关系.

主要方法:

一项安慰剂对照研究涉及24名MDD患者 (21名TRD) 接受静脉注射胺或安慰剂.
闭眼静止状态EEG记录在输液注入前,输液注入期间和输液注入后得到.
分析了时空 (LZC_T) 和时空 (LZC_S) 的伦佩尔-齐夫复杂性.

主要成果:

与安慰剂相比,胺在输液期间显著增加了全脑LZC_T (16.90%对比 -4.84%,p=0.017).
输液后LZC_T升高与短期症状改善的减少相关.
治疗前的下部LZC_T预测了有利的胺反应 (ROC面积0.75,p=0.040).
在LZC_S中没有观察到任何显著的变化.

结论:

尾部LZC_T可以作为基胺在MDD和TRD治疗疗效的预测生物标志物.
脑电图复杂度指标显示了抑郁症治疗分层的潜力.
这项研究增强了对胺在治疗抑郁症中的神经机制的理解.

关键词:

生物标志物生物标志物这是一个EEGEEGEEGEEGEEGEEGEEG.胺基氨酸 (ketamine) 是一种可以伦佩尔-齐夫复杂性是指一个复杂的 MDD MDD MDD 这是什么意思?对治疗的反应反应.

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