左侧DLPFC iTBS诱导的功能连接变化和抑郁症状之间的关联:一项探索性研究
Kun Xie1, Wenshuang Yang2, Chengfeng Chen1
1Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, 510370 Guangzhou, Guangdong, China; Department of Psychiatry, Guangzhou Medical University, 510180 Guangzhou, Guangdong, China.
Actas espanolas de psiquiatria
|December 24, 2025
概括
间歇性甲基突发刺激 (iTBS) 有效地治疗主要抑郁症 (MDD). 这项研究发现,特定大脑区域的基线功能连接 (FC) 预测了症状的改善,为iTBS机制提供了洞察力.
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.
- 医疗成像医学成像
背景情况:
- 大型抑郁症 (MDD) 是一种普遍存在的心理健康状况.
- 重复性横磁刺激 (rTMS) 是MDD的一种治疗选择.
- 间歇性甲爆刺激 (iTBS) 是一种高效的rTMS变体,显示出MDD治疗的前景.
研究的目的:
- 调查针对左背侧前额皮层 (DLPFC) 的10天iTBS治疗对MDD患者的休息状态功能连接 (FC) 的影响.
- 探索在接受iTBS的MDD患者的基线FC和治疗反应之间的关系.
- 确定与抑郁症状相关的特定FC模式,并预测抑郁症状的改善.
主要方法:
- 招募了29名接受10天左右DLPFC iTBS的MDD患者.
- 使用人类脑组图谱 (Human Brainnetome Atlas) 来构建FC矩阵.
- 分析了FC的变化,并进行了基线FC和抑郁症状改善之间的相关性和回归分析.
主要成果:
- iTBS治疗显示出显著的治疗效果,反应和缓解率分别为62.07%和31.03%.
- 在腹中中膜 (vmPu),前中心 (PrG) 和后中心 (PoG) 之间观察到阳性FC的减少.
- 在vmPu和PrG (r = 0.529,p = 0.003) 和vmPu和PoG (r = 0.545,p = 0.002) 之间的基线FC与症状改善和预测的治疗结果正相关.
结论:
- iTBS是治疗抑郁症的一个有前途的干预措施.
- 在vmPu,PrG和PoG中的特定基线FC模式与MDD患者的治疗反应相关并预测治疗反应.
- 这些发现有助于理解iTBS在抑郁症中的有效性背后的神经生物学机制.
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