一般焦虑症中的灰质变化:基于voxel的形态测量研究的voxel-wise元分析
Chang-Hsien Ou1, Chiu-Shih Cheng1, Pei-Ling Lin1
1Department of Neuroradiology, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan.
概括
通用焦虑障碍 (GAD) 可能涉及左上旋中微妙的灰质变化. 焦虑的严重程度与边缘区域的灰质变化相关,特别是在成年人中.
科学领域:
- 神经成像是一种神经成像.
- 精神病学是一个精神病学.
- 大脑解剖学 大脑解剖学
背景情况:
- 通用焦虑症 (GAD) 与大脑变化有关,但对灰质变化的发现不一致.
- 以前的基于voxel的形态测量研究表明,GAD个体的大脑的结构差异.
研究的目的:
- 系统地审查和分析现有的基于voxel的形态测量研究关于灰色质的变化在GAD.
- 为了研究焦虑严重程度和灰质变化在GAD患者之间的关系.
- 探索成人和青少年GAD亚组之间的灰质变化的差异.
主要方法:
- 一个系统的审查和11个基于voxel的形态测量研究的元分析涉及GAD患者.
- 应用线性模型来评估焦虑严重程度得分与灰质变化之间的相关性.
- 亚组分析比较成人和青少年GAD人群.
主要成果:
- 在GAD患者的左上旋中发现了适度但显著的灰质变化.
- 焦虑的严重程度与右侧胰岛,晶状核,膜和条纹体的灰质变化有显著的相关性.
- 对成人和青少年GAD的子组分析没有显示出显著的灰质变化,尽管成年GAD显示了焦虑严重程度和右岛灰质之间的相关性.
结论:
- GAD可能与左上状圈的微妙灰质变化有关.
- 焦虑的严重程度似乎与边缘区域的灰质变化有关,可能受到成年GAD的影响.
- 建议使用更大的样本大小和精细的GAD分类进行进一步的研究.
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