皮质结构特征用于从抑郁症发作中早期识别双极性障碍
Hao Sun1, Na Shen2, Zhilu Chen3
1Nanjing Brain Hospital, Clinical Teaching Hospital of Medical School, Nanjing University, Nanjing, China; The Affliated Xuzhou Eastern Hospital of Xuzhou Medical University, Xuzhou 221004, China.
Journal of affective disorders
|August 20, 2025
概括
通过观察特定的大脑变化,可以早期发现双极性障碍 (BD). 初始抑郁发作的个体的双边内皮层加厚预测BD,使其与单极抑郁区分开来.
科学领域:
- 神经科学
- 精神病学
- 医学成像
背景情况:
- 双极性疾病和单极性抑郁症的症状重叠,使得早期诊断具有挑战性.
- 正在研究皮层形态特征作为区分这些条件的潜在生物标志物.
研究的目的:
- 确定特定的皮质形态生物标志物用于早期发现双相情感障碍 (BD).
- 使用神经成像标志物区分单极性抑郁症 (UD).
主要方法:
- 在185名BD患者,203名UD患者和257名健康对照人群中测量了皮质结构指数.
- 分析了一组86名最初被诊断为患有严重抑郁症 (MDD),后来转变为BD (IDE- BD) 的患者.
- 使用一般线性模型和同位素相似性来评估皮质厚度偏差和模式.
主要成果:
- 与HC相比,在BD,IDE- BD和UD组中观察到共享的皮质厚度偏差模式.
- 与HC相比,在BD和IDE- BD组中发现了显著的双边内皮层 (EC) 厚度变化,但在UD组中没有.
- 与UD相比,BD显示EC变薄,而IDE- BD显示EC变厚,这表明疾病特异性变化.
结论:
- 皮层厚度的偏差显示了BD和UD之间的共享和独特模式.
- 双边EC加厚是抑郁症发作早期诊断的一个潜在预测因素.
- 这些发现有助于在最初的抑郁期区分BD和UD.
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