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关节休息状态和结构网络与健康对照组相比,对儿科双极性患者的特征:多式联络融合方法

Xiaoping Yi¹, Mingzhao Ma², Xueying Wang³

¹Department of Radiology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China; Clinical Research Center (CRC), Medical Pathology Center (MPC), Cancer Early Detection and Treatment Center (CEDTC) and Translational Medicine Research Center (TMRC), Chongqing University Three Gorges Hospital, Chongqing University, Chongqing 404000, PR China; School of Medicine, Chongqing University, Chongqing 400030, PR China; National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Xiangya Hospital, Changsha 410008, Hunan, PR China.

|April 19, 2025

概括

儿科双极性障碍 (PBD) 显示出明显的脑部差异. 用MRI识别了PBD患者的功能和结构异常,为神经生物学提供了新的见解.

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:

儿科双极性障碍 (PBD) 是一种严重的心理健康状况,对其神经生物学基础的理解有限.
区分PBD类型I和类型II亚型具有挑战性,但对于有针对性的治疗至关重要.
休息状态的功能性MRI和结构性MRI为PBD提供了潜在的生物标志物.

研究的目的:

通过静止状态的功能性MRI和结构性MRI来研究儿科双极性障碍 (PBD) 中的功能和结构性大脑异常.
为了比较PBD患者和健康对照 (HC) 之间的神经生物学差异.
探索PBD I型和II型之间的差异,以及它们与抑郁症状的相关性.

主要方法:

利用转换的独立向量分析 (tIVA),一种数据融合无监督机器学习方法.
分析了58名PBD患者和21名健康对照的休息状态区域同质性 (ReHo) 和灰质度 (GMC) 数据.
采用MRI扫描来评估大脑活动和结构.

主要成果:

在PBD患者和HC患者之间确定了两个不同的大脑网络:一个在前端中部区域具有更高的ReHo / GMC (PBD>HC),另一个在temporo-posterior区域,insula,caudate和 precuneus (PBD
发现了两种区分PBD类型I和类型II的网络:一种在类型I中增加ReHo/GMC的脑脑网络,另一种在类型I中减少ReHo/GMC的前脑双脑网络.
在PBD患者中观察到前端介质网络异常和抑郁症得分之间的正相关性.

结论:

这项研究揭示了儿科双相情感障碍中显著的功能和结构性大脑变化,使其与健康对照区分开来.
在PBD I型和II型之间存在神经生物学上的差异,这表明了不同的潜在病理生理学.
这些发现为PBD及其亚型的神经生物学提供了新的见解,可能有助于生物标志物开发.

关键词:

双极性障碍是一种双极性障碍.神经成像是一种神经成像.儿科人口中的儿童.无监督的机器学习这里是tIVAIVA.

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