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基于静息态fMRI的产后精神病患者镜像同伦功能连接研究

CHEN Chunlian, WANG Qian, LI Bo, ZHANG Shufen, SUN Gang, LIU Zhe, LI Zongwei,XU Minghe, WANG Yu, WANG Shuang, YU Ling,LIU Kai

Chinese Imaging Journal of Integrated Traditional and Western Medicine(2023)

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Abstract
目的:采用静息态fMRI观察产后精神病(PP)患者大脑半球间基于体素的镜像同伦功能连接(VMHC)变化特点.方法:采集 20 例PP患者(PP组)及 22 例健康产妇(对照组)静息态fMRI数据,以VMHC分析技术观察 2 组大脑半球间功能连接变化,提取 2 组差异脑区的VMHC值,并与简明精神病评定量表(BPRS)评分行相关性分析.结果:与对照组相比,PP组大脑半球间岛叶、海马、中央前回的VMHC值均降低(GRF校正,均P<0.05).PP组海马、岛叶的VMHC值均与BPRS评分呈负相关(r=-0.57,P=0.01;r=-0.45,P=0.04).结论:静息态下PP患者与情绪、认知相关的脑区存在大脑半球间功能连接的异常活动,涉及默认网络、突显网络、记忆网络及感觉运动网络的异常变化,这些发现有助于深入理解PP患者脑神经功能改变的特点.
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Key words
Postpartum psychosis,Voxel-mirrored homotopic connectivity,Brain network,Magnetic resonance imaging
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