Zixuan Guo, Xinyue Tang, Shuming Zhong, Guanmao Chen, Pan Chen, Chao Chen, Ruoyi Chen, Li Huang, Yanbin Jia, Ying Wang
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引用次数: 0
Abstract
Background: The therapeutic effects of vortioxetine on mood and cognition have been documented in major depressive disorder (MDD). This study aims to examine whether vortioxetine can improve brain glymphatic system function and connections among functional brain networks and to explore the underlying relationships among these changes.
Methods: A total of 34 patients with MDD and 41 healthy controls (HCs) were recruited in the study. All participants underwent mood and cognitive assessment, and diffusion tensor imaging (DTI) and resting-state functional MRI scans at baseline and 8-week follow-up. The DTI analysis along the perivascular space (DTI-ALPS) index, and functional connectivity (FC) were assessed. Cognitive assessment was conducted using the Chinese version of Measurement Consensus Cognitive Battery (MCCB). Correlation analysis was subsequently performed to explore underlying association among these indexes.
Results: Compared to HCs, patients with MDD showed decreased DTI-ALPS indexes at baseline; patients with MDD showed increased the default mode network (DMN) FC between the posterior cingulate cortex (PCC)–precuneus; patients with MDD displayed decreased attention/vigilance, verbal learning, visual learning, social cognition, and global cognition. Treatment with vortioxetine, patients with MDD displayed reduced depressive symptoms, increased DTI-ALPS indexes, decreased DMN FC, and improved attention/vigilance, verbal learning, visual learning, social cognition, and global cognition. Moreover, the increased DTI-ALPS indexes correlated with improved global cognition, and decreased DMN FC in MDD, respectively.
Conclusions: The current study indicated vortioxetine improves glymphatic system function and brain connections within the DMN in MDD. Furthermore, the restoration of glymphatic function is linked to improved brain function and cognition.
期刊介绍：
Depression and Anxiety is a scientific journal that focuses on the study of mood and anxiety disorders, as well as related phenomena in humans. The journal is dedicated to publishing high-quality research and review articles that contribute to the understanding and treatment of these conditions. The journal places a particular emphasis on articles that contribute to the clinical evaluation and care of individuals affected by mood and anxiety disorders. It prioritizes the publication of treatment-related research and review papers, as well as those that present novel findings that can directly impact clinical practice. The journal's goal is to advance the field by disseminating knowledge that can lead to better diagnosis, treatment, and management of these disorders, ultimately improving the quality of life for those who suffer from them.
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