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Structural network topologies are associated with deep brain stimulation outcomes in Meige syndrome

Liu, Bin ; Mao, Zhiqi ; Yan, Xinyuan ; Yang, Hang ; Xu, Junpeng ; Feng, Zhebin ; Zhang, Yanyang ; Yu, Xinguang

Neurotherapeutics, 2024-04, p.e00367-e00367, Article e00367 [Periódico revisado por pares]

United States: Elsevier Inc

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  • Título:
    Structural network topologies are associated with deep brain stimulation outcomes in Meige syndrome
  • Autor: Liu, Bin ; Mao, Zhiqi ; Yan, Xinyuan ; Yang, Hang ; Xu, Junpeng ; Feng, Zhebin ; Zhang, Yanyang ; Yu, Xinguang
  • Assuntos: Clinical outcome ; Deep brain stimulation ; Graph theory ; Meige syndrome ; Structural covariance network
  • É parte de: Neurotherapeutics, 2024-04, p.e00367-e00367, Article e00367
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Deep brain stimulation (DBS) is an effective therapy for Meige syndrome (MS). However, the DBS efficacy varies across MS patients and the factors contributing to the variable responses remain enigmatic. We aim to explain the difference in DBS efficacy from a network perspective. We collected preoperative T1-weighted MRI images of 76 MS patients who received DBS in our center. According to the symptomatic improvement rates, all MS patients were divided into two groups: the high improvement group (HIG) and the low improvement group (LIG). We constructed group-level structural covariance networks in each group and compared the graph-based topological properties and interregional connections between groups. Subsequent functional annotation and correlation analyses were also conducted. The results indicated that HIG showed a higher clustering coefficient, longer characteristic path length, lower small-world index, and lower global efficiency compared with LIG. Different nodal betweennesses and degrees between groups were mainly identified in the precuneus, sensorimotor cortex, and subcortical nuclei, among which the gray matter volume of the left precentral gyrus and left thalamus were positively correlated with the symptomatic improvement rates. Moreover, HIG had enhanced interregional connections within the somatomotor network and between the somatomotor network and default-mode network relative to LIG. We concluded that the high and low DBS responders have notable differences in large-scale network architectures. Our study sheds light on the structural network underpinnings of varying DBS responses in MS patients.
  • Editor: United States: Elsevier Inc
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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