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  4. Impaired brain network architecture as neuroimaging evidence of pain in diabetic neuropathy
 
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Impaired brain network architecture as neuroimaging evidence of pain in diabetic neuropathy

Journal
Diabetes Research and Clinical Practice
Journal Volume
186
Pages
109833
Date Issued
2022-04
Author(s)
CHI-CHAO CHAO  
PAUL-CHEN HSIEH  
Janice Lin, Chien-Ho
Huang, Shin-Leh
SUNG-TSANG HSIEH  
Chiang, Ming-Chang
DOI
10.1016/j.diabres.2022.109833
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85126717945&doi=10.1016%2fj.diabres.2022.109833&partnerID=40&md5=fa40c0e6a8b595197d174e24a957f261
https://scholars.lib.ntu.edu.tw/handle/123456789/615991
Abstract
Aims: To investigate alterations in structural brain networks due to chronic diabetic neuropathic pain. Methods: The current study recruited 24 patients with painful diabetic neuropathy (PDN) to investigate the influences of chronic pain on the brain. Thirteen patients with painless diabetic neuropathy (PLDN) and 24 healthy adults were recruited as disease and healthy controls. White matter connectivity of the brain networks constructed by diffusion tractography was compared across groups using the Network-based statistic (NBS) method. Graph theoretical analysis was further applied to assess topological changes of the brain networks. Results: The PDN patients had a significant reduction in white matter connectivity compared with PLDN and controls in the limbic and temporal regions, particularly the insula, hippocampus and parahippocampus, the amygdala, and the middle temporal gyrus. The PDN patients also exhibited an altered topology of the brain networks with reduced global efficiency and betweenness centrality. Conclusion: The current findings indicate that topological alterations of brain networks may serve as a biomarker for pain-induced maladaptive reorganization of the brain in PDN. Given the high prevalence of diabetes worldwide, novel insights from network sciences to investigate the central mechanisms of diabetic neuropathic pain are warranted. © 2022 Elsevier B.V.
Subjects
Diabetic neuropathic pain
Diffusion tractography
Graph theory
Network-based statistic
Small-world organization
Publisher
Elsevier Ireland Ltd
Type
journal article

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