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• Clinical Article •
Structural analysis of brain volume in patients with mild cognitive impairment at high altitude
LIU Jinhao  QI Yonghong  YANG Guocai 

Cite this article as: LIU J H, QI Y H, YANG G C. Structural analysis of brain volume in patients with mild cognitive impairment at high altitude[J]. Chin J Magn Reson Imaging, 2023, 14(12): 15-18, 32. DOI:10.12015/issn.1674-8034.2023.12.003.


[Abstract] Objective To investigate the changes of gray matter density of native patients with mild cognitive impairment (MCI) at high altitude by structural magnetic resonance imaging (sMRI).Materials and Methods Ninety-one native MCI patients at high altitude (MCI group) and 95 native healthy controls (HC) matched for age, gender and education (HC group) were collected for neuropsychological testing and three-dimensional T1WI magnetization prepared rapid acquisition gradient echo sequence (3D-T1WI-MPRAGE) imaging. Gray matter density was measured in different whole-brain zones using voxel morphometric measurement (VBM) to compare brain regions with significant differences in gray matter density.Results MCI group had significantly lower gray matter density in the left hippocampus, left parahippocampal gyrus, left fusiform gyrus, and bilateral cerebellar than HC group (all P＜0.05).Conclusions There are sMRI changes of brain in MCI patients at high altitude, this may be the structural basis for the changes in cognitive functions associated with chronic high-altitude exposure.
[Keywords] cognitive impairment；mild cognitive impairment；structural magnetic resonance imaging；magnetic resonance imaging；high altitude localities

LIU Jinhao   QI Yonghong   YANG Guocai*  

Department of MR, Qinghai Provincial People's Hospital, Xining 810007, China

Corresponding author: YANG G C, E-mail: qhxnygc@163.com

Conflicts of interest   None.

ACKNOWLEDGMENTS Qinghai Provincial Health Commission Guiding Project (No. 2020-wjzdx-02).
Received  2023-01-28
Accepted  2023-11-29
DOI: 10.12015/issn.1674-8034.2023.12.003
Cite this article as: LIU J H, QI Y H, YANG G C. Structural analysis of brain volume in patients with mild cognitive impairment at high altitude[J]. Chin J Magn Reson Imaging, 2023, 14(12): 15-18, 32. DOI:10.12015/issn.1674-8034.2023.12.003.

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