The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study
ObjectiveEmerging evidence suggests that white matter (WM) disruption is associated with the incidence of subcortical vascular cognitive impairment (SVCI). However, our knowledge regarding this relationship in the early stage of SVCI is limited. We aimed to investigate the associations between WM di...
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doaj-b0d17fb538184b89a8f59a3d68951ba82021-08-02T04:40:02ZengFrontiers Media S.A.Frontiers in Aging Neuroscience1663-43652021-08-011310.3389/fnagi.2021.681208681208The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control StudyYanan Qiao0Xuwen He1Junying Zhang2Ying Liang3Wen Shao4Zhanjun Zhang5Sihang Zhang6Dantao Peng7Department of Neurology, China-Japan Friendship Hospital, Beijing, ChinaState Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, ChinaState Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, ChinaSchool of Biomedical Engineering, Capital Medical University, Beijing, ChinaDepartment of Neurology, China-Japan Friendship Hospital, Beijing, ChinaState Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, ChinaDepartment of Epidemiology and Biostatistics, School of Public Health, Peking University Health Science Center, Beijing, ChinaDepartment of Neurology, China-Japan Friendship Hospital, Beijing, ChinaObjectiveEmerging evidence suggests that white matter (WM) disruption is associated with the incidence of subcortical vascular cognitive impairment (SVCI). However, our knowledge regarding this relationship in the early stage of SVCI is limited. We aimed to investigate the associations between WM disruptions and cognitive declines at the early stage of SVCI.MethodWe performed a case–control study, involving 22 cases and 19 controls. The cases were patients at the early stage of SVCI, which was defined as subcortical ischemic vascular disease with normal global cognitive measures (pre-SVCI). The controls were healthy people matched by age, sex, and education years. We assessed the differences in a battery of neuropsychological tests between the two groups, investigated the diffusion changes in 40 WM tracts among the participants via an atlas-based segmentation strategy, and compared the differences between the cases and controls by multiple linear regression analysis. We then evaluated the relationships between diffusion indices and cognitive assessment scores by Pearson’s correlation.ResultsThe pre-SVCI group exhibited significant differences in the Montreal cognitive assessment (MoCA), Rey–Osterrieth Complex Figure (R-O)-copy, and Trail Making Test (TMT)-B test compared with the controls. Compared with the controls, some long associative and projective bundles, such as the right anterior corona radiata (ACR), the right inferior fronto-occipital fasciculus (IFOF), and the left external capsule (EC), were extensively damaged in cases after Bonferroni correction (p < 0.05/40). Damages to specific fibers, such as the right ACR, IFOF, and posterior thalamic radiation (PTR), exhibited significant correlations with declines in MoCA, R-O delay, and the Mini-Mental State Examination (MMSE), respectively, after Bonferroni correction (p < 0.05/14).ConclusionLong WM tracts, especially those in the right hemisphere, were extensively damaged in the pre-SVCI patients and correlated with declines in executive functions and spatial processing. Patients of pre-SVCI are likely at an ultra-early stage of SVCI, and there is a very high risk of this condition becoming SVCI.https://www.frontiersin.org/articles/10.3389/fnagi.2021.681208/fullsubcortical vascular cognitive impairmentsubcortical ischemic vascular diseasediffusion tensor imagingwhite matter hyperintensitiescognitive impairment |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yanan Qiao Xuwen He Junying Zhang Ying Liang Wen Shao Zhanjun Zhang Sihang Zhang Dantao Peng |
spellingShingle |
Yanan Qiao Xuwen He Junying Zhang Ying Liang Wen Shao Zhanjun Zhang Sihang Zhang Dantao Peng The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study Frontiers in Aging Neuroscience subcortical vascular cognitive impairment subcortical ischemic vascular disease diffusion tensor imaging white matter hyperintensities cognitive impairment |
author_facet |
Yanan Qiao Xuwen He Junying Zhang Ying Liang Wen Shao Zhanjun Zhang Sihang Zhang Dantao Peng |
author_sort |
Yanan Qiao |
title |
The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study |
title_short |
The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study |
title_full |
The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study |
title_fullStr |
The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study |
title_full_unstemmed |
The Associations Between White Matter Disruptions and Cognitive Decline at the Early Stage of Subcortical Vascular Cognitive Impairment: A Case–Control Study |
title_sort |
associations between white matter disruptions and cognitive decline at the early stage of subcortical vascular cognitive impairment: a case–control study |
publisher |
Frontiers Media S.A. |
series |
Frontiers in Aging Neuroscience |
issn |
1663-4365 |
publishDate |
2021-08-01 |
description |
ObjectiveEmerging evidence suggests that white matter (WM) disruption is associated with the incidence of subcortical vascular cognitive impairment (SVCI). However, our knowledge regarding this relationship in the early stage of SVCI is limited. We aimed to investigate the associations between WM disruptions and cognitive declines at the early stage of SVCI.MethodWe performed a case–control study, involving 22 cases and 19 controls. The cases were patients at the early stage of SVCI, which was defined as subcortical ischemic vascular disease with normal global cognitive measures (pre-SVCI). The controls were healthy people matched by age, sex, and education years. We assessed the differences in a battery of neuropsychological tests between the two groups, investigated the diffusion changes in 40 WM tracts among the participants via an atlas-based segmentation strategy, and compared the differences between the cases and controls by multiple linear regression analysis. We then evaluated the relationships between diffusion indices and cognitive assessment scores by Pearson’s correlation.ResultsThe pre-SVCI group exhibited significant differences in the Montreal cognitive assessment (MoCA), Rey–Osterrieth Complex Figure (R-O)-copy, and Trail Making Test (TMT)-B test compared with the controls. Compared with the controls, some long associative and projective bundles, such as the right anterior corona radiata (ACR), the right inferior fronto-occipital fasciculus (IFOF), and the left external capsule (EC), were extensively damaged in cases after Bonferroni correction (p < 0.05/40). Damages to specific fibers, such as the right ACR, IFOF, and posterior thalamic radiation (PTR), exhibited significant correlations with declines in MoCA, R-O delay, and the Mini-Mental State Examination (MMSE), respectively, after Bonferroni correction (p < 0.05/14).ConclusionLong WM tracts, especially those in the right hemisphere, were extensively damaged in the pre-SVCI patients and correlated with declines in executive functions and spatial processing. Patients of pre-SVCI are likely at an ultra-early stage of SVCI, and there is a very high risk of this condition becoming SVCI. |
topic |
subcortical vascular cognitive impairment subcortical ischemic vascular disease diffusion tensor imaging white matter hyperintensities cognitive impairment |
url |
https://www.frontiersin.org/articles/10.3389/fnagi.2021.681208/full |
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