Cerebrovascular Reactivity in Patients With Small Vessel Disease: A Cross-Sectional Study

被引:10
作者
Sleight, Emilie [1 ,2 ]
Stringer, Michael S. [1 ,2 ]
Clancy, Una [1 ,2 ]
Arteaga, Carmen [1 ,2 ]
Garcia, Daniela Jaime [1 ,2 ]
Hewins, Will [1 ,2 ]
Jochems, Angela C. C. [1 ,2 ]
Hamilton, Olivia K. L. [1 ,2 ]
Manning, Cameron [1 ,2 ]
Morgan, Alasdair G. [1 ,2 ]
Locherty, Rachel [1 ,2 ]
Cheng, Yajun [1 ,2 ,4 ]
Liu, Xiaodi [1 ,2 ,5 ]
Zhang, Junfang [1 ,2 ,6 ]
Hamilton, Iona [3 ]
Jardine, Charlotte [3 ]
Brown, Rosalind [1 ,2 ]
Sakka, Eleni [1 ,2 ]
Kampaite, Agniete [1 ,2 ]
Wiseman, Stewart [1 ,2 ]
Valdes-Hernandez, Maria C. [1 ,2 ]
Chappell, Francesca M. [1 ,2 ]
Doubal, Fergus N. [1 ,2 ]
Marshall, Ian [1 ,2 ]
Thrippleton, Michael J. [1 ,2 ,3 ]
Wardlaw, Joanna M. [1 ,2 ,3 ]
机构
[1] Univ Edinburgh, Ctr Clin Brain Sci, Edinburgh, Midlothian, Scotland
[2] Univ Edinburgh, UK Dementia Res Inst, Edinburgh, Midlothian, Scotland
[3] Univ Edinburgh, Edinburgh Imaging Facil, Edinburgh, Midlothian, Scotland
[4] Sichuan Univ, Dept Neurol, West China Hosp, Chengdu, Peoples R China
[5] Univ Hong Kong, Dept Med, Hong Kong, Peoples R China
[6] Shanghai Jiao Tong Univ, Shanghai Gen Hosp, Dept Neurol, Shanghai, Peoples R China
基金
英国惠康基金; 英国医学研究理事会;
关键词
cerebrovascular circulation; cerebrovascular disorders; cognition; cross-sectional studies; humans; magnetic resonance imaging; VASCULAR DYSFUNCTION; PERIVASCULAR SPACES; MR-IMAGES; BRAIN; SEGMENTATION; OPTIMIZATION; REGISTRATION; STATEMENT; ROBUST;
D O I
10.1161/STROKEAHA.123.042656
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
BACKGROUND: Cerebrovascular reactivity (CVR) is inversely related to white matter hyperintensity severity, a marker of cerebral small vessel disease (SVD). Less is known about the relationship between CVR and other SVD imaging features or cognition. We aimed to investigate these cross-sectional relationships. METHODS: Between 2018 and 2021 in Edinburgh, we recruited patients presenting with lacunar or cortical ischemic stroke, whom we characterized for SVD features. We measured CVR in subcortical gray matter, normal-appearing white matter, and white matter hyperintensity using 3T magnetic resonance imaging. We assessed cognition using Montreal Cognitive Assessment. Statistical analyses included linear regression models with CVR as outcome, adjusted for age, sex, and vascular risk factors. We reported regression coefficients with 95% CIs. RESULTS: Of 208 patients, 182 had processable CVR data sets (median age, 68.2 years; 68% men). Although the strength of association depended on tissue type, lower CVR in normal-appearing tissues and white matter hyperintensity was associated with larger white matter hyperintensity volume (B-NAWM=-0.0073 [95% CI, -0.0133 to -0.0014] %/mmHg per 10-fold increase in percentage intracranial volume), more lacunes (B-NAWM=-0.00129 [95% CI, -0.00215 to -0.00043] %/mmHg per lacune), more microbleeds (B-NAWM=-0.00083 [95% CI, -0.00130 to -0.00036] %/mmHg per microbleed), higher deep atrophy score (B-NAWM=-0.00218 [95% CI, -0.00417 to -0.00020] %/mmHg per score point increase), higher perivascular space score (B-NAWM=-0.0034 [95% CI, -0.0066 to -0.0002] %/mmHg per score point increase in basal ganglia), and higher SVD score (B-NAWM=-0.0048 [95% CI, -0.0075 to -0.0021] %/mmHg per score point increase). Lower CVR in normal-appearing tissues was related to lower Montreal Cognitive Assessment without reaching convention statistical significance (B-NAWM=0.00065 [95% CI, -0.00007 to 0.00137] %/mmHg per score point increase). CONCLUSIONS: Lower CVR in patients with SVD was related to more severe SVD burden and worse cognition in this cross-sectional analysis. Longitudinal analysis will help determine whether lower CVR predicts worsening SVD severity or vice versa.
引用
收藏
页码:2776 / 2784
页数:9
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