冲程(发动机)
磁共振成像
认知
放射科
白质疏松症
认知障碍
认知功能衰退
痴呆
神经影像学
作者
Maarten H.T. Zwartbol,Anja G. van der Kolk,Rashid Ghaznawi,Yolanda van der Graaf,Jeroen Hendrikse,Mirjam I. Geerlings
出处
期刊:Neurology
[Ovid Technologies (Wolters Kluwer)]
日期:2020-09-08
卷期号:95 (10)
被引量:2
标识
DOI:10.1212/wnl.0000000000010199
摘要
Objective To investigate the association between intracranial atherosclerosis (ICAS) and cognitive functioning in patients with a history of vascular disease. Methods Within the Second Manifestations of Arterial Disease–Magnetic Resonance (SMART-MR) study, cross-sectional analyses were performed in 130 patients (mean ± SD age 68 ± 9 years) with 7T vessel wall MRI data. Vessel wall lesions were rated according to established criteria and summed into a circulatory and artery-specific ICAS burden. Associations between ICAS burden and Z scores of memory, executive functioning, working memory, and processing speed were estimated using linear regression analyses adjusted for age, sex, education, reading ability, and vascular risk factors. Results A total of 125 patients (96%) had ≥1 vessel wall lesion; the mean ICAS burden was 8.5 ± 5.7. A statistically nonsignificant association was found between total ICAS burden and memory (b = −0.03 per +1 lesion; 95% confidence interval [CI] −0.05 to 0.00). No associations were found for the other domains. A statistically significant association was found for ICAS burden of the posterior cerebral artery (PCA) and memory (b = −0.12 per +1 lesion; 95% CI −0.23 to −0.01) and executive functioning (b = −0.10 per +1 lesion; 95% CI −0.19 to −0.01). Statistically nonsignificant associations were found for the anterior cerebral artery (ACA) burden and memory (b = −0.13 per +1 lesion; 95% CI −0.26 to 0.01) and executive functioning (b = −0.11 per +1 lesion; 95% CI −0.22 to 0.01). Additional adjustments for large infarcts, white matter hyperintensities, lacunes, and ≥50% carotid stenosis produced similar results. Conclusions Our results suggest an artery-specific vulnerability of memory and executive functioning to ICAS, possibly due to strategic brain regions involved with these cognitive domains, which are located in the arterial territory of the PCA and ACA.
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