Objective: To investigate the relationship between cerebral small vessel disease (CSVD) assessed by magnetic resonance imaging and cognitive impairment. Methods: A total of 93 patients with CSVD, characterized by white matter lesions (WML) and lacunar infarction (LI) were divided into cognitive impairment (CI) and no cognitive impairment (NCI) groups according to Montreal Cognitive Assessment (MoCA). The severity of WML was assessed, and the total number of LI and the numbers of LI in different regions of the brain were recorded. Their correlation with CI was analyzed. Results: As compared with the NCI group,the proportion of alcohol, hypertension and blood TC and LDL-C concentration in CI group were significantly increased (P<0.05); there were no significant differences in the proportion of smokers and diabetes mellitus between two groups (P>0.05). The total number of LI and the scores of WML were significantly increased in CI group than those in NCI group (P<0.01). After controlling the impact of age, sex and the scores of WML, the total number of LI could account for 55.1% of the scores of MoCA. LI numbers in frontal, temporal and basal ganglia area were positively correlated to MoCA scores (P<0.01), while those in parieto-occipital and infratentorial area were not correlated significantly (P>0.05). Conclusion: The WML and the numbers and locations of LI are related to CI symptoms. The numbers of LI at frontal, temperal and basal ganglia areas were independent prediction of CI in patients with CSVD. |
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