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Correlation between cognitive function and white matter hyperintensity in patients with vascular cognitive impairment |
HU Yumin |
Department of Radiology, Lishui Central Hospital, Zhejiang Province, Lishui 323000, China |
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Abstract Objective To explore the correlation between cognitive function and white matter hyperintensity in patients with vascular cognitive impairment. Methods A total of 114 patients with Subacute cerebral infarction were selected in Lishui Central Hospital of Zhejiang Province from May 2016 to February 2018. According to the age related white matter change scale (ARWMCRs) score, 114 patients were divided into two groups, including 37 cases of mild group (ARWMCRs scores was 0-3), 46 cases in moderate group (ARWMCRs scores was 4-7) and 31 cases in severe group (ARWMCRs scores was 8-24). The patients were examined by neuroimaging and neuropsychological tests. The changes of group characteristics and cognitive function of the patients of the three groups were analyzed. Results There was a significant difference in age and the proportion of diabetic patients between the three groups (P < 0.05). With the aggravation of white matter lesions, the age of the patients and the proportion of diabetic patients increased significantly. The difference of MMSE score and MoCA score in the three groups was statistically significant (P < 0.05), and the MMSE score and MoCA score in severe group were significantly lower than that in mild and moderate group (P < 0.05), while the MMSE score and MoCA score in the moderate group were significantly lower than those of the mild group (P < 0.05). There was a significant negative correlation between ARWMCRs score and MMSE score and MoCA score (r = -0.621, -0.582, all P < 0.05). Conclusion Age and diabetes mellitus have a certain impact on white matter lesions in patients with ischemic stroke, and white matter lesions can affect their cognitive function. The more serious the white matter lesions are, the more obvious the decline of cognitive function is. Neuroimaging examination of patients is helpful to early detection of cognitive impairment.
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