INTERRELATION OF THE LOCALIZATION OF FOCI OF DEMYELINATION WITH THE SEVERITY OF COGNITIVE IMPAIRMENT IN PATIENTS WITH MULTIPLE SCLEROSIS
Journal: Actual problems of modern medicine (Vol.2, No. 2)Publication Date: 2018-12-29
Authors : Djamilya Aravitskaya Vladimir Dariy;
Page : 51-57
Keywords : multiple; sclerosis; cognitive; impairment; magnetic; resonance; tomography;
Abstract
Most investigation of the multiple sclerosis are devoted to the study of motor and sensory disorders. However, patients also are worried about cognitive impairment, which manifests in memory impairment, attention and reduced working capacity. The relationship between the severity of cognitive impairment and localization of foci of demyelination in patients with remitting multiple sclerosis had been investigated in the given work. It was examined 39 patients. The examination program included: anamnesis, neurological examination, neuropsychological testing and neuroimaging techniques. The MRI study was carried out on the 0.36 T i-Open Magnetic Resonance Imager with the introduction of the Tomovist contrast substance according to the standard test protocol in T1, T2 with a weighted image and FLAIR. Cognitive functions were studied using the international scale MMSE (Mini-mental state examination). Severity of neurological disorders was assessed by the extended disability score scale EDSS. The mean age was 38,9 ± 10,5 years. Disease duration ranged from 3 to 13 years, the average score according to Expanded Disability Status Scale (EDSS) 4,0 ± 1,86. Patients with remitting course of MS were divided into 2 groups depending on MMSE results: group 1 (without cognitive impairment) - patients with MMSE score 28-30 points, group 2 (pre-cognitive impairment) patients with MMSE score 23-27 points. Signs of cognitive impairment were detected in 61,5% of patients. The most pronounced cognitive impairments were in patients with foci of demyelinization subcortical to the temporal lobes of the brain hemispheres and in the corpus callosum. Cognitive impairment in group of patients with an insignificant degree of disability was noted mainly with localization of foci of demyelination in the corpus callosum.
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