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  • Title: The correlation between cerebrospinal fluid findings and evoked potentials during an acute MS attack.
    Author: Irkeç C, Nazliel B, Koçer B.
    Journal: Electromyogr Clin Neurophysiol; 2001 Mar; 41(2):117-22. PubMed ID: 11284055.
    Abstract:
    Clinically definite Multiple Sclerosis (MS) cases have an index greater than 0.7. Evoked potentials using geometrical patterns and click stimuli respectively and electrical stimulation of mixed nerve trunks evokes low level electrical impulses along a nerve. Prolonged latencies and changes in amplitude in these evoked potentials are thought to reflect sensory loss. This study is performed to determine whether there is a correlation between cerebrospinal fluid (CSF) findings and evoked potentials in MS during an acute MS attack. 10 male and 10 female patients' (20-55) mean (37.75) were included in to the study. They were diagnosed as definite MS with their clinical and MRI findings. During the acute attack 10 (50%) patients out of 20 had high Ig G index and one (10%) had oligoclonal band positivity. Of these 10 patients 8 (4 M, 4 F) had pathology in their evoked potentials while two had normal evoked potential findings. 8 of (80%) 10 patients whom had normal Ig G index during the acute attack had evoked potential pathology while (20%) had normal Ig G index and evoked potentials during the acute attack. Of the 8 patients which had high Ig G index and pathological evoked potential findings during acute attack were evaluated. VEP, BAEP latencies were found to be prolonged as Ig G index increased. (p < 0.05) However the same correlation can not be found with SEP parameters.
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