How to detect cognitive dysfunction at early stages of multiple sclerosis?
Detecting cognitive dysfunction may be clinically important during the early stages of multiple sclerosis (MS). We assessed a self-report questionnaire on cognitive complaints and individual neuropsychological tests to select patients with early relapsing-remitting MS (RRMS) who needed comprehensive cognitive testing. Fifty-seven patients underwent neurological and neuropsychological assessment, including Rao’s Brief Repeatable Battery (BRB) and the complete SEP-59 Questionnaire, a French adaptation of the MSQOL-54, which contains four specific questions about self-perception of cognitive functions. Predictive values, specificity, sensitivity and accuracy of five individual neuropsychological tests–Selective Reminding Test, Symbol Digit Modalities Test (SDMT), Similarities Subtest, PASAT and Stroop Test–were calculated to predict cognitive impairment. Only 10.5% of patients did not report any cognitive complaint, while most reported complaints. On the basis of cognitive performances,
