Cognitive Function

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Cognitive Function

Post by Petr75 » Thu Feb 06, 2020 10:36 am

2020 Feb 1
Department of Neurology, Eginition Hospital, National and Kapodistrian University of Athens, Greece
A Longitudinal Study of Cognitive Function in Multiple Sclerosis: Is Decline Inevitable? ... nevitable/


Background: Numerous cross-sectional studies report cognitive impairment in multiple sclerosis (MS), but longitudinal studies with sufficiently long-term follow-up are scarce.
Objective: We aimed to investigate the cognitive 10-year course of a cohort of MS patients.
Methods: 59 patients with clinically isolated syndrome (CIS) or relapsing-remitting (RR) MS were evaluated with Rao's Brief Repeatable Battery of Neuropsychological Tests at baseline and follow-up (at least 10 years later). They constituted 47.2% of 124 consecutive CIS and RRMS patients originally evaluated at baseline. Patients assessed at follow-up were well matched for baseline clinical characteristics with dropouts.
Results: The proportion of MS patients with overall cognitive impairment was increased by 10% within the 10-year period. When grouped on the basis of impairment in specific cognitive domains at baseline, patients originally impaired showed improvement at follow-up, while the opposite trend was observed for patients non-impaired at first assessment. A detailed case-by-case investigation revealed mixed evolution patterns, several patients fail in fewer domains at follow-up compared to baseline or failing at different domains at follow-up compared to baseline.

Conclusions: This study suggests a more fluid picture for the evolution of cognitive function in a subgroup of MS patients and contradicts the concept of an inevitable, progressively evolving "dementia".

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