Journal
NEUROPHYSIOLOGIE CLINIQUE-CLINICAL NEUROPHYSIOLOGY
Volume 47, Issue 2, Pages 139-171Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.neucli.2017.02.004
Keywords
Evaluation; Fatigue; FSS; MFIS; Multiple sclerosis; Noninvasive brain; stimulation; Pathophysiology; Scale; tDCS; Treatment
Categories
Funding
- Genzyme
- Biogen
- Novartis
- Roche
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Multiple sclerosis (MS) is a chronic inflammatory and neurodegenerative disease of the central nervous system, characterized by the accumulation of numerous neurological symptoms and signs throughout its course. Fatigue is one of the most distressing complaints that MS patients may experience over their lifetime. In spite of its high prevalence, the pathophysiology of MS fatigue is far from being fully elucidated and a constellation of mechanisms seems implicated in this setting. Several factors could contribute to its development and/or exacerbation, and this requires a careful workup in order to search for all possible underlying causes, such as sleep disturbances, endocrine dysfunction and mood disorders, to cite a few. The aim of this review is to revisit the definition of MS fatigue, provide an overview of its pathophysiology, and reappraise its clinical, structural and functional correlates. Additionally, we discuss the available assessment tools, as well as the various management strategies including pharmacological and non-pharmacological interventions. Special emphasis will be placed on the role of non-invasive brain stimulation techniques in this field. Finally, we propose a road map to facilitate the diagnosis and guide the therapeutic regimens of this multifactorial and multidimensional construct. (C) 2017 Elsevier Masson SAS. All rights reserved.
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