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Published in: Journal of Neurology 5/2020

01-05-2020 | Magnetic Resonance Imaging | Original Communication

Biomechanical response of the CNS is associated with frailty in NPH-suspected patients

Authors: A. Vallet, N. Del Campo, E. O. Hoogendijk, A. Lokossou, O. Balédent, Z. Czosnyka, L. Balardy, P. Payoux, P. Swider, S. Lorthois, E. Schmidt

Published in: Journal of Neurology | Issue 5/2020

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Abstract

Frailty is known to predict dementia. However, its link with neurodegenerative alterations of the central nervous system (CNS) is not well understood at present. We investigated the association between the biomechanical response of the CNS and frailty in older adults suspected of normal pressure hydrocephalus (NPH) presenting with markers of multiple co-existing pathologies. The biomechanical response of the CNS was characterized by the CNS elastance coefficient inferred from phase contrast magnetic resonance imaging and intracranial pressure monitoring during a lumbar infusion test. Frailty was assessed with an index of health deficit accumulation. We found a significant association between the CNS elastance coefficient and frailty, with an effect size comparable to that between frailty and age, the latter being the strongest known risk factor for frailty. Results were independent of CSF dynamics, showing that they are not specific to the NPH neuropathological condition. The CNS biomechanical characterization may help to understand how frailty is related to neurodegeneration and detect the shift from normal to pathological brain ageing.
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Metadata
Title
Biomechanical response of the CNS is associated with frailty in NPH-suspected patients
Authors
A. Vallet
N. Del Campo
E. O. Hoogendijk
A. Lokossou
O. Balédent
Z. Czosnyka
L. Balardy
P. Payoux
P. Swider
S. Lorthois
E. Schmidt
Publication date
01-05-2020
Publisher
Springer Berlin Heidelberg
Published in
Journal of Neurology / Issue 5/2020
Print ISSN: 0340-5354
Electronic ISSN: 1432-1459
DOI
https://doi.org/10.1007/s00415-019-09689-z

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