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Fatigue as a cause, not a consequence of depression and daytime sleepiness

J HEAD TRAUMA REHABIL , 2014, vol. 29, n° 5, p. 427-431
Doc n°: 171501
Localisation : Centre de Réadaptation de Lay St Christophe

D.O.I. : http://dx.doi.org/DOI:10.1097/HTR.0b013e31829ddd08
Descripteurs : AD72 - TROUBLES DU SOMMEIL

OBJECTIVES: To examine the temporal relation between fatigue, depression, and
daytime sleepiness after traumatic brain injury. Fatigue is a frequent and
disabling consequence of traumatic brain injury (TBI). However, it is unclear
whether fatigue is a primary consequence of the structural brain injury or a
secondary consequence of injury-related sequelae such as depression and daytime
sleepiness. PARTICIPANTS: Eighty-eight adults with complicated mild-severe TBI
(69% male). MAIN MEASURES: Fatigue Severity Scale; depression subscale of the
Hospital Anxiety and Depression Scale; Epworth Sleepiness scale at baseline and
6-month follow-up. RESULTS: A cross-lagged path analysis computed within a
structural equation modeling framework revealed that fatigue was predictive of
depression (beta = .20, P < .05) and sleepiness (beta = .25, P < .05). However,
depression and sleepiness did not predict fatigue (P > .05). CONCLUSIONS: The
results support the view of fatigue after TBI as "primary fatigue"-that is, a
consequence of the structural brain injury rather than a secondary consequence of
depression or daytime sleepiness. A rehabilitation approach that assists
individuals with brain injury in learning to cope with their neuropsychological
and physical limitations in everyday life might attenuate their experience with

Langue : ANGLAIS

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