JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
Cognitive recovery after severe traumatic brain injury in children/adolescents and adults: similar positive outcome but different underlying pathways?
Brain Injury 2014
PRIMARY OBJECTIVE: Does younger age at the time of severe traumatic brain injury (STBI) protect from cognitive symptoms? To answer this question, the authors compared the neuropsychological profile of late school-age children/adolescents and young adult patients at mid- and long-term recovery periods (6 and 12 months post-STBI).
METHODS AND PROCEDURES: Twenty-eight children/adolescents and 26 clinically matched adults were tested on measures of general intelligence, attention, executive functions, visuoperceptual, visuospatial and visuoconstructive abilities. Coma duration and the post-acute Glasgow Outcome Scale (GOS) score were used as predictor variables in a series of regression analyses.
MAIN OUTCOMES AND RESULTS: Children/adolescents and adults similarly improved on most measures, except for visuospatial and visuoconstructive skills, which worsened in time for children/adolescents. Coma duration significantly predicted performance IQ and visuoperceptual scores in children/adolescents. The GOS score significantly predicted performance and verbal IQ, sustained attention, visuoconstructive and long-term memory skills. Coma duration predicted executive function skills in both age groups.
CONCLUSIONS: (1) No evidence was found for a neuroprotective effect of younger age at STBI; and (2) Coma duration and GOS score predicted neuropsychological recovery in children/adolescents and adults, respectively. This suggests the existence of underlying age-specific recovery processes after STBI.
METHODS AND PROCEDURES: Twenty-eight children/adolescents and 26 clinically matched adults were tested on measures of general intelligence, attention, executive functions, visuoperceptual, visuospatial and visuoconstructive abilities. Coma duration and the post-acute Glasgow Outcome Scale (GOS) score were used as predictor variables in a series of regression analyses.
MAIN OUTCOMES AND RESULTS: Children/adolescents and adults similarly improved on most measures, except for visuospatial and visuoconstructive skills, which worsened in time for children/adolescents. Coma duration significantly predicted performance IQ and visuoperceptual scores in children/adolescents. The GOS score significantly predicted performance and verbal IQ, sustained attention, visuoconstructive and long-term memory skills. Coma duration predicted executive function skills in both age groups.
CONCLUSIONS: (1) No evidence was found for a neuroprotective effect of younger age at STBI; and (2) Coma duration and GOS score predicted neuropsychological recovery in children/adolescents and adults, respectively. This suggests the existence of underlying age-specific recovery processes after STBI.
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