Age, symptoms, and functional outcome after mild traumatic brain injury

Justin E. Karr, Teemu M. Luoto, Isabelle G. Gilman, Ksenia Berghem, Anna Kerttu Kotilainen, Grant L. Iverson

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Objectives: Previous older adult studies have examined outcome from moderate-to-severe traumatic brain injury (TBI), but fewer have focused on the effects of milder brain injuries. This study examined age-related differences in symptom reporting and whether symptoms are differentially related to functional outcome based on age. Materials & Methods: Patients presenting with a head injury at the Tampere University Hospital emergency department (N = 325, aged 18-100) were evaluated at 1 week post injury on the Modified Rankin Scale and Rivermead Post Concussion Symptoms Questionnaire (RPQ). Results: A quarter of participants had missing RPQ data, with missingness associated with greater age and strongly associated with pre-existing functional impairment, dementia, and/or neurological conditions. Among participants with complete data, participants <65 years old endorsed headaches, noise/light sensitivity, irritability, and frustration/impatience at a greater frequency than participants ≥65 years old. However, no differences were found in the number of symptoms endorsed or the total symptom severity score. The correlations between the severity of symptoms and change in function were similar between the two age groups. Conclusions: Older adults tended to report fewer symptoms, but symptoms had a roughly equivalent relationship with declines in functioning across age groups. A large percentage of older adults in this study had pre-injury dementia or neurological disease that contributed to missing data on the 1-week outcome measures. The results provide insight into the impact of mild spectrum TBI on older adults compared to younger patients.

Original languageEnglish
Pages (from-to)183-190
Number of pages8
JournalActa Neurologica Scandinavica
Volume141
Issue number2
DOIs
StatePublished - Feb 1 2020

Bibliographical note

Publisher Copyright:
© 2019 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd

Keywords

  • aged
  • brain concussion
  • head injuries: closed
  • outcome assessment (health care)
  • post-concussion syndrome

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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