Cited by 38Traumatic Brain Injury ResearchTraumatic Brain Injury and Neurovascular DisturbancesAutomotive and Human Injury Biomechanics

Post-Concussion Symptom Reporting after Multiple Mild Traumatic Brain Injuries

Silverberg, Noah D., Lange, Rael T., Millis, Scott R., Rose, Alice, Hopp, Grace, Leach, Suzanne, Iverson, Grant L.·2013·Journal of Neurotrauma

Abstract

The relationship between previous mild traumatic brain injury/injuries (MTBI) and recovery from a subsequent MTBI may be complex. The present study investigated three factors hypothesized to influence this relation: (1) the number of prior MTBIs, (2) the interval between MTBIs, and (3) the certainty level of previous MTBIs. The study design was retrospective cross-sectional. Participants (N=105) were evaluated at a concussion clinic on average 1 month after sustaining an MTBI, defined by World Health Organization diagnostic criteria. Approximately half the sample had at least one previous MTBI. Subgroups with 0, 1, or 2+ previous MTBIs did not differ in levels of current post-concussion symptom reporting on the British Columbia Post-Concussion Symptom Inventory. Time since the most recent previous MTBI was significantly associated with current post-concussion symptom reporting. This relation was best characterized as logarithmic; i.e., the impact of previous MTBI(s) lessens exponentially as time elapses to a subsequent MTBI. Defining previous MTBIs with a higher certainty level (i.e., probable versus possible) was not consistently associated with greater post-concussion symptom reporting. In conclusion, participants with multiple MTBIs did not report more post-concussion symptoms than those with no history of MTBI. Previous MTBI(s), however, were associated with increased symptom reporting from a subsequent MTBI to the extent they occurred closer in time. Having one or two previous remote MTBIs was not associated with worse outcome from subsequent MTBI in this sample.

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Crossref · 10.1089/neu.2012.2827

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Authors
Silverberg, N. D., Lange, R. T., Millis, S. R., Rose, A., Hopp, G., Leach, S., & Iverson, G. L.
Affiliations
  • University of British Columbia (CA)
  • Wayne State University (US)
  • GF Strong Rehabilitation Centre (CA)
  • Independent practice, Port Coquitlam, British Columbia, Canada.
  • Simon Fraser University (CA)
  • Harvard University (US)
Corresponding author
Silverberg, Noah D.
Venue
Journal of Neurotrauma
Published
2013-08-15
Volume
30
Issue
16
Pages
1398-1404
ISSN
  • 0897-7151 (ISSN-L)
  • 1557-9042
OpenAlex
W1982624366
Cited by
38
References
52
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 4 · 2019: 7 · 2018: 4 · 2017: 1 · 2016: 5 · 2015: 3 · 2014: 5
FWCI
3.15
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Neurotrauma (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ohio State University
  • Health Research Board
  • Vancouver Coastal Health Research Institute
Topics
  • Health Sciences › Medicine › Epidemiology › Traumatic Brain Injury Research
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Automotive and Human Injury Biomechanics
Keywords
mild traumatic brain injury, multiple concussions, post-concussion symptoms, symptom reporting, concussion recovery
MeSH terms
Adult, Aged, Brain Injuries, Cross-Sectional Studies, Female, Humans, Male, Middle Aged, Post-Concussion Syndrome, Young Adult

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