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Susceptibility-Weighted Magnetic Resonance Imaging (MRI) of Microbleeds in Pediatric Concussion.

Authors
  • Virani, Shane1, 2
  • Barton, Alexander3
  • Goodyear, Bradley G3, 4, 5, 6
  • Yeates, Keith Owen7, 5, 6, 8, 9
  • Brooks, Brian L2, 7, 5, 6, 8, 9
  • 1 Department of Pediatrics, 70402Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada. , (Canada)
  • 2 Department of Pediatrics, Neurosciences Program, Alberta Children's Hospital, Calgary, Alberta, Canada. , (Canada)
  • 3 Department of Radiology, 2129University of Calgary, Calgary, Alberta, Canada. , (Canada)
  • 4 Department of Psychiatry, 2129University of Calgary, Calgary, Alberta, Canada. , (Canada)
  • 5 Hotchkiss Brain Institute, Calgary, Alberta, Canada. , (Canada)
  • 6 Department of Clinical Neurosciences, 2129University of Calgary, Calgary, Alberta, Canada. , (Canada)
  • 7 Department of Pediatrics, 2129University of Calgary, Calgary, Alberta, Canada. , (Canada)
  • 8 Department of Psychology, 2129University of Calgary, Calgary, Alberta, Canada. , (Canada)
  • 9 Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada. , (Canada)
Type
Published Article
Journal
Journal of child neurology
Publication Date
Sep 01, 2021
Volume
36
Issue
10
Pages
867–874
Identifiers
DOI: 10.1177/08830738211002946
PMID: 33966537
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The long-term consequences of pediatric concussion on brain structure are poorly understood. This study aimed to evaluate the presence and clinical significance of cerebral microbleeds several years after pediatric concussion. Children and adolescents 8-19 years of age with either a history of concussion (n = 35), or orthopedic injury (n = 20) participated. Mean time since injury for the sample was 30.4 months (SD = 19.6). Participants underwent susceptibility-weighted imaging, rated their depression and postconcussion symptoms, and completed cognitive testing. Parents of participants also completed symptom ratings for their child. Hypointensities in susceptibility-weighted images indicative of cerebral microbleeds were calculated as a measure of hypointensity burden. Hypointensity burden did not differ significantly between participants with a history of concussion and those with a history of orthopedic injury. Depression ratings (self and parent report), postconcussion symptom ratings (self and parent report), and cognitive performance did not significantly correlate with hypointensity burden in the concussion group. These findings suggest that at approximately 2.5 years postinjury, children and adolescents with prior concussion do not have a greater amount of cerebral microbleeds compared to those with orthopedic injury. Future research should use longitudinal study designs and investigate children with persistent postconcussive symptoms to gain better insight into the long-term effects of concussion on cerebral microbleeds.

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