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Cognitive and physical symptoms of concussive injury in children: a detailed longitudinal recovery study
  1. Louise Crowe1,
  2. Alex Collie2,
  3. Stephen Hearps3,
  4. Julian Dooley1,
  5. Helen Clausen4,
  6. David Maddocks5,
  7. Paul McCrory6,
  8. Gavin Davis7,
  9. Vicki Anderson1
  1. 1Child Neuropsychology, Murdoch Children's Research Institute, Melbourne, Australia
  2. 2Institute for Safety Compensation and Recovery Research, Monash University, Melbourne, Australia
  3. 3Centre for Adolescent Health, Murdoch Children's Research Institute, Melbourne, Australia
  4. 4Melbourne Neuropsychology Services, Melbourne, Australia
  5. 5Perry Maddocks Trellope, Lawyers, Melbourne, Australia
  6. 6The Florey Institute of Neuroscience and Mental Health, Melbourne, Australia
  7. 7Neurosurgery Department, Cabrini Hospital, Melbourne, Australia
  1. Correspondence to Professor Vicki Anderson, Child Neuropsychology, 4 West, Murdoch Childrens Research Institute, 50 Flemington Road, Parkville, Victoria 3052, Australia; vicki.anderson{at}rch.org.au

Abstract

Background Recovery from concussion sustained in childhood and adolescence is poorly understood. We explored patterns of recovery for neurocognition and postconcussive symptoms following concussion in children and adolescents.

Methods Using a prospective, longitudinal design, we collected baseline data on 728 children and adolescents aged 10–17 years. 10 participants sustained a concussive injury (n=10) in the 12 months following baseline testing and they were reviewed at day 5, 10 and 30 postconcussion. Assessments included the CogSport for Kids computerised test battery to evaluate neurocognitive function and self-report, and parent measures of postconcussive symptoms. At day 30, parents also completed measures rating their child's quality of life and executive functions.

Results Children and adolescents displayed a gradual reduction in postconcussive symptoms over the 30 days following injury. At day 5, 87% of participants were reporting physical and cognitive symptoms, with a generalised reduction in all symptoms by day 10 (40% of participants). On the computerised measure, reaction time was slower after concussion, but returned to baseline levels by day 30. At day 30, 10% of participants demonstrated ongoing postconcussive symptoms. Number of previous concussions was related to speed of symptom resolution.

Conclusions At 5 days postconcussion, the majority of children and adolescents experienced debilitating postconcussive symptoms. However, by 30 days postinjury, 90% demonstrated recovery to normal for both neurocognition and postconcussive symptoms.

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