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Phys Med Rehabil Clin N Am. 2011 Nov;22(4):577-602, vii. doi: 10.1016/j.pmr.2011.08.002. Epub 2011 Sep 25.

The pathophysiology of concussions in youth.

Author information

1
Division of Pediatric Neurology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Mattel Children's Hospital, Los Angeles, CA 90095, USA. dshrey@mednet.ucla.edu

Abstract

Mild traumatic brain injury, especially sport-related concussion, is common among young persons. Consequences of transient pathophysiologic dysfunction must be considered in the context of a developing or immature brain, as must the potential for an accumulation of damage with repeated exposure. This review summarizes the underlying neurometabolic cascade of concussion, with emphasis on the young brain in terms of acute pathophysiology, vulnerability, alterations in plasticity and activation, axonal injury, and cumulative risk from chronic, repetitive damage, and discusses their implications in the context of clinical care for the concussed youth, highlighting areas for future investigation.

PMID:
22050937
PMCID:
PMC3211100
DOI:
10.1016/j.pmr.2011.08.002
[Indexed for MEDLINE]
Free PMC Article

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