Effect of slosh mitigation on histologic markers of traumatic brain injury: laboratory investigation.

Abstract:

OBJECT:Helmets successfully prevent most cranial fractures and skull traumas, but traumatic brain injury (TBI) and concussions continue to occur with frightening frequency despite the widespread use of helmets on the athletic field and battlefield. Protection against such injury is needed. The object of this study was to determine if slosh mitigation reduces neural degeneration, gliosis, and neuroinflammation. METHODS:Two groups of 10 adult male Sprague-Dawley rats were subjected to impact-acceleration TBI. One group of animals was fitted with a collar inducing internal jugular vein (IJV) compression prior to injury, whereas the second group received no such collar prior to injury. All rats were killed 7 days postinjury, and the brains were fixed and embedded in paraffin. Tissue sections were processed and stained for markers of neural degeneration (Fluoro-Jade B), gliosis (glial fibrillary acidic protein), and neuroinflammation (ionized calcium binding adapter molecule 1). RESULTS:Compared with the controls, animals that had undergone IJV compression had a 48.7%-59.1% reduction in degenerative neurons, a 36.8%-45.7% decrease in reactive astrocytes, and a 44.1%-65.3% reduction in microglial activation. CONCLUSIONS:The authors concluded that IJV compression, a form of slosh mitigation, markedly reduces markers of neurological injury in a common model of TBI. Based on findings in this and other studies, slosh mitigation may have potential for preventing TBI in the clinical population.

journal_name

J Neurosurg

journal_title

Journal of neurosurgery

authors

Turner RC,Naser ZJ,Bailes JE,Smith DW,Fisher JA,Rosen CL

doi

10.3171/2012.8.JNS12358

subject

Has Abstract

pub_date

2012-12-01 00:00:00

pages

1110-8

issue

6

eissn

0022-3085

issn

1933-0693

journal_volume

117

pub_type

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