Thursday, July 28, 2011

Blast-Related Traumatic Brain Injury May Persist

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Military personnel who suffer blast-related traumatic brain injury (TBI) may have residual damage, say researchers at the Washington University School of Medicine in St. Louis in the June New England Journal of Medicine, disputing the argument that impairments due to mild TBI in combat veterans do not typically persist.

They performed diffusion tensor imaging (DTI)—a type of magnetic resonance imaging—on 63 U.S. male military personnel who were evacuated from the field to the Landstuhl Regional Medical Center in Germany within 90 days after a blast-related TBI diagnosis and on 21 control subjects. Abnormalities revealed on DTI were consistent with traumatic axonal injury in many of the subjects with TBI. None had detectable intracranial injury on computed tomography.

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