DTI-MRI helps detect brain injury in war vets

By AuntMinnie.com staff writers
December 2, 2013

Using diffusion-tensor MRI (DTI-MRI), researchers have found that soldiers who suffered mild traumatic brain injury (MTBI) induced by blast exposure exhibit long-term brain differences, according to a study presented on Monday at RSNA 2013.

The researchers compared fractional anisotropy (FA) values in 10 war veterans diagnosed with MTBI with FA values in 10 healthy controls. FA measures the uniformity of water diffusion throughout the brain, with low FA tending to indicate areas of injury. The average time between the blast-induced injury and DTI-MRI among the patients was 51.3 months.

DTI-MRI showed significant differences between the two groups, with significant correlations between FA values and attention, delayed memory, and psychomotor test scores, according to co-author Thomas Malone, a research associate at Saint Louis University School of Medicine, and colleagues.

Because the victims were, on average, more than four years removed from their injuries, the results suggest the presence of a long-term impact of blast injury on the brain, the group concluded.

That impact could account for ongoing cognitive and behavioral symptoms in some veterans with a history of blast-related MTBI. The results also indicate that DTI-MRI is sensitive to group differences in blast-related MTBI, even in the postacute phase, Malone and colleagues noted.

DTI-MRI shows brain changes in temporal lobe epilepsy patients
Diffusion-tensor MRI (DTI-MRI) has shown widespread, abnormal connections in the brains of patients with temporal lobe epilepsy, which could help with...
DTI-MRI finds brain changes in Gulf War veterans
Using diffusion-tensor MRI (DTI-MRI), researchers at Georgetown University Medical Center have found evidence that veterans who suffer from Gulf War illness...
Study will use DTI to show soccer heading effects
The U.S. National Institutes of Health has awarded a $3 million grant to Albert Einstein College of Medicine of Yeshiva University to investigate the...
DTI-MRI finds TBI effects in recent veterans
Using diffusion-tensor MRI (DTI-MRI), psychiatrists with the Iowa City Veterans Affairs Medical Center and University of Iowa Health Care have found that...
DTI-MRI shows concussions' long-term effects in kids
Diffusion-tensor MRI (DTI-MRI) has shown that brain changes in children who have sustained mild traumatic brain injury can last for months, even after...

Copyright © 2013 AuntMinnie.com

Last Updated np 12/1/2013 10:39:38 AM