Sunday, December 27, 2009

Studies find breakthrough in PTSD treatment

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Studies find breakthrough in PTSD treatment
Submitted by admin on Sun, 12/27/2009 - 07:40
Two new studies seem to provide more evidence that post-traumatic stress disorder is a chemical change in the brain caused by trauma — and that it might be possible to diagnose, treat and predict which troops are most susceptible to it using brain scans or blood tests.In one study, Christine Marx of the Duke University Medical Center and Durham Veterans Affairs Medical Center wondered why PTSD, depression and pain often occur together.

Researchers already knew that people with PTSD show changes in their neurosteroids, which are brain chemicals thought to play a role in how the body responds to stress. Previous animal studies showed that blood neurosteroid levels correlated to brain neurosteroid levels, so Marx measured the blood neurosteroid levels of 90 male Iraq and Afghanistan veterans. She found that the neurosteroid levels correlated to symptom severity in PTSD, depression and pain issues, and that those levels might be used to predict how a person reacts to therapy, as well as to help develop new therapies.

Marx is researching treatment for people with traumatic brain injuries using the same kind of brain chemical, and early results show that increasing a person’s neurosteroid level decreases his PTSD symptoms. Marx’s work was funded by the Veterans Affairs Department, National Institutes of Health, Defense Department and NARSAD, an organization that funds brain and behavior research.A second study, conducted by Alexander Neumeister of Yale University School of Medicine, found that veterans diagnosed with PTSD along with another syndrome, such as depression, alcohol abuse, substance abuse or suicidal ideation, had different brain images on a CT scan than did those who had been diagnosed only with PTSD.Neumeister became curious after realizing that veterans dealing only with PTSD responded differently to treatment than did those with PTSD and another diagnosis.
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http://navyexperience.com/navy-news/studies-find-breakthrough-ptsd-treatment

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