Friday, October 1, 2021

TBI shouldn't be invisible anymore in any of us

Concussion Linked to Depression, Anxiety and PTSD, Studies Show

DVIDS
Story by Claudia Sanchez-Bustamante
Military Health System
September 28, 2021

Recent research shows mounting evidence of a link between mild traumatic brain injury and mental health conditions like depression, anxiety, and posttraumatic stress disorder.

For the first time, a study [https://pubmed.ncbi.nlm.nih.gov/27291520/] of post-mortem brains of service members who were diagnosed with blast-related concussions found visible evidence of damage to the brain.

Researchers believe the unique scarring that the study found could account for the mental health conditions that are diagnosed more frequently among service members who have suffered mild TBIs or been exposed to blast concussions.

In other words, the "invisible wounds" - as TBI is frequently called - might not be invisible anymore.

"The more we look, the more we're finding other subtleties and other kinds of changes in the brains of individuals who've been exposed to blast," said Dr. Daniel Perl, one of the study's researchers and a neuropathologist specializing in TBI and neurodegeneration at the Uniformed Services University (USU) of the Health Sciences in Bethesda, Maryland.

As a result, "we think there is a biology to this, that the exposure to blast can, in some people, produce damage to the brain, which leads to dysfunction and underlies some aspects of [mental health issues]," Perl said.
A 2019 study of a Department of Veterans Affairs health care database found that "a history of TBI increased the risk for suicide and other psychiatric conditions by more than two-fold."

Veterans with a history of TBI also had a two-to-four times higher prevalence of psychiatric diagnoses compared with those who did not suffer a TBI, with PTSD being the most common, according to the TBICoE team.

The prevalence of depression in the mTBI group was 68.1 percent, the TBICoE team said.

David Riggs, a clinical psychologist and chair of the Department of Medical and Clinical Psychology at USU, explained how the exact reason for the neuropsychiatric symptoms service members experience following a blast-related concussion is not clear.

"We don't know exactly, particularly in the case of mild TBIs or concussions, what might be leading to these problems because it's very hard to identify the specific change in the way that the brain functions after a concussion," he said.
read more here
I had TBI from one incident when I was 5 and almost died twice the same night. Back then they didn't call it TBI (traumatic brain injury) but had a fractured skull and a concussion, which also caused changes in how my brain worked. (Yes, try the joke but I've heard them all before) I changed how I remember things, including spelling, but it also caused a lot of speech problems.

I find it fascinating that researchers seem to avoid the fact that a bomb blast is traumatic and thus, one person could have both from the same event!

Also keep in mind that they have also been studying football players too.

Degenerative Brain Disease Found In 87% of Former Football Players: Study TIME
Among players with severe CTE, 85% had signs of dementia, and 89% had behavioral or mood symptoms, or both. They were also likely to have issues in brain regions associated with depressive symptoms, impulsivity and anxiety. 95% had cognitive symptoms, like issues with memory, executive function and attention.

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