Blood test makes for fast, safer concussion diagnosis

Product development scientist Veronika Shevchenko experiments Tuesday with patient samples at Banyan Biomarkers research facility in San Diego

"This is a first step, on the tarmac so to speak, in which they're showing these markers can show if a person really needs a CT scan", said Dr. Ross Zafonte, a specialist in brain injury medicine at Harvard Medical School. "In addition, availability of a blood test for TBI/concussion will likely reduce the CT scans performed on patients with concussion each year, potentially saving our health care system the cost of often unnecessary neuroimaging tests". Of those instances, TBI contributed to the deaths of almost 50,000 people, the CDC wrote.

Most patients with a speculated head damage are inspected utilizing a neurological scale, called the 15-point Glasgow Coma Scale, trailed by a registered tomography or CT output of the make a beeline for recognize cerebrum tissue harm, or intracranial injuries, that may require treatment; be that as it may, a lion's share of patients assessed for mTBI/blackout don't have distinguishable intracranial sores in the wake of having a CT examine. Its developers, Banyan Biometrics scientists, stated that their blood test can diagnose concussions within 12 hours after the injury occurred. Its seriousness may run from gentle to extreme, with 75 percent of TBIs that happen every year being evaluated as mTBIs or blackouts. But the remainder may have bruising, bleeding or swelling in the brain, and need a CT scan to locate, monitor and possibly treat the injury.

For adults, the result can be a slightly increased risk of developing cancer down the road.

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So, weeding out those who could benefit from a CT scan from those who probably won't is important. It is manufactured by Banyan Biomarkers Inc., in Alachua, Florida.

Before authorizing its release, the FDA evaluated data from a multi-center, prospective clinical study of almost 2,000 individual blood samples from adults with suspected mTBI. Where a CT scan can cost $800 to $1,500, Nordhoff predicts that the new test would cost closer to $150. The study revealed that the blood test reliably predicted the presence and absence of intracranial lesions on a CT scan 97.8% and 99.6% of the time, respectively, according to the FDA.

Alberts said it will be most useful in the case of mild head injuries, when there's doubt about whether someone has a concussion. "So this blood test precedes a CT scan unless you're showing signs of extreme trauma".

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Mr. Nordhoff said by using this device it will be easy for physicians to evaluate children for concussions.

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