Product development scientist Veronika Shevchenko works with patient samples at Banyan Biomarkers Tuesday, Feb. 13, 2018, in San Diego. The company is developing a blood test to help doctors diagnose traumatic brain injuries. (AP Photo/Denis Poroy)
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The first blood test to help doctors diagnose traumatic brain injuries has won U.S. government approval.The test doesn't detect concussions and the approval won't immediately change how patients with suspected concussions or other brain trauma are treated.It's designed to help doctors quickly determine which patients with suspected concussions may have brain bleeding or other brain injury.Bazarian called the test "a huge step" toward devising a blood test that can detect brain injuries including concussions.Dr. Walter Koroshetz, director of the National Institute of Neurological Disorders and Stroke, and other brain injury experts say the test isn't sensitive enough to rule out concussions.Quanterix is also working to develop a blood test to diagnose concussions and other brain injuries.
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