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SPORTS MEDICINE :
MEDICAL: CONDITIONS: CONCUSSIONS :
MEDICAL TESTS AND TESTING; BLOOD TESTS:
Blood Test Might Help Spot, Monitor Concussions
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Blood Test Might Help Spot, Monitor Concussions
By Steven Reinberg
Thursday, March 13, 2014
WebMD News
Health Day
http://www.webmd.com/brain/news/20140313/
blood-test-might-help-spot-monitor-concussions
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A shorter URL for the above link:
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http://tinyurl.com/p2to84x
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Study found levels of a protein linked with brain damage spiked right
after injury, dropped with recovery
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THURSDAY, March 13, 2014 (HealthDay News) -- When someone suffers a
concussion, it can be hard to tell how serious it is and how long recovery
will take, but a new blood test might help answer those questions.
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Swedish researchers report they have found a way to test blood for a
protein called total tau (T-tau), which is released when the brain is
injured. The amount of T-tau is apparently key to diagnosing a concussion
and predicting when players can get back into the game.
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"We have a biomarker [indicator] that is elevated in the blood of players
with a concussion," said lead researcher Dr. Pashtun Shahim, from the
department of neurochemistry at Sahlgrenska University Hospital in
Molndal. "The level of T-tau within the first hour after concussion
correlates with the number of days you have symptoms. We can use this
biomarker to both diagnose concussion and to monitor the course of
concussion until the patient is free of symptoms."
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Shahim added that by watching the level of T-tau drop over time, it is
possible to predict when symptoms such as dizziness, nausea, trouble
concentrating, memory problems and headaches will disappear.
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This initial trial involved only 28 hockey players, so the findings need
to be reproduced in larger trials, the researchers pointed out, and Shahim
suspects it will be a couple of years before this test would find its way
into clinical practice.
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The report was published online March 13 in the journal JAMA Neurology.
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Dr. Robert Glatter, director of sports medicine and traumatic brain injury
in the department of emergency medicine at Lenox Hill Hospital in New York
City, said the finding is important.
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"Identifying a reliable marker that correlates with the severity of brain
injury, as well as the recovery, can help track progress and improvements
after a concussion, and this can provide an objective measure for safe
return to play," Glatter said.
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"This is a very promising study that opens the door to looking at
biomarkers that can help us to provide better care to athletes with
concussions," he added.
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The complete article may be read at the URL above.
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