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PUBLIC RELEASE DATE:
16-Jul-2014

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Contact: Emmanuel Lagarde
Emmanuel.lagarde@isped.u-bordeaux2.fr
The JAMA Network Journals

Persistent symptoms following concussion may be posttraumatic stress disorder

Bottom Line: The long-lasting symptoms that many patients contend with following mild traumatic brain injury (MTBI), also known as concussion, may be posttraumatic disorder (PTSD) and not postconcussion syndrome (PCS).

Authors: Emmanuel Lagarde, Ph.D., of the Université de Bordeaux, France, and colleagues.

Background: Concussion accounts for more than 90 percent of all TBIs, although little is known about prognosis for the injury. The symptoms cited as potentially being part of PCS fall into three areas: cognitive, somatic and emotional. But the interpretation of symptoms after MTBI should also take into account that injuries are often sustained during psychologically distressing events which can lead to PTSD.

How the Study Was Conducted: The authors conducted a study of injured patients at an emergency department in a hospital in France to examine whether persistent symptoms three months after a head injury were specific to concussion or may be better described as part of PTSD. The study included 534 patients with head injury and 827 control patients with nonhead injuries.

Results: Three months after the injury, 21.2 percent of head-injured and 16.3 percent of nonhead-injured patients met the diagnosis of PCS; 8.8 percent of head-injured patients met the criteria for PTSD compared with 2.2 percent of control patients.

Discussion: "This prospective study of the three-month PCS and PTSD symptoms of mild head- and nonhead-injured patients recruited at the ED [emergency department] showed that the rationale to define a PCS that is specific to head-trauma patients is weak. … Further use of PCS in head-injury patients has important consequences, in terms of treatment, insurance resource allocation and advice provided to patients and their families. Available evidence does not support further use of PCS. Our results also stressed the importance of considering PTSD risk and treatment for patients with MTBI."

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(JAMA Psychiatry. Published online July 16, 2014. doi:10.1001/jamapsychiatry.2014.666. Available pre-embargo to the media at http://media.jamanetwork.com.)

Editor's Note: This study was funded by INSERM, the REUNICA Group and Bordeaux University Hospital. Please see the article for additional information, including other authors, author contributions and affiliations, financial disclosures, funding and support, etc.

Media Advisory: To contact author Emmanuel Lagarde, Ph.D., email Emmanuel.lagarde@isped.u-bordeaux2.fr



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