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Knowing what we don’t know: Long-term psychiatric outcomes following adult concussion in sports

Knowing what we don’t know: Long-term psychiatric outcomes following adult concussion in sports Knowing what we don’t know: Long-term psychiatric outcomes following adult concussion in sports
Knowing what we don’t know: Long-term psychiatric outcomes following adult concussion in sports Knowing what we don’t know: Long-term psychiatric outcomes following adult concussion in sports

Amidst a growing concern regarding concussion in sports, there is an emerging link between sport concussion and mental health outcomes.

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Key take away

According to this review, concussion does play a role in the onset of long term psychiatric outcomes. The main outcomes of this study revolved around the chronic traumatic encephalopathy (CTE).

Background

Amidst a growing concern regarding concussion in sports, there is an emerging link between sport concussion and mental health outcomes. This review summarizes the current literature addressing long-term psychiatric sequelae associated with sport concussion in adults.

Method

Several databases were searched using a broad list of keywords for each of concussion, sports, and mental health, with a resultant 311 studies for initial review. After limiting studies based on duplication, appropriateness of data, and relevance, 21 studies remained pertaining to depression, anxiety, substance use, and behavioral changes, including those highlighting chronic traumatic encephalopathy (CTE).

Result

Most studies identified suggested an increased prevalence of depressive symptoms related to concussion history. A conference abstract and qualitative study suggested increasing anxiety related to concussion history; however, a PhD dissertation found no relationship. In reviewing substance use, several studies mentioned use in athletes suspected of having concussion histories, although no link was established, while another noted undiagnosed concussion as leading to current substance misuse. Regarding behavioral changes, all studies identified occurrences of behavior and/or cognitive changes in participants, with 2 studies suggesting a link with concussion history. With respect to CTE, concerns with mood, behavior, cognition, and substance use were consistently highlighted, suggesting relations to previous sport concussion; however, the notion of different CTE subtypes and clear etiology behind concussion severity or frequency was not consistently elucidated.

Conclusion

There appears to be a growing body of evidence supporting the presence of long-term psychiatric and psychological sequelae following sport concussion in adults.

Source:

Can J Psychiatry 2016 May;61 (5): 270-276

Article:

Knowing What We Don’t Know: Long-Term Psychiatric Outcomes following Adult Concussion in Sports

Authors:

Nathan W. B. Finkbeiner et al.

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