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  • Title: Early indicators of enduring symptoms in high school athletes with multiple previous concussions.
    Author: Schatz P, Moser RS, Covassin T, Karpf R.
    Journal: Neurosurgery; 2011 Jun; 68(6):1562-7; discussion 1567. PubMed ID: 21258259.
    Abstract:
    BACKGROUND: Despite recent findings of cognitive, emotional, physical, and behavioral symptomatology in retired professional athletes with a history of multiple concussions, there is little systematic research examining these symptoms in high school athletes with a history of concussion. OBJECTIVE: To identify cognitive, emotional, and physical symptoms at baseline in nonconcussed high school athletes based on concussion history. METHODS: A multicenter sample of 616 high school athletes who completed baseline evaluations were assigned to groups based on history of concussion (none, 1, 2, or more previous concussions). The Post-Concussion Symptom Scale was administered as part of a computerized neuropsychological test battery during athletes' preseason baseline evaluations. Cross-sectional analyses were used to examine symptoms reported at the time of baseline neuropsychological testing. RESULTS: High school athletes with a history of 2 or more concussions showed significantly higher ratings of concussion-related symptoms (cognitive, physical, sleep difficulties) than athletes with a history of one or no previous concussions. CONCLUSION: It appears that youth athletes who sustain multiple concussions experience a variety of subtle effects, which may be possible precursors of the future onset of concussion-related difficulties.
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