RecruitingNCT03218332

Post-Concussion Syndrome in Professional Athletes: A Multidisciplinary Study

Sponsor

University Health Network, Toronto

Enrollment

150 participants

Start Date

Jul 4, 2011

Study Type

OBSERVATIONAL

Conditions

Chronic Traumatic Encephalopathy

Summary

to examine the relationship between repeated concussions and late decline of brain function. In addition, all participants agreeing to participate in the study will be asked to will their brains to The Krembil Neuroscience Centre Concussion Project at the Toronto Western Hospital with the consent and full knowledge of their families and doctors. However, it is possible to participate in the research without agreeing to a brain donation. The Project Team is specifically attempting a clinical-MRI-brain tissue research analysis to determine the exact mechanism of the damage to brain tissue following repeated concussions. This condition is known as chronic traumatic encephalopathy (CTE), and shows an abnormal protein in the brain called tau-protein.

Eligibility

Sex: MALEMin Age: 25 YearsMax Age: 85 Years

Inclusion Criteria1

fluent in English, and a history of multiple concussions , low exposures , or no concussions (Control group ). Determination of concussion exposure will be determined as follows: Previous concussion will be based on the player's recall of injury and defined as "an injury resulting from a blow to the head that caused an alteration in mental status and one or more of the following symptoms: headache, nausea, vomiting, dizziness/balance problems, fatigue, trouble sleeping, drowsiness, sensitivity to light or noise, blurred vision, difficulty remembering, and difficulty concentrating.

Exclusion Criteria1

Neurological disorders prior to concussions (e.g.: seizure disorder); systemic illnesses known to affect the brain (e.g., diabetes and lupus); a history of psychotic disorder; known developmental disorders (e.g., attention deficit disorder, dyslexia); history of migraines; and, active engagement in litigation.

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