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AAP Grand Rounds 11:16-17 (2004) Recurrent Concussions in College Football PlayersSources: (1) Guskiewicz KM, McCrea M, Marshall SW, et al. Cumulative effects associated with recurrent concussion in collegiate football players: the NCAA concussion study. JAMA. 2003;290:25492555.
An estimated 300,000 sport-related concussions occur annually in the United States.1 Recurrent concussion may lead to short and long-term sequelae that may be career-ending. Older studies reported an annual 1520% concussion incidence among high school football players and about 10% among college level players.2,3 More recent studies have reported lower concussion rates: 46% in high school and 45% in college level football players.4,5
Two studies from the University of North Carolina National Collegiate Athletic Association (NCAA) group expand our knowledge of concussion among college football players. The first study prospectively assessed the incidence of concussion and time to recovery from concussion among 2,905 collegiate football players at 25 US colleges between pre-season 1999 to the end of the 2001 season (totaling 4,251 player-season follow-ups for the 3 seasons). A pre-season graded symptom checklist (GSC) and an extensive health questionnaire regarding prior concussions and neurological and other medical history was obtained. Concussion was pre-defined as a blow to the head with altered mental status and 1
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