Abstract:
OBJECTIVE:We sought to determine the duration of cognitive impairment after sports concussion. METHODS:We conducted a study with a prospective design in which 729 athletes underwent preseason baseline testing by being administered a computerized neuropsychological test battery, followed by retesting at regular intervals after they sustained sports-related concussions. A control group consisting of nonconcussed athletes drawn from the same baseline population underwent testing at parallel intervals. RESULTS:Cognitive impairment in this primarily American Academy of Neurology Grade II sample of boxing concussions was apparent on the day of injury and at 1 to 2 days postinjury. Recovery of cognitive performance occurred during the 3- to 7-day interval. Comparison with control subjects showed that absent or attenuated practice effects, in addition to frank deterioration from baseline, were indications of recent concussion. CONCLUSION:The present findings of recovery during the 3- to 7-day interval postinjury are consistent with the American Academy of Neurology Grade II return-to-play practice parameters suggesting a 1-week time-out from participation in contact sports.
journal_name
Neurosurgeryjournal_title
Neurosurgeryauthors
Bleiberg J,Cernich AN,Cameron K,Sun W,Peck K,Ecklund PJ,Reeves D,Uhorchak J,Sparling MB,Warden DLdoi
10.1227/01.neu.0000118820.33396.6akeywords:
subject
Has Abstractpub_date
2004-05-01 00:00:00pages
1073-78; discussion 1078-80issue
5eissn
0148-396Xissn
1524-4040journal_volume
54pub_type
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