Source:Christensen J, Pedersen MG, Pedersen CB, et al. Long-term risk of epilepsy after traumatic brain injury in children and young adults: a population-based cohort study.
Lancet
.
2009
;
373
(9669):
1105
–1110; doi:10.1016/S0140-6736(09)60214-2

Investigators from the University of Aarhus, Aarhus, Denmark, sought to define the risk of epilepsy up to 10 or more years after traumatic brain injury (TBI) in a population-based cohort study. Data from the Danish Civil Registration System were used to identify 1,605,216 people born in Denmark between 1977 and 2002. Information about brain injury and epilepsy was obtained from the Danish National Hospital Register which contains information on all discharges from Danish hospitals since 1977. Brain injury was classified as “mild” (“concussion,” loss of consciousness <30 min, amnesia <24 hrs, confusion/disorientation, or focal [temporary] neurological deficit), “severe” (structural brain injury), or skull fracture.

Between 1977 and 2002, 78,572 people were identified with at least...

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