Clinical neurosurgery
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In the last 5 years there has been a dramatic decrease in the deaths directly related to football participation. The incidence of serious spinal cord injuries, however, appears to be increasing. The number of quadriplegic athletes varies from an estimated 1 per 7,000 to 1 per 58,000 participants per year in different areas of the country. ⋯ Arbitrarily, most physicians discourage further football participation if an athlete has suffered three cerebral concussions. Strong consideration must be given, however, not only to the number and severity of the concussion, but also to any CAT scan evidence of cerebral edema, contusion, or hemorrhage. With this incredibly sensitive diagnostic tool, one concussion, which is associated with radiographic evidence of structural brain damage, may be enough to strongly discourage or forbid further football participation.