Following a review of video footage of all 64 matches in the 2014 World Cup, it was concluded that 15% of players who suffered head injuries received a concussion assessment from health care personnel.
The findings were published in a report on JAMA.
Four trained reviewers led by Dr. Michael Cusimano looked at players who exhibited two or more signs of sustaining a concussion, such as head-clutching, being slow to get up, disorientation and seizure-like movements.
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They found that head collisions happened 81 times and affected 61 players. Of the 81 cases, 14 players showed none or one sign of a concussion, 45 had two signs and 22 had three or more. The review found that health-care personnel assessed players in 12 cases. In 45 cases, the injured players were assessed by another player, referee or health-care personnel on the field, and 21 players received no assessment. Only three players were removed from play.
According to the Consensus statement on concussion in sport, when a player shows any sign of concussion, these steps…