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Case Reports

Second Impact Syndrome

A Risk in Any Contact Sport

Pages 27-34 | Published online: 18 Dec 2017
 

In brief

The known risk of second impact syndrome (SIS) in football has elevated the importance of postconcussion and precompetition exams of injured football players. Six case reports demonstrate that the same mechanism of injury—minor head trauma in a player who still has symptoms from a previous concussion—can cause second impact syndrome in any contact sport. It is important to monitor postconcussion symptoms, which include headache, light-headedness, and impaired consciousness. Return-to-play guidelines for football and boxing provide a basis for making safe activity recommendations for other sports.

Additional information

Notes on contributors

Robert C. Cantu

Dr Cantu is chief of the Neurosurgery Service and director of the Service of Sports Medicine at Emerson Hospital in Concord, Massachusetts. He is medical director of the National Center for Catastrophic Sports Injury Research in Chapel Hill, North Carolina, and an editorial board member of the physician and sportsmedicine.

Robert Voy

Dr Voy is the director of the Center for Sports Medicine at Family Practice & Fitness in Las Vegas. Both are fellows of the American College of Sports Medicine.

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