The typical clinical scenario has been described by Cantu 4 and others. In a recent review, McCrory 5 raises questions about the existence of second-impact syndrome as it has been defined by Cantu and others. Thus, in some cases, the first impact might be more than a concussion. It is interesting to note that most cases of second-impact syndrome involve adolescent athletes. In addition, malignant cerebral edema secondary to head trauma has been described in the pediatric literature.
Many controversial issues remain in the diagnosis and treatment of concussions.
Because this is an area of public interest and research, many of the clinical questions are being addressed in current studies. Assessment and management of concussion in sports. Neuropsychological assessment of the college football player. Second impact syndrome. Second impact syndrome.