BACKGROUND AND PURPOSE The recognition and management of concussion in sport is
an evolving and controversial topic with a myriad of groups and organizations producing …

Traumatic brain injury (TBI) remains a significant source of death and permanent disability,
contributing to nearly one-third of all injury related deaths in the United States and exacting …

Concussion is a common sports injury with approximately 1.6–3.8 million sport-related
concussions reported in the USA annually. Identifying risk factors may help in preventing …

Chronic traumatic encephalopathy (CTE) is a progressive neurodegenerative disease that
occurs in association with repetitive mild traumatic brain injury. It is associated with a variety …

Postconcussion syndrome is a symptom complex with a wide range of somatic, cognitive,
sleep, and affective features, and is the most common consequence of traumatic brain injury …

Background Second impact syndrome is a devastating injury that primarily affects athletic
children and young adults. It occurs when a second concussion occurs before symptoms …

Background Sport-related concussions are a subset of mild traumatic brain injuries and are
a concern for many sporting activities worldwide. Objective To review and update the …

Almost a century ago, the first clinical account of the punch-drunk syndrome emerged,
describing chronic neurological and neuropsychiatric sequelae occurring in former boxers …

Context: Currently, no consensus exists for grading the severity of concussions. Identification
of risk factors that may affect concussion risk and the likelihood of prolonged recovery can …

Mild traumatic brain injury (mTBI) manifests a wide array of clinical features, indicating great
heterogeneity of its underlying pathologic features. mTBI diversity is related to pre-injury …