Nonconvulsive Seizures of Traumatic Brain Injury Patients

Seizures are common consequence of traumatic brain injury (TBI) and have been reported in clinical series as an incidence of 15% to 22% in patients of traumatic brain injury. Nonconvulsive seizures (NCS) are also common that approximately 10% of patients have been suffered from electroencephalographically detected seizures during the acute period of TBI. Early posttraumatic seizures are one cause of clinical deterioration and may worsen the resultant outcome. NCSs are often unrecognized during the early period of hospitalization because it often presented as changes of consciousness, which can be misunderstood as a clinical deterioration owing to such as brain edema. Furthermore, NCS can only be confirmed by electroencephalographic (EEG) recording which is not always possible for all traumatic brain injury patients. The purpose of this study is to investigate clinical manifestations of NCS during the early period of hospitalization in the traumatic brain injury patients with or without brain surgery.