Traumatic brain injury has been major cause of mortality and morbidity worldwide, especially in children and young adults and it has been continuing a difficult problem in intensive care units. Brain trauma can be caused by a direct impact or by acceleration alone. In addition to the damage caused at the moment of injury, brain trauma causes secondary injury, a variety of events that take place in that minutes and/or days following the injury Secondary brain injury is attributable to a decrease in cerebral oxygen delivery as a result of hypertension, hypoxia, cerebral oedema, intracranial hypertension or abnormalities in cerebral blood flow. Although the severity of primary brain.
