1/6/2023 0 Comments Its all over icpThe sum of the volumes of brain tissue, CSF, and intracranial blood is constant if one increases, one or both of the other two must decrease. The cranial vault is a fixed structure, so it can’t enlarge when its contents expand. TBI commonly leads to elevated intracranial pressure (ICP), which can have catastrophic consequences. ICP reflects the pressure of the cranial contents-cerebrospinalfluid (CSF), brain tissue, and blood. ![]() ![]() It contributes to about 30% of all injuryrelated deaths and accounts for about 2.5 million emergency department (ED) visits annually. Although most TBIs cause only mild effects, roughly 290,000 patients are hospitalized for TBI annually of those, about 51,000 die. However, over the past 3 decades, the overall mortality rate has declined from nearly 50% to approximately 25%. TBI occurs in all age groups, and its incidence is increasing. Some people recover completely with no cognitive deficits others remain in a persistent vegetative state. ![]() ![]() Traumatic brain injury (TBI) refers to blunt or penetrating head injury that disrupts normal brain functioning, causing impaired thinking and memory, personality changes, and possible sensory and motor changes.
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