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The age groups most at risk for TBI are children ages five to nine and adults over age 80, [9] and the highest rates of death and hospitalization due to TBI are in people over age 65. [140] The incidence of fall-related TBI in First-World countries is increasing as the population ages; thus the median age of people with head injuries has increased.
In TBI, primary injuries result immediately from the initial trauma. [6] Primary injury occurs at the moment of trauma and includes contusion, damage to blood vessels, and axonal shearing, in which the axons of neurons are stretched and torn. [1] The blood brain barrier and meninges may be damaged in the primary injury, and neurons may die. [7]
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e ...
More than 795,000 people in the U.S. have a stroke each year, which is a leading cause of serious long-term disability. Many of the leading risk factors for stroke are modifiable, making ...
Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death. [2]
Focal and diffuse brain injury are ways to classify brain injury: focal injury occurs in a specific location, while diffuse injury occurs over a more widespread area.It is common for both focal and diffuse damage to occur as a result of the same event; many traumatic brain injuries have aspects of both focal and diffuse injury. [1]
Men are 25% more likely to develop stroke than women, [53] yet 60% of deaths from stroke occur in women. [233] Since women live longer, they are older on average when they have stroke and thus more often killed. [53] Some risk factors for stroke apply only to women. Primary among these are pregnancy, childbirth, menopause, and the treatment thereof
Silent stroke is a stroke which does not have any outward symptoms, and the patient is typically unaware they have had a stroke. Despite its lack of identifiable symptoms, a silent stroke still causes brain damage and places the patient at increased risk for a major stroke in the future.