traumatic brain injury

n. Abbr. TBI Injury to the brain caused by an external force such as a violent blow to the head, resulting in loss of consciousness, memory loss, dizziness, and confusion, and in some cases leading to long-term health effects, including motor and sensory problems, cognitive and behavioral dysfunction, and dementia.

trau·mat·ic brain in·ju·ry

(TBI) (traw-mat'ik brān in'jŭr-ē) An insult to the brain as the result of physical trauma or external force, not degenerative or congenital, that may cause a diminished or altered state of consciousness and may impair cognitive, behavioral, physical, or emotional functioning.
Synonym(s): acquired brain injury.

traumatic brain injury

Abbreviation: TBI
Any injury involving direct trauma to the head, accompanied by alterations in mental status or consciousness. TBI is one of the most common causes of neurological dysfunction in the U.S. Each year about 50,000 people die from brain trauma, and an additional 70,000 to 90,000 sustain persistent neurological impairment because of it. About 5.3 million Americans live with TBI disabilities. The most common causes of TBI are motor vehicle or bicycle collisions; falls; gunshot wounds; assaults and abuse; and sports-related injuries. Twice as many males as females suffer TBIs, with the incidence highest between ages 15 and 24. People over 75 are also frequently affected (because of falls).

Patient care

Many traumatic injuries to the head and brain are preventable if simple precautions are followed: motorists should never drive while intoxicated; cyclists and bicyclists should always wear helmets; frail, elderly people should wear supportive footwear and use sturdy devices to assist them while walking.

Symptoms of TBI may include problems with concentration, depressed mood, dizziness, headaches, impulsivity, irritability, post-traumatic stress, or, in severe injuries, focal motor, sensory or verbal deficits. Late effects of severe or repeated injuries can include dementia, Parkinsonism, or amyotrophic lateral sclerosis (Lou Gehrig's disease).

CAUTION!

If an injury to the brain has occurred or is suspected, the victim should not be moved until spinal precautions are carefully implemented. Serial neurologic assessments are carried out to identify the severity of injury and any subsequent deterioration, using the Glasgow Coma Scale.

TBIs can produce intracranial hemorrhage (epidural hematoma [EDH]), subdural hematoma (SDH), intracerebral hemorrhage (ICH), and traumatic subarachnoid hemorrhage (SAH); cerebral contusions; concussion (with postconcussive syndrome); and diffuse axonal injury (DAI). Treatments vary depending upon the type of injury that occurred. Synonym: cerebral concussion

See: table See also: injury

trau·mat·ic brain in·ju·ry

(TBI) (traw-mat'ik brān in'jŭr-ē) An insult to the brain as the result of physical trauma or external force, not degenerative or congenital, which may cause a diminished or altered state of consciousness and may impair cognitive, behavioral, physical, or emotional functioning.

单词	traumatic brain injury
释义	traumatic brain injury traumatic brain injury n. Abbr. TBI Injury to the brain caused by an external force such as a violent blow to the head, resulting in loss of consciousness, memory loss, dizziness, and confusion, and in some cases leading to long-term health effects, including motor and sensory problems, cognitive and behavioral dysfunction, and dementia. EncyclopediaSeeinjury traumatic brain injury traumatic brain injury n. Abbr. TBI Injury to the brain caused by an external force such as a violent blow to the head, resulting in loss of consciousness, memory loss, dizziness, and confusion, and in some cases leading to long-term health effects, including motor and sensory problems, cognitive and behavioral dysfunction, and dementia. trau·mat·ic brain in·ju·ry (TBI) (traw-mat'ik brān in'jŭr-ē) An insult to the brain as the result of physical trauma or external force, not degenerative or congenital, that may cause a diminished or altered state of consciousness and may impair cognitive, behavioral, physical, or emotional functioning. Synonym(s): acquired brain injury. traumatic brain injury Abbreviation: TBI Any injury involving direct trauma to the head, accompanied by alterations in mental status or consciousness. TBI is one of the most common causes of neurological dysfunction in the U.S. Each year about 50,000 people die from brain trauma, and an additional 70,000 to 90,000 sustain persistent neurological impairment because of it. About 5.3 million Americans live with TBI disabilities. The most common causes of TBI are motor vehicle or bicycle collisions; falls; gunshot wounds; assaults and abuse; and sports-related injuries. Twice as many males as females suffer TBIs, with the incidence highest between ages 15 and 24. People over 75 are also frequently affected (because of falls). Patient care Many traumatic injuries to the head and brain are preventable if simple precautions are followed: motorists should never drive while intoxicated; cyclists and bicyclists should always wear helmets; frail, elderly people should wear supportive footwear and use sturdy devices to assist them while walking. Symptoms of TBI may include problems with concentration, depressed mood, dizziness, headaches, impulsivity, irritability, post-traumatic stress, or, in severe injuries, focal motor, sensory or verbal deficits. Late effects of severe or repeated injuries can include dementia, Parkinsonism, or amyotrophic lateral sclerosis (Lou Gehrig's disease). CAUTION! If an injury to the brain has occurred or is suspected, the victim should not be moved until spinal precautions are carefully implemented. Serial neurologic assessments are carried out to identify the severity of injury and any subsequent deterioration, using the Glasgow Coma Scale. TBIs can produce intracranial hemorrhage (epidural hematoma [EDH]), subdural hematoma (SDH), intracerebral hemorrhage (ICH), and traumatic subarachnoid hemorrhage (SAH); cerebral contusions; concussion (with postconcussive syndrome); and diffuse axonal injury (DAI). Treatments vary depending upon the type of injury that occurred. Synonym: cerebral concussion See: table See also: injury trau·mat·ic brain in·ju·ry (TBI) (traw-mat'ik brān in'jŭr-ē) An insult to the brain as the result of physical trauma or external force, not degenerative or congenital, which may cause a diminished or altered state of consciousness and may impair cognitive, behavioral, physical, or emotional functioning. LegalSeeInjuryAcronymsSeeTBI
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