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About Traumatic Brain Injury

Every 21 seconds someone in the USA sustains a traumatic brain injury.
         ~Data Source: CDC


What is Traumatic Brain Injury?

Traumatic brain injury (TBI), a form of acquired brain injury, occurs when a sudden trauma causes damage to the brain. TBI can result when the head suddenly and violently hits an object, or when an object pierces the skull and enters brain tissue. Symptoms of a TBI can be mild, moderate, or severe, depending on the extent of the damage to the brain. A person with a mild TBI may remain conscious or may experience a loss of consciousness for a few seconds or minutes. Other symptoms of mild TBI include headache, confusion, lightheadedness, dizziness, blurred vision or tired eyes, ringing in the ears, bad taste in the mouth, fatigue or lethargy, a change in sleep patterns, behavioral or mood changes, and trouble with memory, concentration, attention, or thinking. A person with a moderate or severe TBI may show these same symptoms, but may also have a headache that gets worse or does not go away, repeated vomiting or nausea, convulsions or seizures, an inability to awaken from sleep, dilation of one or both pupils of the eyes, slurred speech, weakness or numbness in the extremities, loss of coordination, and increased confusion, restlessness, or agitation.
          ~Information Source: NIH

National Traumatic Brain Injury Estimates

  • Each year, an estimated 3.5 million people sustain a TBI annually.

  • TBI is a contributing factor to a third (30.5%) of all injury-related deaths in the United States.

  • About 75% of TBIs that occur each year are concussions or other forms of mild TBI.

  • Direct medical costs and indirect costs such as lost productivity of TBI totaled an estimated $76.5 billion in the United States in 2000.

What are the Leading Causes of TBI?

The leading causes of TBI are:The leading causes of TBI are: Falls (35.2%);  Motor vehicle-traffic crashes (17.3%); Struck by/against events (16.5%); and Assaults (10%);

  • Falls (35.2%)

  • Motor vehicle traffic (17.3%)

  • Struck by/against events (16.5%)

  • Assaults (10%).1

Falls continued to be the leading cause of TBI (35.2%) in the United States. Falls cause half (50%) of the TBIs among children aged 0 to 14 years and 61% of all TBIs among adults aged 65 years and older.

Motor Vehicle-Traffic Crashes
Among all age groups, motor vehicle crashes and traffic-related incidents were the second leading cause of TBI (17.3%) and resulted in the largest percentage of TBI-related deaths (31.8%).

Struck By/Against Events
Struck by/against events, which include colliding with a moving or stationary object, were the second leading cause of TBI among children aged 0 to 14 years, with 25%.

Assaults produced 10% of TBIs in the general population; they accounted for only 2.9% in children aged 0 to 14 years and 1% in adults aged 65 years old and older.

              ~Data Source: CDC




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