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CONCUSSIONS: HOW THEY CAN AFFECT YOU NOW AND LATER  

Nov 17, 2016 12:00 AM

Author: Office of Public Affairs

A concussion is a mild form of traumatic brain injury (TBI) that affects how your brain functions. These effects can be short-term, lasting only a few hours or a couple of days, or cause long-term problems.

Concussions occur as the result of a traumatic blow to the head that causes the head and brain to move rapidly back and forth in a whiplash-like fashion. The sudden movement causes the brain to bounce and twist around inside the skull, stretching and damaging the delicate cells and structures inside your brain. This damage can cause physical and chemical changes in your brain to affect how it functions.

While medical professionals usually describe concussions as a mild form of TBI, even the mildest concussions can cause serious effects.

Concussions Are More Common Than You May Think

Concussions are becoming more common in children. The number of ED visits related to concussions and TBIs rose 57 percent in children from 2001 to 2009, according to the Centers for Disease Control and Prevention (CDC). Falls were the leading cause of TBIs in youngsters, accounting for about 40 percent of all traumatic brain injuries occurring in this age group.

About 300,000 TBIs occur each year as the result of sports, according to a study published in the Journal of Athletic Training. Female athletes have higher rates of concussions than do their male counterparts, according to the American Physical Therapy Association. While concussions can occur during nearly any sport, they are most common in football, wrestling, ice hockey, basketball, field hockey and lacrosse.

Concussions can also happen as the result of car crashes, physical altercations, and accidental falls.

No matter how they happen, concussions injure your brain to some extent and they all require time to heal. Brain injury from even the mildest concussion can have short-term and long-term effects. The effects of a concussion can be subtle and change over time. Symptoms can last for days, weeks or longer.

Short Term Effects of a Concussion

After suffering a concussion, many people experience headache and confusion. Some people experience loss of memory and are unable to remember the event. The amnesia may or may not follow loss of consciousness.

In addition to loss of balance or dizziness, concussions may cause:

  • Headache
  • A temporary loss of consciousness
  • Feeling as if your brain is in a fog
  • Delayed response to questions
  • Dizziness
  • Ringing in your ears
  • Nausea and vomiting
  • Fatigue
  • Blurred vision
  • Sensitivity to light and sound

Head trauma is very common in young children, especially in toddlers who are learning to walk, run and play. Short-term effects may be difficult to recognize in children because youngsters may not be able to describe how they feel. After a child hits his head, watch for non-verbal clues of a concussion, such as:

  • Appearing dazed
  • Listlessness
  • Tires out easily
  • Irritability, crankiness
  • Excessive crying
  • Loss of balance
  • Unsteady walking
  • Changes in eating or sleeping patterns

Long Term Effects of a Concussion

Some symptoms of a concussion develop hours or days after the traumatic brain injury occurred. These symptoms include:

  • Trouble concentrating
  • Memory problems
  • Irritability and other personality changes
  • Sensitivity to light and noise
  • Sleep disturbances
  • Depression and other psychological problems
  • Disorders of smell and taste

Long-term effects of concussion are rare. In fact, the vast majority of people see any symptoms resolve within a few weeks. Only about 20 percent of people might suffer from post-concussion syndrome, where they continue to experience symptoms after six weeks. However, the more concussions you get, the more likely you are to suffer long term consequences, especially if you don’t give your brain enough time to heal between injuries.

“At some level, concussions result in a brain injury, so we’re certainly worried about the accumulative effects of concussions,” says Gregory Hawryluk, MD, neurosurgeon and concussion specialist at University of Utah Health. “We’re starting to learn that perhaps these seemingly minor blows to the head, when they’re accumulative, can lead to depression and behavior change. In fact, we think that some suicides may be linked to the brain damage that results from multiple concussions.”

When to See a Doctor for Concussion

To reduce the risk of short-term problems associated with concussions from turning into long-term problems, see a doctor within one to two days of a head injury, even if you or your child does not require emergency treatment.

Original Article – https://healthcare.utah.edu/healthfeed/postings/2016/11/concussion.php

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