A closed head injury is
to the head that causes the skull and brain to knock or shake. Internal damage can occur to the:
SkullBrainBlood vesselsLayers between the skull and scalp
This damage can cause swelling or pressure on the brain. The injury can be throughout the brain and skull. Or it can be in one region.
Often times, the head injury is minor. But it can serious and life threatening. It requires care from a doctor.
Closed head injuries are caused by trauma to the head. This is often due to: Accidents (eg, automobile, work-related, sports-related)FallsAbuse
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These factors increase your chance of developing a closed head injury: Being of advanced age (due to greater risk of falls)Being of relatively young age (higher risk of motor vehicle accidents)Playing high-impact sports (especially boxing, basketball, baseball, football)
Being physically abused (eg,
shaken baby syndrome
Having a previous head injury or
Tell your doctor if you have any of these risk factors.
Symptoms can appear right away or the days and weeks following the injury.
If you have any of these symptoms. do not assume it is due to closed head injury. These symptoms may be caused by other conditions. Tell your doctor if you have any of these:
Symptoms of a concussion:
Confusion, loss of memory about the accidentLow-grade headache or neck painNauseaHaving trouble remembering, paying attention, organizing, making decisionsSlowness in thinking, acting, speaking, or readingFeeling fatigued or tiredChange in sleeping pattern (eg, sleeping longer, having trouble sleeping)Loss of balance, feeling light-headed or dizzyIncreased sensitivity to sounds, light, distractionsBlurred vision or eyes that tire easilyLoss of sense of taste or smellRinging in the earsFeeling sad, anxious, or listless, lacking motivationBecoming easily irritated or angry for little or no reason
Symptoms of a
or focal brain injury:
Leaking cerebrospinal fluidBlood in the earsWeakness or numbness of the limbsPainSwelling, tenderness at injury siteHeadacheHearing lossProgressive worsening of cognition or level of alertness
Be sure you know which symptoms your doctor needs to know about right away. If you have been evaluated for a closed head injury and your symptoms are getting worse, get medical help right away.
Your doctor will ask about your symptoms and medical history. He will also do a physical exam. You may be referred to a neurologist for special testing.
Tests may include: CT scan
—a type of x-ray that uses a computer to make pictures of structures inside the head
—a test that uses magnetic waves to make pictures of structures inside the head
Blood testsNeurological examinationNeuropsychological testsEEG
(electroencephalogram)—a noninvasive test used to evaluate brain function
If you are diagnosed as a closed head injury, follow your doctor's
Talk with your doctor about the best treatment plan for you. Treatment will depend on: Your symptomsLocation and severity of the injury
Treatment options include the following:
For minor injury with little or no symptoms, your doctor may advise that you watch for symptoms to develop in the days and weeks that follow.
If you have a concussion, a responsible adult will need to observe you. You may also need to limit drug and alcohol use.
You may need more testing done. These tests assess how your brain functions. The results can help your doctor determine: How you are recoveringWhether you are ready to return to high-impact activities
Your doctor may prescribe medicine to: Reduce pressure inside the head or brain swellingPrevent seizures (given in some cases)Reduce pain
This usually involves making “burr holes” in the scalp and skull and draining the clotting blood. Sometimes a section of the skull is removed to relieve pressure. This is called a craniotomy.
To help reduce your chances of getting a closed head injury, take the following steps: Do not drink alcohol and drive.Do not take medicines that may make you sleepy, especially when driving or using heavy equipment.Obey speed limits and other driving laws.In vehicles, always use seatbelts, shoulder harnesses, and child safety seats. Only use child safety seats when traveling. Do not use them outside of the vehicle.Learn about the air bags in your car.
Wear a helmet when:
Riding a bike or motorcyclePlaying a contact sport like football, soccer, or hockeyUsing skates, scooters, and skateboardsCatching, batting, or running bases in baseball or softballRiding a horseSkiing or snowboardingWear mouth guards, face guards, pads, and other safety gear while playing sports.Make sure your child's play surface is soft and free of rocks, holes, and debris.
Reduce falling hazards at home for children and adults, by:
Using handrails when walking up and down stairsHaving safety gates by stairs and safety guards by windowsUsing grab bars in the bathroomPlacing non-slip mats in the bathroomKeeping walkways clear to avoid trippingMaking sure rooms and hallways are well-litKeep firearms and bullets locked safely away.
American Academy of Pediatrics. The management of minor closed head injuries in children.
10/5/2010 DynaMed's Systematic Literature Surveillance
DynaMed's Systematic Literature Surveillance
: Parikh SN, Wilson L. Hazardous use of car seats outside the car in the United States, 2003-2007.
Last reviewed [Under Medical Review] by Lawrence Frisch, MD, MPH
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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