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Head injuries are one of the most common causes of disability and death in children. The injury can be as mild as a bump, bruise (contusion), or cut on the head, or can be moderate to severe in nature due to a concussion, deep cut or open wound, fractured skull bone(s), or from internal bleeding and damage to the brain. The Centers for Disease Control and Prevention (CDC) estimates that more than 10,000 children become disabled from a brain injury each year.
A head injury is a broad term that describes a vast array of injuries that occur to the scalp, skull, brain, and underlying tissue and blood vessels in the child's head. Head injuries are also commonly referred to as brain injury, or traumatic brain injury (TBI), depending on the extent of the head trauma.
A concussion is an injury to the head area that may cause instant loss of awareness or alertness for a few minutes up to a few hours after the traumatic event.
A contusion is a bruise to the brain. A contusion causes bleeding and swelling inside of the brain around the area where the head was struck.
A skull fracture is a break in the skull bone. There are four major types of skull fractures, including the following:
There are many causes of head injury in children. The more common injuries are falls, motor vehicle accidents (where the child is either riding as a passenger in the car or is struck as a pedestrian), or a result of child abuse.
The risk of head injury is high in the adolescent population and is twice as frequent in males than in females. Studies show that head injuries are more common in the spring and summer months when children are usually very active in outdoor activities such as riding bicycles, in-line skating, or skateboarding. The most common time associated with head injuries is late in the afternoon to early evening hours, and on weekends.
When there is a direct blow to the head, shaking of the child (as seen in many cases of child abuse), or a whiplash-type injury (as seen in motor vehicle accidents), the bruising of the brain and the damage to the internal tissue and blood vessels is due to a mechanism called coup-countercoup. A bruise directly related to trauma, at the site of impact, is called a coup lesion (pronounced COO). As the brain jolts backwards, it can hit the skull on the opposite side and cause a bruise called a counter coup lesion. The jarring of the brain against the sides of the skull can cause shearing (tearing) of the internal lining, tissues, and blood vessels that may cause internal bleeding, bruising, or swelling of the brain.
The following are the most common symptoms of a head injury. However, each child may experience symptoms differently. The child may have varying degrees of symptoms associated with the severity of the head injury. The symptoms of a mild head injury may include:
The symptoms of a head injury may resemble other problems or medical conditions. Always consult your child's physician for diagnosis.
The full extent of the problem may not be completely understood immediately after the injury, but may be revealed with a comprehensive medical evaluation and diagnostic testing. The diagnosis of a head injury is made with a physical examination and diagnostic tests. During the examination, the physician obtains a complete medical history of the child and family and asks how the injury occurred. Trauma to the head can cause neurological problems and may require further medical follow up.
Diagnostic tests may include:
Specific treatment of a head injury will be determined by your child's physician based on:
Depending on the severity of the injury, treatment may include:
Treatment is individualized depending on the extent of the condition and the presence of other injuries. If your child has a head injury, he/she may require monitoring for increased intracranial pressure (pressure inside the skull). Head injury may cause the brain to swell. Since the brain is covered by the skull, there is only a small amount of room for it to swell. This causes pressure inside the skull to increase, which can lead to brain damage.
Intracranial pressure is measured in two ways. One way is to place a small hollow tube (catheter) into the fluid-filled space in the brain (ventricle). Other times, a small hollow device (bolt) is placed through the skull into the space just between the skull and the brain. Both devices are inserted by the physician either in the intensive care unit or in the operating room. The ICP device is then attached to a monitor that gives a constant reading of the pressure inside the skull. If the pressure goes up, it can be treated right away. While the ICP device is in place your child will be given medicine to stay comfortable. When the swelling has gone down and there is little chance of more swelling, the device will be removed.
The key is to promote a safe playing environment for children and to prevent head injuries from occurring. The use of seat belts when riding in the car and helmets (when worn properly) for activities such as bicycle riding, in-line skating, and skateboarding may protect the head from sustaining severe injuries.
Children who suffer a severe brain injury may lose part(s) of muscle, speech, vision, hearing, or taste function depending on the area of brain damage. Long- or short-term changes in personality or behavior may also occur. These children require life-long medical and rehabilitative (physical, occupational, or speech therapy) management.
The extent of the child's recovery depends upon the type of brain injury and other medical problems that may be present. It is important to focus on maximizing the child's capabilities at home and in the community. Positive reinforcement will encourage the child to strengthen his/her self-esteem and promote independence.
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Online Resources of Neurological Disorders
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