Brain injuries occur due to trauma, infection, lack of oxygen, or vascular occlusion. In children, they may lead to permanent neurological consequences such as developmental delay, epilepsy, and movement disorders. Early diagnosis and rehabilitation are important.

Trauma-related brain injuries are common in children. After a blow to the head, loss of consciousness, vomiting, or neurological findings may develop. In this case, emergency imaging and neurological evaluation should be performed. Early intervention reduces permanent damage.

Infection or lack of oxygen during birth may also cause damage to brain tissue. Such conditions may lead to progressive epilepsy, spasticity, or learning difficulties. Intensive care support and early rehabilitation determine the course of the process.

In brain injuries, treatment is planned according to the source and severity of the damage. Drug treatments, physical therapy, occupational therapy, and special education support improve the quality of life of children. Multidisciplinary follow-up is the basic approach in reducing neurological sequelae.

What Is Brain Injury in Children?

Brain injury in children, in its simplest definition, is any event or condition that causes a temporary or permanent disruption in the normal functioning of the brain. This disruption may be a physical damage occurring in the structure of the brain, or it may be a problem in the chemical or electrical activity of the brain. The brain is one of the most complex and vital organs of our body, and it controls many functions from our thoughts to our movements, from our emotions to our ability to learn. Therefore, damage occurring in the brain may affect many areas of a child’s life.

We can roughly divide brain injuries into two main categories: traumatic brain injury (TBI) and non-traumatic brain injury (NTBI). Traumatic brain injury generally occurs as a result of a blow or jolt to the head or body. Such injuries may occur as a result of a fall, an accident, a sports injury, or an act of violence. Non-traumatic brain injury, on the other hand, occurs due to various medical conditions within the body without an external physical force. Examples of these conditions include lack of oxygen, stroke, infections, brain tumors, and some metabolic disorders.

How serious the brain injury is depends on the cause of the injury, which area of the brain is affected, and the severity of the damage. It may have effects ranging from a mild concussion to permanent disabilities or even death. Since children’s brains are still in the process of development, the effects of brain injuries may be different from those in adults, and it may sometimes be difficult to predict long-term outcomes. However, with early diagnosis and appropriate treatment, children’s chance of recovery can be significantly increased. We can compare brain injury to damage occurring in a sensitive computer. Just as a computer cannot function properly when there is a problem in its hardware or software, our brain may not be able to perform its normal functions when damage occurs in it.

What Causes Traumatic Brain Injury in Children?

There may be many different causes of traumatic brain injury in children, and these causes may vary according to the child’s age, developmental level, and environmental factors. However, in general, we can list the most common causes of traumatic brain injury as follows:

• Falls: Especially in small children, falls are common during activities such as crawling, walking, or climbing. Babies and small children can easily lose their balance because their motor skills are not yet fully developed and their heads are larger in proportion to their bodies. Therefore, falls from cribs, changing tables, stairs, window edges, or playgrounds may lead to traumatic brain injury. In older children, falls from trees, bicycles, or skateboards may also pose a risk.
• Motor Vehicle Accidents: Among older children and adolescents, motor vehicle accidents are one of the leading causes of traumatic brain injury. These accidents may occur when the child is a passenger in a vehicle, is struck by a vehicle as a pedestrian, or is involved in an accident while riding a bicycle. Not using a seat belt while in a vehicle or not using an appropriate child seat significantly increases the risk of brain injury during an accident.
• Sports Injuries: Especially during contact sports (such as football, basketball, hockey, combat sports) and high-speed sports (such as skiing, snowboarding, bicycle racing), head trauma may occur. Such injuries may result from a direct blow, as well as from collisions or falls. Repeated head trauma may lead to long-term neurological problems, especially in children whose brains are not yet fully developed.
• Acts of Violence: Unfortunately, child abuse is also an important and sad cause of traumatic brain injury. Acts such as violently shaking babies (shaken baby syndrome), directly hitting the head, or throwing the child may lead to serious brain injuries. In addition, firearm injuries are also a rare but serious cause of traumatic brain injury in children.
• Other Causes: Apart from these, accidents occurring in playgrounds, bicycle or skateboard accidents, being hit on the head by an object, or events such as explosions may also cause traumatic brain injury in children.

There are also some factors that increase the risk of traumatic brain injury. For example, having had previous head trauma, some medical conditions (such as seizure disorders), and risky behaviors (such as not wearing a helmet, not using a seat belt) may increase this risk. Just as the damage a fruit receives when it falls depends on the height from which it fell and the ground it lands on, the severity of traumatic brain injury also varies according to the type and severity of the trauma.

How Does Non-Traumatic Brain Injury Occur in Children?

Non-traumatic brain injury, as the name suggests, occurs as a result of various medical conditions within the body without an external physical force. This type of injury may result from problems related to the brain’s oxygenation, blood flow, metabolism, or structure. The main causes leading to non-traumatic brain injury are as follows:

Lack of Oxygen (Anoxic Brain Injury): When the brain cannot get enough oxygen, brain cells begin to be damaged rapidly. Conditions such as cardiac arrest, drowning, severe respiratory failure, or poisoning may block the flow of oxygen to the brain and lead to anoxic brain injury. Brain cells, just as a car needs fuel, constantly need oxygen, and the interruption of oxygen may cause serious damage.

Vascular Problems (Stroke): If a blockage in the vessels carrying blood to the brain (ischemic stroke) or a hemorrhage (hemorrhagic stroke) occurs, brain tissue may be damaged. Although stroke is rarer in children than in adults, it may occur due to causes such as congenital heart problems, blood clotting disorders, or some infections.

Infections: Central nervous system infections such as inflammation of the membranes surrounding the brain and spinal cord (meningitis) or inflammation of the brain tissue (encephalitis) may lead to brain injury. These infections may be caused by bacteria, viruses, fungi, or parasites.

Brain Tumors: Tumors formed as a result of abnormal cell growth in the brain may cause brain injury by putting pressure on brain tissue, impairing blood flow, or directly destroying brain cells. Brain tumors seen in children may be benign (non-cancerous) or malignant (cancerous).

Metabolic Disorders: Disruptions in the body’s normal chemical processes may adversely affect brain functions. For example, excessively low blood sugar (hypoglycemia) or high blood sugar (hyperglycemia), electrolyte imbalances, and conditions such as liver or kidney failure may lead to metabolic encephalopathy and brain injury.

Toxic Substances: Exposure to heavy metals such as lead and mercury, some medications, alcohol, or environmental toxins may also cause brain injury. These substances may directly damage brain cells or impair brain functions.

Other Causes: Hydrocephalus (excessive fluid accumulation in the brain), some genetic disorders, and inflammatory conditions are among the other causes that may lead to non-traumatic brain injury.

What Are the Symptoms of Brain Injury in Children?

The symptoms of brain injury in children may vary greatly according to the type of injury (traumatic or non-traumatic), its severity, which area of the brain is affected, and the child’s age. Symptoms may appear suddenly or may develop gradually. Here are some of the common symptoms of brain injury in children:

In Babies and Young Children:

• Changes in feeding or sucking habits
• Constant and inconsolable crying or increased irritability
• Disruptions in the normal sleep pattern
• Lack of interest in favorite toys or activities
• Frequent vomiting
• Seizures (convulsions)
• Swelling in the fontanel area
• Excessive sleepiness or difficulty waking up

In Older Children and Adolescents:

• Headache
• Nausea or vomiting
• Dizziness
• Balance problems
• Memory or concentration difficulties
• Confusion
• Sleepiness or excessive fatigue
• Changes in mood (such as irritability, nervousness, sadness)
• Sleep problems (insomnia or excessive sleeping)
• Loss of consciousness (short-term or long-term)
• Seizures
• Weakness or numbness in some parts of the body
• Vision changes (such as double vision, blurred vision)
• Speech difficulties (such as slurred speech)

Symptoms of Mild Traumatic Brain Injury (Concussion):

• Headache
• Nausea or vomiting
• Fatigue or drowsiness
• Speech problems
• Dizziness or loss of balance
• Short-term loss of consciousness (may last seconds or minutes) or lightheadedness, confusion, or disorientation without loss of consciousness
• Memory and concentration problems
• Mood changes or sudden emotional changes
• Feeling of depression or anxiety
• Difficulty sleeping or excessive sleeping

Symptoms of Moderate and Severe Traumatic Brain Injury:

• Prolonged loss of consciousness lasting minutes or hours
• Severe headache that worsens over time
• Repeated vomiting or nausea
• Seizures or convulsions
• Enlargement of one or both pupils
• Clear fluid coming from the nose or ears
• Not waking up from sleep
• Weakness or numbness in the fingers or toes
• Loss of coordination
• Deep confusion, agitation, aggression, or other unusual behaviors
• Slurred speech or difficulty speaking
• Coma

If you notice any of these symptoms in your child, it is important to consult a doctor immediately. Remember that not every brain injury presents in the same way, and symptoms may vary from person to person. Just as different flowers in a garden have different needs, each child’s brain injury may also show itself with its own unique symptoms.

How Is Brain Injury Diagnosed in Children?

The diagnosis of brain injury in children includes a careful clinical evaluation and, when necessary, the performance of various diagnostic tests. The aim is to determine the presence, cause, and severity of the brain injury and to begin appropriate treatment. The diagnostic process generally includes the following steps:

• Medical History: The doctor first takes the child’s and the family’s medical history in detail. This includes obtaining information about accidents, falls, sports injuries, or any medical condition the child has experienced. In addition, the child’s current symptoms, when they started, and how they developed are also questioned. Especially if traumatic brain injury is suspected, information obtained from witnesses or caregivers about how the event occurred is very valuable.
• Physical and Neurological Examination: The doctor performs a physical examination to evaluate the child’s general health condition. Then, a neurological examination is performed to evaluate brain functions. During this examination, the child’s level of consciousness (using scales such as the Glasgow Coma Scale), mental state (alertness, orientation, responsiveness), functions of the cranial nerves (such as vision, hearing, facial movements), motor and sensory functions (muscle strength, sensation, reflexes), and coordination are evaluated.

Imaging Studies:

• Computed Tomography (CT): This is generally the first imaging method performed in a suspected traumatic brain injury. A CT scan creates detailed cross-sectional images of the brain using a series of X-rays. CT is especially very useful for rapidly detecting skull fractures, hemorrhages within the brain, blood clots (hematoma), bruising in the brain tissue (contusion), and swelling in the brain tissue (edema).
• Magnetic Resonance Imaging (MRI): MRI creates even more detailed images of the brain using powerful radio waves and magnets. Although CT is generally the first choice in acute traumatic brain injury, MRI may be used after the patient’s condition becomes stable or if symptoms continue even though the CT scan is normal. MRI is more sensitive than CT especially in detecting some types of brain injury such as diffuse axonal injury (DAI) and smaller lesions that may not be visible on a CT scan.
• Intracranial Pressure (ICP) Monitoring: In children with severe traumatic brain injury, especially those showing signs of increased intracranial pressure or needing mechanical ventilation, doctors may continuously monitor intracranial pressure (ICP) by placing a probe into the skull. Swelling in brain tissue may cause ICP to rise, and if this is not managed appropriately, it may cause further damage to the brain.
• Other Diagnostic Evaluations: Depending on the child’s clinical condition and the findings of the initial evaluation, other diagnostic tests may also be considered. For example, if the child has a history of seizures or is at high risk of developing seizures, an electroencephalogram (EEG) may be performed to evaluate brain activity. If non-traumatic brain injury is suspected, additional tests such as blood tests, urine tests, or cerebrospinal fluid (CSF) analysis may be performed to determine the underlying cause.

What Are the Long-Term Effects of Brain Injury in Children?

Both traumatic and non-traumatic brain injuries in children may lead not only to short-term complications but also to long-term and permanent effects. These effects may affect many areas of the child’s life and may continue for many years. The type and severity of the long-term effects depend on the type of brain injury, its location, its initial severity, and the child’s age at the time of injury. Although children’s developing brains have greater neuroplasticity, which allows some functions to recover, they may also be more vulnerable to some types of injury and their long-term consequences. Here are some of the common long-term effects of brain injury in children:

Physical Effects:

• Impairments in Motor Skills: Motor problems such as weakness, spasticity (increased muscle tone), or paralysis may occur.
• Balance and Coordination Problems: Difficulties may be experienced in walking, running, or fine motor skills.
• Sensory Losses: Decrease or loss may occur in the senses of vision, hearing, taste, or smell.
• Chronic Pain: Headache or other body pains may become persistent.
• Persistent Fatigue: Excessive fatigue that is unexplained and does not improve with rest may be felt.

Cognitive Effects:

• Attention and Concentration Difficulties: It may become difficult to focus on a task or maintain attention.
• Memory Problems: Difficulty may be experienced in learning new information or remembering old information.
• Learning Difficulties: Problems may occur in academic skills such as reading, writing, or mathematics.
• Impairments in Executive Functions: Difficulties may arise in skills such as planning, organizing, problem-solving, and decision-making.
• Slowing in Processing Speed: The time to process information and respond may be prolonged.

Behavioral and Emotional Effects:

• Increased Irritability: Becoming angry or cranky more easily may be seen.
• Impulsivity: The tendency to act without thinking may increase.
• Aggression: Verbally or physically aggressive behaviors may be displayed.
• Depression and Anxiety: Emotional problems such as sadness, hopelessness, or excessive worry may be experienced.
• Mood Changes: Sudden and unpredictable emotional changes may occur.
• Difficulties in Social Interactions: Difficulty may be experienced in communicating with others or following social rules.

Communication Effects:

• Speech and Language Problems: Problems such as aphasia (difficulty understanding or expressing language) or dysarthria (difficulty in speech articulation) may occur.
• Developmental Effects:
• Developmental Delays: Delays may be experienced in reaching typical developmental milestones.
• Intellectual Disability: A general delay may be seen in learning and problem-solving skills.

Other Effects:

• Sleep Disorders: Problems such as difficulty falling asleep or excessive sleeping may be experienced.
• Chronic Headaches: Persistent or recurring headaches may occur.
• Dizziness: Dizziness accompanying balance problems may be felt.
• Endocrine Disorders: Imbalances may occur in hormone levels.

These long-term effects may significantly affect the child’s school performance, social relationships, independence, and overall quality of life. However, with early diagnosis, appropriate treatment, and comprehensive rehabilitation programs, these effects can be minimized and the child can be supported in reaching their potential. Just as a seed needs the right care and attention to grow and develop, a child who has suffered brain injury also needs long-term support and rehabilitation to recover and develop.

Frequently Asked Questions

With which early signs do brain injuries in children appear?

Brain injuries in children may generally appear with early signs such as sudden changes in consciousness, fainting, seizure, sudden muscle weakness, deterioration in speech, headache, and vomiting.

How can brain injuries in children occur during birth?

Lack of oxygen during birth, trauma, difficult deliveries, or prenatal infections may lead to brain injury in children. These types of injuries may leave lifelong effects.

What are the permanent effects of brain injuries in children?

Brain injuries occurring in children may leave permanent effects such as learning difficulties, movement disorders, epilepsy, speech problems, and behavioral problems. The location and severity of the injury determine these effects.

In which diseases does the risk of brain injuries in children increase?

Premature birth, birth trauma, infections, meningitis, metabolic diseases, and genetic disorders are the main conditions that increase the risk of brain injury in children.

How does the rehabilitation process work after brain injuries in children?

Physical therapy, speech therapy, special education, and psychological support are used in the rehabilitation process. Rehabilitation started early and planned individually supports development.

What measures can be taken to protect children from brain injuries?

Regular check-ups during pregnancy, appropriate medical intervention during birth, prevention of infections, and protection from trauma during childhood reduce the risk of brain injury.

Do brain injuries in children lead to psychological problems in the long term?

Yes, brain injuries in children may lay the groundwork for psychological problems such as attention deficit, anxiety, social adjustment difficulties, and depression. Psychological support is of great importance.

By which methods is brain injury in children diagnosed?

Neurological examination, MRI, CT, EEG, and brain function tests are used for diagnosis. In the diagnostic process, the child’s medical history and observations are also taken into account.

When is brain injury surgery required in children?

Surgery is generally preferred in emergency situations such as hemorrhage, tumor, severe trauma, or increased intracranial pressure. The decision is made according to the child’s general condition and the type of injury.

What does the recovery period after brain injuries in children depend on?

The recovery period varies depending on factors such as the degree of the injury, the speed of intervention, the effectiveness of rehabilitation, and the child’s general health condition. Early intervention affects the process positively.

Which Department or Doctor Should Be Consulted for Brain Injuries in Children?

Brain injuries in children may occur as a result of birth trauma, infections, lack of oxygen, or accidents. The most appropriate department for the diagnosis, follow-up, and treatment of such conditions is Pediatric Neurology.