Meaning of Epilepsy

Epilepsy is a neurological disorder involving an abnormality in the electrical activity in the brain. It is chronic in nature, usually characterized by episodes of sudden, unannounced and recurrent seizures.

Demography of Epilepsy

There are 65 million people around the world who are affected by epilepsy. In the United States alone, there are 3 million people affected by it. Epilepsy usually affects young children and older adults. Statistics show that the incidence of epilepsy in men is slightly higher than in women. No one is spared, though; anyone can be affected by epilepsy regardless of race, age and ethnic backgrounds.

Epilepsy and Seizures

Seizures are caused by the sudden jolt of electrical activity in the brain. It is the main symptom that a person has epilepsy. This symptom is relative from person to person, as to its intensity and type.

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Intensity of Seizures

A mild seizure occurs for a short amount of time only. A person may lose focus for just a few seconds and may not even know that he experienced a seizure. A strong seizure can be alarming because it lasts longer, it can actually last for several minutes, with the person losing focus and consciousness, becoming confused, and having no idea about what happened.

Types of Seizures Related to Epilepsy

There are many types of seizures, but the main types are Generalized Seizures and Focal or Partial Seizures.

Difference Between the Two Types of Seizures

Generalized seizures are seizures that affect the entirety of the brain. Focal or Partial Seizures, on the other hand, is when only one part of the brain is affected.

Subtypes of Generalized Seizures

There are six subtypes of Generalized Seizures, as follows: Absence, Myoclonic, Clonic, Tonic, Atonic and Tonic-Clonic.

Absence Seizure (Generalized)

It is also known as ac "petit mal seizure". Epileptic persons experiencing this type of seizure has a momentary but brief loss of awareness. He usually stares blankly and may do repetitive movements, such as, but not limited to blinking and lip smacking.

Myoclonic Seizure (Generalized)

When this kind of seizure occurs, there is a spontaneous, almost involuntary twitching of legs and arms.

Clonic Seizure (Generalized)

It causes an epileptic person to make repetitive jerky movements of the neck, arms and face.

Tonic Seizure (Generalized)

This type of seizure has the ability to make the muscles stiff. An epileptic person in the tonic phase may have clenched muscles and a rigid body.

Atonic Seizure (Generalized)

This is characterized by a loss of muscle control. A person in the atonic phase may fall down without notice.

Tonic-clonic Seizure

A combination of the tonic and clonic phases, called Tonic-clonic Seizure is also dubbed as a "grand mal seizure" because of its severity. An epileptic person experiencing this type may experience involuntary shaking, biting of the tongue, stiffening of the body and loss of bowel and bladder control. It can also be preceded or followed by a loss of consciousness.

Subtypes of Focal or Partial Seizures

Focal or partial seizures may be simple or complex. When a person does not lose consciousness, it is considered as a simple partial seizure. When a person loses consciousness during a seizure, the seizure is classified as complex partial.

Simple Partial Seizures

A person might experience an alteration with the way he smell, hear, see, touch, taste or hear. He may also experience a twitching, and sometimes, tingling of his limbs. Dizziness is also another symptom.

Complex Partial Seizures

Aside from losing consciousness or awareness, the epileptic person may also be unresponsive. He might perform repetitive movements and may have a blank stare.

Causes of Epilepsy

For about half of the people who suffers from epilepsy, there is actually no identifiable cause. For the rest, the following factors may be the responsible for the said condition: pre-natal injury, developmental disorders, brain conditions, head trauma, diseases and heredity.

Pre-natal Injury

Before being ushered into the world, babies stay in their mother's wombs for 9 months, allowing them to develop fully. Certain conditions, such as the mother having an illness or developing an infection during pregnancy or having poor nutrition or deficiency in oxygen can lead to brain damage and may result in cerebral palsy or epilepsy.

Developmental Disorder

Neurofibromatosis and autism can be linked to the appearance of epilepsy.

Brain Conditions

Brain tumors or stroke, can become a cause of epilepsy. In fact, in adults with ages 35 up, stroke is the leading cause of epilepsy.

Head Trauma

A car accident, or accident of any other kind, that leads to brain trauma may cause epilepsy.

Diseases

Diseases, especially infectious ones like encephalitis, AIDS or meningitis can cause epilepsy.

Heredity

In actuality, there is a a fairly low risk of inheriting epilepsy. It is not automatic that parents with epilepsy will have epileptic children. What genes give you is your seizure threshold. A low seizure threshold that you inherit might make you more vulnerable to what triggers the seizures. A higher seizure threshold lessens your vulnerability to the epilepsy triggers.

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Chances of Developing Epilepsy

There is a 1 percent chance of developing epilepsy by age 20 in general. That equates to 1 in every 100 people. Having a parent with epilepsy that is linked to genetics, increases your risk of developing epilepsy by up to 2 to 5 percent. The risk does not increase when your parent's epilepsy is caused by factors other than genetics, such as brain injury, or head trauma.

Epilepsy Triggers

Certain situations, instances, and even food and beverage, can trigger an epileptic seizure. Some of these are bright flashing lights and/or patterns, high consumption of caffeine and alcohol, certain medicines, fever, lack of sleep and something as simple as skipping meals.

Dangers of Having Epilepsy

Depending of the gravity and the frequency of the seizures, epilepsy poses a threat to the well-being of a person. In some instances, an epileptic may collapse. Other times, they may be dazed or confused, as if in a trance. A part of their body may either grow stiff or jerk involuntarily. Most of the time, they do not remember anything when they come out of the daze. These instances heightens the risk of the epileptic to get hurt, since they have no control (and sometimes even have no idea) of what is happening to them and around them.

Other dangers may include:

  • Accidents, because the seizure may cause loss of body control while driving or crossing the street,
  • Injuries, falling during seizure may result in head trauma or contusion,
  • Drowning, seizures may occur when you are in water,
  • Pregnancy Complications, epilepsy increases the risk of complications for both mother and child,
  • Emotional Issues, especially in epileptic children, because studies show that children with epilepsy are more likely to experience uncertainty and inferiority. Sometimes, the inferiority comes on the onset of adulthood. According to research, there is a tendency for children with epilepsy to have learning disabilities than children without epilepsy. Also, 30% to 70% of epileptic persons develop anxiety, depression, or both. Prior to the seizure, an abnormality in the activity of the brain may cause the person to display one or all of the following behaviors: aggression, irritability and hyperactivity.
  • Sudden Unexpected Death in Epilepsy (SUDEP), although this is very rare, there is a small risk for SUDEP to happen.

Diagnosis for Epilepsy

The first and important symptom is when you experience a seizure or seizures. You have to go to the doctor, who will ask you to undergo a series of tests, in order to rule out other conditions that may have caused the seizure/seizures. Usually, a complete blood count is performed to check your glucose levels and blood and kidney functions. There will also likely be a neurological test to check your mental functioning and motor skills. Other tests you may be asked to undergo are: Electroencephalogram (EEG) , this is usually done to diagnose epilepsy, where you will be asked to perform specific tasks while electrodes are recording the electrical activity in your brain, revealing any abnormal brain wave patterns; CT Scan, MRI and PET.

When all else is ruled out and there is no apparent reason for your seizure, the doctor may confirm that you have epilepsy.

Difference Between Seizures Related to Epilepsy and Provoked Seizures

A seizure is experienced by people with epilepsy because there is a malfunction in the activity of the nerve cell. Its cause is often undetermined. Provoked seizures on the other hand, have an identifiable cause, like extremely low or high blood sugar levels, among others.

Cure for Epilepsy

Sadly, epilepsy can not be cured. It can only be controlled and managed so there will be no compromise in the safety of the epileptic person. There are different ways to manage epilepsy.

Epilepsy Management and Treatment

The management and treatment of epilepsy will depend on the status of your health, the severity of the seizures or symptoms and to your response to the treatments. Management and treatment plans may include medications, use of devices, tailored diet and surgery.

Medications for Epilepsy

Anticonvulsant or antiepileptic drugs may be prescribed to epileptic patients. These drugs may reduce the frequency, or even completely eliminate the seizures. The trick is to take the medicines religiously.

Devices for Epilepsy

Devices, such as the Vagus Nerve Simulator, can help in managing epilepsy. It is placed, through surgery, under the skin of the chest. Its function is to stimulate the nerve running through the neck of the epileptic person. Medical studies show that this can help in lessening the episodes of seizures.

Diet for Epilepsy

The Ketogenic Diet is recommended for epileptic children. This diet has gained controversy because unlike most diets, this diet is high in fats, with the presumption that the body will use these fats and convert them to energy, instead of glucose. This diet is low in carbohydrates.

The Atkins Diet is usually recommended for adults and adolescents experiencing epilepsy. Like the ketogenic diet, it is also high in fat and requires a controlled intake of carbohydrates.

Since these diets are aimed at treating epilepsy, they should be done with the supervision of a dietician, nutritionist or a doctor.

Surgery

Another option, perhaps the last option, in the managing and treating epilepsy is surgery. Brain surgery is done to remove the part of the brain where the seizures originate from. This is called resection. Temporal lobectomy, the procedure where the temporal lobe is removed, may also be done to stop the seizures. Research shows that 81% of people who went under the blade become either completely or almost completely seizure-free six months after the surgery.

First Aid for Seizures Caused By Epilepsy

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While most cases are manageable and are not exactly fatal, seizures should not be ignored. When you encounter someone having a Tonic-clonic type of Generalized Seizure, you have to be alert. The important thing is to give them some room to breathe. It is almost instinctual for people to form a crowd and watch someone having a seizure, but what should be done is actually the opposite. Give the person room. Do not stop their movements. Make sure you remove sharp or hard objects that he may hit himself with.

In the event that he falls, cushion his head. Do not put anything in the mouth of the person having a seizure. Call a doctor during the following conditions: when it is a child's first seizure, when the seizure is more than 5 minutes, when it is becoming a series of seizures, i.e. another one begins when one ends, or when the person gets injured because of the seizure. You have to keep a calm disposition when dealing with this condition.

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