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Epilepsy and Seizures: Overview

Epilepsy and Seizures: Overview

Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...

Epilepsy ll: Types

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.

Seizures: Classification

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:

Seizures l: Introduction

Seizures l: Introduction

Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...

Seizures ll: Types

Seizures ll: Types

Seizures are sudden bursts of abnormal electrical discharge in the brain that interfere with normal function. They are commonly divided into three groups: focal seizures, generalized seizures, and other types that do not fit neatly into either category.Focal SeizuresFocal seizures begin in a single brain region. When awareness is preserved, they are called focal aware seizures and may cause sensations such as tingling, unusual smells, or flashing lights. When awareness is impaired, they are...

Antiepileptic Drugs: GABAergic Pathway Potentiators

Antiepileptic Drugs: GABAergic Pathway Potentiators

γ-aminobutyric acid or GABA, plays a pivotal role as an inhibitory neurotransmitter in the brain. GABA pathway potentiators, also known as GABAergic drugs, are a class of pharmaceutical agents designed to enhance the functioning of the GABAergic system. These medications primarily treat epilepsy, a neurological disorder characterized by recurrent seizures.
The key GABA pathway potentiators used in epilepsy management are as follows.
Benzodiazepines are a well-known class of drugs used for their...

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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy

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Epilepsy comorbidities.

Sean Hwang, Alan Ettinger, Elson L So

Continuum (Minneapolis, Minn.)

|July 20, 2012

Summary

This summary is machine-generated.

Psychiatric and cognitive disorders are common in people with epilepsy (PWE) and require vigilant clinical attention. Proper treatment of conditions like depression and optimizing seizure control are crucial for improving quality of life and reducing mortality risks.

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Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Interictal High Frequency Oscillations Detected with Simultaneous Magnetoencephalography and Electroencephalography as Biomarker of Pediatric Epilepsy

Published on: December 6, 2016

Area of Science:

Neurology
Psychiatry
Clinical Medicine

Background:

Psychiatric and cognitive disorders are frequently associated with epilepsy but often overlooked.
These comorbidities are more prevalent in severe epilepsy cases and with polytherapy using antiepileptic drugs.
Co-occurrence of depression with epilepsy requires specific clinical attention.

Purpose of the Study:

To highlight the prevalence and importance of psychiatric and cognitive disorders in persons with epilepsy (PWE).
To emphasize the need for vigilant clinical assessment and treatment of these comorbidities.
To discuss the implications for quality of life, treatment adherence, and mortality in PWE.

Main Methods:

Literature review and synthesis of existing studies on psychiatric and cognitive comorbidities in epilepsy.
Analysis of the relationship between epilepsy severity, antiepileptic drug use, and the incidence of these disorders.
Examination of mortality data and risk factors in PWE, including suicide and sudden unexplained death in epilepsy (SUDEP).

Main Results:

Psychiatric and cognitive disorders are prevalent across all epilepsy types, particularly in severe cases and with multiple antiepileptic drug treatments.
Depression is a significant comorbidity that necessitates proper management to enhance quality of life and epilepsy treatment adherence.
Persons with epilepsy (PWE) face a doubled mortality rate compared to the general population, primarily due to associated conditions, with increased risks for suicide and SUDEP in those with uncontrolled seizures.

Conclusions:

Clinicians must be vigilant in identifying and treating psychiatric and cognitive disorders in persons with epilepsy (PWE).
Effective management of depression is vital for improving patient outcomes and adherence to epilepsy treatment.
Optimizing seizure control is currently the most effective strategy to mitigate the risk of sudden unexplained death in epilepsy (SUDEP).