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Related Concept Videos

Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

1.7K
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...
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Seizures l: Introduction01:20

Seizures l: Introduction

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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,...
42
Epilepsy ll: Types01:22

Epilepsy ll: Types

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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.
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Seizures: Classification01:13

Seizures: Classification

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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:
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Seizures ll: Types01:19

Seizures ll: Types

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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...
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Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
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Inducing Post-Traumatic Epilepsy in a Mouse Model of Repetitive Diffuse Traumatic Brain Injury
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Post-traumatic epilepsy: an overview.

Rebecca M Verellen1, Jose E Cavazos1

  • 1Department of Neurology, University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Dr, MC 7883, San Antonio, TX 78229, USA.

Therapy (London, England : 2004)
|April 25, 2014
PubMed
Summary
This summary is machine-generated.

Post-traumatic seizures (PTS) and epilepsy (PTE) can occur after traumatic brain injury (TBI). While antiepileptic drugs help with acute PTS, they do not prevent the development of PTE.

Keywords:
antiepileptic drugshead injurypost-traumatic epilepsyprophylaxisseizurestraumatic brain injury

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Area of Science:

  • Neurology
  • Neurosurgery
  • Epileptology

Background:

  • Post-traumatic seizures (PTS) and epilepsy (PTE) are significant complications following traumatic brain injury (TBI).
  • PTE is defined as recurrent, unprovoked seizures occurring at least one week after TBI.
  • Seizures within the first week are considered acute and provoked, whereas later seizures indicate PTE.

Purpose of the Study:

  • To review the diagnosis, predictors, and treatment of post-traumatic seizures and epilepsy.
  • To evaluate the efficacy of antiepileptic drugs in managing PTS and PTE.

Main Methods:

  • Review of clinical trials and literature concerning TBI, PTS, and PTE.
  • Analysis of diagnostic tools including EEG and neuroimaging.
  • Identification of key predictors for PTE development.

Main Results:

  • TBI severity, intracranial bleeding, and early PTS are significant predictors of PTE.
  • Antiepileptic drugs effectively reduce the frequency of acute PTS.
  • Current evidence suggests antiepileptic drugs do not alter the long-term course of late PTS or PTE.

Conclusions:

  • Early identification of risk factors is crucial for managing PTE.
  • While acute PTS can be managed, preventing the transition to chronic PTE remains a challenge.
  • Further research is needed to develop effective strategies for PTE prevention and treatment.