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Related Concept Videos

Epilepsy and Seizures: Overview01:24

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...
Seizures: Classification01:13

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: Introduction01:20

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: Types01:19

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...
Epilepsy ll: Types01:22

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.

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Continuous Video Electroencephalogram during Hypoxia-Ischemia in Neonatal Mice
09:29

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Neonates with seizures: what predicts development?

Michael J Painter1, Qing Sun, Mark S Scher

  • 1Childrens Hospital of Pittsburgh, Pittsburgh, PA 15213, USA. michael.painter@chp.edu

Journal of Child Neurology
|May 26, 2012
PubMed
Summary
This summary is machine-generated.

Neonatal seizures can harm brain development. Mild to moderate seizure severity before treatment predicted better outcomes, while severe seizures post-treatment indicated poor results for infants.

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Area of Science:

  • Neuroscience
  • Pediatric Neurology
  • Developmental Neuroscience

Background:

  • Neonatal seizures pose significant risks to the developing nervous system.
  • Understanding factors influencing outcomes is crucial for clinical management.

Purpose of the Study:

  • To determine if seizure severity and treatment parameters predict outcomes in neonates.
  • To investigate the influence of seizure characteristics on the incidence of epilepsy.

Main Methods:

  • Assessed outcomes through follow-up examinations, record reviews, and school performance.
  • Evaluated epilepsy in relation to developmental outcomes and neuroimaging findings.
  • Analyzed seizure severity before and after anticonvulsant treatment.

Main Results:

  • No association found between response to therapy and patient outcome.
  • Mild to moderate seizure severity prior to treatment correlated with better developmental outcomes.
  • High seizure severity after treatment was linked to adverse outcomes.
  • Normal neuroimaging studies predicted better outcomes compared to diffuse abnormalities.
  • Children with epilepsy were more likely to exhibit abnormal development and imaging.

Conclusions:

  • Seizure severity, particularly before treatment, is a key predictor of neurodevelopmental outcomes in neonates.
  • Post-treatment seizure severity and neuroimaging findings are also critical indicators of prognosis.
  • Early identification and management of neonatal seizures are essential to mitigate long-term neurological deficits and epilepsy risk.