[Febrile seizures: is EEG useful?]
B Martínez Menéndez1, R Simón de las Heras, P de la Peña Mayor
1Unidad de Neurología Pediátrica, H. Universitario de Getafe, Madrid.
Anales Espanoles De Pediatria
|April 13, 1999
Summary
Generalized spike-wave (S-W) on electroencephalograms (EEG) is rare in children. Most children with S-W are epileptic, but a small percentage with febrile seizures are not, avoiding future epilepsy.
Area of Science:
- Pediatric Neurology
- Clinical Neurophysiology
Context:
- Electroencephalograms (EEG) are crucial for diagnosing neurological disorders in children.
- Generalized spike-wave (S-W) patterns on EEG can indicate epilepsy but require careful interpretation.
Purpose:
- To assess the clinical significance of generalized spike-wave (S-W) patterns on pediatric electroencephalograms (EEG).
- To specifically evaluate the relevance of S-W patterns in children experiencing febrile seizures.
Summary:
- This study analyzed 39,322 EEGs, identifying 170 pediatric patients with S-W patterns.
- Of these, 154 (90.6%) were diagnosed with epilepsy, while 16 (9.4%) were not.
- Notably, 12 of the 16 non-epileptic children had a history of febrile seizures and did not develop epilepsy during a 4.5-year follow-up.
Impact:
- The findings suggest that S-W patterns on pediatric EEG are uncommon.
- A small proportion of children with S-W, particularly those with febrile seizures, may not have epilepsy, reducing diagnostic confusion.
- This highlights the importance of considering clinical history alongside EEG findings in pediatric neurological assessments.
Related Concept Videos
01:24Epilepsy 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...
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
01:13Seizures: 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 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:
01:20Seizures 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,...
01:19Seizures 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...
01:22Epilepsy 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.