Related Experiment Video
Updated: Oct 25, 2025
Preparation of Acute Human Hippocampal Slices for Electrophysiological Recordings
Published on: May 7, 2020
The relationship between the characteristics of burst suppression pattern and different etiologies in epilepsy
Haipo Yang1, Pan Gong1, Xianru Jiao1
1Department of Pediatrics, Peking University First Hospital, No. 1, Xi'anmen Street, Xicheng District, Beijing, 100034, China.
Insights
Burst suppression patterns on electroencephalogram (EEG) correlate with epilepsy causes in infants. Genetic epilepsies often show asynchronous, symmetric patterns, while structural epilepsies tend toward synchronous, asymmetric patterns.
Area of Science:
- Pediatric Neurology
- Epileptology
- Neurophysiology
Background:
- Burst suppression (BS) is an electroencephalogram (EEG) pattern observed in infants with severe epilepsy.
- Understanding the relationship between BS characteristics and epilepsy etiology is crucial for diagnosis and management.
Purpose of the Study:
- To investigate the association between specific burst suppression pattern features and various underlying etiologies in pediatric epilepsy.
- To differentiate epilepsy types based on EEG burst suppression characteristics.
Main Methods:
- Retrospective analysis of EEG data from infants under 6 months old exhibiting burst suppression.
- Categorization of BS patterns based on synchrony (synchronous vs. asynchronous) and symmetry (symmetric vs. asymmetric).
- Correlation of BS pattern characteristics with confirmed epilepsy etiologies, including genetic disorders, cortical malformations, and inborn errors of metabolism.
Main Results:
- 32 patients with BS patterns were identified, with genetic disorders (37.5%) and cortical malformations (28.1%) being the most common etiologies.
- Asynchronous BS patterns were more frequent in genetic and metabolic etiologies (72%).
- Synchronous BS patterns were more common in structural etiologies (57%).
- Symmetric BS patterns were predominantly associated with genetic etiologies (65%), whereas asymmetric patterns were linked to structural etiologies (89%).
Conclusions:
- Burst suppression pattern characteristics on EEG can serve as indicators for different epilepsy etiologies in infants.
- Genetic epilepsies are often associated with asynchronous and symmetric BS patterns.
- Structural epilepsies are more frequently linked to synchronous and asymmetric BS patterns.
Abstract:
To analyze the relationship between the characteristics of burst suppression (BS) pattern and different etiologies in epilepsy. Patients with a BS pattern who were younger than 6 months old were screened from our electroencephalogram (EEG) database. The synchronized and symmetric BS patterns under different etiologies in epilepsy were analyzed. A total of 32 patients had a BS pattern on EEG. The etiologies included genetic disorders (37.5%), cortical malformations (28.1%), inborn errors of metabolism (12.5%), and unknown (21.9%). Twenty-five patients were diagnosed with Ohtahara syndrome, one as early myoclonic encephalopathy, and one as epilepsy of infancy with migrating focal seizure. Five cases could not be classified into any epileptic syndrome. Asynchronous BS pattern was identified in 18 cases, of which 13 (72%) patients had genetic and/or metabolic etiologies. Synchronous BS pattern was identified in 14 cases, of which 8 (57%) patients had structural etiologies. Twenty-three patients had symmetric BS patterns, of which 15 (65%) patients had genetic etiologies. Nine patients had asymmetric BS patterns, of which 8 (89%) patients had structural etiologies. Patients with genetic epilepsies tended to have asynchronous and symmetric BS patterns, whereas those with structural epilepsies were more likely to have synchronous and asymmetric BS patterns.
More Related Videos
13:14Multi-electrode Array Recordings of Human Epileptic Postoperative Cortical Tissue
Published on: October 26, 2014
06:28Author Spotlight: Unraveling Seizure Dynamics and Novel Therapeutics for Status Epilepticus Using CMOS High-Density Microelectrode Array Systems
Published on: September 27, 2024
Related Concept Videos
01:24Epilepsy and Seizures: Overview
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
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:
01:20Antiepileptic Drugs: Modulators of Neurotransmitter Release Mediated by SV2A Protein
SV2A is a transmembrane glycoprotein located predominantly in the brain, modulating the release of neurotransmitters for neuronal communication. Both levetiracetam and brivaracetam exhibit a high affinity for...
01:14Antiepileptic Drugs: Glutamate Antagonists
01:25Overview of Synapses
01:17Antiepileptic Drugs: Calcium Channel Blockers
Calcium channel blockers exert their antiepileptic effects by targeting T-type calcium channels, which are integral to transmitting nerve signals in the central nervous system. These channels allow the passage of calcium ions, which are vital for neuronal communication. By inhibiting T-type calcium channels, calcium channel blockers effectively reduce the release of neurotransmitters and...