Epileptic and nonepileptic paroxysmal events out of sleep in children
Martina Vendrame1, Sanjeev V Kothare
1Children's Hospital Boston, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, U.S.A.
Insights
Differentiating epileptic from nonepileptic events during sleep is challenging for pediatricians. Video-EEG polysomnography is crucial for accurate diagnosis of these complex nocturnal events.
Area of Science:
- Neurology
- Sleep Medicine
- Pediatrics
Background:
- Distinguishing epileptic from nonepileptic events during sleep poses a significant diagnostic challenge for pediatricians.
- Sleep can facilitate epileptic activity, with seizures often occurring during specific sleep stages.
- Certain epilepsy syndromes are strongly associated with sleep, presenting with diverse behaviors and motor activity.
Purpose of the Study:
- To highlight the diagnostic difficulties in differentiating sleep-related epileptic and nonepileptic events in children.
- To discuss conditions that mimic nocturnal seizures, including sleep disorders and psychiatric/behavioral issues.
- To emphasize the importance of accurate diagnosis using clinical and electrophysiological tools.
Main Methods:
- Review of clinical features and electrophysiological findings associated with sleep-related events.
- Discussion of differential diagnoses, including parasomnias, nocturnal panic attacks, and rapid eye movement behavior disorders.
- Highlighting the essential role of video-electroencephalography (video-EEG) polysomnography in diagnosis.
Main Results:
- Complex motor activity in conditions like parasomnias can be mistaken for seizures.
- Coexistence of sleep disorders, such as sleep-disordered breathing, with epilepsy is increasingly recognized.
- Specific clinical and electrographical features aid in accurate differentiation.
Conclusions:
- Accurate diagnosis of nocturnal events requires careful consideration of both epileptic and nonepileptic possibilities.
- Video-EEG polysomnography is indispensable for differentiating seizures from other paroxysmal nocturnal events.
- Understanding the interplay between sleep and neurological disorders is critical in pediatric neurology.
Abstract:
The distinction between epileptic and nonepileptic events out of sleep may represent a significant challenge to the pediatrician. It is known that sleep can facilitate epileptic activity and that seizures in sleep tend to occur during specific sleep stages. Certain epilepsy syndromes have a well-documented and strong association with sleep and these can present with a variety of bizarre behaviors and motor activity. Disorders that may present with nocturnal nonepileptic paroxysmal events may include not only sleep-related disorders per se but also psychiatric/behavioral conditions"benign" paroxysmal phenomena with unrelated etiology, and nonneurologic disorders. These phenomena, especially when involving complex motor activity, such as that observed in parasomnias, nocturnal panic attacks, and rapid eye movement behavior disorders may be difficult to differentiate from seizures. Moreover, there is increasing awareness that certain sleep disorders, such as sleep-disordered breathing, may coexist with epilepsy. There are several clinical and electrographical features that allow an accurate diagnosis, and diagnostic tools such as video-EEG polysomnography may be essential.
Related Concept Videos
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:
01:22Epilepsy ll: Types
01:20Seizures l: Introduction
01:19Seizures ll: Types
01:07Narcolepsy
01:24Sleep-Wake Cycles
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge: