Related Experiment Videos
Postconvulsivant hyperammonaemia (author's transl)
Klinische Wochenschrift
|February 15, 1976
Insights
Blood ammonia levels in children with grand mal seizures are elevated shortly after the event. These ammonia levels normalize within 24 hours post-seizure, indicating a temporary metabolic change.
Area of Science:
- Pediatric Neurology
- Clinical Biochemistry
Context:
- Convulsive seizures, specifically grand mal epilepsy, are a common neurological emergency in children.
- Elevated blood ammonia is associated with various metabolic and neurological disorders.
Purpose:
- To investigate the temporal profile of blood ammonia levels in children following convulsive seizures.
- To determine if elevated ammonia is a consistent finding and its duration.
Summary:
- Blood ammonia levels were measured in 42 children experiencing grand mal seizures.
- Ammonia levels were elevated in all measured cases within 3 hours post-seizure.
- Levels gradually decreased, returning to normal ranges by 24 hours after the seizure event.
Impact:
- This study highlights a transient hyperammonemia following seizures in children.
- Findings suggest monitoring ammonia levels may be relevant in the acute post-ictal phase.
- Understanding this metabolic shift could inform clinical management and diagnostic approaches in pediatric epilepsy.
Abstract:
The blood ammonia levels were estimated in 42 children with convulsions (grand mal). The levels were elevated within 3 hours after the seizure without exception (23 children). 4 to 8 hours after the seizure the levels were found near the upper norm range (6 children). The levels returned to normal 24 hours after the seizure (13 children).