Related Experiment Videos
Effects of long barbiturate anaesthesia on eight children with severe epilepsy
K Eriksson1, M Baer, P Kilpinen
1Tampere University Hospital, Department of Paediatrics, Finland.
Insights
Barbiturate anesthesia for severe childhood epilepsy showed mixed results. Positive outcomes in some children were linked to deep anesthesia and shorter treatment delays, suggesting potential benefits for specific cases.
Area of Science:
- Pediatric Neurology
- Clinical Pharmacology
Background:
- Frequent epileptic seizures in children can cause developmental delays.
- Status epilepticus is a critical neurological emergency requiring immediate intervention.
- Barbiturate anesthesia has been used for decades to manage severe epilepsy in children, but its effectiveness remains debated.
Purpose of the Study:
- To evaluate the effectiveness of long barbiturate anesthesia (thiopentone sodium) in children with severe, intractable epilepsy.
- To identify factors associated with positive treatment outcomes.
Main Methods:
- A retrospective study of eight children (10 months to 7 years 11 months) with severe epilepsy treated with long barbiturate anesthesia between 1986 and 1991.
- Assessment of effects on seizure frequency, antiepileptic medication, and psychomotor development.
- Analysis of anesthesia depth, duration, EEG patterns (burst-suppression), and treatment lag.
Main Results:
- Clearly positive effects on seizure control and/or development were observed in three patients (37.5%).
- Slightly positive effects were noted in one patient (12.5%), and no effect in four patients (50%).
- Good outcomes correlated with deep, prolonged anesthesia producing burst-suppression EEG patterns and a treatment lag under 12 months.
Conclusions:
- Long barbiturate anesthesia can yield positive results in a subset of children with severe epilepsy, particularly when administered deeply and promptly after seizure onset.
- Further research is needed to elucidate the precise mechanisms underlying barbiturate anticonvulsant action in pediatric epilepsy.
Abstract:
Frequent epileptic seizures in children are often related to delayed psychomotor development, and status epilepticus is always a neurological emergency. In both situations barbiturate anaesthesia has been used for status epilepticus since the 1960s, and for intractable seizures in children since the 1980s. However, the clinical results on the effectiveness of barbiturate anaesthesia in children with chronic epileptic disorders remain contradictory. Between 1986 and 1991 in Tampere University Hospital in Finland long barbiturate anaesthesia was introduced--using thiopentone sodium--to eight children with very severe epilepsy. Children were 10 months to 7 years 11 months of age and the mean time from the onset of seizures to the introduction of BA was 2 years 8 months. Effects upon seizure frequency, antiepileptic medication and/or psychomotor development were clearly positive in three patients, slightly positive in one patient and in four patients there was no effect. Good effect seemed to be associated with an anaesthesia which is deep and long enough to produce loss of consciousness and spontaneous reactions, and an electroencephalographic pattern of burst-suppression. Positive results were also more often achieved when the treatment lag was less than 12 months. Physical and neurophysiological properties of barbiturates make their effectiveness as anticonvulsants understandable, but there is only little evidence to explain the mechanism of this action.