Benign (no-familial) neonatal seizures versus Benign familial neonatal seizures
Benign (non-familial) neonatal seizures | Benign familial neonatal seizures | |
Main seizures | mostly clonic | tonic-clonic |
Onset | Fifth day of life | Second or third day of life |
Duration of seizures | Status epilepticus (median 20 hours) | Repetitive isolated seizures |
Main causes | unknown,probably environmental | Autosomal dominant |
Subsequent seizures | Practically nil(0.5%) | Relatively high (11%) |
Psychomotor deficits | Minor | Practically non-existent |
Ictal EEG | Usually localised spikes | Usually generalised flattening |
Inter-ictal EEG | Usually theta pointu alternant | Normal or focal abnormalities |
From A Clinical Guide to Epileptic Syndromes and their Treatment by C. P. Panayiotopoulos