Review Article
Diagnosis and Management of Epileptic Encephalopathies in Children
Table 2
EEG features of Ohtahara syndrome and early myoclonic encephalopathy.
| Feature of burst-suppression pattern | Ohtahara syndrome | Early myoclonic encephalopathy |
| Appearance | Usually seen at the onset of the disease | Seen later; most distinct at 1–5 months of age | Disappearance | Within the first 6 months | Persists for longer periods | State in which it presents | Both sleeping and waking states | Exclusively present or enhanced during sleep | Burst-to-burst intervals | Shorter | Longer | Evolution to hypsarrhythmia | Frequent | May be a transient feature |
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