[Electroencephalographic characteristics in patients with febrile status epilepticus]
Objective:
This study was undertaken to investigate the electroencephalographic (EEG) characteristics in patients with febrile status epilepticus.
Methods:
Medical records and EEG findings were retrospectively examined in 14 patients with febrile status epilepticus, who were transferred to the Shiga University Hospital between November, 2009 and March, 2012.
Results:
Mean time to the initial EEG examination from the cessation of febrile status epilepticus was 3.4 hours. δ waves were seen in 9 of 11 patients during awake or forced awake state, and these slow waves disappeared on or after the 2nd day. Slow waves were predominantly detected in the occipital and frontal leads in 4 and 2 patients, respectively, while diffuse slowing was seen in 4 patients. Spindle/hump waves were observed in 10 of 11 patients, but not detected in the 3 patients because only awake recordings were available.
Conclusions:
EEGs in the postictal state of febrile status epilepticus show slow waves, but improve early, then normal EEG sleep pattern such spindle/hump waves are commonly recognized thereafter.
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