PMC5219608_01
Ictal scalp electroencephalograph recorded during a complex partial seizure.. Note diffuse polyspikes and waves followed by high-voltage 12 Hz waves starting at T6 and O2 (arrow). The 12 Hz waves lasted about 3 min and were dominant in the right hemisphere. The highest amplitude was recorded at T6 and O2.
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EEG showed diffuse polyspikes in the right hemisphere followed by high-voltage 12 Hz waves at T6 and O2 (Fig. 1).
Magnetencephalographic findings.. A cluster of equivalent dipole was observed in the posterior temporal-, parietal-, and occipital lobe. R, right; A, anterior.
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Magnetoencephalography showed a broad dipole cluster in the right posterior temporal-, parietal-, and occipital lobe (Fig. 2).
PMC5219608_02
Frequency of seizures, shown at 3-month intervals, and the treatment status before and after the implantation of vagus nerve stimulation (VNS).. The number of generalized tonic-clonic- and focal seizures with impaired consciousness (GTCSs, FSICs) decreased after VNS.. CBZ, carbamazepine; LEV, levetiracetam; LTG, lamotrigine; IQ, intelligence quotient measured on the Tanaka-Binet Intelligence Scale.
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In the third year after VNS, the average seizure reduction was 80% and 100% for GTCSs and FSICs, respectively (Fig. 3).