Abstract:
:The clinical and electroencephalographic (EEG) effects of sodium valproate were studied in four patients by means of serial 24-hour EEG recordings and simultaneous hourly determinations of serum drug concentrations. The patients all had frequent clinical seizures and generalized spike-wave discharges. Valproate appeared to reduce diurnal paroxysmal discharges (PD) and clinical seizures, but the effect on nocturnal PD was less marked. The extent and duration of the depression of PD and seizures varied. Altering the distribution of the total daily dose may change the pattern of clinical seizures and PD. Valproate concentrations fluctuated widely over 24 hours, and the significance of single estimations often cited in the literature appears dubious. Peak serum concentrations above 100 micrograms per milliliter may be necessary in some patients to achieve clinical and EEG improvement.
journal_name
Neurologyjournal_title
Neurologyauthors
Rowan AJ,Binnie CD,de Beer-Pawlikowski NK,Goedhart DM,Gutter T,van der Geest P,Meinardi H,Meijer JWdoi
10.1212/wnl.29.11.1450subject
Has Abstractpub_date
1979-11-01 00:00:00pages
1450-9issue
11eissn
0028-3878issn
1526-632Xjournal_volume
29pub_type
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