Changes in epileptic spike configuration associated with attainment of seizure control.

Abstract:

:This study provides preliminary evidence that computer-derived parameters of interictal spike waveforms can be used to assess seizure hazard in a quantitative manner. Thirteen children with spike foci and simple or complex partial seizures were studied before and during treatment with carbamazepine or phenobarbital; spike parameters were determined from 5- to 30-minute electroencephalographic samples obtained during non-rapid eye movement sleep. Measurements included spike amplitude, duration, and sharpness, and a mathematical combination of these three parameters (the composite spike parameter). Achievement of seizure control was associated with a decrease in spike amplitude, duration, and composite spike parameter, and an increase in normalized sharpness, compared to baseline values. These results suggest that this method may provide a prospective means for estimating drug efficacy that can be applied shortly after attainment of steady-state serum drug levels.

journal_name

Ann Neurol

journal_title

Annals of neurology

authors

Frost JD Jr,Kellaway P,Hrachovy RA,Glaze DG,Mizrahi EM

doi

10.1002/ana.410200612

subject

Has Abstract

pub_date

1986-12-01 00:00:00

pages

723-6

issue

6

eissn

0364-5134

issn

1531-8249

journal_volume

20

pub_type

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