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KMID : 0376419950190020175
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Chonbuk University Medical Journal
1995 Volume.19 No. 2 p.175 ~ p.184
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Intracranial EEG Recording in the Patients with Intractable Epilepsy.
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Abstract
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The successful outcome of epilepsy surgery is largely dependent upon its accurate topographical diagnosis of epileptogenic zone Epileptogenic zone can be delineated with noninvasive diagnostic modalities such as clinical history, multiple scalp,
sphenoidal EEGs and neuroimaging studies. However, there is an incongruity among the data obtained from clinical history and neuroimaging study and extracranial scalp EEGs, invasive EEG recording is essential to determine the onset of ictal
generation.
The authors analysed 49 patients who underwent invasive EEG recording at CNUH epilepsy program between April, 1993 and January 1995. Invasive recording was helpful in lateralizing epilptic focus in all cases. 90% of patients could benefit from
invasive
recording in localizing the epileptic focus. Mainly 4 recording devices(depth electrode, subdural grids, subdural strip, and epidural electrode) were used to record the ictal generation. Indication and technology of implantation of recording
devices
were considered to be very important to bring the promising result in epilepsy surgery.
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KEYWORD
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