Subdural Invasive EEG Monitoring in Epilepsy Surgery; Surgical Technique and Evaluation
Chapter from the book:
Gölcük,
Y.
(ed.)
2025.
Theoretical Foundations and Applied Clinical Knowledge in the Health Sciences.
Synopsis
Electroencephalography (EEG) recordings obtained with intracranial electrodes have significant advantages over those obtained with scalp electrodes. EEG monitoring performed with intracranial subdural grid, strip, and depth electrodes is termed invasive monitoring. In many cases of drug-resistant epilepsy, noninvasive tests are sufficient to guide surgical decision-making. However, if noninvasive studies are insufficient or discordant for identifying the epileptogenic focus, if dual pathology is present, if magnetic resonance imaging is negative, or if the epileptogenic lesion is adjacent to eloquent cortex, invasive evaluation is indicated. The epileptogenic focus can be accurately localized with intracranial electrodes. This approach also enables cortical stimulation and functional mapping. This article outlines techniques for subdural electrode implantation, invasive monitoring protocols, functional mapping, and the interpretation of intracranial EEG recordings.
How to cite this book
License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Published
DOI
Categories
Copyright (c) 2025 Yalçın Gölcük; Aslı Alkan- Canan Gürsoy- Davut Ünsal Çapkan- Gönül Güvenç- Kenan Kart- Nur Yorgancılar- Sinan Pektaş- Volkan Aslan- Zeliha Çiğdem Demirel Güler