Beyin tümörlerinin cerrahi eksizyonu sırasında elektrokortikografinin kullanımı

Amaç: Beyin tümörlü hastalarda elektroensefalografi (EEG) ve elektrokortikografinin (ECoG), preoperatif nöbetlerin insidansı ile ilişkisini araştırmayı amaçladık. Yöntem: Bu çalışmamızda glial tümör görünümü olan 11 olguda operasyon öncesi ve sonrası EEG ve operasyon esnasında eksizyon öncesi ve sonrası kraniotomi alanından ECoG kayıtları alındı. Bulgular: Operasyon öncesi epileptik nöbet anamnezi olmayanların aksine epileptik nöbet anamnezi olan hastaların % 80'inin pre- ve postoperatif EEG'lerinde epileptik aktivite (EA) mevcuttu ve ECoG'lerinde de sadece tümöre yakın değil, uzak alanlarda da EA vardı. Sonuç: Bulgularımız daha önceki yayınların aksine tümörün çıkarılmasının EEG ve ECoG'deki EA'yi ortadan kaldırmadığını ve epileptik atak öyküsü olan hastaların EEG ve EcoG'lerinin epileptik nöbet hikayesi olmayanlardan farklı olduğunu göstermiştir.

The use of electrocorticography during the excision of brain tumors

Objective: In this study we aimed to investigate the relationship of electrocorticography (ECoG) and electroencephalography (EEG) with the incidence of preoperative seizures in patients with brain tumors. Methods: Eleven patients with glial tumor appearances were investigated. During the operation pre- and postexcisional ECoG recordings were obtained from the craniotomy area beside pre- and postoperative EEG. Results: 80% of the patients who had a seizure anamnesis had epileptic' activity (EA) in their pre- and postoperative EEG recordings and also had EA in near and far areas to the tumor site in their ECoG recordings in contrast to the patients who had no seizure anamnesis. Conclusion: In contrast to previous studies, our results have demonstrated that the excision of the tumor did not eliminate the EA in EEG and ECoG. The EEG and ECoG recordings showed their own characteristics in patients with a seizure anamnesis.

Kaynakça

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