Safety of video-EEG monitoring and surgical outcome in patients with mesial temporal sclerosis and psychosis of epilepsy

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Conceição, Priscila Oliveira da [UNIFESP]
Araujo Filho, Gerardo Maria de [UNIFESP]
Mazetto, Lenon [UNIFESP]
Alonso, Neide Barreira [UNIFESP]
Yacubian, Elza Márcia Targas [UNIFESP]
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Purpose: Cortico-amygdalohippocampectomy (CAH) has become an important treatment option for patients with refractory temporal lobe epilepsy and mesial temporal sclerosis (TLE-MTS); it has resulted in a 60-70% seizure remission rate and significant quality of life (QOL) improvements. Video-electroencephalography (VEEG) monitoring has been widely used in epilepsy centers for pre-surgical evaluation. A major concern in epilepsy surgery is whether to consider CAH treatment in patients with psychosis of epilepsy (POE). This study analyzed the safety and adverse events (AEs) of VEEG monitoring and the post-surgical outcomes of patients with refractory TLE-MTS and POE who underwent CAH.Method: Clinical, sociodemographic and VEEG data from 18 patients with TLE-MTS and POE were analyzed. Psychiatric evaluations were performed using DSM-IV and ILAE criteria. the seizure outcome was evaluated using Engel's criteria.Results: Two patients (11.2%) presented AEs that did not result in increased lengths of hospitalization. of the 10 patients (55.5%) who underwent CAH, 6 (60%) became free of disabling seizures (Engel I). the psychiatric and QOL evaluations revealed improvements of psychotic symptoms (p = 0.01) and in Physical Health (p = 0.01) following surgery.Conclusion: These data reinforce that VEEG monitoring is a safe method to evaluate patients with refractory TLE-MTS and POE in epilepsy centers. (C) 2012 British Epilepsy Association. Published by Elsevier B.V. All rights reserved.
Seizure-european Journal of Epilepsy. London: W B Saunders Co Ltd, v. 21, n. 8, p. 583-587, 2012.