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Outcome of Epilepsy Surgery in Lesional Epilepsy: Experiences From a Developing Country Publisher Pubmed



Mehvari Habibabadi J1 ; Moein H2 ; Jourahmad Z1 ; Ahmadian M1 ; Basiratnia R3 ; Zare M1 ; Hashemi Fesharaki SS4 ; Badihian S5 ; Barekatain M6 ; Tabrizi N7
Authors

Source: Epilepsy and Behavior Published:2021


Abstract

Background: Our aim was to report the postoperative seizure outcome and associated factors in patients with lesional epilepsy, in a low-income setting. Methods: This longitudinal prospective study included patients who underwent epilepsy surgery at Kashani Comprehensive Epilepsy Center between 2014 and 2019. Post-surgical outcomes were reported according to the Engel score, and patients were classified into two groups of seizure free (SF) and not-seizure free (NSF). Results: A total of 148 adult patients, with a mean age of 30.45 ± 9.23 years were included. The SF outcome was reported in 86.5% of patients and antiepileptic drugs (AEDs) were reduced or discontinued in 45.9%. The mean follow-up duration was 26.7 ± 14.9 months. Temporal lobe lesions (76.3%) and mesial temporal sclerosis (MTS) (56.7%) were the most frequent etiologies. Temporal lesion (Incidence relative risk (IRR): 1.76, 95% CI [1.08–2.87], p = 0.023), prior history of CNS infection (IRR:1.18, 95% CI [1.03–1.35], p = 0.019), use of intra-operative ECoG (IRR:1.73, 95% CI [1.06–2.81], p = 0.028), and absence of IEDs in postoperative EEG (IRR: 1.41, 95% CI [1.18–1.70], p < 0.001) were positive predictors for a favorable outcome. Conclusion: Many patients with drug-resistant lesional epilepsy showed a favorable response to surgery. We believe that resective epilepsy surgery in low-income settings is a major treatment option. The high frequency of patients with drug-resistant epilepsy in developing countries is associated with high rates of morbidity and mortality. Hence, strategies to increase access to epilepsy surgery in these settings are urgently needed. © 2021 Elsevier Inc.
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