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Neuropsychiatric Tests and Cognitive Functions Before and After Epilepsy Surgery in Patients With Drug-Resistant Epilepsy Publisher



G Farahmand GHASEM ; S Gharehjeh SINA ; Sr Ebadi Seyyed REZA ; V Zolfaghari VAHID ; S Ranji SARA ; S Shafiee SAJJAD ; A Tafakhori ABBAS ; A Behkar ATEFEH ; M Shahbazi MOJTABA ; V Aghamollaii VAJIHEH
Authors

Source: Current Journal of Neurology Published:2024


Abstract

Background: Patients with refractory epilepsy may benefit from epilepsy surgery. However, cognitive decline following epilepsy surgery is a significant concern. In this study, we investigated the effect of epilepsy surgery on cognitive function. Methods: In this pre-post study, we used a census method to include 15 patients diagnosed with intractable epilepsy based on International League Against Epilepsy (ILAE) criteria, aged 10-65 years, and eligible for epilepsy surgery. We used the Rey Auditory Verbal Learning Test (RAVLT) and Delis-Kaplan Executive Function System (D-KEFS) to evaluate patients’ cognitive function. The Wilcoxon test was used to compare cognitive function before and one month after surgery. Results: Fifteen patients (mean age: 34.2 ± 11.1) were included. The Wechsler Symbol Digit Modalities Test and Wisconsin Card Sorting Test (WCST)/Condition 2-1 (3.26 ± 1.83 to 4.13 ± 2.03, +26.7%, P = 0.01) and WCST/Condition 2-2 (3.33 ± 2.05 to 3.86 ± 2.03, 15.0%, P = 0.021) were the only tests in the total population that showed significant improvement. RAVLT/Step 1-5 (31.00 ± 10.87 to 33.72 ± 13.12, +8.8%, P = 0.02), RAVLT/Step 6 (6.00 ± 3.06 to 7.36 ± 3.66, +22.7%, P = 0.04). © 2025 Elsevier B.V., All rights reserved.
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