Research Article

Predictors of Postoperative Seizure Recurrence: A Longitudinal Study of Temporal and Extratemporal Resections

Table 1

Demographic and clinical characteristics of the cohort (70 patients).

GenderMale 32 (46%); female 38 (54%)
Mean age, years (range)39 (21–64)
Mean epilepsy duration, years (range)18 (1–57)
History of secondary generalized tonic-clonic seizures, (%)46 (66%)
Mean number of antiepileptic drugs tried (range)5 (1–10)
Mean follow-up, months (range)48 (24–87)
Resection site, (%)Temporal, 54 (77%); extratemporal, 16 (23%)
Number of extraoperative invasive monitoring, (%)12 (17%)
Number of intraoperative electrocorticography, (%)41 (59%)
Ictal EEG, (%)Concordant, 52 (74%); discordant, 16 (23%); inconclusive, 2 (3%)
Interictal EEG, (%)Concordant, 37 (53%); discordant, 25 (36%); normal, 8 (11%)
MRI, (%)Abnormal 53 (76%); normal 17 (24%)
Number of patients who had Wada test, (%)52 (74%)
Wada memory lateralization, (%)Concordant 44 (85%); discordant 8 (15%)
Pathology, (%)Mesial temporal sclerosis or gliosis 45 (64%); benign tumor 7 (10%); vascular lesion 4 (4%); other 7 (10%); normal 7 (10%)