Abstract
PurposeThis study investigates the efficacy of transylvian selective amygdalohippocampectomy (TS SAH) in children with medically intractable epilepsy due to unilateral hippocampal sclerosis. Post-surgical seizure control, intellectual and memory outcomes are examined. MethodThis study reports on pre- and post-surgical clinical data from 10 patients who underwent TS SAH between 2002 and 2010 after 24 months follow-up. Pre- and post-operative change in seizure frequency, AED use, intellect and memory are compared. ResultsAt 12 months and 24 months post-surgery, 9/10 (90%) and 7/8 (87.5%) patients respectively, were seizure free (Engel I). No patients were classed as Engel III or IV. No significant improvement or decline at a group level was found on measures of intellect or verbal or visual memory. One hundred per cent improved or remained within 1 SD of their pre-operatives score on verbal and perceptual reasoning learning and reasoning measures. Significant improvement was found post-operatively for both immediate and delayed facial memory. ConclusionOur findings of good post-surgical seizure control and favourable cognitive outcome provides evidence against previous findings that SAH in children may not be effective.
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