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Anteromesial Temporal Lobectomy for Medically Intractable Temporal Lobe Epilepsy: An Operative Study
Published on: August 15, 2025
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Aura Type and Outcome After Anterior Temporal Lobectomy
Luis F Rendon1, Sarah K Bick2, Sydney S Cash3
1Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA; Department of Neurosurgery, Boston University School of Medicine, Boston, Massachusetts, USA.
World Neurosurgery
|February 2, 2022
Summary
Certain auras, like cephalic, gustatory, and visual, predict worse seizure control after anterior temporal lobectomy (ATL) for temporal lobe epilepsy (TLE). Multiple auras and fewer medications correlate with better outcomes post-surgery.
Area of Science:
- Neurology
- Epileptology
- Neurosurgery
Background:
- Temporal lobe epilepsy (TLE) is a common cause of drug-resistant focal epilepsy.
- Anterior temporal lobectomy (ATL) improves seizure control in refractory TLE.
- The relationship between aura types and ATL outcomes is not well understood.
Purpose of the Study:
- To investigate associations between clinical features, aura types, and seizure outcomes following ATL.
- To identify predictors of surgical success in TLE patients undergoing ATL.
Main Methods:
- Retrospective review of 174 patients undergoing ATL (1993-2016).
- Comparison of demographic and clinical variables across aura types using ANOVA and logistic regression.
- Multiple regression analysis to assess aura type as a predictor of seizure outcome.
Main Results:
- Mesial temporal sclerosis (MTS) inversely correlated with cephalic auras.
- Affective and somatosensory auras correlated with MTS; auditory auras showed an inverse correlation.
- Cephalic, gustatory, and visual auras predicted worse seizure outcomes post-ATL. Fewer preoperative medications and multiple auras predicted better outcomes.
Conclusions:
- Cephalic, gustatory, and visual auras are associated with poorer seizure outcomes after ATL.
- Aura characteristics can inform prognostication for TLE patients undergoing epilepsy surgery.
- Identifying specific aura types may help personalize treatment strategies for refractory epilepsy.
