World neurosurgery · 2021
The Anterior Trans-Superior Temporal Gyrus Approach for Selective Amygdalohippocampectomy.
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Costa Emmanuel, Joris Vincent, Vaz Geraldo, Santos Susana Ferrao, El-Tahry Riëm, Duprez Thierry, Raftopoulos Christian
Аннотация
BACKGROUND: Different surgical approaches have been described for selective amygdalohippocampectomy in patients with pharmacoresistant temporal lobe epilepsy. The aim of this study was to report the results of the innovative anterior trans-superior temporal gyrus approach in a single-center series.
METHODS: Patients' characteristics, postoperative outcomes, and complications were reviewed in a series of 8 consecutive patients with temporal lobe epilepsy operated on using the anterior trans-superior temporal gyrus approach between November 2015 and April 2017.
RESULTS: Over a mean 2.5-year follow-up, 7 of 8 patients (87.5%) remained seizure-free (Engel class I). Only 1 patient (12.5%) was not cured (Engel class III) with no clear explanation for treatment failure. Mean operative time was 237 minutes, which was 80 minutes shorter compared with the classic transsylvian approach. No perioperative deaths were recorded and there were no visual field defects or visual acuity impairments secondary to the approach. One patient experienced a left posterior thalamocapsular stroke.
CONCLUSIONS: The anterior trans-superior temporal gyrus approach is feasible, fast, and safe for selective amygdalohippocampectomy in patients with drug-refractory temporal lobe epilepsy. This approach allows preservation of the optic radiation but cuts part of the uncinate fasciculus and potentially the anterior aspect of the anterior bundle of the middle longitudinal fasciculus.
METHODS: Patients' characteristics, postoperative outcomes, and complications were reviewed in a series of 8 consecutive patients with temporal lobe epilepsy operated on using the anterior trans-superior temporal gyrus approach between November 2015 and April 2017.
RESULTS: Over a mean 2.5-year follow-up, 7 of 8 patients (87.5%) remained seizure-free (Engel class I). Only 1 patient (12.5%) was not cured (Engel class III) with no clear explanation for treatment failure. Mean operative time was 237 minutes, which was 80 minutes shorter compared with the classic transsylvian approach. No perioperative deaths were recorded and there were no visual field defects or visual acuity impairments secondary to the approach. One patient experienced a left posterior thalamocapsular stroke.
CONCLUSIONS: The anterior trans-superior temporal gyrus approach is feasible, fast, and safe for selective amygdalohippocampectomy in patients with drug-refractory temporal lobe epilepsy. This approach allows preservation of the optic radiation but cuts part of the uncinate fasciculus and potentially the anterior aspect of the anterior bundle of the middle longitudinal fasciculus.