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- W3119792013 abstract "ObjectiveTo assess based on a single-center data from a multicenter trial (Stimulation of the Anterior Nucleus for the Thalamus for Epilepsy (SANTE)), the role of anatomical connectivity and other factors (e.g., stimulating electrode placement) on efficacy of electro-therapy of the anterior thalamic nuclei (ATN), a node in Papez network, on pharmaco-resistant seizures.Data sourceAdults with at least 6 seizures /month were enrolled in this trial. Percent seizure reduction was compared between subjects with seizures emerging inside Papez’s network (IPN) to those with seizures outside it (OPN). Statistical analyses were performed on the first year of the trial.ResultsData from 11 subjects were analyzed. At Year 1, median seizure reduction was 80.5% (−100% to −40.3%) in 8/11 subjects with seizures IPN, vs. 52.8% (−61.4% to −23.7%) for 3/11 subjects with seizures OPN (2-sided Wilcoxon p = 0.08). At year 7, 3/11 subjects with seizures IPN had been seizure free for several years vs. 0/11 subjects with seizures OPN. Addition of 4 subjects from a pilot trial with nearly identical protocol to SANTE’s, increased to 12/15 the number of subjects with seizures IPN. A 2-sided Fisher’s exact test applied to seizure frequency reduction in the 12/15 cohort compared to the 3/15 with seizures OPN, showed significant (p = 0.04) differences in efficacy at the 70% seizure reduction rate. Median quality of life (QOL) scores for subjects with seizures IPN improved by 81% vs. 53% for subjects with seizures OPN. No other factors (e.g., current intensity) had a statistically significant effect on efficacy.ConclusionsDegree of anatomical connectivity between stimulation targets and epileptogenic networks (ENs) plays an important role in therapeutic efficacy. This may be explained by the minimization of signal attenuation inherent in impulse transmission in nervous tissue partly as a function of fiber tract length, tissue anisotropy, and number of synaptic relays between stimulation target and epileptogenic networks." @default.
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- W3119792013 date "2021-02-01" @default.
- W3119792013 modified "2023-09-24" @default.
- W3119792013 title "Anatomical connectivity and efficacy of electro-therapy for seizure control: A SANTE’s single-center regression analyses" @default.
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- W3119792013 doi "https://doi.org/10.1016/j.yebeh.2020.107709" @default.
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