Prediction tools and risk stratification in epilepsy surgery

To conduct external validation of previously published epilepsy surgery prediction tools using a large independent multicenter dataset and to assess whether these tools can stratify patients for being operated and for becoming free of disabling seizures (ILAE 1 and 2).We analyzed a dataset of 1,562...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Hadady Levente
Sperling Michael R
Alcala-Zermeno Juan Luis
French Jacqueline A
Dugan Patricia
Jehi Lara
Fabó Dániel
Klivényi Péter
Rubboli Guido
Beniczky Sándor
Dokumentumtípus: Cikk
Megjelent: 2024
Sorozat:EPILEPSIA 65 No. 2
Tárgyszavak:
doi:10.1111/epi.17851

mtmt:34426398
Online Access:http://publicatio.bibl.u-szeged.hu/31175
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245 1 0 |a Prediction tools and risk stratification in epilepsy surgery  |h [elektronikus dokumentum] /  |c  Hadady Levente 
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520 3 |a To conduct external validation of previously published epilepsy surgery prediction tools using a large independent multicenter dataset and to assess whether these tools can stratify patients for being operated and for becoming free of disabling seizures (ILAE 1 and 2).We analyzed a dataset of 1,562 patients, not used for tool development. We applied two scales: Epilepsy Surgery Grading Scale (ESGS) and Seizure Freedom Score (SFS), and two versions of Epilepsy Surgery Nomograms (ESNs): the original version and the modified version which included EEG data. For the ESNs we used calibration curves and concordance indexes. We stratified the patients into three tiers, for assessing the chances of attaining freedom of disabling seizures after surgery: high (ESGS 1, SFS 3-4, ESNs>70%), moderate (ESGS 2, SFS 2, ESNs 40-70%) and low (ESGS 2, SFS 0-1, ESNs<40%). We compared the three tiers as stratified by these tools, concerning the proportion of patients who were operated, and for the proportion of patients who became free of disabling seizures.The concordance indexes for the various versions of the nomograms were between 0.56 and 0.69. Both scales (ESGS, SFS) and nomograms accurately stratified the patients for becoming free of disabling seizures, with significant differences among the three tiers (p<0.05). In addition, ESGS and the modified ESN accurately stratified the patients for having been offered surgery, with significant difference among the three tiers (p<0.05).ESGS and the modified ESN (at thresholds of 40% and 70%) stratify patients undergoing presurgical evaluation into three tiers, with high, moderate and low chance for favorable outcome, with significant differences between the groups concerning having surgery and becoming free of disabling seizures. Stratifying patients for epilepsy surgery has the potential to help select the optimal candidates in underprivileged areas and better allocation of resources in developed countries. 
650 4 |a Klinikai orvostan 
700 0 1 |a Sperling Michael R  |e aut 
700 0 2 |a Alcala-Zermeno Juan Luis  |e aut 
700 0 2 |a French Jacqueline A  |e aut 
700 0 2 |a Dugan Patricia  |e aut 
700 0 2 |a Jehi Lara  |e aut 
700 0 2 |a Fabó Dániel  |e aut 
700 0 2 |a Klivényi Péter  |e aut 
700 0 2 |a Rubboli Guido  |e aut 
700 0 2 |a Beniczky Sándor  |e aut 
856 4 0 |u http://publicatio.bibl.u-szeged.hu/31175/1/Epilepsia-2023-Hadady-Predictiontoolsandriskstratificationinepilepsysurgery.pdf  |z Dokumentum-elérés