Stereo-electroencephalography-guided radiofrequency thermocoagulation restricted to periventricular nodular heterotopias in patients with drug-resistant epilepsy: A single center experience. Slegers, R., Wagner, L., van Kuijk, S., Hilkman, D., Hofman, P., van Hoof, R., Jansen, J., van Kranen-Mastenbroek, V., Rijkers, K., Tousseyn, S., Colon, A., Schijns, O., & group , A. C. E. e. s. Seizure, 121:105-113, 2024. Slegers, Rutger Wagner, Louis van Kuijk, Sander Hilkman, Danny Hofman, Paul van Hoof, Raf Jansen, Jacobus van Kranen-Mastenbroek, Vivianne Rijkers, Kim Tousseyn, Simon Colon, Albert Schijns, Olaf eng England 2024/08/16 Seizure. 2024 Aug 8;121:105-113. doi: 10.1016/j.seizure.2024.07.016.
Paper doi abstract bibtex INTRODUCTION: Periventricular nodular heterotopias (PVNH) are developmental abnormalities with neurons abnormally clustered around the cerebral ventricles. Patients frequently present with focal drug-resistant epilepsy (DRE). However, the relationship between PVNH and the seizure onset zone (SOZ) is complex. Stereo-electroencephalography (SEEG) is an invasive diagnostic procedure for patients with DRE. In selected patients, the SEEG may be converted into a therapeutic procedure, lesioning the probable (SOZ) with pulsed radiofrequency thermocoagulation (RFTC). The aim of our study was to evaluate the efficacy and safety of SEEG-RFTC in a series of DRE patients with PVNH. METHODS: Twenty-four patients with focal DRE related to PVNH and treated with SEEG-guided-RFTC restricted to nodules were prospectively collected between 2016 and 2023 and retrospectively analyzed after a follow-up of at least 12 months. RESULTS: Seventeen patients (71 %) responded (ILAE class 1-4) after SEEG-guided RFTC of whom eleven (46 %) became seizure-free (class 1) at last follow up, nine (45 %) despite residual PVNH tissue on MRI. SEEG seizure onset was restricted to PVNH in eleven patients (class 1 in 45 %) and simultaneously in PVNH and other cortical areas in thirteen patients (class 1 in 46 %). Out of 31 SEEG-RFTC procedures in twenty-four patients, adverse events, related to RFTC, were recorded in eight (26 %), of which two patients (8 %) had predicted permanent visual complaints whilst the other five had transient complaints. SIGNIFICANCE: This study demonstrates that a considerable percentage of patients, even with bilateral, multiple PVNH and involvement of adjacent cortical regions can be rendered seizure-free with SEEG-guided-RFTC restricted to the nodules. Furthermore, this study delivers evidence that the complete destruction of the entire nodule is not necessary to render a patient seizure free. This justifies the use of SEEG in patients with single, multiple or bilateral PVNHs to provide insight into the epileptogenic organization in and around these lesions.
@article{RN364,
author = {Slegers, R. and Wagner, L. and van Kuijk, S. and Hilkman, D. and Hofman, P. and van Hoof, R. and Jansen, J. and van Kranen-Mastenbroek, V. and Rijkers, K. and Tousseyn, S. and Colon, A. and Schijns, O. and group, A. C. E. epilepsy surgery},
title = {Stereo-electroencephalography-guided radiofrequency thermocoagulation restricted to periventricular nodular heterotopias in patients with drug-resistant epilepsy: A single center experience},
journal = {Seizure},
volume = {121},
pages = {105-113},
note = {Slegers, Rutger
Wagner, Louis
van Kuijk, Sander
Hilkman, Danny
Hofman, Paul
van Hoof, Raf
Jansen, Jacobus
van Kranen-Mastenbroek, Vivianne
Rijkers, Kim
Tousseyn, Simon
Colon, Albert
Schijns, Olaf
eng
England
2024/08/16
Seizure. 2024 Aug 8;121:105-113. doi: 10.1016/j.seizure.2024.07.016.},
abstract = {INTRODUCTION: Periventricular nodular heterotopias (PVNH) are developmental abnormalities with neurons abnormally clustered around the cerebral ventricles. Patients frequently present with focal drug-resistant epilepsy (DRE). However, the relationship between PVNH and the seizure onset zone (SOZ) is complex. Stereo-electroencephalography (SEEG) is an invasive diagnostic procedure for patients with DRE. In selected patients, the SEEG may be converted into a therapeutic procedure, lesioning the probable (SOZ) with pulsed radiofrequency thermocoagulation (RFTC). The aim of our study was to evaluate the efficacy and safety of SEEG-RFTC in a series of DRE patients with PVNH. METHODS: Twenty-four patients with focal DRE related to PVNH and treated with SEEG-guided-RFTC restricted to nodules were prospectively collected between 2016 and 2023 and retrospectively analyzed after a follow-up of at least 12 months. RESULTS: Seventeen patients (71 %) responded (ILAE class 1-4) after SEEG-guided RFTC of whom eleven (46 %) became seizure-free (class 1) at last follow up, nine (45 %) despite residual PVNH tissue on MRI. SEEG seizure onset was restricted to PVNH in eleven patients (class 1 in 45 %) and simultaneously in PVNH and other cortical areas in thirteen patients (class 1 in 46 %). Out of 31 SEEG-RFTC procedures in twenty-four patients, adverse events, related to RFTC, were recorded in eight (26 %), of which two patients (8 %) had predicted permanent visual complaints whilst the other five had transient complaints. SIGNIFICANCE: This study demonstrates that a considerable percentage of patients, even with bilateral, multiple PVNH and involvement of adjacent cortical regions can be rendered seizure-free with SEEG-guided-RFTC restricted to the nodules. Furthermore, this study delivers evidence that the complete destruction of the entire nodule is not necessary to render a patient seizure free. This justifies the use of SEEG in patients with single, multiple or bilateral PVNHs to provide insight into the epileptogenic organization in and around these lesions.},
keywords = {Epilepsy surgery
Safety outcome
Seizure outcome
Stereotactic surgery},
ISSN = {1532-2688 (Electronic)
1059-1311 (Linking)},
DOI = {10.1016/j.seizure.2024.07.016},
url = {https://www.ncbi.nlm.nih.gov/pubmed/39146706},
year = {2024},
type = {Journal Article}
}
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E. e. s."],"bibdata":{"bibtype":"article","type":"Journal Article","author":[{"propositions":[],"lastnames":["Slegers"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Wagner"],"firstnames":["L."],"suffixes":[]},{"propositions":["van"],"lastnames":["Kuijk"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Hilkman"],"firstnames":["D."],"suffixes":[]},{"propositions":[],"lastnames":["Hofman"],"firstnames":["P."],"suffixes":[]},{"propositions":["van"],"lastnames":["Hoof"],"firstnames":["R."],"suffixes":[]},{"propositions":[],"lastnames":["Jansen"],"firstnames":["J."],"suffixes":[]},{"propositions":["van"],"lastnames":["Kranen-Mastenbroek"],"firstnames":["V."],"suffixes":[]},{"propositions":[],"lastnames":["Rijkers"],"firstnames":["K."],"suffixes":[]},{"propositions":[],"lastnames":["Tousseyn"],"firstnames":["S."],"suffixes":[]},{"propositions":[],"lastnames":["Colon"],"firstnames":["A."],"suffixes":[]},{"propositions":[],"lastnames":["Schijns"],"firstnames":["O."],"suffixes":[]},{"propositions":["group"],"lastnames":[],"firstnames":["A.","C.","E.","epilepsy","surgery"],"suffixes":[]}],"title":"Stereo-electroencephalography-guided radiofrequency thermocoagulation restricted to periventricular nodular heterotopias in patients with drug-resistant epilepsy: A single center experience","journal":"Seizure","volume":"121","pages":"105-113","note":"Slegers, Rutger Wagner, Louis van Kuijk, Sander Hilkman, Danny Hofman, Paul van Hoof, Raf Jansen, Jacobus van Kranen-Mastenbroek, Vivianne Rijkers, Kim Tousseyn, Simon Colon, Albert Schijns, Olaf eng England 2024/08/16 Seizure. 2024 Aug 8;121:105-113. doi: 10.1016/j.seizure.2024.07.016.","abstract":"INTRODUCTION: Periventricular nodular heterotopias (PVNH) are developmental abnormalities with neurons abnormally clustered around the cerebral ventricles. Patients frequently present with focal drug-resistant epilepsy (DRE). However, the relationship between PVNH and the seizure onset zone (SOZ) is complex. Stereo-electroencephalography (SEEG) is an invasive diagnostic procedure for patients with DRE. In selected patients, the SEEG may be converted into a therapeutic procedure, lesioning the probable (SOZ) with pulsed radiofrequency thermocoagulation (RFTC). The aim of our study was to evaluate the efficacy and safety of SEEG-RFTC in a series of DRE patients with PVNH. METHODS: Twenty-four patients with focal DRE related to PVNH and treated with SEEG-guided-RFTC restricted to nodules were prospectively collected between 2016 and 2023 and retrospectively analyzed after a follow-up of at least 12 months. RESULTS: Seventeen patients (71 %) responded (ILAE class 1-4) after SEEG-guided RFTC of whom eleven (46 %) became seizure-free (class 1) at last follow up, nine (45 %) despite residual PVNH tissue on MRI. SEEG seizure onset was restricted to PVNH in eleven patients (class 1 in 45 %) and simultaneously in PVNH and other cortical areas in thirteen patients (class 1 in 46 %). Out of 31 SEEG-RFTC procedures in twenty-four patients, adverse events, related to RFTC, were recorded in eight (26 %), of which two patients (8 %) had predicted permanent visual complaints whilst the other five had transient complaints. SIGNIFICANCE: This study demonstrates that a considerable percentage of patients, even with bilateral, multiple PVNH and involvement of adjacent cortical regions can be rendered seizure-free with SEEG-guided-RFTC restricted to the nodules. Furthermore, this study delivers evidence that the complete destruction of the entire nodule is not necessary to render a patient seizure free. 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E. epilepsy surgery},\n title = {Stereo-electroencephalography-guided radiofrequency thermocoagulation restricted to periventricular nodular heterotopias in patients with drug-resistant epilepsy: A single center experience},\n journal = {Seizure},\n volume = {121},\n pages = {105-113},\n note = {Slegers, Rutger\nWagner, Louis\nvan Kuijk, Sander\nHilkman, Danny\nHofman, Paul\nvan Hoof, Raf\nJansen, Jacobus\nvan Kranen-Mastenbroek, Vivianne\nRijkers, Kim\nTousseyn, Simon\nColon, Albert\nSchijns, Olaf\neng\nEngland\n2024/08/16\nSeizure. 2024 Aug 8;121:105-113. doi: 10.1016/j.seizure.2024.07.016.},\n abstract = {INTRODUCTION: Periventricular nodular heterotopias (PVNH) are developmental abnormalities with neurons abnormally clustered around the cerebral ventricles. Patients frequently present with focal drug-resistant epilepsy (DRE). However, the relationship between PVNH and the seizure onset zone (SOZ) is complex. Stereo-electroencephalography (SEEG) is an invasive diagnostic procedure for patients with DRE. In selected patients, the SEEG may be converted into a therapeutic procedure, lesioning the probable (SOZ) with pulsed radiofrequency thermocoagulation (RFTC). The aim of our study was to evaluate the efficacy and safety of SEEG-RFTC in a series of DRE patients with PVNH. METHODS: Twenty-four patients with focal DRE related to PVNH and treated with SEEG-guided-RFTC restricted to nodules were prospectively collected between 2016 and 2023 and retrospectively analyzed after a follow-up of at least 12 months. RESULTS: Seventeen patients (71 %) responded (ILAE class 1-4) after SEEG-guided RFTC of whom eleven (46 %) became seizure-free (class 1) at last follow up, nine (45 %) despite residual PVNH tissue on MRI. SEEG seizure onset was restricted to PVNH in eleven patients (class 1 in 45 %) and simultaneously in PVNH and other cortical areas in thirteen patients (class 1 in 46 %). 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