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Sobstyl M, Konopko M, Wierzbicka A. Battery depletion in patients treated with anterior thalamic stimulation for drug-resistant epilepsy. Epileptic Disord 2024; 26:527-529. [PMID: 38625058 DOI: 10.1002/epd2.20226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/18/2024] [Accepted: 04/03/2024] [Indexed: 04/17/2024]
Affiliation(s)
- Michał Sobstyl
- Department of Neurosurgery, Institute of Psychiatry and Neurology, Warsaw, Poland
| | - Magdalena Konopko
- 1st Department of Neurology, Institute of Psychiatry and Neurology, Warsaw, Poland
| | - Aleksandra Wierzbicka
- Department of Clinical Neurophysiology, Institute of Psychiatry and Neurology, Warsaw, Poland
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Gascoigne SJ, Evans N, Hall G, Kozma C, Panagiotopoulou M, Schroeder GM, Simpson C, Thornton C, Turner F, Woodhouse H, Blickwedel J, Chowdhury FA, Diehl B, Duncan JS, Faulder R, Thomas RH, Wilson K, Taylor PN, Wang Y. Incomplete resection of the intracranial electroencephalographic seizure onset zone is not associated with postsurgical outcomes. Epilepsia 2024. [PMID: 38990082 DOI: 10.1111/epi.18061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 07/01/2024] [Accepted: 07/02/2024] [Indexed: 07/12/2024]
Abstract
Delineation of seizure onset regions using intracranial electroencephalography (icEEG) is vital in the surgical workup of drug-resistant epilepsy cases. However, it is unknown whether the complete resection of these regions is necessary for seizure freedom, or whether postsurgical seizure recurrence can be attributed to the incomplete removal of seizure onset regions. To address this gap, we retrospectively analyzed icEEG recordings from 63 subjects, identifying seizure onset regions visually and algorithmically. We assessed onset region resection and correlated this with postsurgical seizure control. The majority of subjects had more than half of their onset regions resected (82.46% and 80.65% of subjects using visual and algorithmic methods, respectively). There was no association between the proportion of the seizure onset zone (SOZ) that was subsequently resected and better surgical outcomes (area under the receiver operating characteristic curve [AUC] < .7). Investigating the spatial extent of onset regions, we found no substantial evidence of an association with postsurgical seizure control (all AUC < .7). Although seizure onset regions are typically resected completely or in large part, incomplete resection is not associated with worse postsurgical outcomes. We conclude that postsurgical seizure recurrence cannot be attributed to an incomplete resection of the icEEG SOZ alone. Other network mechanisms beyond icEEG seizure onset likely contribute.
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Affiliation(s)
- Sarah J Gascoigne
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Nathan Evans
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Gerard Hall
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Csaba Kozma
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Mariella Panagiotopoulou
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Gabrielle M Schroeder
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Callum Simpson
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Christopher Thornton
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Frances Turner
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Heather Woodhouse
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Jess Blickwedel
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Fahmida A Chowdhury
- University College London Queen Square Institute of Neurology, Queen Square, London, UK
| | - Beate Diehl
- University College London Queen Square Institute of Neurology, Queen Square, London, UK
| | - John S Duncan
- University College London Queen Square Institute of Neurology, Queen Square, London, UK
| | - Ryan Faulder
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
| | - Rhys H Thomas
- Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, UK
| | - Kevin Wilson
- School of Mathematics, Statistics, and Physics, Newcastle University, Newcastle Upon Tyne, UK
| | - Peter N Taylor
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
- University College London Queen Square Institute of Neurology, Queen Square, London, UK
- Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, UK
| | - Yujiang Wang
- Computational Neurology, Neuroscience & Psychiatry (CNNP) Lab, Interdisciplinary Computing and Complex BioSystems Group, School of Computing, Newcastle University, Newcastle Upon Tyne, UK
- University College London Queen Square Institute of Neurology, Queen Square, London, UK
- Faculty of Medical Sciences, Newcastle University, Newcastle Upon Tyne, UK
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Fava A, Lisi SV, Mauro L, Morace R, Ciavarro M, Gorgoglione N, Petrella G, Quarato PP, Di Gennaro G, di Russo P, Esposito V. The anterior sylvian point as a reliable landmark for the anterior temporal lobectomy in mesial temporal lobe epilepsy: technical note, case series, and cadaveric dissection. Front Med (Lausanne) 2024; 11:1352321. [PMID: 39015783 PMCID: PMC11250084 DOI: 10.3389/fmed.2024.1352321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 05/29/2024] [Indexed: 07/18/2024] Open
Abstract
Introduction Mesial temporal lobe epilepsy (MTLE) is one of the most prevalent forms of focal epilepsy in surgical series, particularly among adults. Over the decades, different surgical strategies have been developed to address drug-resistant epilepsy while safeguarding neurological and cognitive functions. Among these strategies, anterior temporal lobectomy (ATL), involving the removal of the temporal pole and mesial temporal structures, has emerged as a widely employed technique. Numerous modifications have been proposed to mitigate the risks associated with aphasia, cognitive issues, and visual field defects. Methods Our approach is elucidated through intraoperative and cadaveric dissections, complemented by neuroradiological and cadaveric measurements of key anatomical landmarks. A retrospective analysis of patients with drug-resistant MTLE who were treated using our ATL technique at IRCCS Neuromed (Pozzilli) is presented. Results A total of 385 patients were treated with our ATL subpial technique anatomically focused on the anterior Sylvian point (ASyP). The mean FU was 9.9 ± 5.4 years (range 1-24). In total, 84%of patients were free of seizures during the last follow-up, with no permanent neurological deficits. Transient defects were as follows: aphasia in 3% of patients, visual field defects in 2% of patients, hemiparesis in 2% of patients, and cognitive/memory impairments in 0.8% of patients. In cadaveric dissections, the ASyP was found at a mean distance from the temporal pole of 3.4 ± 0.2 cm (range 3-3.8) at the right side and 3.5 ± 0.2 cm (3.2-3.9) at the left side. In neuroimaging, the ASyP resulted anterior to the temporal horn tip in all cases at a mean distance of 3.2 ± 0.3 mm (range 2.7-3.6) at the right side and 3.5 ± 0.4 mm (range 2.8-3.8) at the left side. Discussion To the best of our knowledge, this study first introduces the ASyP as a reliable and reproducible cortical landmark to perform the ATL to overcome the patients' variabilities, the risk of Meyer's loop injury, and the bias of intraoperative measurements. Our findings demonstrate that ASyP can be a safe cortical landmark that is useful in MTLE surgery because it is constantly present and is anterior to risky temporal regions such as temporal horn and language networks.
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Affiliation(s)
- Arianna Fava
- IRCCS Neuromed, Pozzilli, Italy
- Laboratory of Neuroanatomy “G. Cantore”, IRCCS Neuromed, Pozzilli, Italy
- Department of Human Neurosciences, University of Rome “La Sapienza”, Rome, Italy
| | | | - Luigi Mauro
- Laboratory of Neuroanatomy “G. Cantore”, IRCCS Neuromed, Pozzilli, Italy
| | | | | | - Nicola Gorgoglione
- IRCCS Neuromed, Pozzilli, Italy
- Laboratory of Neuroanatomy “G. Cantore”, IRCCS Neuromed, Pozzilli, Italy
| | | | | | | | - Paolo di Russo
- IRCCS Neuromed, Pozzilli, Italy
- Laboratory of Neuroanatomy “G. Cantore”, IRCCS Neuromed, Pozzilli, Italy
| | - Vincenzo Esposito
- IRCCS Neuromed, Pozzilli, Italy
- Laboratory of Neuroanatomy “G. Cantore”, IRCCS Neuromed, Pozzilli, Italy
- Department of Human Neurosciences, University of Rome “La Sapienza”, Rome, Italy
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Matoba K, Matsumoto R, Shimotake A, Nakae T, Imamura H, Togo M, Yamao Y, Usami K, Kikuchi T, Yoshida K, Matsuhashi M, Kunieda T, Miyamoto S, Takahashi R, Ikeda A. Basal temporal language area revisited in Japanese language with a language function density map. Cereb Cortex 2024; 34:bhae218. [PMID: 38858838 DOI: 10.1093/cercor/bhae218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/04/2024] [Accepted: 05/08/2024] [Indexed: 06/12/2024] Open
Abstract
We revisited the anatomo-functional characteristics of the basal temporal language area (BTLA), first described by Lüders et al. (1986), using electrical cortical stimulation (ECS) in the context of Japanese language and semantic networks. We recruited 11 patients with focal epilepsy who underwent chronic subdural electrode implantation and ECS mapping with multiple language tasks for presurgical evaluation. A semiquantitative language function density map delineated the anatomo-functional characteristics of the BTLA (66 electrodes, mean 3.8 cm from the temporal tip). The ECS-induced impairment probability was higher in the following tasks, listed in a descending order: spoken-word picture matching, picture naming, Kanji word reading, paragraph reading, spoken-verbal command, and Kana word reading. The anterior fusiform gyrus (FG), adjacent anterior inferior temporal gyrus (ITG), and the anterior end where FG and ITG fuse, were characterized by stimulation-induced impairment during visual and auditory tasks requiring verbal output or not, whereas the middle FG was characterized mainly by visual input. The parahippocampal gyrus was the least impaired of the three gyri in the basal temporal area. We propose that the BTLA has a functional gradient, with the anterior part involved in amodal semantic processing and the posterior part, especially the middle FG in unimodal semantic processing.
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Affiliation(s)
- Kento Matoba
- Division of Neurology, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
- Department of Neurology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Riki Matsumoto
- Division of Neurology, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
- Department of Neurology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Akihiro Shimotake
- Department of Neurology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Takuro Nakae
- Department of Neurosurgery, Shiga General Hospital, 5-4-30 Moriyama, Moriyama, Shiga 524-0022, Japan
| | - Hisaji Imamura
- Department of Neurology, Fukui Red Cross Hospital, 2-4-1, Tsukimi, Fukui, 918-8011, Japan
| | - Masaya Togo
- Division of Neurology, Kobe University Graduate School of Medicine, 7-5-2, Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | - Yukihiro Yamao
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Kiyohide Usami
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Takayuki Kikuchi
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Kazumichi Yoshida
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Masao Matsuhashi
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
- Human Brain Research Center, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Takeharu Kunieda
- Department of Neurosurgery, Ehime University Graduate School of Medicine, 454 Shitsukawa, Toon, Ehime, Japan
| | - Susumu Miyamoto
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Ryosuke Takahashi
- Department of Neurology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Akio Ikeda
- Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine, 54 Kawaharacho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
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Sobstyl M, Konopko M, Sienkiewicz-Jarosz H, Kurkowska-Jastrzębska I, Nagańska E, Stapińska-Syniec A, Glinka P, Rylski M. Clinical efficacy and safety of anterior thalamic deep brain stimulation for intractable drug resistant epilepsy. Epilepsy Res 2023; 195:107199. [PMID: 37531721 DOI: 10.1016/j.eplepsyres.2023.107199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/28/2023] [Accepted: 07/23/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND Deep brain stimulation of the anterior nucleus of the thalamus (ANT DBS) is a neuromodulation therapy for patients with refractory focal seizures evolving into bilateral tonic-clonic seizures when pharmacotherapy as well other neuromodulation techniques including vagus nerve stimulation or responsive neurostimulation have failed. OBJECTIVE We performed a prospective single-center study investigating the clinical efficacy and exact ANT DBS lead location in patients with DRE. METHODS The primary outcome measure was the proportion of patients with more than 50 % reduction in diary-recorded seizures when compared to three preoperative months (baseline seizure frequency). The close postoperative follow-up was performed every 3 months. The seizure frequency, stimulation settings and adverse events were closely monitored during follow-up visits. We also analyzed the seizure outcome with location of ANT DBS active contacts. RESULTS Between May 2020 and October 2022, 10 adult patients with a mean age of 38.5 years (range, 30-48 years) underwent bilateral ANT DBS surgery (mean duration of DRE 28.6 years, range 16-41 years). The median seizure count in three months period preceding surgery (baseline seizure count) was 43.2 (range, 4-150). Nine patients achieved more than 50 % seizure reduction at the last follow-up (mean range 3-33 13.6 months, months). ANT DBS caused seizure reduction 3 months after procedure as well as at last follow-up by 60.4 % and 73.3 %, respectively. Due to relatively small number of studying individuals we cannot precisely locate the area within ANT associated with good clinical outcome. Patients with temporal lobe epilepsy had a remarkable reduction of seizure frequency. No patient suffered transient or permanent neurological deficits. CONCLUSIONS Clinical efficacy of ANT DBS may support more widespread utilization of this neuromodulation technique especially for seizures originating from temporal lobes.
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Affiliation(s)
- Michał Sobstyl
- Department of Neurosurgery, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland.
| | - Magdalena Konopko
- 1st Department of Neurology, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland
| | - Halina Sienkiewicz-Jarosz
- 1st Department of Neurology, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland
| | - Iwona Kurkowska-Jastrzębska
- 2nd Department of Neurology, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland
| | - Ewa Nagańska
- Department of Neurology and Epileptology, Independent Public Clinical Hospital, Medical Center for Postgraduate Education, Czerniakowska 231 Street, 00-416 Warsaw, Poland
| | - Angelika Stapińska-Syniec
- Department of Neurosurgery, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland
| | - Piotr Glinka
- Department of Neurosurgery, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland
| | - Marcin Rylski
- Department of Radiology, Institute of Psychiatry and Neurology, Sobieskiego 9 Street, 02-957 Warsaw, Poland
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Câmara B, Fava A, Matano F, Okano A, Ronconi D, Silva Costa B, Gadelha Figueiredo E, Chassoux F, Devaux B, Froelich S. Transuncal Selective Amygdalohippocampectomy by an Inferolateral Preseptal Endoscopic Approach Through Inferior Eyelid Conjunctival Incision: An Anatomic Study. Oper Neurosurg (Hagerstown) 2023; 25:199-208. [PMID: 37133253 DOI: 10.1227/ons.0000000000000728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 02/23/2023] [Indexed: 05/04/2023] Open
Abstract
BACKGROUND Transorbital endoscopic approaches have been described for pathologies of anterior and middle fossae. Standard lateral orbitotomy gives access to mesial temporal lobe, but the axis of work is partially obscured by the temporal pole and working corridor is limited. OBJECTIVE To evaluate the usefulness of an inferolateral orbitotomy to provide a more direct corridor to perform a transuncal selective amygdalohippocampectomy. METHODS Three adult cadaveric specimens were used for a total of 6 dissections. A step-by-step description and illustration of the transuncal corridor for a selective amygdalohippocampectomy were performed using the inferolateral orbitotomy through an inferior eyelid conjunctival incision. The anatomic landmarks were demonstrated in detail. Orbitotomies and angles of work were measured from computed tomography scans, and the area of resection was illustrated by postdissection MRI. RESULTS Inferior eyelid conjunctival incision was made for exposure of the inferior orbital rim. Inferolateral transorbital approach was performed to access the transuncal corridor. Endoscopic selective amygdalohippocampectomy was performed through the entorhinal cortex without damage to the temporal neocortex or Meyer's loop. The mean horizontal diameter of the osteotomy was 14.4 mm, and the vertical one was 13.6 mm. The mean angles of work were 65° and 35.5° in the axial and sagittal planes, respectively. Complete amygdalohippocampectomy was achieved in all 6 dissections. CONCLUSION Transuncal selective amygdalohippocampectomy was feasible in cadaveric specimens using the inferolateral transorbital endoscopic approach avoiding damage to the temporal neocortex and Meyer's loop. The inferior eyelid conjunctival incision may result in an excellent cosmetic outcome.
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Affiliation(s)
- Breno Câmara
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
- Laboratoire de neurochirurgie expérimentale, Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Arianna Fava
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
- Laboratoire de neurochirurgie expérimentale, Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Fumihiro Matano
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
- Laboratoire de neurochirurgie expérimentale, Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Atsushi Okano
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
- Laboratoire de neurochirurgie expérimentale, Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Daniel Ronconi
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
- Laboratoire de neurochirurgie expérimentale, Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Bruno Silva Costa
- Hospital Santa Casa de Misericórdia de Belo Horizonte, Belo Horizonte, Minas Gerais, Brazil
| | | | - Francine Chassoux
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
| | - Bertrand Devaux
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
| | - Sébastien Froelich
- Service de Neurochirurgie-Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Université Paris Cité, Paris, France
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Santos-Santos A, Morales-Chacón LM, Galan-Garcia L, Machado C. Short and long term prediction of seizure freedom in drug-resistant focal epilepsy surgery. Clin Neurol Neurosurg 2023; 230:107753. [PMID: 37245454 DOI: 10.1016/j.clineuro.2023.107753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 12/18/2022] [Accepted: 05/02/2023] [Indexed: 05/30/2023]
Abstract
BACKGROUND The selection of candidates for drug-resistant focal epilepsy surgery is essential to achieve the best post-surgical outcomes. OBJECTIVE To develop two prediction models for seizure freedom in the short and long-term follow-up and from them to create a risk calculator in order to individualize the selection of candidates for surgery and future therapies in each patients. METHODS A sample of 64 consecutive patients who underwent epilepsy surgery at two Cuban tertiary health institutions between 2012 and 2020 constituted the basis for the prediction models. Two models were obtained through the novel methodology, based on biomarker selection reached by resampling methods, cross-validation and high-accuracy index measured through the area under the receiving operating curve (ROC) procedure. RESULTS The first, to pre-operative model included five predictors: epilepsy type, seizures per month, ictal pattern, interictal EEG topography and normal or abnormal magnetic resonance imaging,. it's precision was 0.77 at one year, and with four years and more 0.63. The second model including variables from the trans-surgical and post-surgical stages: the interictal discharges in the post-surgical EEG, incomplete or complete resection of the epileptogenic zone, the surgical techniques employed and disappearance of the discharge in post-resection electrocorticography; the precision of this model was 0.82 at one year, and with four years and more 0.97. CONCLUSIONS The introduction of trans-surgical and post-surgical variables increase the prediction of the pre-surgical model. A risk calculator was developed using these prediction models, which could be useful as an accurate tool to improve the prediction in epilepsy surgery.
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Affiliation(s)
| | | | | | - Calixto Machado
- Institute of Neurology and Neurosurgery, Department of Clinical Neurophysiology, President of the Cuban Society of Clinical Neurophysiology, Cuba
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8
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Jayalakshmi S, Vasireddy S, Sireesha J, Vooturi S, Patil A, Sirisha S, Vadapalli R, Chandrasekhar YBVK, Panigrahi M. Long-Term Seizure Freedom, Resolution of Epilepsy and Perceived Life Changes in Drug Resistant Temporal Lobe Epilepsy With Hippocampal Sclerosis: Comparison of Surgical Versus Medical Management. Neurosurgery 2023; 92:1249-1258. [PMID: 36757322 DOI: 10.1227/neu.0000000000002358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/09/2022] [Indexed: 02/10/2023] Open
Abstract
BACKGROUND Outcome of temporal lobe epilepsy associated with hippocampal sclerosis (TLE-HS) has rarely been evaluated exclusively. OBJECTIVE To compare long-term seizure freedom, resolution of epilepsy, and perceived life changes in patients with drug-resistant TLE-HS who underwent surgery vs those who opted for best medical management. METHODS In this retrospective longitudinal study, 346 patients with TLE-HS who underwent surgery were compared with 325 who received best medical management. Predictors for long-term remission, resolution of epilepsy, and seizure recurrence were analyzed. RESULTS The duration of follow-up ranged from 3-18 (mean 12.61) years. The average age of study population was 28.54 ± 12.27 years with 321 (47.8%) women. Age at onset of epilepsy (11.84 ± 8.48 vs 16.29 ± 11.88; P ≤ .001) was lower, and duration of epilepsy (15.65 ± 9.33 vs 12.97 ± 11.44; P < .001) was higher in the surgery group. Seizure freedom at 3 (81.8 vs 19.0%; P < .001), 5 (73% vs 16.1%; P < .001), and 10 years (78.3% vs 18.5; P < .001) and resolution of epilepsy (30.5% vs 0.6%; P < .001) was higher in the surgery group. The overall perceived life changes score was higher in the surgery group (80.96 ± 25.47 vs 66.24 ± 28.13; P < .001). At long-term follow-up (≥10 years), the presence of an aura was the strongest predictor for resolution of epilepsy (β: 2.29 [95% CI; 1.06-4.93]; P = .035), whereas acute postoperative seizures (APOS) (β: 6.06 [95% CI 1.57-23.42]; P < .001) and an abnormal postoperative EEG (β: 0.222 [95% CI 0.100-0.491]; P < .001) were predictors of persistent seizures. Seizure freedom both at 3 and 5 years predicted seizure freedom at 10 years. CONCLUSION Surgery for drug-resistant TLE-HS was associated with higher rate of long-term seizure-freedom, resolution of epilepsy, and reduction of anti-seizure medications with improvement in perceived life changes compared with best medical management. The presence of an aura was predictor for resolution of epilepsy while APOS and an abnormal postoperative EEG were predictors of persistent seizures.
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Affiliation(s)
- Sita Jayalakshmi
- Department of Neurology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Sindhu Vasireddy
- Department of Neurology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Jala Sireesha
- Department of Neurology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Sudhindra Vooturi
- Department of Neurology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Anuja Patil
- Department of Neurology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Sai Sirisha
- Department of Neurology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Rammohan Vadapalli
- Department of Radiology, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Y B V K Chandrasekhar
- Department of Neurosurgery, Krishna Institute of Medical Sciences, Secunderabad, India
| | - Manas Panigrahi
- Department of Neurosurgery, Krishna Institute of Medical Sciences, Secunderabad, India
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Shelyagin IS, Akimova PO, Stefanov SZ, Sufianov RA. Predictors of surgical outcomes in patients with drug-resistant temporal lobe epilepsy. SECHENOV MEDICAL JOURNAL 2023. [DOI: 10.47093/2218-7332.2022.13.3.24-33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Aim. To identify predictors of surgical outcomes in patients with drug-resistant temporal lobe epilepsy in a multivariate model.Materials and methods. Aretrospective study included 69 patients with drug-resistant temporal lobe epilepsy who underwent microsurgical anterior temporal lobectomy. The study included 31 (45%) men and 38 (55%) women. The median age was 28 (21; 36). Surgical treatment outcomes were assessed at 6, 12, 36, and 60 months after surgical intervention according to the Engel Epilepsy Surgery Outcome Scale. Logistic regression equations were calculated, a ROC curve was constructed, and odds ratio (OR) with 95% confidence interval (CI), sensitivity, specificity, area under the ROC curve (AUC) were calculated.Results. In all assessed time periods, 88.3–93.0% of patients had outcomes consistent with Engel classes I and II. The distribution of patients by outcome classes did not change statistically significantly over the entire follow-up period. There were the following predictors of high efficacy of surgical treatment at 6 months after surgery: relatively shorter duration of active disease course (OR 0.719, 95%, CI: 0.437–0.966, p < 0.05), absence of status epilepticus (OR 0.048, 95% CI: 0.002–0.472, p < 0.05), absence of subdominant foci of irritative activity (OR 0.123, 95% CI: 0.012–0.845, p < 0.01), presence of mesial temporal sclerosis (OR 1008, 95% CI: 21.59–1310851, p < 0.01), a relatively longer resection margin on the temporal lobe (OR 637.32, 95% CI: 5.43–1960062, p < 0.05), lateralization of epileptogenic zone in subdominant hemisphere (OR 0.103, 95% CI 0.004–0.937, p = 0.0532). AUC was 0.957 (0.917–0.997), p < 0.0001; sensitivity 87.5%, and specificity 82.8%.Conclusion. Independent predictors of the efficacy of microsurgical anterior temporal lobectomy in patients with drug-resistant temporal lobe epilepsy are the following: shorter duration of active disease course, absence of status epilepticus in the history, absence of subdominant foci, presence of mesial temporal sclerosis, a relatively longer resection margin on the temporal lobe, and lateralization of the epileptogenic zone in the temporal lobe of the subdominant hemisphere.
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Affiliation(s)
- I. S. Shelyagin
- Tyumen State Medical University; Federal Centre of Neurosurgery
| | | | | | - R. A. Sufianov
- Sechenov First Moscow State Medical University (Sechenov University)
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Matias M, Santos AO, Silvestre S, Alves G. Fighting Epilepsy with Nanomedicines-Is This the Right Weapon? Pharmaceutics 2023; 15:pharmaceutics15020306. [PMID: 36839629 PMCID: PMC9959131 DOI: 10.3390/pharmaceutics15020306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/09/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Epilepsy is a chronic and complex condition and is one of the most common neurological diseases, affecting about 50 million people worldwide. Pharmacological therapy has been, and is likely to remain, the main treatment approach for this disease. Although a large number of new antiseizure drugs (ASDs) has been introduced into the market in the last few years, many patients suffer from uncontrolled seizures, demanding the development of more effective therapies. Nanomedicines have emerged as a promising approach to deliver drugs to the brain, potentiating their therapeutic index. Moreover, nanomedicine has applied the knowledge of nanoscience, not only in disease treatment but also in prevention and diagnosis. In the current review, the general features and therapeutic management of epilepsy will be addressed, as well as the main barriers to overcome to obtain better antiseizure therapies. Furthermore, the role of nanomedicines as a valuable tool to selectively deliver drugs will be discussed, considering the ability of nanocarriers to deal with the less favourable physical-chemical properties of some ASDs, enhance their brain penetration, reduce the adverse effects, and circumvent the concerning drug resistance.
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Affiliation(s)
- Mariana Matias
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
- Correspondence: (M.M.); (A.O.S.); Tel.: +351-275-329-002 (M.M.); +351-275-329-079 (A.O.S.)
| | - Adriana O. Santos
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
- Correspondence: (M.M.); (A.O.S.); Tel.: +351-275-329-002 (M.M.); +351-275-329-079 (A.O.S.)
| | - Samuel Silvestre
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
- CNC—Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - Gilberto Alves
- CICS-UBI—Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal
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11
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Cole TS, Vadera S. Surgeon-Led Initiatives to Increase Access to Surgical Treatment of Epilepsy at an Academic Level 4 Epilepsy Center: An Observational Cohort Study. Neurosurgery 2022; 91:167-172. [PMID: 35384922 DOI: 10.1227/neu.0000000000001961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 01/30/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Underutilization of surgical treatment for epilepsy is multifactorial, and the multidisciplinary nature of caring for these patients represents a significant hurdle in expanding surgical treatment of epilepsy. OBJECTIVE To develop internal and external surgical referral relationships for patients with medically refractory epilepsy with the goal of improving access to care. METHODS To expand access to surgical epilepsy treatment at University of California (UC)-Irvine, 4 broad approaches focused on developing referral relationships and process improvement of surgical evaluation were undertaken in 2015 and 2016. The authors performed a retrospective review of all surgical epilepsy case referrals of the senior author from 2014 through 2020. RESULTS Epilepsy surgical volume at UC-Irvine increased from an average of 5.2 cases annually to 32 cases in the first year (2015) of implementation. There was continued case volume growth from 2015 through 2020 to 52 procedures in the most recent year (P = .03). Hospital payments for epilepsy procedures increased from $1.09M in 2015 to $2.02M and $1.8M in 2019 and 2020 (P < .01), respectively, while maintaining a diverse payer mix. 79.4% of these patients did not have a previously established option for surgical epilepsy care. CONCLUSION We outline strategies that level 4 epilepsy centers may use to strengthen collaborations and improve patient access for surgical epilepsy treatment. Increased collaboration can both improve the number of patients with epilepsy with access to specialized surgical care and produce reimbursement benefits for the centers caring for these patients, regardless of insurance source.
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Affiliation(s)
- Tyler S Cole
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
| | - Sumeet Vadera
- Department of Neurosurgery, UC Irvine Medical Center, Orange, California, USA
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12
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Pelliccia V, Deleo F, Gozzo F, Giovannelli G, Mai R, Cossu M, Tassi L. Early epilepsy surgery for non drug-resistant patients. Epilepsy Behav Rep 2022; 19:100542. [PMID: 35573058 PMCID: PMC9096667 DOI: 10.1016/j.ebr.2022.100542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 11/23/2022] Open
Abstract
Absence of drug-resistance is predictor of better post-surgical outcome. Post-surgical outcome in non drug-resistant patients is favourable irrespective of both the localization of surgery and the histological diagnosis. Non drug-resistant patients who underwent epilepsy surgery are more likely to successfully discontinue ASMs.
The aim of epilepsy treatment is to achieve seizure freedom. Surgery is often still considered a late option when pharmacological treatments have failed and epilepsy has become drug-resistant. We analyse the clinical features and surgical outcome in patients who underwent surgery without experiencing drug-resistance comparing with those observed in patients who became drug-resistant. Two-hundred and fifty patients with symptomatic focal epilepsy (12.1% of patients who underwent surgery at the “Claudio Munari” Epilepsy Surgery Center) were selected on the basis of initial period of seizure freedom and followed-up for at least 12 months. Patients were divided into two groups: those who underwent surgery during the initial period of seizure freedom (n = 74), and those who underwent surgery after an initial seizure-free period followed by drug-resistance (n = 176). Outcomes were significantly better in non-drug-resistant patients (p < 0.001), all of whom had Engel class Ia or Ic. In the drug-resistant group, 136 patients (77.3%) had class Ia or Ic. The median post-operative follow-up was respectively 75.0 and 84.0 months. Epilepsy surgery is a successful treatment, especially for non-drug-resistant patients with focal epilepsy with structural etiology. The timing of surgery affects the outcomes, and “early” surgery should be preferred to prevent likely drug-resistance and to improve prognosis.
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Affiliation(s)
- Veronica Pelliccia
- ”Claudio Munari” Epilepsy Surgery Center, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy
| | - Francesco Deleo
- Clinical Epileptology and Experimental Neurophysiology Unit, Fondazione IRCCS, Istituto Neurologico “C. Besta”, Via Celoria 11, 20133 Milano, Italy
| | - Francesca Gozzo
- ”Claudio Munari” Epilepsy Surgery Center, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy
| | - Ginevra Giovannelli
- ”Claudio Munari” Epilepsy Surgery Center, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy
- Neurology and Stroke Unit, Careggi Hospital, Florence, Italy
| | - Roberto Mai
- ”Claudio Munari” Epilepsy Surgery Center, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy
| | - Massimo Cossu
- ”Claudio Munari” Epilepsy Surgery Center, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy
| | - Laura Tassi
- ”Claudio Munari” Epilepsy Surgery Center, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy
- Corresponding author at: “Claudio Munari” Epilepsy Surgery Centre, Niguarda Hospital, Piazza Ospedale Maggiore 3, 20162 Milano, Italy.
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Baroumand AG, Arbune AA, Strobbe G, Keereman V, Pinborg LH, Fabricius M, Rubboli G, Gøbel Madsen C, Jespersen B, Brennum J, Mølby Henriksen O, Mierlo PV, Beniczky S. Automated ictal EEG source imaging: A retrospective, blinded clinical validation study. Clin Neurophysiol 2021; 141:119-125. [PMID: 33972159 DOI: 10.1016/j.clinph.2021.03.040] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/23/2021] [Accepted: 03/02/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE EEG source imaging (ESI) is a validated tool in the multimodal workup of patients with drug resistant focal epilepsy. However, it requires special expertise and it is underutilized. To circumvent this, automated analysis pipelines have been developed and validated for the interictal discharges. In this study, we present the clinical validation of an automated ESI for ictal EEG signals. METHODS We have developed an automated analysis pipeline of ictal EEG activity, based on spectral analysis in source space, using an individual head model of six tissues. The analysis was done blinded to all other data. As reference standard, we used the concordance with the resected area and one-year postoperative outcome. RESULTS We analyzed 50 consecutive patients undergoing epilepsy surgery (34 temporal and 16 extra-temporal). Thirty patients (60%) became seizure-free. The accuracy of the automated ESI was 74% (95% confidence interval: 59.66-85.37%). CONCLUSIONS Automated ictal ESI has a high accuracy for localizing the seizure onset zone. SIGNIFICANCE Automating the ESI of the ictal EEG signals will facilitate implementation of this tool in the presurgical evaluation.
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Affiliation(s)
- Amir G Baroumand
- Medical Image and Signal Processing Group, Department of Electronics and Information Systems, Ghent University, Campus UZ Corneel Heymanslaan 10, 9000 Ghent, Belgium; Epilog NV, Vlasgaardstraat 52, 9000 Ghent, Belgium
| | - Anca A Arbune
- Department of Clinical Neurophysiology, Danish Epilepsy Centre, Visby Allé 5, 4293 Dianalund, Denmark; Neurology Clinic, Fundeni Clinical Institute, Soseaua Fundeni no. 258, Sector 2, 022328 Bucharest, Romania
| | | | - Vincent Keereman
- Medical Image and Signal Processing Group, Department of Electronics and Information Systems, Ghent University, Campus UZ Corneel Heymanslaan 10, 9000 Ghent, Belgium; Epilog NV, Vlasgaardstraat 52, 9000 Ghent, Belgium
| | - Lars H Pinborg
- Department of Neurology, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark; Neurobiology Research Unit, Copenhagen University Hospital Rigshospitalet, 9 Blegdamsvej, DK-2100 Copenhagen Ø, Denmark
| | - Martin Fabricius
- Department of Clinical Neurophysiology, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
| | - Guido Rubboli
- Department of Neurology, Danish Epilepsy Centre, Kolonivej 1, 4293 Dianalund, Denmark; Institute of Clinical Medicine, University of Copenhagen, Denmark
| | - Camilla Gøbel Madsen
- Department of Diagnostic Radiology, Centre for Functional and Diagnostic Imaging and Research, Hvidovre Hospital, Kettegaard Alle 30, 2650 Hvidovre, Denmark
| | - Bo Jespersen
- Department of Neurosurgery, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
| | - Jannick Brennum
- Department of Neurosurgery, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
| | - Otto Mølby Henriksen
- Department of Clinical Physiology, Nuclear Medicine and PET, Copenhagen University Hospital Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen Ø, Denmark
| | - Pieter van Mierlo
- Medical Image and Signal Processing Group, Department of Electronics and Information Systems, Ghent University, Campus UZ Corneel Heymanslaan 10, 9000 Ghent, Belgium; Epilog NV, Vlasgaardstraat 52, 9000 Ghent, Belgium
| | - Sándor Beniczky
- Department of Clinical Neurophysiology, Danish Epilepsy Centre, Visby Allé 5, 4293 Dianalund, Denmark; Department of Clinical Neurophysiology, Aarhus University Hospital, Palle Juul-Jensens Blvd., 8200 Aarhus, Denmark.
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Consales A, Casciato S, Asioli S, Barba C, Caulo M, Colicchio G, Cossu M, de Palma L, Morano A, Vatti G, Villani F, Zamponi N, Tassi L, Di Gennaro G, Marras CE. The surgical treatment of epilepsy. Neurol Sci 2021; 42:2249-2260. [PMID: 33797619 DOI: 10.1007/s10072-021-05198-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 03/16/2021] [Indexed: 01/07/2023]
Abstract
In 2009, the Commission for Epilepsy Surgery of the Italian League Against Epilepsy (LICE) conducted an overview about the techniques used for the pre-surgical evaluation and the surgical treatment of epilepsies. The recognition that, in selected cases, surgery can be considered the first-line approach, suggested that the experience gained by the main Italian referral centers should be pooled in order to provide a handy source of reference. In light of the progress made over these past years, some parts of that first report have accordingly been updated. The present revision aims to harmonize the general principles regulating the patient selection and the pre-surgical work-up, as well as to expand the use of epilepsy surgery, that still represents an underutilized resource, regrettably. The objective of this contribution is drawing up a methodological framework within which to integrate the experiences of each group in this complex and dynamic sector of the neurosciences.
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Affiliation(s)
- Alessandro Consales
- Division of Neurosurgery, IRCCS Giannina Gaslini Children's Hospital, Genoa, Italy
| | - Sara Casciato
- Epilepsy Surgery Centre, IRCCS Neuromed, Via Atinense, 18, 86170, Pozzilli, IS, Italy
| | - Sofia Asioli
- Department of Biomedical and Neuromotor Sciences, Section of Anatomic Pathology "M. Malpighi", Bellaria Hospital, Bologna, Italy
| | - Carmen Barba
- Neuroscience Department, Meyer Children's Hospital-University of Florence, Florence, Italy
| | - Massimo Caulo
- Department of Neuroscience, Imaging and Clinical Sciences, "G. D'Annunzio" University, Chieti, Italy
| | | | - Massimo Cossu
- "C. Munari" Epilepsy Surgery Center, Niguarda Hospital, Milan, Italy
| | - Luca de Palma
- Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children Hospital, Rome, Italy
| | - Alessandra Morano
- Department of Human Neurosciences, "Sapienza" University, Rome, Italy
| | - Giampaolo Vatti
- Department of Neurological and Sensorial Sciences, University of Siena, Siena, Italy
| | - Flavio Villani
- Division of Neurophysiology and Epilepsy Centre, IRCCS San Martino Policlinic Hospital, Genoa, Italy
| | - Nelia Zamponi
- Child Neuropsychiatric Unit, University of Ancona, Ancona, Italy
| | - Laura Tassi
- "C. Munari" Epilepsy Surgery Center, Niguarda Hospital, Milan, Italy
| | - Giancarlo Di Gennaro
- Epilepsy Surgery Centre, IRCCS Neuromed, Via Atinense, 18, 86170, Pozzilli, IS, Italy.
| | - Carlo Efisio Marras
- Department of Neuroscience and Neurorehabilitation, Bambino Gesù Children Hospital, Rome, Italy
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