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Xu Y, Chen Y, Liu H, Zhang H, Yin Z, Liu D, Zhu G, Diao Y, Wu D, Xie H, Hu W, Zhang X, Shao X, Zhang K, Zhang J, Yang A. The clinical application of neuro-robot in the resection of epileptic foci: a novel method assisting epilepsy surgery. J Robot Surg 2023; 17:2259-2269. [PMID: 37308790 DOI: 10.1007/s11701-023-01615-w] [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: 03/27/2023] [Accepted: 05/13/2023] [Indexed: 06/14/2023]
Abstract
During surgery for foci-related epilepsy, neurosurgeons face significant difficulties in identifying and resecting MRI-negative or deep-seated epileptic foci. Here, we present a neuro-robotic navigation system that is specifically designed for resection of MRI negative epileptic foci. We recruited 52 epileptic patients, and randomly assigned them to treatment group with either neuro-robotic navigation or conventional neuronavigation system. For each patient, in the neuro-robotic navigation group, we integrated multimodality imaging including MRI and PET-CT into the robotic workstation and marked the boundary of foci from the fused image. During surgery, this boundary was delineated by the robotic laser device with high accuracy, guiding resection for the surgeon. For deeply seated foci, we exploited the neuro-robotic navigation system to localize the deepest point with biopsy needle insertion and methylene dye application to locate the boundary of the foci. Our results show that, compared with the conventional neuronavigation, the neuro-robotic navigation system performs equally well in MRI positive epilepsy patients (ENGEL I ratio: 71.4% vs 100%, p = 0.255) systems and show better performance in patients with MRI-negative focal cortical dysplasia (ENGEL I ratio: 88.2% vs 50%, p = 0.0439). At present, there are no documented neurosurgery robots with similar function and application in the field of epilepsy. Our research highlights the added value of using neuro-robotic navigation systems in resection surgery for epilepsy, particularly in cases that involve MRI-negative or deep-seated epileptic foci.
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Affiliation(s)
- Yichen Xu
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yingchuan Chen
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Huanguang Liu
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Hua Zhang
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Zixiao Yin
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Defeng Liu
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Guanyu Zhu
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Yu Diao
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Delong Wu
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Hutao Xie
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Wenhan Hu
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Xin Zhang
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, 100070, China
| | - Xiaoqiu Shao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Kai Zhang
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
| | - Jianguo Zhang
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, 100070, China.
| | - Anchao Yang
- Department of Functional Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, 100070, China.
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Bex A, Bex V, Carpentier A, Mathon B. Therapeutic ultrasound: The future of epilepsy surgery? Rev Neurol (Paris) 2022; 178:1055-1065. [PMID: 35853776 DOI: 10.1016/j.neurol.2022.03.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/08/2022] [Accepted: 03/08/2022] [Indexed: 02/08/2023]
Abstract
Epilepsy is one of the leading neurological diseases in both adults and children and in spite of advancement in medical treatment, 20 to 30% of patients remain refractory to current medical treatment. Medically intractable epilepsy has a real impact on a patient's quality of life, neurologic morbidity and even mortality. Actual therapy options are an increase in drug dosage, radiosurgery, resective surgery and non-resective neuromodulatory treatments (deep brain stimulation, vagus nerve stimulation). Resective, thermoablative or neuromodulatory surgery in the treatment of epilepsy are invasive procedures, sometimes requiring long stay-in for the patients, risks of permanent neurological deficit, general anesthesia and other potential surgery-related complications such as a hemorrhage or an infection. Radiosurgical approaches can trigger radiation necrosis, brain oedema and transient worsening of epilepsy. With technology-driven developments and pursuit of minimally invasive neurosurgery, transcranial MR-guided focused ultrasound has become a valuable treatment for neurological diseases. In this critical review, we aim to give the reader a better understanding of current advancement for ultrasound in the treatment of epilepsy. By outlining the current understanding gained from both preclinical and clinical studies, this article explores the different mechanisms and potential applications (thermoablation, blood brain barrier disruption for drug delivery, neuromodulation and cortical stimulation) of high and low intensity ultrasound and compares the various possibilities available to patients with intractable epilepsy. Technical limitations of therapeutic ultrasound for epilepsy surgery are also detailed and discussed.
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Affiliation(s)
- A Bex
- Department of Neurosurgery, CHR Citadelle, Liege, Belgium; Department of Neurosurgery, Sorbonne University, AP-HP, La Pitié-Salpêtrière Hospital, 75013, Paris, France
| | - V Bex
- Department of Neurosurgery, CHR Citadelle, Liege, Belgium
| | - A Carpentier
- Department of Neurosurgery, Sorbonne University, AP-HP, La Pitié-Salpêtrière Hospital, 75013, Paris, France; Sorbonne University, GRC 23, Brain Machine Interface, AP-HP, La Pitié-Salpêtrière Hospital, 75013 Paris, France; Sorbonne University, Advanced Surgical Research Technology Lab, Paris, France
| | - B Mathon
- Department of Neurosurgery, Sorbonne University, AP-HP, La Pitié-Salpêtrière Hospital, 75013, Paris, France; Sorbonne University, GRC 23, Brain Machine Interface, AP-HP, La Pitié-Salpêtrière Hospital, 75013 Paris, France; Sorbonne University, Advanced Surgical Research Technology Lab, Paris, France; Paris Brain Institute, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne University, UMRS, 1127 Paris, France.
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Grossen A, Gavula T, Chrusciel D, Evans A, McNall-Knapp R, Taylor A, Fossey B, Brakefield M, Carter C, Schwartz N, Gross N, Jea A, Desai V. Multidisciplinary neurocutaneous syndrome clinics: a systematic review and institutional experience. Neurosurg Focus 2022; 52:E2. [DOI: 10.3171/2022.2.focus21776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Accepted: 02/23/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE
Neurocutaneous syndromes have variable multisystem involvement. The multiorgan involvement, potential pathologies, and various treatment options necessitate collaboration and open discussion to ensure optimal treatment in any given patient. These disorders provide quintessential examples of chronic medical conditions that require a lifelong, multidisciplinary approach. The objectives of this study were to 1) perform a systematic review, thoroughly assessing different multidisciplinary clinic layouts utilized in centers worldwide; and 2) characterize an institutional experience with the management of these conditions, focusing on the patient demographics, clinical presentation, complications, and therapeutic strategies seen in a patient population.
METHODS
A systematic review of studies involving multidisciplinary clinics and their reported structure was performed according to PRISMA guidelines using the PubMed database. Then a retrospective chart review of patients enrolled in the Oklahoma Children’s Hospital Neurocutaneous Syndromes Clinic was conducted.
RESULTS
A search of the PubMed database yielded 251 unique results. Of these, 15 papers were included in the analysis, which identified 16 clinics that treated more than 2000 patients worldwide. The majority of these clinics treated patients with neurofibromatosis (13/16). The remaining clinics treated patients with von Hippel–Lindau syndrome (n = 1), tuberous sclerosis complex (n = 1), and multiple neurocutaneous syndromes (n = 1). The most commonly represented subspecialties in these clinics were genetics (15/16) and neurology (13/16). Five clinics (31%) solely saw pediatric patients, 10 clinics saw a combination of children and adults, and the final clinic had separate pediatric and adult clinics. The retrospective chart review of the Neurocutaneous Syndromes Clinic demonstrated that 164 patients were enrolled and seen in the clinic from April 2013 to December 2021. Diagnoses were made based on clinical findings or results of genetic testing; 115 (70%) had neurofibromatosis type 1, 9 (5.5%) had neurofibromatosis type 2, 35 (21%) had tuberous sclerosis complex, 2 (1%) had von Hippel–Lindau syndrome, 2 (1%) had Gorlin syndrome, and the remaining patient (0.6%) had Aarskog-Scott syndrome. Patient demographics, clinical presentation, complications, and therapeutic strategies are also discussed.
CONCLUSIONS
To the best of the authors’ knowledge, this is the first detailed description of a comprehensive pediatric neurocutaneous clinic in the US that serves patients with multiple syndromes. There is currently heterogeneity between described multidisciplinary clinic structures and practices. More detailed accounts of clinic compositions and practices along with patient data and outcomes are needed in order to establish the most comprehensive and efficient multidisciplinary approach for neurocutaneous syndromes.
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Affiliation(s)
- Audrey Grossen
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Pediatric Neurosurgery, Oklahoma Children’s Hospital, Oklahoma City, Oklahoma
| | - Theresa Gavula
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Deepti Chrusciel
- Department of Pediatric Neurology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; and
| | - Alexander Evans
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Pediatric Neurosurgery, Oklahoma Children’s Hospital, Oklahoma City, Oklahoma
| | - Rene McNall-Knapp
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Ashley Taylor
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Benay Fossey
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Margaret Brakefield
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Carrick Carter
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Nadine Schwartz
- Department of Pediatric Neurology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; and
| | - Naina Gross
- Department of Pediatric Neurosurgery, Saint Francis Hospital, Tulsa, Oklahoma
| | - Andrew Jea
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Pediatric Neurosurgery, Oklahoma Children’s Hospital, Oklahoma City, Oklahoma
| | - Virendra Desai
- Department of Neurosurgery, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
- Department of Pediatric Neurosurgery, Oklahoma Children’s Hospital, Oklahoma City, Oklahoma
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Li Y, Xu S, Wang Y, Duan Y, Jia Q, Xie J, Yang X, Wang Y, Dai Y, Yang G, Yuan M, Wu X, Song Y, Wang M, Chen H, Wang Y, Cai X, Pei W. Wireless Closed-Loop Optical Regulation System for Seizure Detection and Suppression In Vivo. FRONTIERS IN NANOTECHNOLOGY 2022. [DOI: 10.3389/fnano.2022.829751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
There are approximately 50 million people with epilepsy worldwide, even about 25% of whom cannot be effectively controlled by drugs or surgical treatment. A wireless closed-loop system for epilepsy detection and suppression is proposed in this study. The system is composed of an implantable optrode, wireless recording, wireless energy supply, and a control module. The system can monitor brain electrical activity in real time. When seizures are recognized, the optrode will be turned on. The preset photosensitive caged compounds are activated to inhibit the seizure. When seizures are inhibited or end, the optrode is turned off. The method demonstrates a practical wireless closed-loop epilepsy therapy system.
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Kuzan-Fischer CM, Parker WE, Schwartz TH, Hoffman CE. Challenges of Epilepsy Surgery. World Neurosurg 2020; 139:762-774. [PMID: 32689697 DOI: 10.1016/j.wneu.2020.03.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 03/02/2020] [Indexed: 12/22/2022]
Abstract
Though frequently effective in the management of medically refractory seizures, epilepsy surgery presents numerous challenges. Selection of the appropriate candidate patients who are likely to benefit from surgery is critical to achieving seizure freedom and avoiding neurocognitive morbidity. Identifying the seizure focus and mapping epileptogenic networks involves an interdisciplinary team dedicated to formulating a safe and effective surgical plan. Various strategies can be employed either to eliminate the epileptic focus or to modulate network activity, including resection of the focus with open surgery or laser interstitial thermal therapy; modulation of epileptogenic firing patterns with responsive neurostimulation, deep brain stimulation, or vagus nerve stimulation; or non-invasive disconnection of epileptic circuits with focused ultrasound, which is also discussed in greater detail in the subsequent chapter in our series. We review several challenges of epilepsy surgery that must be thoughtfully addressed in order to ensure its success.
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Affiliation(s)
- Claudia M Kuzan-Fischer
- Department of Neurological Surgery, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York, USA
| | - Whitney E Parker
- Department of Neurological Surgery, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York, USA
| | - Theodore H Schwartz
- Department of Neurological Surgery, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York, USA
| | - Caitlin E Hoffman
- Department of Neurological Surgery, Weill Cornell Medical College, NewYork-Presbyterian Hospital, New York, New York, USA.
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