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Epilepsy Surgery

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https://www.readbyqxmd.com/read/28324881/optic-radiation-tractography-and-visual-field-deficits-in-laser-interstitial-thermal-therapy-for-amygdalohippocampectomy-in-patients-with-mesial-temporal-lobe-epilepsy
#1
Dali Yin, John A Thompson, Cornelia Drees, Steven G Ojemann, Lidia Nagae, Victoria S Pelak, Aviva Abosch
BACKGROUND/AIMS: Laser interstitial thermal therapy (LITT) has become an alternative to open-resective surgery for refractory mesial temporal lobe epilepsy (MTLE). Occurrence of visual field defects (VFDs) following open surgery for MTLE is reported at 52-100%. We examined the rate of VFDs following LITT for amygdalohippocampectomy (AHE) and correlated the occurrence of VFDs with damage to the optic radiations, assessed by diffusion tensor tractography (DTI). METHODS: We performed a retrospective analysis of 5 patients who underwent LITT-AHE for medically refractory MTLE...
March 22, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28324680/somatic-complications-of-epilepsy-surgery-over-25-years-at-a-single-center
#2
Inuka K Gooneratne, Shahidul Mannan, Jane de Tisi, Juan C Gonzalez, Andrew W McEvoy, Anna Miserocchi, Beate Diehl, Tim Wehner, Gail S Bell, Josemir W Sander, John S Duncan
INTRODUCTION: Epilepsy surgery is an effective treatment for refractory focal epilepsy. Risks of surgery need to be considered when advising individuals of treatment options. We describe the frequency and nature of physical adverse events associated with epilepsy surgery in a single center. MATERIAL AND METHODS: We reviewed the prospectively maintained records of adults who underwent epilepsy surgery at our center between 1990 and 2014 to identify peri/postsurgical adverse events...
March 1, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28318128/proton-mr-spectroscopy-in-patients-with-nonlesional-insular-cortex-epilepsy-confirmed-by-invasive-eeg-recordings
#3
Yasmine Aitouche, Steve A Gibbs, Guillaume Gilbert, Olivier Boucher, Alain Bouthillier, Dang Khoa Nguyen
BACKGROUND AND PURPOSE: Recent studies suggest that a nonnegligible proportion of drug-resistant epilepsy surgery candidates have an epileptogenic zone that involves the insula. We aimed to examine the value of proton magnetic resonance spectroscopy ((1) H-MRS) in identifying patients with insular cortex epilepsy. METHODS: Patients with possible nonlesional drug-refractory insular epilepsy underwent a voxel-based (1) H-MRS study prior to an intracranial electroencephalographic (EEG) study...
March 20, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28304232/a-systematic-evaluation-of-intraoperative-white-matter-tract-shift-in-pediatric-epilepsy-surgery-using-high-field-mri-and-probabilistic-high-angular-resolution-diffusion-imaging-tractography
#4
Joseph Yuan-Mou Yang, Richard Beare, Marc L Seal, A Simon Harvey, Vicki A Anderson, Wirginia J Maixner
OBJECTIVE Characterization of intraoperative white matter tract (WMT) shift has the potential to compensate for neuronavigation inaccuracies using preoperative brain imaging. This study aimed to quantify and characterize intraoperative WMT shift from the global hemispheric to the regional tract-based scale and to investigate the impact of intraoperative factors (IOFs). METHODS High angular resolution diffusion imaging (HARDI) diffusion-weighted data were acquired over 5 consecutive perioperative time points (MR1 to MR5) in 16 epilepsy patients (8 male; mean age 9...
March 17, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28303525/failed-epilepsy-surgery-is-this-the-end
#5
REVIEW
Riëm El Tahry, Irene Zhong Wang
Resective epilepsy surgery can lead to sustained seizure control in 70-80% of patients evaluated for epilepsy surgery, indicating that up to 30% of patients still have recurrent seizures after surgery. Definitions of failed epilepsy surgery vary amongst studies. This review focuses on seizure outcome predictors after reoperation, possible mechanisms of failure and best management for this difficult patient population.
March 16, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28302193/-surgery-for-posterior-quadrant-epilepsy
#6
Shu-Li Liang
No abstract text is available yet for this article.
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28302192/-surgery-for-pediatric-intractable-epilepsy-due-to-posterior-quadrantic-cortical-dysplasia
#7
Qing-Zhu Liu, Li-Xin Cai, Xiao-Yan Liu, Yu-Wu Jiang, Shuang Wang, Tao-Yun Ji, Wen Wang, Wei-Ke Cheng, Ruo-Fan Wang
OBJECTIVE: To investigate the clinical features and surgical strategy for pediatric intractable epilepsy due to posterior quadrantic cortical dysplasia and to assess the surgical outcomes. METHODS: The clinical features and preoperative evaluation results of 14 children with intractable epilepsy due to posterior quadrantic cortical dysplasia were retrospectively analyzed. The localization values of video-electroencephalography and intraoperative monitoring and the indications, advantages and disadvantages of temporoparietooccipital disconnection were evaluated...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28298843/ictal-asystole-a-rare-cardiac-manifestation-of-temporal-lobe-epilepsy-treated-with-epilepsy-surgery
#8
Shreyas Hasmukh Ravat, Amit Ashok Bhatti, Mansi Viraj Shah, Dattatraya P Muzumdar, Sangeeta Hasmukh Ravat
Seizures are associated with fascinatingly varied cardiac and autonomic manifestations, of which ictal tachycardia is common, and asystole and bradycardia are rare. Ictal asystole (IA), an often unsought autonomic phenomenon, occurs most commonly with temporal followed by frontal lobe seizures. Prolonged IA may lead to cerebral anoxic ischemia. As the mysteries of sudden unexplained death in epilepsy are unraveled, it is quite possible that the key to it lays within these seizure-induced cardiac rhythm abnormalities...
January 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28291425/long-term-outcomes-of-epilepsy-surgery-in-85-pediatric-patients-followed-up-for-over-10-years-a-retrospective-survey
#9
Hiroshi Hosoyama, Kazumi Matsuda, Tadahiro Mihara, Naotaka Usui, Koichi Baba, Yushi Inoue, Takayasu Tottori, Toshiaki Otsubo, Yumi Kashida, Koji Iida, Hirofumi Hirano, Ryosuke Hanaya, Kazunori Arita
OBJECTIVE The aim of this study was to investigate the treatment outcomes and social engagement of patients who had undergone pediatric epilepsy surgery more than 10 years earlier. METHODS Between 1983 and 2005, 110 patients younger than 16 years underwent epilepsy surgery at the National Epilepsy Center, Shizuoka Institute of Epilepsy and Neurological Disorders. The authors sent a questionnaire to 103 patients who had undergone follow-up for more than 10 years after surgery; 85 patients (82.5%) responded. The survey contained 4 categories: seizure outcome, use of antiepileptic drugs, social participation, and general satisfaction with the surgical treatment (resection of the epileptic focus, including 4 hemispherectomies)...
March 3, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28287070/coregistration-of-multimodal-imaging-is-associated-with-favourable-two-year-seizure-outcome-after-paediatric-epilepsy-surgery
#10
Michael Scott Perry, Laurie Bailey, Daniel Freedman, David Donahue, Saleem Malik, Hayden Head, Cynthia Keator, Angel Hernandez
Multimodal coregistration uses multiple image datasets coregistered to an anatomical reference (i.e. MRI), allowing multiple studies to be viewed together. Commonly used in intractable epilepsy evaluation and generally accepted to improve localization of the epileptogenic zone, data showing that coregistration improves outcome is lacking. We compared seizure freedom following epilepsy surgery in paediatric patients, evaluated before and after the use of coregistration protocols at our centre, to determine whether this correlated with a change in outcome...
March 8, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28287068/temporal-lobe-epilepsy-things-are-not-always-what-they-seem
#11
Irena Doležalová, Milan Brázdil, Philippe Kahane
Temporal lobe epilepsy is the most frequent form of drug-resistant epilepsy referred to epilepsy surgery centres. The vast majority of lesional cases can be operated on without invasive investigation which is often not the case for non-lesional cases. Invasive investigation in non-lesional cases, however, may lead to unexpected results, as illustrated in the following case report. [Published with video sequence on www.epilepticdisorders.com].
March 8, 2017: Epileptic Disorders: International Epilepsy Journal with Videotape
https://www.readbyqxmd.com/read/28281499/new-onset-focal-epilepsy-in-adults-antiepileptic-drug-treatment
#12
J M K Murthy
Focal epilepsy, non-syndromic, is by far the most prevalent epilepsy in adults. Antiepileptic drug (AED) prescription in patients with new-onset focal epilepsy is often challenging. The factors that determine AED of choice depends both on the patient-specific and AED-specific variables. Monotherapy should the initial strategy. Failure to monotherapy can be due to lack of efficacy, severe adverse events, or a hypersensitivity reaction. In such patients, the next strategy should be alternate monotherapy trials...
2017: Neurology India
https://www.readbyqxmd.com/read/28281497/management-of-brain-tumor-related-epilepsy
#13
REVIEW
Neil V Klinger, Aashit K Shah, Sandeep Mittal
Seizures are common in both primary and metastatic brain tumors, although the rate of seizures differ significantly between the different types of neoplasms. Patients with brain tumor-associated seizures need treatment with antiepileptic drugs (AEDs) to prevent recurrence, whereas strong clinical data exists to discourage routine prophylaxis in patients who have not had seizures. The newer AEDs, such as levetiracetam, lamotrigine, lacosamide, topiramate, or pregabalin, are preferable for various reasons, primarily related to the side-effect profile and limited interactions with other drugs...
2017: Neurology India
https://www.readbyqxmd.com/read/28281496/epidemiology-of-epilepsy-surgery-in-india
#14
REVIEW
Chaturbhuj Rathore, Kurupath Radhakrishnan
Epilepsy surgery in India has seen remarkable advances over the last twenty years. Presently 39 centers are undertaking epilepsy surgeries in India on a regular basis. Out of these, 18 centers have become operational in the last five years. Many of them are well equipped with high end technologies and have expertise to undertake all kinds of epilepsy surgeries. Till July 31st, 2016, approximately 7143 epilepsy surgeries have been performed in India. Presently, 734 epilepsy surgeries are carried out in India every year representing an increase of approximately 58% over the last three and a half years as compared to the previous years...
2017: Neurology India
https://www.readbyqxmd.com/read/28281495/the-evolution-of-epilepsy-surgery
#15
REVIEW
C E Polkey
This review traces the evolution of epilepsy surgery from its early beginnings in the 20th century with the development of neurophysiology, and later the identification of pathology in surgical specimens, to the tremendous boost given by direct brain imaging in the late 20th century. This resulted in the sophisticated methods of presurgical investigation, surgical techniques, and postsurgery care available from the millennium. In parallel, functional surgery, which modifies the nervous system's behaviour, available throughout, has attained a greater place by the use of stimulation...
2017: Neurology India
https://www.readbyqxmd.com/read/28281494/role-of-magnetoencephalography-and-stereo-electroencephalography-in-the-presurgical-evaluation-in-patients-with-drug-resistant-epilepsy
#16
REVIEW
V Jayabal, Ashok Pillai, S Sinha, N Mariyappa, P Satishchandra, S Gopinath, Kurupath Radhakrishnan
In selected patients with drug-resistant focal epilepsies (DRFE), who otherwise are likely to be excluded from epilepsy surgery (ES) because of the absence of a magnetic resonance imaging (MRI)-demonstrable lesion or discordant anatomo-electro-clinical (AEC) data, magnetoencephalography (MEG) may help to generate an AEC hypothesis and stereo-electroencephalography (SEEG) may help to verify the hypothesis and proceed with ES. The sensitivity of MEG is much better in localizing the spiking zone in relation to lateral temporal and extratemporal cortical regions compared to the mesial temporal structures...
2017: Neurology India
https://www.readbyqxmd.com/read/28281493/use-of-resting-state-fmri-in-planning-epilepsy-surgery
#17
REVIEW
Sharon Chiang, Zulfi Haneef, John M Stern, Jerome Engel
Epileptic seizures result from abnormal neuronal excitability and synchronization, affecting 0.5-1% of the population worldwide. Although anti-seizure drugs are often effective, a significant number of patients with epilepsy continue to experience refractory seizures and are candidates for surgical resection. Whereas standard presurgical evaluation has relied on intracranial electroencephalography (icEEG) and direct cortical stimulation to identify epileptogenic tissue and areas of cortex for which resection would produce clinical deficits, the invasive nature and limited spatial extent of icEEG has led to the investigation of less invasive imaging modalities as adjunctive tools in the presurgical workup...
2017: Neurology India
https://www.readbyqxmd.com/read/28281490/evidence-based-guidelines-for-the-management-of-epilepsy
#18
REVIEW
Sanjay P Singh, Ram Sankaraneni, Arun R Antony
Approximately 50 million people live with epilepsy worldwide. The aim of this review is to present an overview of the current evidence and management recommendations for evaluation and treatment of patients with epilepsy. Systematic literature reviews were undertaken. A review of contemporary published evidence-based guidelines (American Academy of Neurology, American Epilepsy Society, and the Indian Epilepsy Society) and published peer reviewed scientific publications was done. The guideline is addressed to all clinicians who manage epilepsy patients...
2017: Neurology India
https://www.readbyqxmd.com/read/28281007/seizure-outcomes-of-temporal-lobe-epilepsy-surgery-in-patients-with-normal-mri-and-without-specific-histopathology
#19
Jugoslav Ivanovic, Pål G Larsson, Ylva Østby, John Hald, Bård K Krossnes, Jan G Fjeld, Are H Pripp, Kristin Å Alfstad, Arild Egge, Milo Stanisic
BACKGROUND: Seizure outcome following surgery in pharmacoresistant temporal lobe epilepsy patients with normal magnetic resonance imaging and normal or non-specific histopathology is not sufficiently presented in the literature. METHODS: In a retrospective design, we reviewed data of 263 patients who had undergone temporal lobe epilepsy surgery and identified 26 (9.9%) who met the inclusion criteria. Seizure outcomes were determined at 2-year follow-up. Potential predictors of Engel class I (satisfactory outcome) were identified by logistic regression analyses...
March 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28279892/thin-isotropic-flair-mr-images-at-1-5t-increase-the-yield-of-focal-cortical-dysplasia-transmantle-sign-detection-in-frontal-lobe-epilepsy
#20
Vasileios Kokkinos, Alexandros Kallifatidis, Eftychia Z Kapsalaki, Nikolaos Papanikolaou, Kyriakos Garganis
OBJECTIVE: The transmantle sign is a distinctive imaging marker of focal cortical dysplasia (FCD) type II in frontal lobe epilepsy (FLE), which is revealed predominantly by fluid-attenuation inversion recovery (FLAIR) sequences. Although the transmantle sign detection yield is high by routine imaging protocols for epilepsy at 3T, most centers around the world have access to 1.5T MR technology and FLE patients often receive negative imaging reports. This study investigates the optimization of transmantle detection yield at 1...
March 2, 2017: Epilepsy Research
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