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Epilepsy Surgery

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https://www.readbyqxmd.com/read/29050067/-neuropathologic-findings-in-intractable-epilepsy-a-clinicopathologic-analysis-of-822-cases
#1
Z J Duan, K Yao, J Zhou, L Li, F Zhai, C Q Liu, Z Ma, Y Bian, G M Luan, X L Qi
Objective: To investigate the clinicopathologic characteristics of intractable epilepsy. Methods: Based on the classification criteria proposed by the International League Against Epilepsy (ILAE), a retrospective analysis of the pathological characteristics was done in 822 patients who underwent epilepsy surgery in Sanbo Brain Hospital, Capital Medical University, from June 2008 to December 2012. Results: The mean age of epilepsy onset was 9.9 years, mean duration of epilepsy was 11.9 years. Complex partial seizures were the main presenting features...
October 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29049181/recurrent-multiple-organ-involvement-of-disseminated-alveolar-echinococcosis-in-3-patients-case-report
#2
Leilei Xu, Sikandaer Siyiti, Xinghua Song, Hao Wen, Liwen Ding, Akbar Yunus, Zheng Tian, Chong Wang, Jiangtao Chen
RATIONALE: Alveolar echinococcosis (AE) is a rare but highly malignant form of echinococcosis caused by Echinococcus multilocularis. There have been very few reports on multiple-organ AE, especially AE in bones. Here we report 3 rare cases of disseminated multiple-organ AE from western China and its neighboring areas. PATIENT CONCERNS: Patient 1 had back and left hip pain, headache, and weakness in left lower limb, often with minor epilepsy and fluctuation of blood pressure...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29046472/-surgical-treatment-of-a-giant-olfactory-groove-schwannoma-a-case-report
#3
Takashi Fujii, Naoki Otani, Kazuma Doi, Masataka Miyama, Yohei Otsuka, Takashi Matsumoto, Toru Yoshiura, Satoru Takeuchi, Satoshi Tomura, Arata Tomiyama, Terushige Toyooka, Kojiro Wada, Kentaro Mori
Schwannomas originating from the olfactory nerve are extremely rare because the olfactory nerve does not normally contain Schwann cells. We describe a case of a giant schwannoma of the olfactory groove. A 73-year-old woman presented with anosmia persisting for 10 months. Head computed tomography(CT)for head trauma at another hospital demonstrated a tumor lesion located in the left frontal lobe and paranasal sinus. She had never suffered epilepsy, and past medical history and family history identified no indicators...
October 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/29045978/-clinicopathologic-features-of-infant-dysembryoplastic-neuroepithelial-tumor-a-case-report-and-literature-review
#4
H Wang, J T Ye, H X Yao, D Li, Y Dong
Dysembryoplastic neuroepithelial tumor (DNT) has traditionally been viewed as rare benign tumors that present with seizure widely considered curable with surgery alone. Most DNTs occur in childhood and young adults. However, rare reported cases occur in infants. This paper reported an infant case of DNT and its diagnosis, differential diagnosis, treatment, molecular features and prognosis based on the review of current literatures. The age onset of this patient was only 11 months old. The clinical manifestations were partial seizures and the imaging data untypical; CT and MRI were all supportive of astrocytoma...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045564/critical-language-areas-show-increased-functional-connectivity-in-human-cortex
#5
John D Rolston, Edward F Chang
Electrocortical stimulation (ECS) mapping is routinely used to identify critical language sites before resective neurosurgery. The precise locations of these sites are highly variable across patients, occurring in the frontal, temporal, and parietal lobes-it is this variability that necessitates individual patient mapping. But why these particular anatomical sites are so privileged in each patient is unknown. We hypothesized that critical language sites have greater functional connectivity with nearby cortex than sites without critical functions, since they serve as central nodes within the language network...
October 17, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29042523/-current-status-of-epilepsy-surgery-in-adults
#6
Shin-Ichiro Osawa, Masaki Iwasaki, Teiji Tominaga
Epilepsy surgery is an effective way to control seizures in patients with refractory epilepsy, even in patients in whom drug therapy has not resulted in adequate seizure control. Many studies support the efficacy and safety of resective and non-resective surgeries for the treatment of refractory epilepsy in appropriately selected individuals. However, it is sometimes argued that epilepsy surgery is underutilized despite the evidence and guidelines supporting its use. Among the causes cited for underutilization of this treatment are numerous barriers to epilepsy surgery...
October 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29040828/neuropsychological-functioning-and-brain-energetics-of-drug-resistant-mesial-temporal-lobe-epilepsy-patients
#7
Camila Moreira Osório, Alexandra Latini, Rodrigo Bainy Leal, Maria Emília Rodrigues de Oliveira Thais, Helena Dresch Vascouto, Aline Pertile Remor, Mark William Lopes, Marcelo Neves Linhares, Juliana Ben, Roberta de Paula Martins, Rui Daniel Prediger, Alexandre Ademar Hoeller, Hans Joachim Markowitsch, Peter Wolf, Kátia Lin, Roger Walz
Interictal hypometabolism is commonly measured by 18-fluoro-deoxyglucose Positron Emission Tomography (FDG-PET) in the temporal lobe of patients with mesial temporal lobe epilepsy (MTLE-HS). Left temporal lobe interictal FDG-PET hypometabolism has been associated with verbal memory impairment, while right temporal lobe FDG-PET hypometabolism is associated with nonverbal memory impairment. The biochemical mechanisms involved in these findings remain unknown. In comparison to healthy controls (n=21), surgically treated patients with MTLE-HS (n=32, left side=17) had significant lower scores in the Rey Auditory Verbal Learning Test (RAVLT retention and delayed), Logical Memory II (LMII), Boston Naming test (BNT), Letter Fluency and Category Fluency...
October 12, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29039074/the-usefulness-of-stereo-electroencephalography-seeg-in-the-surgical-management-of-focal-epilepsy-associated-with-hidden-temporal-pole-encephalocele-a-case-report-and-literature-review
#8
João Paulo Sant Ana Santos de Souza, Jeff Mullin, Connor Wathen, Juan Bulacio, Patrick Chauvel, Lara Jehi, Jorge Gonzalez-Martinez
The authors report a case of 18-year-old woman with partial complex seizures compatible with temporal epilepsy by semiology. Due to medical refractoriness, she was referred to pre-surgical evaluation. Initially, MRI showed no significant structural abnormality and superficial scalp EEG demonstrated epileptiform activity in the frontotemporal areas. Due to the lack of clear MRI abnormalities and the potential involvement of dominant mesial temporal structures by seizure semiology and non-invasive data, extra-operative invasive evaluation using stereo-electroencephalography (SEEG) methodology was indicated...
October 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29034166/post-lobotomy-epilepsy-illustrated-by-the-story-of-ellinor-hamsun-the-daughter-of-the-famous-norwegian-author-knut-hamsun
#9
Mia Tuft, Karl O Nakken
In Scandinavia, at least 11.500 people were lobotomized in the period 1939-1983. Beside grave personality changes, the surgery caused epilepsy in 10-35% of the patients. Moreover, many died due to perioperative bleedings, convulsive status epilepticus or SUDEP. Most of the stories of these people are anonymous and their post-lobotomy lives are scarcely documented. If it was not for the fact that Ellinor Hamsun (1916-1987) was the daughter of the famous Nobel Prize winning Norwegian author Knut Hamsun, her lobotomy story and the subsequent iatrogenic epilepsy would probably have remained unknown...
2017: Epilepsy & Behavior Case Reports
https://www.readbyqxmd.com/read/29034162/eeg-source-connectivity-to-localize-the-seizure-onset-zone-in-patients-with-drug-resistant-epilepsy
#10
Willeke Staljanssens, Gregor Strobbe, Roel Van Holen, Vincent Keereman, Stefanie Gadeyne, Evelien Carrette, Alfred Meurs, Francesca Pittau, Shahan Momjian, Margitta Seeck, Paul Boon, Stefaan Vandenberghe, Serge Vulliemoz, Kristl Vonck, Pieter van Mierlo
Electrical source imaging (ESI) from interictal scalp EEG is increasingly validated and used as a valuable tool in the presurgical evaluation of epilepsy as a reflection of the irritative zone. ESI of ictal scalp EEG to localize the seizure onset zone (SOZ) remains challenging. We investigated the value of an approach for ictal imaging using ESI and functional connectivity analysis (FC). Ictal scalp EEG from 111 seizures in 27 patients who had Engel class I outcome at least 1 year following resective surgery was analyzed...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29032016/neuropsychological-outcomes-following-paediatric-temporal-lobe-surgery-for-epilepsies-evidence-from-a-systematic-review
#11
REVIEW
Alice E Flint, Mitch Waterman, Grace Bowmer, Gayatri Vadlamani, Paul Chumas, Matthew C H J Morrall
OBJECTIVE: The systematic review aimed to assess the neuropsychological outcomes of temporal lobe resections for epilepsy in children. Additional objectives included determining whether earlier age at surgery leads to better neuropsychological outcomes; the relationships between and predictors of these outcomes. METHODS: Using advanced search terms, a systematic review of electronic databases was conducted, comprising MEDLINE, Embase, PsycINFO, Global Health, Web of Science and CINAHL...
September 19, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29031866/connectivity-changes-after-laser-ablation-resting-state-fmri
#12
Varina L Boerwinkle, Aditya Vedantam, Sandi Lam, Angus A Wilfong, Daniel J Curry
Resting-state functional magnetic resonance imaging (rsfMRI) is emerging as a useful tool in the multimodal assessment of patients with epilepsy. In pediatric patients who cannot perform task-based fMRI, rsfMRI may present an adjunct and alternative. Although changes in brain activation during task-based fMRI have been described after surgery for epilepsy, there is limited data on the role of postoperative rsfMRI. In this short review, we discuss the role of postoperative rsfMRI after laser ablation of seizure foci...
September 28, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29031865/a-neuropsychologist-s-view-outcome-after-rf-ablation-for-mtle
#13
REVIEW
Lenka Krámská, Jiří Lukavský, Zdeněk Vojtěch
Concern about postoperative worsening of cognitive functions after temporal lobe epilepsy surgery is an important issue. In this article we review our data on neuropsychological outcome after radiofrequency (RF) ablation of amygdalohippocampal complex (AHC). On a group level we found initial improvement in intelligence domains and unchanged memory scores one year after the surgery. During longitudinal follow-up, we found improvement in both intellectual and memory domains. This improvement was most pronounced up to two years after surgery...
October 6, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29031542/complications-and-30-day-readmission-rates-after-craniotomy-craniectomy-a-single-institutional-study-of-243-consecutive-patients
#14
Aladine A Elsamadicy, Amanda Sergesketter, Owoicho Adogwa, Michael Ongele, Oren N Gottfried
Early hospital readmission has become a proxy for quality of care and contributes significantly to high health care costs in the United States, with more than $20 billion health care dollars are spent on 30-day readmission annually. Cranial neurosurgical procedures (i.e., craniotomy, craniectomy) are associated with high readmission rates; however, studies examining readmission after cranial procedures are limited and relatively unknown. The aim of this study is to identify the drivers of 30-day unplanned readmission in consecutive patients undergoing craniotomies and craniectomies...
October 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29029800/surgical-treatment-of-neuronal-glial-tumors-of-mesial-basal-part-of-temporal-lobe-long-term-outcome-and-control-of-epilepsy-in-pediatric-patients
#15
Paweł Daszkiewicz, Paweł Kowalczyk, Marcin Roszkowski
BACKGROUND: Neuronal-glial tumors (ganglioglioma and dysembryoplastic neuroepithelial tumor) are a frequent cause of focal, drug-resistant and epilepsy in children and young adults, that is amenable for surgical treatment. AIM OF PAPER: Assessment of late outcome of surgical treatment and degree of seizure control, as well as prognostic significance of selected clinical factors. MATERIAL AND METHOD: 52 Pediatric patients presenting with epilepsy, lesion of mesio-basal temporal lobe and histologically verified neuronal-glial tumor treated at our facility since 2000-2011...
April 19, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29029236/first-in-human-experience-with-complete-integration-of-neuromodulation-device-within-a-customized-cranial-implant
#16
Chad R Gordon, Gabriel F Santiago, Judy Huang, Gregory K Bergey, Shuya Liu, Mehran Armand, Henry Brem, William S Anderson
BACKGROUND: Neuromodulation devices have the potential to transform modern day treatments for patients with medicine-resistant neurological disease. For instance, the NeuroPace System (NeuroPace Inc, Mountain View, California) is a Food and Drug Administration (FDA)-approved device developed for closed-loop direct brain neurostimulation in the setting of drug-resistant focal epilepsy. However, current methods require placement either above or below the skull in nonanatomic locations. This type of positioning has several drawbacks including visible deformities and scalp pressure from underneath leading to eventual wound healing difficulties, micromotion of hardware with infection, and extrusion leading to premature explantation...
October 6, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29027866/magnetic-resonance-imaging-guided-laser-interstitial-thermal-therapy-as-treatment-for-intractable-insular-epilepsy-in-children
#17
M Scott Perry, David J Donahue, Saleem I Malik, Cynthia G Keator, Angel Hernandez, Rohit K Reddy, Freedom F Perkins, Mark R Lee, Dave F Clarke
OBJECTIVE Seizure onset within the insula is increasingly recognized as a cause of intractable epilepsy. Surgery within the insula is difficult, with considerable risks, given the rich vascular supply and location near critical cortex. MRI-guided laser interstitial thermal therapy (LiTT) provides an attractive treatment option for insular epilepsy, allowing direct ablation of abnormal tissue while sparing nearby normal cortex. Herein, the authors describe their experience using this technique in a large cohort of children undergoing treatment of intractable localization-related epilepsy of insular onset...
October 13, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29027858/role-of-the-temporal-pole-in-temporal-lobe-epilepsy-seizure-networks-an-intracranial-electrode-investigation
#18
Taylor J Abel, Royce W Woodroffe, Kirill V Nourski, Toshio Moritani, Aristides A Capizzano, Patricia Kirby, Hiroto Kawasaki, Matthew Howard, Mary Ann Werz
OBJECTIVE A convergence of clinical research suggests that the temporal pole (TP) plays an important and potentially underappreciated role in the genesis and propagation of seizures in temporal lobe epilepsy (TLE). Understanding its role is becoming increasingly important because selective resections for medically intractable TLE spare temporopolar cortex (TPC). The purpose of this study was to characterize the role of the TPC in TLE after using dense electrocorticography (ECoG) recordings in patients undergoing invasive monitoring for medically intractable TLE...
October 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29027855/mesial-temporal-lobe-epilepsy-long-term-seizure-outcome-of-patients-primarily-treated-with-transsylvian-selective-amygdalohippocampectomy
#19
Christian Dorfer, Thomas Czech, Susanne Aull-Watschinger, Christoph Baumgartner, Rebekka Jung, Gregor Kasprian, Klaus Novak, Susanne Pirker, Birgit Seidl, Harald Stefanits, Karin Trimmel, Ekaterina Pataraia
OBJECTIVE The aim of this study was to present long-term seizure outcome data in a consecutive series of patients with refractory mesial temporal lobe epilepsy primarily treated with transsylvian selective amygdalohippocampectomy (SAHE). METHODS The authors retrospectively analyzed prospectively collected data for all patients who had undergone resective surgery for medically refractory epilepsy at their institution between July 1994 and December 2014. Seizure outcome was assessed according to the International League Against Epilepsy (ILAE) and the Engel classifications...
October 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29026310/laser-interstitial-thermal-therapy-for-the-treatment-of-epilepsy-evidence-to-date
#20
REVIEW
Navika D Shukla, Allen L Ho, Arjun V Pendharkar, Eric S Sussman, Casey H Halpern
Medically intractable epilepsy is associated with increased morbidity and mortality. For those with focal epilepsy and correlated electrophysiological or radiographic features, open surgical resection can achieve high rates of seizure control, but can be associated with neurologic deficits and cognitive effects. Recent innovations have allowed for more minimally invasive methods of surgical seizure control such as magnetic resonance-guided laser interstitial therapy (MRgLITT). MRgLITT achieves the goal of ablating seizure foci while preserving neuropsycho-logical function and offering real-time feedback and monitoring of tissue ablation...
2017: Neuropsychiatric Disease and Treatment
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