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https://www.readbyqxmd.com/read/28320152/electrographic-patterns-in-patients-with-posterior-reversible-encephalopathy-syndrome-and-seizures
#1
Carlos Kamiya-Matsuoka, Sudhakar Tummala
INTRODUCTION: Posterior reversible encephalopathy syndrome (PRES) is a neurotoxic encephalopathic state associated with reversible cerebral vasogenic edema. Seizures are a common clinical presentation in PRES, however its electroencephalographic and radiologic pattern correlation is limited in this subset of patients. The aim of this study is to analyze the origin of electrographic dysfunction according to the radiologic pattern in patients with PRES and seizures. METHODS: We retrospectively identified 46 cancer patients who developed PRES and seizures at The University of Texas MD Anderson Cancer Center between January 2006 and June 2012...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28315958/brain-tumor-location-influences-the-onset-of-acute-psychiatric-adverse-events-of-levetiracetam-therapy-an-observational-study
#2
Vincenzo Belcastro, Laura Rosa Pisani, Silvio Bellocchi, Paolo Casiraghi, Gaetano Gorgone, Marco Mula, Francesco Pisani
To explore possible correlations among brain lesion location, development of psychiatric symptoms and the use of antiepileptic drugs (AEDs) in a population of patients with brain tumor and epilepsy. The medical records of 283 patients with various types of brain tumor (161 M/122 F, mean age 64.9 years) were analysed retrospectively. Patients with grade III and IV glioma, previous history of epileptic seizures and/or psychiatric disorders were excluded. Psychiatric symptoms occurring after initiation of AED therapy were considered as treatment emergent psychiatric adverse events (TE-PAEs) if they fulfilled the following conditions: (1) onset within 4 weeks after the beginning of AED therapy; (2) disappearance on drug discontinuation; (3) absence of any other identified possible concurrent cause...
March 18, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28281497/management-of-brain-tumor-related-epilepsy
#3
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/28281490/evidence-based-guidelines-for-the-management-of-epilepsy
#4
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/28248859/seizure-syndrome-as-a-first-manifestation-of-solitary-tumor-like-mass-lesion-of-pacns-two-case-reports
#5
De-Sheng Zhu, Xiao-Li Yang, Hui-Hui Lv, Chen-Guang Bai, Pang-Pan Yang, Ze-Zhi Li, Yong Hao, Ying Zhang, Yang-Tai Guan
RATIONALE: Primary angiitis of the central nervous system (PACNS) is an inflammatory disease involving cerebrovascular and parenchymal, and solitary tumor-like mass lesion of PACNS (TLML-PACNS) is frequently misdiagnosed as neoplastic or other inflammatory diseases. However, seizure syndrome as a first manifestation of TLML-PACNS has rarely reported before. PATIENT CONCERNS: Here, we report 2 cases of seizure syndrome, which was the first sign that presented prior to the diagnosis of TLML-PACNS by brain biopsy...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28237319/epilepsy-treatment-in-adults-and-adolescents-expert-opinion-2016
#6
REVIEW
Jerry J Shih, Julia B Whitlock, Nicole Chimato, Emily Vargas, Steven C Karceski, Ryan D Frank
INTRODUCTION: There are over twenty anti-seizure medications and anti-seizure devices available commercially in the United States. The multitude of treatment options for seizures can present a challenge to clinicians, especially those who are not subspecialists in the epilepsy field. Many clinical questions are not adequately answered in double-blind randomized controlled studies. In the presence of a knowledge gap, many clinicians consult a respected colleague with acknowledged expertise in the field...
February 22, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28202703/investigations-in-gabaa-receptor-antibody-associated-encephalitis
#7
Marianna Spatola, Mar Petit-Pedrol, Mateus Mistieri Simabukuro, Thaís Armangue, Fernanda J Castro, Maria I Barcelo Artigues, Maria R Julià Benique, Leslie Benson, Mark Gorman, Ana Felipe, Ruben L Caparó Oblitas, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To report the clinical features, comorbidities, receptor subunit targets, and outcome in patients with anti-GABAA receptor (GABAAR) encephalitis. METHODS: Clinical study of 26 patients, including 17 new (April 2013-January 2016) and 9 previously reported patients. Antibodies to α1, β3, and γ2 subunits of the GABAAR were determined using reported techniques. RESULTS: Patients' median age was 40.5 years (interquartile range 48...
March 14, 2017: Neurology
https://www.readbyqxmd.com/read/28197553/the-role-of-sirt1-in-epileptogenesis
#8
Alicia M Hall, Gary P Brennan, Tiffany M Nguyen, Akanksha Singh-Taylor, Hyun-Seung Mun, Mary J Sargious, Tallie Z Baram
The mechanisms by which brain insults lead to subsequent epilepsy remain unclear. Insults, including trauma, stroke, tumors, infections, and long seizures [status epilepticus (SE)], create a neuronal state of increased metabolic demand or decreased energy supply. Neurons express molecules that monitor their metabolic state, including sirtuins (Sirts). Sirtuins deacetylate cytoplasmic proteins and nuclear histones, and their epigenetic modulation of the chromatin governs the expression of many genes, influencing neuronal properties...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28192116/prrt2-inhibits-the-proliferation-of-glioma-cells-by-modulating-unfolded-protein-response-pathway
#9
Guanghui Bi, Jingfeng Yan, Shuzhen Sun, Xinhua Qu
Accumulating studies reported mutations in the gene encoding the proline-rich transmembrane protein 2 (PRRT2) to be causative for several paroxysmal neurological disorders, including paroxysmal kinesigenic dyskinesia (PKD), PKD combined with infantile seizures (ICCA), and benign familial infantile seizures (BFIS). However, the impact of PRRT2 in tumorigenesis is not known. Based on a large-scale data analysis, we found that PRRT2 was down-regulated in glioma tumor tissues compared with normal brain tissue. Dysregulation of PRRT2 was not induced by mutation, copy number variation and epigenetic modification, but modulated by microRNA-30a-5p...
April 1, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28190444/management-of-neuro-oncologic-emergencies
#10
J T Jo, D Schiff
Patients with brain tumors and systemic malignancies are subject to diverse neurologic complications that require urgent evaluation and treatment. These neurologic conditions are commonly due to the tumor's direct effects on the nervous system, such as cerebral edema, increased intracranial pressure, seizures, spinal cord compression, and leptomeningeal metastases. In addition, neurologic complications can develop as a result of thrombocytopenia, coagulopathy, hyperviscosity syndromes, infection, immune-related disorders, and adverse effects of treatment...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28169952/hippocampal-infusion-of-lipopolysaccharide-induces-immune-responses-and-results-in-seizures-in-rats
#11
Yanxiang Zhang, Xuwen Sun, Yu Nai, Maowen Ba, Qiang Fu, Fei Wu
Recent studies suggest that epileptic seizures might be facilitated by immune reactions in the brain. However, it remains unclear whether inflammatory reactions could result in acute and chronic epileptic seizures in vivo. In the present study, we investigated whether a hippocampal infusion of lipopolysaccharide (LPS) can induce epileptic seizures in rats. We also aimed to elucidate the molecular mechanisms that underpin this phenomenon. Male Wistar rats received a 1.5 μl infusion of either LPS (5 µg/μl), normal saline, or kainate (KA) (0...
March 1, 2017: Neuroreport
https://www.readbyqxmd.com/read/28166219/identification-of-diverse-astrocyte-populations-and-their-malignant-analogs
#12
Chia-Ching John Lin, Kwanha Yu, Asante Hatcher, Teng-Wei Huang, Hyun Kyoung Lee, Jeffrey Carlson, Matthew C Weston, Fengju Chen, Yiqun Zhang, Wenyi Zhu, Carrie A Mohila, Nabil Ahmed, Akash J Patel, Benjamin R Arenkiel, Jeffrey L Noebels, Chad J Creighton, Benjamin Deneen
Astrocytes are the most abundant cell type in the brain, where they perform a wide array of functions, yet the nature of their cellular heterogeneity and how it oversees these diverse roles remains shrouded in mystery. Using an intersectional fluorescence-activated cell sorting-based strategy, we identified five distinct astrocyte subpopulations present across three brain regions that show extensive molecular diversity. Application of this molecular insight toward function revealed that these populations differentially support synaptogenesis between neurons...
March 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28128693/endoscopic-endonasal-versus-transcranial-approach-to-tuberculum-sellae-and-planum-sphenoidale-meningiomas-in-a-similar-cohort-of-patients
#13
Evan D Bander, Harminder Singh, Colin B Ogilvie, Ryan C Cusic, David J Pisapia, Apostolos John Tsiouris, Vijay K Anand, Theodore H Schwartz
OBJECTIVE Planum sphenoidale (PS) and tuberculum sellae (TS) meningiomas cause visual symptoms due to compression of the optic chiasm. The treatment of choice is surgical removal with the goal of improving vision and achieving complete tumor removal. Two options exist to remove these tumors: the transcranial approach (TCA) and the endonasal endoscopic approach (EEA). Significant controversy exists regarding which approach provides the best results and whether there is a subset of patients for whom an EEA may be more suitable...
January 27, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28123734/diagnostic-and-therapeutic-challenges-in-extragonadal-yolk-sac-tumor-with-hepatoid-differentiation-a-case-report
#14
Vanja Zeremski, Christian Mawrin, Thomas Fischer, Enrico Schalk
Yolk sac tumors (YSTs) are rare aggressive tumors, arising most commonly in the gonads and occurring mainly in young adults. We herein report a case of an extragonadal YST with hepatoid differentiation localized in the brain and lung. A 41-year old man presented to our hospital with a generalized seizure. A head computed tomography and magnetic resonance imaging examination revealed a large mass in the left occipital lobe with associated edema. Following complete resection, the histopathological examination revealed that the mass was a highly malignant epithelial tumor with a hepatoid pattern...
January 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28111355/epigenetics-in-epilepsy
#15
REVIEW
K Kobow, I Blümcke
Approximately 50 million people have epilepsy, making it the most common chronic and severe neurological disease worldwide, with increased risk of mortality and psychological and socioeconomic consequences impairing quality of life. More than 30% of patients with epilepsy have inadequate control of their seizures with drug therapy. Any structural brain lesion can provoke epilepsy. However, progression of seizure activity as well as the development of drug-resistance remains difficult to predict, irrespective of the underlying epileptogenic condition, i...
January 19, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28108639/prevalence-of-epilepsy-seizures-as-a-comorbidity-of-neurologic-disorders-in-nursing-homes
#16
Angela K Birnbaum, Ilo E Leppik, Kenneth Svensden, Lynn E Eberly
OBJECTIVE: To determine the prevalence of epilepsy/seizure (epi/sz) comorbid with other neurologic disorders in elderly nursing home residents and to examine demographic and regional variability and associations with clinical characteristics. METHODS: We studied 5 cross-sectional cohorts of all residents in any Medicare/Medicaid-certified nursing home in the United States on July 15 of each year from 2003 to 2007. Epi/sz was identified by ICD-9 codes (345.xx or 780...
February 21, 2017: Neurology
https://www.readbyqxmd.com/read/28087392/predictors-and-mechanisms-of-epilepsy-occurrence-in-cerebral-gliomas-what-to-look-for-in-clinicopathology
#17
Cheng Huang, Xiao-Sa Chi, Xin Hu, Ni Chen, Qiao Zhou, Dong Zhou, Jin-Mei Li
Gliomas, especially low-grade gliomas, are highly epileptogenic brain tumors. Histopathological information is valuable in evaluating the diagnosis and/or biologic behavior of various gliomas. Here we explored the clinical data and histopathological predictors of the occurrence of epilepsy in patients with gliomas. A retrospective study examined 310 consecutive patients who had undergone surgical treatment for gliomas in our institution from January 2013 to January 2015. Clinical data and pathological examination results were analyzed...
January 11, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28068234/radiation-dose-dependent-hippocampal-atrophy-detected-with-longitudinal-volumetric-magnetic-resonance-imaging
#18
Tyler M Seibert, Roshan Karunamuni, Hauke Bartsch, Samar Kaifi, Anitha Priya Krishnan, Yoseph Dalia, Jeffrey Burkeen, Vyacheslav Murzin, Vitali Moiseenko, Joshua Kuperman, Nathan S White, James B Brewer, Nikdokht Farid, Carrie R McDonald, Jona A Hattangadi-Gluth
PURPOSE: After radiation therapy (RT) to the brain, patients often experience memory impairment, which may be partially mediated by damage to the hippocampus. Hippocampal sparing in RT planning is the subject of recent and ongoing clinical trials. Calculating appropriate hippocampal dose constraints would be improved by efficient in vivo measurements of hippocampal damage. In this study we sought to determine whether brain RT was associated with dose-dependent hippocampal atrophy. METHODS AND MATERIALS: Hippocampal volume was measured with magnetic resonance imaging (MRI) in 52 patients who underwent fractionated, partial brain RT for primary brain tumors...
February 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28061403/berberine-ameliorates-intrahippocampal-kainate-induced-status-epilepticus-and-consequent-epileptogenic-process-in-the-rat-underlying-mechanisms
#19
Reza Sedaghat, Yosra Taab, Zahra Kiasalari, Siamak Afshin-Majd, Tourandokht Baluchnejadmojarad, Mehrdad Roghani
Status epilepticus (SE) is a life-threatening neurologic condition, instigating epileptogenesis to transform normal brain to an epileptic condition. SE is followed by spontaneous recurrent seizures (SRS) and final development of temporal lobe epilepsy (TLE) that is resistant to treatment. Neuroprotective strategies are increasingly put forward as a promising therapy to prevent and/or manage epileptic conditions. In this study, we investigated whether berberis alkaloid, i.e. berberine (BBR), could ameliorate intrahippocampal kainate-induced SE and its consequent epileptogenic process and to explore some underlying mechanisms...
March 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28059647/simulating-vasogenic-brain-edema-using-chronic-vegf-infusion
#20
Martin Piazza, Jeeva Munasinghe, Roger Murayi, Nancy Edwards, Blake Montgomery, Stuart Walbridge, Marsha Merrill, Prashant Chittiboina
OBJECTIVE To study peritumoral brain edema (PTBE), it is necessary to create a model that accurately simulates vasogenic brain edema (VBE) without introducing a complicated tumor environment. PTBE associated with brain tumors is predominantly a result of vascular endothelial growth factor (VEGF) secreted by brain tumors, and VEGF infusion alone can lead to histological blood-brain barrier (BBB) breakdown in the absence of tumor. VBE is intimately linked to BBB breakdown. The authors sought to establish a model for VBE with chronic infusion of VEGF that can be validated by serial in-vivo MRI and histological findings...
January 6, 2017: Journal of Neurosurgery
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