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Total 252 results found since Jan 2013.

Recurrent Stroke after Silent Brain Infarction in Patients with Primary Brain Tumors (S51.007)
Conclusions:The short-term risk of recurrent ischemic stroke in patients with PBTs was substantial and the risk was comparable whether the stroke was silent or symptomatic.Study Supported by: Babak Navi was supported by grants from the NINDS (K23NS091395) and the Florence Gould Endowment for Discovery in Stroke. Hooman Kamel was supported by grants from the NINDS (K23NS082367) and the Michael Goldberg Stroke Research Fund.Disclosure: Dr. Parikh has nothing to disclose. Dr. Burch has nothing to disclose. Dr. Kamel has received personal compensation for activities with Genentech as a speaker. Dr. Kamel has received personal ...
Source: Neurology - April 17, 2017 Category: Neurology Authors: Parikh, N., Burch, J., Kamel, H., DeAngelis, L., Navi, B. Tags: Cerebrovascular Disease and Interventional Neurology: Stroke Prevention and Translation Source Type: research

A stroke mimic; focal neurological deficits in benign hereditary chorea?
Conclusion This case highlights the difficulties in assessing patients with new focal neurological symptoms in the presence of known, pre existing, neurological disease. It also serves to highlight how often erroneously progressive weakness is mislabelled as a ‘stroke’. Neurologists working together with acute physicians in liaison posts in MAU, provides a unique opportunity to improve overall recognition of neurological disease, and for patients potentially provides a more timely diagnostic work–up and the opportunity for early treatment.
Source: Journal of Neurology, Neurosurgery and Psychiatry - October 9, 2013 Category: Neurosurgery Authors: Maw, K., Johnston, J., Rowntree, C., Kalhan, A. Tags: Immunology (including allergy), Headache (including migraine), Movement disorders (other than Parkinsons), Neurooncology, Pain (neurology), Stroke, CNS cancer, Neuropathology, Radiology, Surgical diagnostic tests, Surgical oncology Association of Britis Source Type: research

A Genetic Variant of miR-34a Contributes to Susceptibility of Ischemic Stroke Among Chinese Population
This study was supported by National Natural Science Foundation of China (Nos. 81560552, 81260234), Natural Science Foundation of Guangxi Zhuang Autonomous Region (CN) (2017JJA180826), Innovation Project of Guangxi Graduate Education (CN) (201601009) and Key Laboratory Open Project Fund of Guangxi Zhuang Autonomous Region (CN) (kfkt20160064). Conflict of Interest Statement The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Supplementary Material The Supplementary Material for this article can be fou...
Source: Frontiers in Physiology - April 23, 2019 Category: Physiology Source Type: research

Stroke Mimics and Chameleons from the Radiological Viewpoint of Glioma Diagnosis.
This study enrolled 214 patients who underwent tumor resection for suspected glioma. Clinical characteristics and radiological findings of the patients were compared between the masquerade findings group, which was further divided into two groups: the stroke chameleons and stroke mimics according to their final diagnosis, and the intelligible findings group.Stroke chameleons and stroke mimics were significantly higher in age and smaller in lesion size than the intelligible findings group. In the multivariate analysis, the predictive factor of the masquerade finding group was higher age and smaller size. Stroke mimics group...
Source: Neurologia Medico-Chirurgica - January 6, 2021 Category: Neurosurgery Tags: Neurol Med Chir (Tokyo) Source Type: research

'Moderate global aphasia': A generalized decline of language processing caused by glioma surgery but not stroke
Brain Lang. 2021 Dec 6;224:105057. doi: 10.1016/j.bandl.2021.105057. Online ahead of print.ABSTRACTUnlike stroke, neurosurgical removal of left-hemisphere gliomas acts upon a reorganized language network and involves brain areas rarely damaged by stroke. We addressed whether this causes the profiles of neurosurgery- and stroke-induced language impairments to be distinct. K-means clustering of language assessment data (neurosurgery cohort: N = 88, stroke cohort: N = 95) identified similar profiles in both cohorts. But critically, a cluster of individuals with specific phonological deficits was only evident in the stroke but...
Source: Brain and Language - December 9, 2021 Category: Neurology Authors: Andrey Zyryanov Ekaterina Stupina Elizaveta Gordeyeva Olga Buivolova Evdokiia Novozhilova Yulia Akinina Oleg Bronov Natalia Gronskaya Galina Gunenko Ekaterina Iskra Elena Ivanova Anton Kalinovskiy Evgenii Kliuev Dmitry Kopachev Elena Kremneva Oksana Kryuc Source Type: research

Systematic analysis of brain and skull ischemic injury expression profiles reveals associations of the tumor immune microenvironment and cell death with ischemic stroke
ConclusionThis systematic analysis not only helps in the understanding of the changes in the gene expression profiles of both the brain and skull with ischemic injury but also reveals the association of the tumor immune microenvironment and cell death with ischemic stroke.
Source: Frontiers in Immunology - December 20, 2022 Category: Allergy & Immunology Source Type: research

Early Transplantation of Human Cranial Bone-derived Mesenchymal Stem Cells Enhances Functional Recovery in Ischemic Stroke Model Rats.
Authors: Oshita J, Okazaki T, Mitsuhara T, Imura T, Nakagawa K, Otsuka T, Kurose T, Tamura T, Abiko M, Takeda M, Kawahara Y, Yuge L, Kurisu K Abstract We analyzed the cell characteristics, neuroprotective, and transplantation effects of human cranial bone-derived mesenchymal stem cells (hcMSCs) in ischemic stroke model rats compared with human iliac bone-derived mesenchymal stem cells (hiMSCs). The expressions of brain-derived neurotrophic factor (BDNF) and vascular endothelial growth factor (VEGF ) as neurotrophic factors were analyzed in both MSCs. hiMSCs or hcMSCs were intravenously administered into ischemic st...
Source: Neurologia Medico-Chirurgica - January 22, 2020 Category: Neurosurgery Tags: Neurol Med Chir (Tokyo) Source Type: research

Glial fibrillary acidic protein in patients with symptoms of acute stroke : Diagnostic marker of cerebral hemorrhage.
Abstract Glial fibrillary acidic protein (GFAP) is a highly brain-specific protein that is expressed in large quantities in astrocytes and has important functions in terms of maintaining and stabilizing the cytoskeleton. Acute intracerebral hemorrhage leads to an immediate mechanical destruction of astroglial cells with the subsequent release of GFAP into the extracellular space and the bloodstream. On the other hand, necrosis, cytolysis and GFAP release does not occur before 6-12 h after symptom onset in ischemic stroke. Thus, in the early hours after stroke increased GFAP values could indicate intracerebral hem...
Source: Der Nervenarzt - July 25, 2014 Category: Neurology Authors: Foerch C, Pfeilschifter W, Zeiner P, Brunkhorst R Tags: Nervenarzt Source Type: research

Multiethnic Genome-Wide Association Study of Cerebral White Matter Hyperintensities on MRI Original Articles
Conclusions— We identified 4 novel genetic loci that implicate inflammatory and glial proliferative pathways in the development of WMH in addition to previously proposed ischemic mechanisms.
Source: Circulation: Cardiovascular Genetics - April 21, 2015 Category: Cardiology Authors: Verhaaren, B. F. J., Debette, S., Bis, J. C., Smith, J. A., Ikram, M. K., Adams, H. H., Beecham, A. H., Rajan, K. B., Lopez, L. M., Barral, S., van Buchem, M. A., van der Grond, J., Smith, A. V., Hegenscheid, K., Aggarwal, N. T., de Andrade, M., Atkinson, Tags: Cerebrovascular disease/stroke, Genetics of Stroke, Risk Factors for Stroke, Epidemiology, Genetics of cardiovascular disease Original Articles Source Type: research

Mitochondrial Encephalopathy with Lactic Acidosis and Stroke (MELAS) presenting as an apparent neoplastic process (P5.015)
CONCLUSION: MELAS can mimic more common disorders. The slow onset of her symptoms and the MRI's appearance led to suspicion for neoplasm. This is the first report to our knowledge where MELAS has presented as such. Documentation of this and other unusual presentations of mitochondrial disease is crucial to appropriate diagnosis of the condition.Disclosure: Dr. Rothstein has nothing to disclose. Dr. Haq has nothing to disclose.
Source: Neurology - April 8, 2015 Category: Neurology Authors: Rothstein, A., Haq, I. Tags: Aging, Dementia, Cognitive, and Behavioral Neurology ePosters Source Type: research

Ischemic stroke in patients with gliomas at The University of Texas-M.D. Anderson Cancer Center
Abstract Patients with gliomas are at risk of cerebrovascular accidents (CVA) with potential consequences on survival, function, and local tumor control. Our objective was to provide information about CVA in patients with gliomas and to estimate survival in this group. We reviewed all adult glioma patients with ischemic CVA at the University of Texas-M.D. Anderson Cancer Center from 2003 through 2014. We extracted demographic, clinical, imaging, treatment and outcome data. We used descriptive summary data and estimated or compared survival rates where appropriate. 60 of 6500 patients (0.1 %) with high-grade (HGG,...
Source: Journal of Neuro-Oncology - August 14, 2015 Category: Cancer & Oncology Source Type: research

Stroke-like migraine attacks in long term survivors of high grade glioma. (P1.174)
Conclusions:Stroke-like migraine attacks are difficult to treat and the pathophysiology is unknown. With more sophisticated imaging techniques, a better understanding of this phenomenon will aid in the treatment and prophylaxis of the syndrome with a goal of improving quality of life for this small but slowly growing population.Disclosure: Dr. New has nothing to disclose. Dr. Mirza has nothing to disclose.
Source: Neurology - April 17, 2017 Category: Neurology Authors: New, P., Mirza, H. Tags: Neuro-oncology: Gliomas I Source Type: research

Early-onset stroke in two siblings with Neurofibromatosis type 1.
Abstract Neurofibromatosis type 1 (NF1) is an autosomal dominant neurocutaneous disorder, characterized by cafe-au-lait macules, benign neurofibromas as well as malignant peripheral nerve sheath tumours, freckling in the axillary or inguinal regions, optic glioma and Lisch nodules (iris hamartomas) and further manifestations like bone deformities etc. Additionally, NF1 patients are at increased risk of early-onset cerebrovascular diseases, the pathogenesis of which has not been clarified yet. Here we report the first case of two siblings with NF1 who suffered an acute ischemic stroke. Professionals treating NF1 pa...
Source: European Journal of Medical Genetics - July 3, 2019 Category: Genetics & Stem Cells Authors: Rukavina K, Töpper R, Kunze A, Hess A, Glatzel M, Valdueza JM, Farschtschi S, Hagel C Tags: Eur J Med Genet Source Type: research

Glial Cell Line-Derived Neurotrophic Factor and Focal Ischemic Stroke.
Abstract Focal ischemic stroke (FIS) is a leading cause of human debilitation and death. Following the onset of a FIS, the brain experiences a series of spatiotemporal changes which are exemplified in different pathological processes. One prominent feature of FIS is the development of reactive astrogliosis and glial scar formation in the peri-infarct region (PIR). During the subacute phase, astrocytes in PIR are activated, referred to as reactive astrocytes (RAs), exhibit changes in morphology (hypotrophy), show an increased proliferation capacity, and altered gene expression profile, a phenomenon known as reac...
Source: Neurochemical Research - February 16, 2021 Category: Neuroscience Authors: Zhang Z, Sun GY, Ding S Tags: Neurochem Res Source Type: research