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Ischemic cerebral disease

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https://www.readbyqxmd.com/read/28078859/role-of-vitacamphore-in-improving-central-pro-inflammatory-cytokines-following-transient-global-ischemia
#1
J Lin, L Pang, X L Liu, J Xing
Pro-inflammatory cytokines (PICs) including interleukin-1β (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) are responsive to ischemic stress. This process thereby modulates the responsiveness of many cell types under diseased conditions. The current study was to examine the role played by vitacamphore (VCP) in regulating the levels of PICs and protein expression of PIC receptors in the cerebral cortex and hippocampus of rats after cardiac arrest (CA)-induced transient global ischemia. CA was induced by asphyxia followed by cardiopulmonary resuscitation (CPR) in rats...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28077455/symptomatic-carotid-occlusion-is-frequently-associated-with-microembolization
#2
Ava L Liberman, Ali Zandieh, Caitlin Loomis, Jonathan M Raser-Schramm, Christina A Wilson, Jose Torres, Koto Ishida, Swaroop Pawar, Rebecca Davis, Michael T Mullen, Steven R Messé, Scott E Kasner, Brett L Cucchiara
BACKGROUND AND PURPOSE: Symptomatic carotid artery disease is associated with significant morbidity and mortality. The pathophysiologic mechanisms of cerebral ischemia among patients with carotid occlusion remain underexplored. METHODS: We conducted a prospective observational cohort study of patients hospitalized within 7 days of ischemic stroke or transient ischemic attack because of ≥50% carotid artery stenosis or occlusion. Transcranial Doppler emboli detection was performed in the middle cerebral artery ipsilateral to the symptomatic carotid...
January 11, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28077416/platelet-secretion-is-crucial-to-prevent-bleeding-in-the-ischemic-brain-but-not-in-the-inflamed-skin-or-lung-in-mice
#3
Carsten Deppermann, Peter Kraft, Julia Volz, Michael K Schuhmann, Sarah Beck, Karen Wolf, David Stegner, Guido Stoll, Bernhard Nieswandt
Platelets maintain hemostasis after injury, but also during inflammation. Recent studies have shown that platelets prevent inflammatory bleeding through (hem)ITAM-dependent mechanisms irrespective of aggregation during skin and lung inflammation. While the exact mechanisms underlying this process remain unknown, it was speculated that mediators released from platelet granules might be involved. Maintaining cerebral hemostasis during stroke treatment is of high clinical relevance as hemorrhage may aggravate the disease state and increase mortality...
January 11, 2017: Blood
https://www.readbyqxmd.com/read/28072691/the-effectiveness-and-safety-of-dual-antiplatelet-therapy-in-ischemic-cerebrovascular-disease-with-intracranial-and-extracranial-arteriostenosis-in-chinese-patients-a-randomized-and-controlled-trail
#4
Feng-Tong Zuo, Hui Liu, Hui-Jun Wu, Na Su, Jie-Qiong Liu, Ai-Qin Dong
BACKGROUND: There are limited data on the effect of dual antiplatelet treatment with clopidogrel plus aspirin in patients with ischemic cerebrovascular disease and intracranial and extracranial arteriostenosis. The aim of our study was to evaluate the efficacy and safety of aspirin plus clopidogrel in the treatment of ischemic cerebrovascular disease with intracranial and extracranial arteriostenosis. METHODS: Patients with clinically evident acute cerebral infarction or transient ischemic attack combined with intracranial and extracranial arteriostenosis (greater than 50%) who were unsuitable or reluctance to perform stent implantation were enrolled in this study...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28071664/comparison-of-the-glycopattern-alterations-of-mitochondrial-proteins-in-cerebral-cortex-between-rat-alzheimer-s-disease-and-the-cerebral-ischemia-model
#5
Houyou Yu, Changwei Yang, Shi Chen, Yang Huang, Chuanming Liu, Jian Liu, Wen Yin
Alzheimer's disease (AD) and ischemic brain injury are two major neurodegenerative diseases. Mitochondrial dysfunction commonly occurs in AD and ischemic brain injury. Currently, little attention has been paid to the glycans on mitochondrial glycoproteins, which may play vital roles during the process of mitochondrial dysfunction. The aim of this study was to illustrate and compare the glycopattern alterations of mitochondrial glycoproteins extracted from the cerebral cortex of the rat models of these two diseases using High-throughput lectin microarrays...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070049/-common-factors-for-ischemic-cerebral-stroke-in-coronary-artery-bypass-grafting-in-patients-with-concomitant-carotid-and-coronary-artery-severe-stenosis
#6
Lei Huang, Feng Kuang, Zhonggui Shan, Yiquan Lai, Hongwei Guo
To analyze two common factors for perioperative ischemic stroke in patients with concomitant carotid and coronary artery severe stenosis and to improve the therapeutic effect.
 Methods: A total of 44 patients with multi-vessel coronary artery disease combined with carotid stenosis, who admitted to the Department of Cardiac Surgery, the First Affiliated Hospital of Xiamen University from 2008 to 2014, were enrolled in this study. Among them, 32 cases were male, 12 cases was female. All patients received coronary artery bypass grafting after treatment of neck diseases...
December 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28067615/intracranial-atherosclerosis-from-anatomy-to-pathophysiology
#7
Yuehua Pu, Linfang Lan, Xinyi Leng, Lawrence Ks Wong, Liping Liu
Background Intracranial atherosclerotic stenosis is an important etiology subtype of ischemic stroke. Stenosis severity was thought to be the main reference index for clinical treatment and research. However, stenosis could not reflect the ischemia risk completely, instead the hemodynamic state across the lesion, the extent of collateral circulation, and perfusion impairment downstream the stenosis are more important. Aims We write this review aimed to summarize novel angiographic methods applied in the evaluation of functional severity of ICAS, and commented on their limitations and prospects in future research...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28065778/protective-effects-of-tongxinluo-on-cerebral-ischemia-reperfusion-injury-related-to-connexin-43-calpain-ii-bax-caspase-3-pathway-in-rat
#8
Xiao Cheng, Zijun Hou, Jingbo Sun, Yan Huang, Lixin Wang, Ziyi Zhou, Li-Hua Zhou, Yefeng Cai
ETHNOPHARMACOLOGICAL RELEVANCE: Tongxinluo (TXL) is a multifunctional traditional Chinese medicine and has been widely used in the treatment of cardiovascular and cerebrovascular diseases. Numerous studies demonstrate that TXL is a novel neuroprotective drug, however, the mechanisms are largely unknown. AIM OF THE STUDY: we aimed to demonstrate the protective effect of TXL on cerebral ischemia/reperfusion (I/R) injury and provide the evidence for the involvement of Connexin 43/Calpain II/ Bax/Caspase-3 pathway in TXL-mediated neuroprotection...
January 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28065613/anca-negative-churg-strauss-syndrome-presenting-as-acute-multiple-cerebral-infarcts-a-case-report
#9
Klearchos Psychogios, Ilias Evmorfiadis, Spyros Dragomanovits, Athanasios Stavridis, Konstantinos Takis, Loukas Kaklamanis, Stathis Pantelis
Eosinophilic granulomatosis with polyangiitis (EGPA, previously named Churg-Strauss syndrome) is a form of necrotizing vasculitis occurring in patients with asthma and eosinophilia. Ischemic stroke is a relatively rare complication of the disease. We report a case of a 63-year-old woman with multiple embolic infarcts, hypereosinophilia (for >7 years), and skin rash. Elevated cardiac enzymes and cardiac magnetic resonance imaging were consistent with endomyocarditis. The simultaneous presence of history of asthma, sinusitis, hypereosinophilia, and vasculitis led to the diagnosis of EGPA...
January 5, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28064357/ischemic-stroke-experimental-models-and-reality
#10
REVIEW
Clemens J Sommer
The vast majority of cerebral stroke cases are caused by transient or permanent occlusion of a cerebral blood vessel ("ischemic stroke") eventually leading to brain infarction. The final infarct size and the neurological outcome depend on a multitude of factors such as the duration and severity of ischemia, the existence of collateral systems and an adequate systemic blood pressure, etiology and localization of the infarct, but also on age, sex, comorbidities with the respective multimedication and genetic background...
January 7, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28056747/micrornas-based-predictor-factor-in-patients-with-migraine-ischemic-stroke
#11
Luca Gallelli, Antonio Siniscalchi, Marco Carotenuto, Maria Cristina Caroleo, Erika Cione, Vincenzo Guidetti
Among the clinical spectrum of neurological diseases, migraine is often associated with cerebro-vasculopathy. Impairment of neuroimmune mediators in the central nervous system has been recognized in the pathophysiology of migraine-related stroke. Although genetic correlation was found in patients with migraine-related stroke, the epidemiology of this disease indicate a need in biomarker searching discovery and validation. In this view, small molecule, called microRNAs (miRNAs), able to regulate immune and neuronal processes has been reported in patients with migraine and ischemic stroke and unambiguous miRNAs related to these diseases could be established as new molecular indicator of precocity for clinical and/or pharmacological intervention...
January 4, 2017: MicroRNA
https://www.readbyqxmd.com/read/28053612/ischemic-brain-injury-decreases-dynamin-like-protein-1-expression-in-a-middle-cerebral-artery-occlusion-animal-model-and-glutamate-exposed-ht22-cells
#12
Ah-Ram Jang, Phil-Ok Koh
Dynamin-like protein I (DLP-1) is an important mitochondrial fission and fusion protein that is associated with apoptotic cell death in neurodegenerative diseases. In this study, we investigated DLP-1 expression in a focal cerebral ischemia animal model and glutamate-exposed hippocampal-derived cell line. Middle cerebral artery occlusion (MCAO) was surgically induced in adult male rats to induce focal cerebral ischemic injury. Brain tissues were collected 24 hours after the onset of MCAO. MCAO induces an increase in infarct volume and histopathological changes in the cerebral cortex...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28051884/the-risk-factors-and-pattern-of-cerebral-microbleeds-in-parkinson-s-disease
#13
Dian He, Chun-Feng Liu, Lan Chu, Ya Li, Da-Fei Xu, Ling Jiao
BACKGROUND AND PURPOSE: Cerebral microbleeds (CMBs) in Parkinson's disease (PD) have been reported recently and concerned increasingly. Our aim was to investigate the risk factors and pattern of CMBs in patients with PD, as well as the influence of risk factors on the pattern of CMBs. METHODS: We retrospectively collected medical and imaging data of 247 patients who underwent brain susceptibility-weighted imaging (SWI). Logistic regression analyses were performed to determine the risk factors of CMBs...
January 4, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28050720/indocyanine-green-visualization-of-middle-meningeal-artery-before-craniotomy-during-surgical-revascularization-for-moyamoya-disease
#14
Nozomu Tanabe, Shusuke Yamamoto, Daina Kashiwazaki, Naoki Akioka, Naoya Kuwayama, Kyo Noguchi, Satoshi Kuroda
BACKGROUND: The middle meningeal artery (MMA) is well known to function as an important collateral channel to the territory of the anterior cerebral artery in moyamoya disease. This study was aimed to evaluate whether indocyanine green (ICG) videoangiography could visualize the anterior branch of the MMA before craniotomy during surgical revascularization for moyamoya disease. METHODS: This study included 19 patients who developed TIA, ischemic stroke or hemorrhagic stroke due to moyamoya disease...
January 3, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28050710/the-copper-bis-thiosemicarbazone-complex-cu-ii-atsm-is-protective-against-cerebral-ischemia-through-modulation-of-the-inflammatory-milieu
#15
Mikko T Huuskonen, Qing-Zhang Tuo, Sanna Loppi, Hiramani Dhungana, Paula Korhonen, Lachlan E McInnes, Paul S Donnelly, Alexandra Grubman, Sara Wojciechowski, Katarina Lejavova, Yuriy Pomeshchik, Laura Periviita, Lotta Kosonen, Martina Giordano, Frederick R Walker, Rong Liu, Ashley I Bush, Jari Koistinaho, Tarja Malm, Anthony R White, Peng Lei, Katja M Kanninen
Developing new therapies for stroke is urgently needed, as this disease is the leading cause of death and disability worldwide, and the existing treatment is only available for a small subset of patients. The interruption of blood flow to the brain during ischemic stroke launches multiple immune responses, characterized by infiltration of peripheral immune cells, the activation of brain microglial cells, and the accumulation of immune mediators. Copper is an essential trace element that is required for many critical processes in the brain...
January 3, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28048545/we-de-207a-04-advances-in-radiological-neuro-endovascular-interventional-imaging
#16
S Rudin
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048454/we-de-207a-00-advances-in-image-guided-neurointerventions-clinical-pull-and-technology-push
#17
Jeffrey Siewerdsen, Rebecca Fahrig
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047800/we-de-207a-01-parallels-in-the-evolution-of-x-ray-angiographic-systems-and-devices-used-for-minimally-invasive-endovascular-therapy
#18
C Strother
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047144/we-de-207a-02-advances-in-cone-beam-ct-anatomical-and-functional-imaging-in-angio-suite-to-enable-one-stop-shop-stroke-imaging-workflow
#19
G Chen
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046482/we-de-207a-03-recent-advances-in-devices-used-in-neuro-interventions
#20
M Gounis
: 1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures...
June 2016: Medical Physics
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