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Ischemic cerebral disease

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https://www.readbyqxmd.com/read/29674324/indications-for-the-performance-of-intracranial-endovascular-neurointerventional-procedures-a-scientific-statement-from-the-american-heart-association
#1
REVIEW
Clifford J Eskey, Philip M Meyers, Thanh N Nguyen, Sameer A Ansari, Mahesh Jayaraman, Cameron G McDougall, J Kevin DeMarco, William A Gray, David C Hess, Randall T Higashida, Dilip K Pandey, Constantino Peña, Hermann C Schumacher
Intracranial endovascular interventions provide effective and minimally invasive treatment of a broad spectrum of diseases. This area of expertise has continued to gain both wider application and greater depth as new and better techniques are developed and as landmark clinical studies are performed to guide their use. Some of the greatest advances since the last American Heart Association scientific statement on this topic have been made in the treatment of ischemic stroke from large intracranial vessel occlusion, with more effective devices and large randomized clinical trials showing striking therapeutic benefit...
April 19, 2018: Circulation
https://www.readbyqxmd.com/read/29673881/long-term-outcome-in-extracranial-intracranial-bypass-surgery-for-severe-steno-occlusive-disease-of-intracranial-internal-carotid-or-middle-cerebral-artery
#2
Kok Ann Colin Teo, Tseng Tsai Yeo, Vijay K Sharma
OBJECTIVES: We report the long-term outcome and rates of recurrent cerebral ischemic events in our cohort of carefully selected patients after STA-MCA bypass for severe steno-occlusive disease of intracranial ICA or MCA with exhausted cerebral vasodilatory reserve. PATIENTS AND METHODS: In this retrospective study, we reviewed the hospital records for all patients who underwent direct superficial temporal artery-middle cerebral artery bypass surgery at our institution from January 2010 to August 2017...
April 3, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29671295/monitoring-the-injured-brain
#3
Anna T Mazzeo, Deepak K Gupta
Traumatic brain injury can be defined as the most complex disease in the most complex organ. When an acute brain injury occurs, several pathophysiological cascades are triggered, leading to further exacerbation of the primary damage. A number of events potentially occurring after TBI can compromise the availability or utilization of energy substrates in the brain, ultimately leading to brain energy crisis. The frequent occurrence of secondary insults in the acute phase after TBI, such as intracranial hypertension, hypotension, hypoxia, hypercapnia, hyperthermia, seizures, can then increase cerebral damage, and adversely affect outcome...
April 18, 2018: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/29663576/neuroprotection-by-post-stroke-administration-of-an-oral-formulation-of-angiotensin-1-7-in-ischemic-stroke
#4
Douglas M Bennion, Chad H Jones, Lauren L Donnangelo, Justin T Graham, Jacob D Isenberg, Alex N Dang, Vermali Rodriguez, Ruben D M Sinisterra, Frederico B Sousa, Robson A S Santos, Colin Sumners
NEW FINDINGS: What is the central question of this study? Angiotensin-(1-7) decreases cerebral infarct volume and improves neurological function when delivered centrally prior to and during ischemic stroke. Here, we assessed the neuroprotective effects of angiotensin-(1-7) when delivered orally post-stroke. What is the main finding and its importance? We show that oral delivery of angiotensin-(1-7) attenuates cerebral damage induced by middle cerebral artery occlusion in rats, without affecting blood pressure or cerebral blood flow...
April 16, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29663313/microbleeds-in-ischemic-vs-hemorrhagic-strokes-on-novel-oral-anticoagulants
#5
J C Purrucker, M Wolf, K Haas, T Siedler, T Rizos, S Khan, P U Heuschmann, R Veltkamp
OBJECTIVES: To identify differences in clinical characteristics and severity of cerebral small vessel disease (CSVD) including cerebral microbleeds (CMBs), between patients suffering ischemic stroke (IS) or intracerebral hemorrhage (ICH) while taking novel (non-vitamin K antagonists) oral anticoagulants (NOACs). METHODS: Multicenter, prospective, observational cohort study performed at 38 centers between 2012 and 2015. We compared demographics, comorbidity, and functional status (before and after stroke) between NOAC-IS and NOAC-ICH patients...
April 16, 2018: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29651234/pathophysiology-of-long-non-coding-rnas-in-ischemic-stroke
#6
REVIEW
Weimin Ren, Xiaobo Yang
Stroke is a neurological disease with high disability and fatality rates, and ischemic stroke accounts for 75% of all stroke cases. The underlying pathophysiologic processes of ischemic stroke include oxidative stress, toxicity of excitatory amino acids, excess calcium ions, increased apoptosis and inflammation. Long non-coding RNAs (lncRNAs) may participate in the regulation of the pathophysiologic processes of ischemic stroke as indicated by altered expression of lncRNAs in blood samples of acute ischemic stroke patients, animal models of focal cerebral ischemia and oxygen-glucose deprivation (OGD) cell models...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29650864/-a-case-of-home-care-for-heart-failure
#7
Haruhiko Tohyama
A female in her 80s with a history of cerebral infarction and atrial fibrillation had repeated hospitalizations because of heart failure caused by ischemic myocardiopathy. She lived alone and received home care and support for self-care with involvement of multiple providers, enabling early detection of disease exacerbation and subsequent intervention. A new ischemic event was managed with percutaneous coronary intervention. With deterioration of renal function, her response to diuretics decreased, and dialysis was initiated...
March 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29629297/influences-of-pinpoint-plantar-long-wavelength-infrared-light-irradiation-stress-free-therapy-on-chorioretinal-hemodynamics-atherosclerosis-factors-and-vascular-endothelial-growth-factor
#8
Keisou Ishimaru, Takuma Nakajima, Yoshihisa Namiki, Kenji Ryotokuji
Background: We previously reported that pinpoint plantar long-wavelength infrared light irradiation (stress-free therapy; SFT) is useful for alleviating insulin resistance and improving intracranial blood flow in patients with type 2 diabetes mellitus. This study was undertaken to evaluate the influences of SFT on chorioretinal hemodynamics (retinal artery and vein blood flows) as well as atherosclerosis-related factors (TG, LDL-C) and VEGF in patients with dyslipidemia. Methods: Four patients with dyslipidemia received 15-minute irradiation with a stress-free apparatus (far-infrared wavelength, 30 mW)...
March 2018: Integrative Medicine Research
https://www.readbyqxmd.com/read/29628950/safety-assessment-of-endovascular-treatment-of-cerebral-aneurysms-in-patients-with-fibromuscular-dysplasia
#9
Matthew T Bender, Christopher Hurtado, Bowen Jiang, Jessica K Campos, Judy Huang, Rafael J Tamargo, Li-Mei Lin, Alexander L Coon, Geoffrey P Colby
Background: The prevalence of cerebral aneurysms is increased in fibromuscular dysplasia (FMD). The presence of FMD may serve as discouragement to elective endovascular aneurysm treatment. Outcomes of endovascular intervention for aneurysms through vessels affected by FMD have not been reported. Methods: A prospectively maintained database of patients undergoing intracranial embolization was reviewed for patients with FMD who underwent endovascular aneurysm treatment...
February 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29627833/small-hyperintensities-in-the-area-of-the-perforating-arteries-in-patients-with-seizure
#10
Nobuyuki Izutsu, Yasunori Fujimoto, Naoaki Yamada, Ryuichiro Kajikawa, Kazuhiro Yoshimura, Munenori Nagashima, Akatsuki Wakayama, Toshiki Yoshimine
BACKGROUND/AIM: We previously observed spotty hyperintense lesions in the region of the perforating arteries on peri-ictal diffusion-weighted imaging (DWI); however, no report has formally described these findings. The aim of this study was to investigate focal intensities on peri-ictal DWI, and to evaluate the clinical significance of these lesions. METHODS: We conducted a retrospective review of 677 consecutive patients with seizure who completed peri-ictal DWI within 24 h after seizure onset...
April 6, 2018: European Neurology
https://www.readbyqxmd.com/read/29614486/prevention-effect-of-antiplatelets-on-aneurysm-rupture-in-a-mouse-intracranial-aneurysm-model
#11
Tomo Suzuki, Yoshinobu Kamio, Hiroshi Makino, Kazuya Hokamura, Tetsuro Kimura, Tomohiro Yamasaki, Hisaya Hiramatsu, Kazuo Umemura, Hiroki Namba
BACKGROUND AND PURPOSE: Subarachnoid hemorrhage (SAH) from intracranial aneurysm rupture results in significant morbidity and mortality. In the present study, we examined the effect of most widely used antiplatelet drugs, aspirin and cilostazol, on aneurysm rupture prevention using a mouse intracranial aneurysm model. MATERIALS AND METHODS: Intracranial aneurysms were induced by a combination of deoxycorticosterone acetate-salt and a single injection of elastase into the cerebrospinal fluid in mice...
April 3, 2018: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29608790/increase-in-perfused-boundary-region-of-endothelial-glycocalyx-is-associated-with-higher-prevalence-of-ischemic-heart-disease-and-lesions-of-microcirculation-and-vascular-wall
#12
Alexander Y Gorshkov, Marina V Klimushina, Sergei A Boytsov, Alexander Y Kots, Nadezhda G Gumanova
OBJECTIVE: Perfused boundary region (PBR) characterizes penetration of red blood cells inside glycocalyx and its thickness can have profound impact on microcirculation and other vascular parameters. The goal of our study was to reliably quantify PBR and assess its potential use as a new marker of cardiovascular pathology. METHODS: The study included 208 patients (123 men and 85 women from 40 to 65 years of age) with various grades of cardiovascular SCORE risk index and ischemic heart disease...
April 2, 2018: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29607570/incidence-and-etiology-of-microinfarcts-in-patients-with-ischemic-stroke
#13
Jamary Oliveira-Filho, Hakan Ay, Ashkan Shoamanesh, Kwang Yeol Park, Ross Avery, Mine Sorgun, Gyeong-Moon Kim, Pedro T Cougo, Steven M Greenberg, M Edip Gurol
BACKGROUND AND PURPOSE: Cerebral microinfarcts (CMI) are associated with intracerebral hemorrhage due to small vessel disease (SVD) in studies not including an ischemic etiologic workup. We aimed to determine their incidence and potential causes in a large ischemic stroke (IS) cohort. METHODS: Consecutive patients with MRI-confirmed IS within 72 hours of onset were enrolled. Subjects had either single high-risk embolic source (cardioembolic or large vessel disease) or no embolic source...
April 1, 2018: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/29603201/pr-957-mediates-neuroprotection-by-inhibiting-th17-differentiation-and-modulating-cytokine-production-in-a-mouse-model-of-ischemic-stroke
#14
Ying Guo, Xiuju Chen, Daojing Li, Haijie Liu, Yanan Ding, Ranran Han, Yanchao Shi, Xiaofeng Ma
Acute ischemic stroke can induce secondary brain injury by activating an inflammatory response that contributes to clinical impairment. As a specific inhibitor of the immunoproteasome subunit low molecular weight polypeptide 7 (LMP7), PR-957 may participate in regulating pathophysiologic and inflammatory responses in multiple diseases of the CNS. We investigated the neuroprotective properties of PR-957 in a mouse model of stroke, induced by middle cerebral artery occlusion (MCAO). After MCAO and injections of PR-957 or vehicle, we evaluated mice behaviorally using modified Neurological Severity Scores (mNSS) and sensorimotor tests, including the adhesive-removal test, a foot-fault test, and an inclined plane test...
March 30, 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/29600916/risk-factors-for-and-outcomes-of-postoperative-complications-in-adult-patients-with-moyamoya-disease
#15
Meng Zhao, Xiaofeng Deng, Dong Zhang, Shuo Wang, Yan Zhang, Rong Wang, Jizong Zhao
OBJECTIVE The risk factors and clinical significance of postoperative complications in moyamoya disease are still unclear. The aim of this study was to investigate the predictors of postoperative complications in moyamoya disease and examine the impact of complications on outcomes. METHODS The authors reviewed consecutive cases involving adult moyamoya disease patients who underwent indirect, direct, or combined bypass surgery in their hospital between 2009 and 2015. Preoperative clinical characteristics and radiographic features were recorded...
March 30, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29600431/effectiveness-of-arginase-inhibitors-against-experimentally-induced-stroke
#16
Waleed Barakat, Ahmad Fahmy, Mohamed Askar, Sherif El-Kannishy
Stroke is a lethal disease, but it disables more than it kills. Stroke is the second leading cause of death and the most frequent cause of permanent disability in adults worldwide, with 90% of survivors having residual deficits. The pathophysiology of stroke is complex and involves a strong inflammatory response associated with oxidative stress and activation of several proteolytic enzymes. The current study was designed to investigate the effect of arginase inhibitors (L-citruline and L-ornithine) against ischemic stroke induced in rats by middle cerebral artery occlusion (MCAO)...
March 29, 2018: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/29597251/-appropriate-treatment-and-therapeutic-window-in-spasticity-treatment-with-incobotulinumtoxina-from-100-to-1000-units
#17
Giancarlo Ianieri, Riccardo Marvulli, Giulia Alessia Gallo, Pietro Fiore, Marisa Megna
Many neurological diseases (ischemic and hemorrhagic stroke, multiple sclerosis, infant cerebral palsy, spinal cord injuries, traumatic brain injury, and other cerebrovascular disorders) may cause muscle spasticity. Different therapeutic strategies have been proposed for the treatment of spasticity. One of the major treatments for tone modulation is botulinum toxin type A (BTX-A), performed in addition to other rehabilitation strategies based on individualized multidisciplinary programs aimed at achieving certain goals for each patient...
March 28, 2018: Toxins
https://www.readbyqxmd.com/read/29590624/upregulation-of-microglial-zeb1-ameliorates-brain-damage-after-acute-ischemic-stroke
#18
Daojing Li, Wenjing Lang, Chen Zhou, Chao Wu, Fang Zhang, Qiang Liu, Shuang Yang, Junwei Hao
Microglia are a key immune-competent cell type that respond to environmental and physiological changes during ischemic stroke. However, the molecular mechanisms controlling post-ischemic microglia activity are unclear. Understanding these mechanisms may ultimately reduce disease burden and allow the manipulation of microglia responses to shape the outcomes of stroke. Here, we report that, after experimentally induced stroke, ZEB1 is highly expressed in ipsilateral cerebral hemisphere, where it is upregulated mainly in microglia...
March 27, 2018: Cell Reports
https://www.readbyqxmd.com/read/29584535/intracranial-hypertension-related-to-cerebral-venous-thrombosis-and-acute-ischemic-stroke-with-micro-infarcts-associated-with-igg4-related-disease
#19
Esme Ekizoglu, Oguzhan Coban, Cagri Ulukan, Duygu Gezen Ak, Erdinç Dursun, Erdem Tuzun, Betul Baykan
IgG4-related systemic disease (IgG4-RD) is characterized by an inflammatory reaction rich in IgG4-positive plasma cells, affecting multiple organs. This report describes a case who was diagnosed with IgG4-RD, having cerebral venous thrombosis and a subsequent acute ischemic stroke of undetermined cause. The 47-year-old woman presented with headache, visual disturbance and eyelid swelling and two years later she was admitted with acute attacks of mild left lower limb sensory-motor monoparesis. Indirect immunohistochemistry assay showed elevated level of IgG4, labeling neurons of the central nervous system, suggesting an immunological process possibly affecting vascular structures...
March 27, 2018: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29581345/ischemic-stroke-alters-the-expression-of-the-transcribed-ultraconserved-regions-of-the-genome-in-rat-brain
#20
Suresh L Mehta, Raghu Vemuganti
BACKGROUND AND PURPOSE: Human and rodent genomes diverged ≈75 million years ago. However, 481 regions of their genomes (200-779 nucleotide each) remained absolutely conserved and form noncoding RNAs known as transcribed ultraconserved regions (T-UCRs). The functional significance of T-UCRs is not apparent, but their altered expression is associated with many diseases, and thus thought to be critical for life. We presently investigated the poststroke temporal changes in the expression of T-UCRs with potential functional significance...
April 2018: Stroke; a Journal of Cerebral Circulation
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