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Specialty: Neuroscience
Condition: Thrombosis

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Total 164 results found since Jan 2013.

Treatment With Intravenous Alteplase for Acute Ischemic Stroke After Reversal of Dabigatran With Idarucizumab: A Case Study
Treatment options for anticoagulated patients presenting with ischemic stroke are limited. Off-label use of idarucizumab to rapidly reverse the anticoagulant effect of dabigatran may ensure eligibility for thrombolytic therapy with alteplase. This case describes a 77-year-old white male who presented to the hospital 89 minutes after sudden onset of right-sided hemiparesis, dysarthria, and facial palsy. Significant history included atrial fibrillation and previous right-sided cortical stroke. Medication reconciliation revealed he was taking dabigatran 150 mg twice a day, with the last dose being 179 minutes before presentat...
Source: Journal of Neuroscience Nursing - January 8, 2019 Category: Neuroscience Tags: Case Study Source Type: research

Tissue Plasminogen Activator Causes Brain Microvascular Endothelial Cell Injury After Oxygen Glucose Deprivation by Inhibiting Sonic Hedgehog Signaling.
Abstract The thrombolytic activity of tissue plasminogen activator (tPA) has undisputed benefits. However, the documented neurotoxicity of tPA raises important issues. Currently, common treatments for stroke might not be optimum if exogenous tPA can pass through the blood-brain barrier and enter the brain, thus adding to the deleterious effects of tPA within the cerebral parenchyma. Here, we determined whether tPA could damage brain microvascular endothelial cells (BMECs) during cerebral ischemia. We showed that treatment of BMECs with tPA decreased trans-endothelial electrical resistance and cell proliferation, a...
Source: Neurochemical Research - December 14, 2018 Category: Neuroscience Authors: Gong P, Li M, Zou C, Tian Q, Xu Z Tags: Neurochem Res Source Type: research

Iron nanoparticle contrast enhanced microwave imaging for emergent stroke: A pilot study
Publication date: Available online 1 November 2018Source: Journal of Clinical NeuroscienceAuthor(s): Joseph S. Hudson, Timothy K. Chung, Benjamin S. Prout, Yasunori Nagahama, Madhavan L. Raghavan, David M. HasanAbstractEmergent stroke is mostly evaluated using hospital based imaging. Quick imaging allows for rapid administration of IV thrombolysis and outcome improvement. Microwave imaging (MI) is an emerging portable imaging modality. Iron oxide nanoparticles are known to interact with microwave frequency electromagnetic radiation. In this manuscript, we provide proof of concept for a novel iron oxide nanoparticle enhance...
Source: Journal of Clinical Neuroscience - November 2, 2018 Category: Neuroscience Source Type: research

Impact of venous thromboembolism during admission for meningioma surgery on hospital charges and postoperative complications
Publication date: Available online 9 October 2018Source: Journal of Clinical NeuroscienceAuthor(s): Eleonora F. Spinazzi, Darshan Shastri, Milap Raikundalia, Nicole A. Silva, Jean Anderson Eloy, James K. LiuAbstractSurgical resection of meningiomas has been associated with high rates of venous thromboembolic events (VTE) as compared with all other intracranial tumors. There is a paucity of data regarding the clinical complications and comorbidities associated with this cohort yet the underlying pathophysiological mechanism for this tumor-specific finding remains unclear. Our goal was to determine the various impacts of VTE...
Source: Journal of Clinical Neuroscience - October 9, 2018 Category: Neuroscience Source Type: research

Effectiveness of Initiating Deep Vein Thrombosis Prophylaxis in Patients With Stroke: An Integrative Review
Venous thromboembolism (VTE) is a frequent and potentially fatal complication of immobility caused by cerebrovascular disease. This review examines the efficiency of deep vein thrombosis (DVT) prophylaxis methods. Patients with stroke initiated on DVT prophylaxis were compared with those who did not have any prophylaxis. Integrative review research design was used and included articles from 2010 to 2016. Search terms such as “DVT prophylaxis” and “stroke” were used to identify scientific publications. Of 173 studies identified, 12 articles were included and rated using the Canadian Medical Association and Center fo...
Source: Journal of Neuroscience Nursing - September 8, 2018 Category: Neuroscience Tags: Article Source Type: research

Ability of the Khorana score to predict recurrent thromboembolism in cancer patients with ischemic stroke
In this study, the Khorana score had poor discriminatory ability for predicting RTE in cancer patients with AIS. Future research is needed to identify better methods for predicting RTE in this high-risk population.
Source: Journal of Clinical Neuroscience - August 23, 2018 Category: Neuroscience Source Type: research

Down syndrome with moyamoya disease: A case series
Pawan Kumar, Inusha Panigrahi, Naveen Sankhyan, Chirag Ahuja, Prasoon K GoyadiJournal of Pediatric Neurosciences 2018 13(2):201-204 Down syndrome (DS), resulting from trisomy 21, is a common cause of mental retardation. Around 20,000 babies with DS are born every year in India. There is an increased risk of cerebral infarction in children with DS, the common causes being thromboembolism secondary to atrioventricular canal defects, right-to-left shunting, myocardial dysmotility, or cardiac valvular abnormalities. Stroke due to other causes can also occur in patients with DS, and one of these is moyamoya disease. This can b...
Source: Journal of Pediatric Neurosciences - July 5, 2018 Category: Neuroscience Authors: Pawan Kumar Inusha Panigrahi Naveen Sankhyan Chirag Ahuja Prasoon K Goyadi Source Type: research

Intracranial hypertension related to cerebral venous thrombosis; and acute ischemic stroke with micro-infarcts associated with IgG4-related disease
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Source: International Journal of Neuroscience - April 13, 2018 Category: Neuroscience Authors: Esme Ekizoglu Oguzhan Coban Cagri Ulukan Duygu Gezen Ak Erdin ç Dursun Erdem Tuzun Betul Baykan Source Type: research

Matrix Metalloproteinase-9 Mediates the Deleterious Effects of α2-Antiplasmin on Blood–Brain Barrier Breakdown and Ischemic Brain Injury in Experimental Stroke
We examined the hypothesis that MMP-9 is an essential downstream mediator of α2-antiplasmin’s deleterious effects during brain ischemia. Middle cerebral artery thromboembolic stroke was induced in a randomized, blinded fashion in mice with increased blood levels of α2-antiplasmin. There was a robust increase in MMP-9 expression (immunofluorescence) in the ischemic vs. the non-ischemic hemisphere of MMP-9+/+ but not MMP-9−/− mice, 24 h after stroke. Brain swelling and hemorrhage were significantly increased in the ischemic vs. the non-ischemic hemisphere of MMP-9+/+ mice. By comparison to MMP-9+/+ mice, the ischem...
Source: Neuroscience - March 3, 2018 Category: Neuroscience Source Type: research

LDL receptor blockade reduces mortality in a mouse model of ischaemic stroke without improving tissue-type plasminogen activator-induced brain haemorrhage: towards pre-clinical simulation of symptomatic ICH
ConclusionDespite the proven causative relationship between severe HT and neurological deterioration in human stroke, rt-PA-triggered HT in mouse MCAo does not contribute to neurological deficit or simulate sICH. Model limitations, such as the long duration of occlusion required, the type of HT achieved and the timing of deficit assessment may account for this mismatch. Our results further suggest that blockade of LDL receptors improves stroke outcome irrespective of rt-PA, blood –brain barrier breakdown and HT.
Source: Fluids and Barriers of the CNS - November 21, 2017 Category: Neuroscience Source Type: research

Acute treatment of stroke due to spontaneous calcified cerebral emboli causing large vessel occlusion
Conclusions Given the small sample reported in literature and no reported randomised studies, definitive recommendations could not be reached. However, considering thrombus composition, thrombolysis is most probably not sufficient and priority should be given to EVT.
Source: Journal of Clinical Neuroscience - November 6, 2017 Category: Neuroscience Source Type: research

DVT Prevention in Stroke
AbstractPurpose of ReviewThe purpose of this review is to discuss the prevention of venous thromboembolism (VTE) in stroke patients. We discuss use of oral anticoagulation and other interventions for the prevention of VTE. A new class of medications, non-vitamin K antagonist oral anticoagulants (NOACs), have been successfully trialed for the prevention of VTE. We review the data and guidance statements for VTE prevention.Recent FindingsWarfarin and vitamin K antagonist drugs have been the mainstay of VTE prevention for decades. More recently, NOACs have become available for both stroke and systemic embolism prevention in n...
Source: Current Neurology and Neuroscience Reports - September 18, 2017 Category: Neuroscience Source Type: research

P 165 Incidence, clinical characteristics and longterm course of headache in patients with stroke (DMKG multicenter study)
Post stroke headache is a symptom which is generally not further differentiated. According to previous European and American studies, it is a common phenomenon. Nevertheless, other symptoms of stroke, such as palsy or aphasia, are dominating clinical assessments. However, the symptom “headache” can be an essential part of the clinical picture as in subarachnoid bleeding or cerebral venous thrombosis and it is unclear which risk factors modulate the symptoms and the occurrence of headache in stroke.
Source: Clinical Neurophysiology - September 8, 2017 Category: Neuroscience Authors: S. Dietrich, A. D üring, D. Rothkirch, F. Filippopulos, O. Eren, T. Dresler, T. Buchwald, A. Straube, S. Zierz, G. Goßrau, T. Kraya Tags: Poster Source Type: research

Facial palsy in cerebral venous thrombosis: An atypical case in a young girl
Ayse KartalJournal of Pediatric Neurosciences 2017 12(2):160-161Cerebral venous thrombosis (CVT) is a rare and potentially life-threating cause of stroke. A number of etiologies and risk factors for CVT have been identified so far. These include head trauma, local and systemic infectious diseases, malignancies, autoimmune diseases, and oral contraceptive use. The most common clinical symptoms are headache and changes in consciousness. Cranial nerve palsy in CVT is uncommon, and there are very few reports of facial nerve palsy. This case report highlights an atypical manifestation in a CVT patient, who presented with periph...
Source: Journal of Pediatric Neurosciences - August 10, 2017 Category: Neuroscience Authors: Ayse Kartal Source Type: research