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Specialty: Neuroscience
Condition: Thrombosis

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Total 164 results found since Jan 2013.

A Case of Transient Global Amnesia: A Review and How It May Shed Further Insight into the Neurobiology of Delusions
Conclusion In closing, our patient’s episode of TGA combined with her emotional and perceptual response lends credence to the proposal of a “fear/paranoia” circuit in the genesis of paranoid delusions—a circuit incorporating amygdala, frontal, and parietal cortices. Here, neutral or irrelevant stimuli, thoughts, and percepts come to engender fear and anxiety, while dysfunction in frontoparietal circuitry engenders inappropriate social predictions and maladaptive inferences about the intentions of others.[54] Hippocampus relays information about contextual information based on past experiences and the current situat...
Source: Innovations in Clinical Neuroscience - April 1, 2016 Category: Neuroscience Authors: ICN Online Editor Tags: Anxiety Disorders Behavioral and Cognitive Neurology Case Report Cognition Current Issue Dementia Medical Issues Neurologic Systems and Symptoms Psychiatry Schizophrenia delusions hippocampus neurobiology Transient global amnesia Source Type: research

History, Evolution, and Importance of Emergency Endovascular Treatment of Acute Ischemic Stroke
Abstract More than 800,000 people in North America suffer a stroke each year, with ischemic stroke making up the majority of these cases. The outcomes of ischemic stroke range from complete functional and cognitive recovery to severe disability and death; outcome is strongly associated with timely reperfusion treatment. Historically, ischemic stroke has been treated with intravenous thrombolytic agents with moderate success. However, five recently published positive trials have established the efficacy of endovascular treatment in acute ischemic stroke. In this review, we will discuss the history of stroke treatm...
Source: Current Neurology and Neuroscience Reports - March 27, 2016 Category: Neuroscience Source Type: research

tPA promotes cortical neuron survival via mTOR-dependent mechanisms
We report here that tPA treatment results in a time-dependent neuroprotective effect on postnatal cortical neurons that relies predominantly on Janus kinase (JAK) and mammalian target of rapamycin (mTOR) signaling mechanisms. Taken together, these data suggest that tPA promotes neuroprotection in a temporally-regulated manner and that both JAK and mTOR signaling effectors are critical mediators of this neuroprotective effect. The results suggest the possibility of targeting these defined mechanisms to potentially expand the therapeutic window for tPA.
Source: Molecular and Cellular Neuroscience - March 18, 2016 Category: Neuroscience Source Type: research

Where Does the Time Go? The Effect of Protocols for Stroke Last Known Well Documentation on Intravenous Recombinant Tissue Plasminogen Activator Delivery in the Northeast
Conclusions: Improved documentation of LKW times should be attempted. The addition of this variable to existing protocols could more accurately track the number of patients ineligible for treatment based on delayed presentation.
Source: Journal of Neuroscience Nursing - March 10, 2016 Category: Neuroscience Tags: Article Source Type: research

Factors Associated with Thrombolysis Outcome in Ischemic Stroke Patients with Atrial Fibrillation
In this study, we investigated factors that influence the effect of intravenous thrombolysis in these patients. Our results showed that thrombolysis was independently associated with a favorable outcome (P < 0.001) and did not influence the mortality of AF-related ischemic stroke, although it increased the risk of hemorrhage within 24 h after treatment. Risk factors for a poor outcome at admission were: heart failure (P = 0.045); high systolic pressure (P = 0.039); high blood glucose (P = 0.030); and a high National Institutes of Health Stroke Scale (NIHSS) score (P < 0.001). Moreover, high systolic pressur...
Source: Neuroscience Bulletin - March 7, 2016 Category: Neuroscience Source Type: research

Microvascular decompression for elderly patients with trigeminal neuralgia
Publication date: Available online 2 March 2016 Source:Journal of Clinical Neuroscience Author(s): Kevin Phan, Prashanth J. Rao, Mark Dexter Microvascular decompression (MVD) has been demonstrated to be an excellent surgical treatment approach in younger patients with trigeminal neuralgia (TN). However, it is not clear whether there are additional morbidity and mortality risks for MVD in the elderly population. We performed a systematic literature review using six electronic databases for studies that compared outcomes for MVD for TN in elderly (cut-off ⩾60, 65, 70years) versus younger populations. Outcomes examined...
Source: Journal of Clinical Neuroscience - March 2, 2016 Category: Neuroscience Source Type: research

Intravenous thrombolysis, mechanical embolectomy, and intracranial stenting for hyperacute ischemic stroke in a patient with moyamoya disease
Publication date: Available online 17 February 2016 Source:Journal of Clinical Neuroscience Author(s): Debora S. Argetsinger, Jeffrey W. Miller, Jeffrey J. Fletcher The Japanese translation of moyamoya means “puff of smoke” and refers to the angiographic appearance of dilated collateral vessels seen during chronic progressive narrowing of the intracranial supraclinoid portions of the internal carotid arteries. Despite cerebral ischemia being the most common presenting symptom, 20% to 40% of adults suffer a hemorrhagic stroke. Due to the lack of evidence and histopathologic findings, intravenous and endovascular re...
Source: Journal of Clinical Neuroscience - February 18, 2016 Category: Neuroscience Source Type: research

ID 366 – Cerebral venous thrombosis (CVT) in a female patient with severe obstructive sleep apnea (OSAS): Case presentation
Obstructive sleep apnea syndrome is reported to be a risk factor for arterial ischemic stroke, however, relationship between OSAS and cerebral venous thrombosis (CVT) remains uncertain.
Source: Clinical Neurophysiology - February 11, 2016 Category: Neuroscience Authors: H. Rashed, A. Marei, M. Tork, A. Abdelnasser Source Type: research

Direct admission to stroke centers reduces treatment delay and improves clinical outcome after intravenous thrombolysis
Publication date: Available online 9 January 2016 Source:Journal of Clinical Neuroscience Author(s): Dae-Hyun Kim, Hee-Joon Bae, Moon-Ku Han, Beom Joon Kim, Sang-Soon Park, Tai Hwan Park, Kyung Bok Lee, Kyusik Kang, Jong-Moo Park, Youngchai Ko, Soo Joo Lee, Jay Chol Choi, Joon-Tae Kim, Ki-Hyun Cho, Keun-Sik Hong, Yong-Jin Cho, Dong-Eog Kim, Jun Lee, Juneyoung Lee, Mi Sun Oh, Kyung-Ho Yu, Byung-Chul Lee, Hyun-Wook Nah, Jae-Kwan Cha We aimed to examine whether direct access to hospitals offering intravenous thrombolysis is associated with functional outcomes in patients with acute ischemic stroke tr...
Source: Journal of Clinical Neuroscience - January 11, 2016 Category: Neuroscience Source Type: research

Administration of Uric Acid in the Emergency Treatment of Acute Ischemic Stroke
Abstract Oxidative stress is one of the main mechanisms implicated in the pathophysiology of inflammatory and neurodegenerative diseases of the central nervous system (CNS). Uric acid (UA) is the end product of purine catabolism in humans, and it is the main endogenous antioxidant in blood. Low circulating UA levels have been associated with an increased prevalence and worse clinical course of several neurodegenerative and inflammatory diseases of the CNS, including Parkinson’s disease and multiple sclerosis. Moreover, the exogenous administration of UA exerts robust neuroprotective properties in experimental m...
Source: Current Neurology and Neuroscience Reports - December 28, 2015 Category: Neuroscience Source Type: research

Sonothrombolysis.
Authors: Meairs S Abstract Ultrasound (US) applied as an adjunct to thrombolytic therapy improves the recanalization of occluded vessels, and microbubbles can amplify this effect. New data suggests that the combination of US and microbubbles without tissue plasminogen activator may achieve recanalization with a lower risk of hemorrhage. Further possibilities include specific targeting of thrombus with immunobubbles as well as local drug delivery with US-sensitive liposomes. Clinical studies support the use of US for ischemic stroke therapy, and the first trials of enhancing sonothrombolysis with microbubbles have b...
Source: Frontiers of Neurology and Neuroscience - December 2, 2015 Category: Neuroscience Tags: Front Neurol Neurosci Source Type: research

Time to Blood Pressure Control Before Thrombolytic Therapy in Patients With Acute Ischemic Stroke: Comparison of Labetalol, Nicardipine, and Hydralazine
Conclusions: Adequate initial dosing of antihypertensive treatment has the potential to reduce time to blood pressure control and possibly time to alteplase therapy. The optimal antihypertensive regimen for controlling blood pressure before alteplase therapy remains unclear.
Source: Journal of Neuroscience Nursing - November 5, 2015 Category: Neuroscience Tags: Pharmacology Update Source Type: research

A novel mouse model of thromboembolic stroke
Conclusion We validated the efficacy of tPA in restoring blood flow and reducing infarct in a new model of endovascular thromboembolic stroke in the mouse.
Source: Journal of Neuroscience Methods - September 29, 2015 Category: Neuroscience Source Type: research

Blocking a vicious cycle nNOS/peroxynitrite/AMPK by S-nitrosoglutathione: implication for stroke therapy
Conclusions: Taken together, these results indicate an injurious nNOS/peroxynitrite/AMPK cycle following stroke, and GSNO treatment of IR inhibits this vicious cycle, resulting in neuroprotection and improved neurological function. GSNO is a natural component of the human body, and its exogenous administration to humans is not associated with any known side effects. Currently, the FDA-approved thrombolytic therapy suffers from a lack of neuronal protective activity. Because GSNO provides neuroprotection by ameliorating stroke’s initial and causative injuries, it is a candidate of translational value for stroke therapy.
Source: BMC Neuroscience - July 15, 2015 Category: Neuroscience Authors: Mushfiquddin KhanTajinder DhammuFumiyo MatsudaAvtar SinghInderjit Singh Source Type: research

Low dose tPA plus annexin A2 combination attenuates tPA delayed treatment- associated hemorrhage and improves recovery in rat embolic focal stroke
In conclusion, compared to conventional tPA alone, when treated at delayed 4-hour after stroke, the combination of low-dose tPA plus rA2 therapy provides a safer profile by lowering risk of ICH transformation and improves neurological function recovery after stroke.
Source: Neuroscience Letters - July 10, 2015 Category: Neuroscience Source Type: research