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Smoking-Thrombolysis Paradox: Recanalization and Reperfusion Rates After Intravenous Tissue Plasminogen Activator in Smokers With Ischemic Stroke Original Contributions
Conclusions— Smoking is independently associated with recanalization and reperfusion, indicating that thrombolytic therapy acts more effectively in smokers; because of small numbers, these results should be considered preliminary. Clinical Trial Registration— URL: http://clinicaltrials.gov. Unique Identifier: NCT00715533.
Source: Stroke - January 18, 2013 Category: Neurology Authors: Kufner, A., Nolte, C. H., Galinovic, I., Brunecker, P., Kufner, G. M., Endres, M., Fiebach, J. B., Ebinger, M. Tags: Fibrinolysis, Angiography, Computerized tomography and Magnetic Resonance Imaging, Risk Factors for Stroke, Thrombolysis Original Contributions Source Type: research

Induction of Cooling With a Passive Head and Neck Cooling Device: Effects on Brain Temperature After Stroke Clinical Sciences
Conclusions— Although the decrease of brain temperature after Sovika cooling device application was statistically significant, we doubt clinical relevance of this rather limited effect (–0.36°C). Moreover, the transient increases of blood pressure and ICP warrant caution.
Source: Stroke - February 25, 2013 Category: Neurology Authors: Poli, S., Purrucker, J., Priglinger, M., Diedler, J., Sykora, M., Popp, E., Steiner, T., Veltkamp, R., Bosel, J., Rupp, A., Hacke, W., Hametner, C. Tags: Cerebrovascular disease/stroke, CPR and emergency cardiac care, Other Treatment, Emergency treatment of Stroke Clinical Sciences Source Type: research

Current status of acute stroke management in Korea: a report on a multicenter, comprehensive acute stroke registry
There are limited data on the utilization of diagnostics and the variation of treatments at the national level in acute stroke care. Clinical Research Center for Stroke – 5th division stroke registry aimed to describe stroke statistics and quality of care in Korea and to implement quality indicators. Clinical Research Center for Stroke – 5th division registry was established in April 2008 and covers pretreatment demographics, medical and stroke severity measures, diagnostic evaluation, hyperacute revascularization, in‐hospital management, discharge disposition, quality indicators, and long‐term functional outcomes....
Source: International Journal of Stroke - November 21, 2013 Category: Neurology Authors: Beom Joon Kim, Moon‐Ku Han, Tai Hwan Park, Sang‐Soon Park, Kyung Bok Lee, Byung‐Chul Lee, Kyung‐Ho Yu, Jae Kwan Cha, Dae‐Hyun Kim, Jun Lee, Soo Joo Lee, Youngchai Ko, Jong‐Moo Park, Kyusik Kang, Yong‐Jin Cho, Keun‐Sik Hong, Ki‐Hyun Cho, Tags: Panorama Source Type: research

Impaired perfusion modifies the relationship between blood pressure and stroke risk in major cerebral artery disease
Conclusions Impaired perfusion modified the relationship between blood pressure and stroke risk, although this study had limitations including the retrospective analysis, the potentially biased sample, the small number of critical events and the fact that BP was measured only as a snapshot in clinic.
Source: Journal of Neurology, Neurosurgery and Psychiatry - October 9, 2013 Category: Neurosurgery Authors: Yamauchi, H., Higashi, T., Kagawa, S., Kishibe, Y., Takahashi, M. Tags: Open access, Stroke, Hypertension, Radiology, Radiology (diagnostics) Cerebrovascular disease Source Type: research

Enhancing cerebral perfusion with external counterpulsation after ischaemic stroke: how long does it last?
Conclusions Blood pressure elevation persists throughout ECP treatment, which consists of 35 sessions. However, cerebral blood flow augmentation may last at least 3 weeks and then appears to return to baseline 1 month after acute stroke onset.
Source: Journal of Neurology, Neurosurgery and Psychiatry - April 13, 2016 Category: Neurosurgery Authors: Xiong, L., Lin, W., Han, J., Chen, X., Leung, T., Soo, Y., Wong, K. S. Tags: Stroke, Hypertension Cerebrovascular disease Source Type: research

Central Noradrenergic Agonists in the Treatment of Ischemic Stroke —an Overview
AbstractIschemic stroke is the leading cause of morbidity and mortality with a significant health burden worldwide and few treatment options. Among the short- and long-term effects of ischemic stroke is the cardiovascular sympathetic autonomic dysfunction, presented in part as the by-product of the ischemic damage to the noradrenergic centers of the brain. Unlike high levels in the plasma, the brain may face suboptimal levels of norepinephrine (NE), with adverse effects on the clinical and functional outcomes of ischemic stroke. The intravenous administration of NE and other sympathomimetic agents, in an attempt to increas...
Source: Translational Stroke Research - July 19, 2019 Category: Neurology Source Type: research

Safety and Effectiveness of Endovascular Treatment after 6 Hours of Symptom Onset in Patients with Anterior Circulation Ischemic Stroke: A Matched Case Control Study
Conclusions: We did not observe any evidence of benefit in halting neurologic worsening or improving outcomes among patients undergoing endovascular treatment for treatment of an anterior circulation ischemic stroke after 6 hours of symptom onset. Strong evidence of both the safety and efficacy of emergent endovascular treatment when administered to patients with stroke in the anterior circulation is needed.
Source: Journal of Stroke and Cerebrovascular Diseases - October 24, 2012 Category: Neurology Authors: Adnan I. Qureshi, Jefferson T. Miley, Saqib A. Chaudhry, Edouard Semaan, Gustavo J. Rodriguez, M.Fareed K. Suri, Harold P. Adams Tags: Original Articles Source Type: research

Change in CSF Dynamics Responsible for ICP Elevation After Ischemic Stroke in Rats: a New Mechanism for Unexplained END?
AbstractIt has been proposed that intracranial pressure (ICP) elevation and collateral failure are responsible for unexplained early neurological deterioration (END) in stroke. The study ’s aims were to investigate whether cerebral spinal fluid (CSF) dynamics, rather than edema, are responsible for elevation of ICP after ischemic stroke. Permanent middle cerebral artery occlusion (pMCAO) was induced with an intraluminal filament. At 24 h after stroke, baseline ICP was measured an d CSF dynamics were probed via a steady-state infusion method. Diffusion-weighted imaging (DWI) and T2-weighted magnetic resonance imaging wer...
Source: Translational Stroke Research - August 14, 2019 Category: Neurology Source Type: research

Effects of Acute Stroke Serum on Non-Ischemic Cerebral and Mesenteric Vascular Function
Abstract We investigated the effects of circulating factors in serum obtained from patients in the acute phase of different subtypes of ischemic stroke on non-ischemic cerebral and mesenteric arteries, as a potential mechanism involved in influencing regional perfusion and thus clinical evolution. Posterior cerebral arteries (PCAs) and mesentery arteries (MAs) isolated from Wistar Kyoto rats were perfused with serum from acute stroke patients with large vessel disease without (LVD) or with hypertension (LVD + HTN), cardioembolism with hypertension (CE + HTN), or physiologic saline as controls. Myogenic act...
Source: Translational Stroke Research - January 26, 2016 Category: Neurology Source Type: research

Intervention Stroke Assessment Scale for Eligibility in Endovascular Therapy (ISAS-ET) (P4.213)
Conclusion:In conclusion, the ISAS scoring system might help with the assessment of patient qualification for further endovascular treatment. Further prospective studies are warranted.Disclosure: Dr. Haitham has nothing to disclose. Dr. Bashir has nothing to disclose. Dr. Hussain has nothing to disclose. Dr. Misthal has nothing to disclose. Dr. Moussavi has nothing to disclose. Dr. Kirmani has nothing to disclose.
Source: Neurology - April 9, 2014 Category: Neurology Authors: Haitham, D., Bashir, A., Hussain, M., Misthal, S., Moussavi, M., Kirmani, J. Tags: Cerebrovascular Disease and Interventional Neurology: Acute Stroke Endovascular Source Type: research

Pial Collateral Reactivity During Hypertension and Aging: Understanding the Function of Collaterals for Stroke Therapy Basic Sciences
Conclusions— This study shows for the first time that LMAs from young and aged SHR are vasoconstricted and have impaired vasodilatory responses that may contribute to greater perfusion deficit and little penumbral tissue. These results also suggest that therapeutic opening of pial collaterals is possible during middle cerebral artery occlusion to create penumbral tissue and prevent infarct expansion.
Source: Stroke - May 22, 2016 Category: Neurology Authors: Chan, S.-L., Sweet, J. G., Bishop, N., Cipolla, M. J. Tags: Animal Models of Human Disease, Endothelium/Vascular Type/Nitric Oxide, Vascular Biology, Cerebrovascular Disease/Stroke, Ischemic Stroke Basic Sciences Source Type: research

Postreperfusion Blood Pressure Variability After Endovascular Thrombectomy Affects Outcomes in Acute Ischemic Stroke Patients With Poor Collateral Circulation
Conclusion: Postreperfusion BP management by decreasing BPV may have influence on improving clinical outcome in cases of poor collateral circulation among patients achieving successful recanalization after ERT. Introduction Endovascular recanalization therapy (ERT) has been adopted as standard stroke care in patients with acute ischemic stroke (1–6). Time to recanalization and degree of recanalization are the most important predictors of clinical outcomes after ERT (7). Before recanalization, an effort to reduce the time from symptom onset to reperfusion is critical for penumbral salvage. After recanalization...
Source: Frontiers in Neurology - April 11, 2019 Category: Neurology Source Type: research

Conveniently-Grasped Field Assessment Stroke Triage (CG-FAST): A Modified Scale to Detect Large Vessel Occlusion Stroke
Conclusions: CG-FAST scale could be an effective and simple scale for accurate identification of LVOS among AIS patients. Introduction Large vessel occlusion stroke (LVOS) often leads to severe disability and mortality. Although endovascular therapy (EVT) has been proved to be effective for LVOS patients (1–9), especially in anterior circulation, its benefit is highly time-dependent (10, 11). As hospitals with around-the-clock endovascular capability are scarce in many parts of the world and patients admitted directly to a CSC would have better outcomes than those receiving drip and ship treatment (12, 13), t...
Source: Frontiers in Neurology - April 16, 2019 Category: Neurology Source Type: research

Influence of Sex on Stroke Prognosis: A Demographic, Clinical, and Molecular Analysis
Conclusion Our data suggest that women who suffer from IS present with a poorer functional outcome than men at 3-months, regardless of other preclinical and clinical factors during the acute phase. These relationships seem to be mediated by atrial dysfunction and inflammation. The inflammatory response is slightly higher in women; however, there are no sex differences in their functional behavior. There is a probable relationship between the molecular marker of atrial dysfunction NT-proBNP and worse functional outcome in women, and the connection seems to be more important in cardioembolic stroke patients. In patients wi...
Source: Frontiers in Neurology - April 16, 2019 Category: Neurology Source Type: research

Cerebral autoregulation is heterogeneous in different stroke mechanism of ischemic stroke caused by intracranial atherosclerotic stenosis
ConclusionIn IS patients, CA was impaired heterogeneously and was correlated with different risk factors in varied stroke mechanism. CA can be as an informative determinant of stroke risk in patients with ICAS and to help improving individualized treatment strategies in the presence of ischemic stroke caused by ICAS.
Source: Brain and Behavior - October 23, 2020 Category: Neurology Authors: Ge Tian, Zhong Ji, Zhenzhou Lin, Suyue Pan, Jia Yin Tags: ORIGINAL RESEARCH Source Type: research

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