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Total 8544 results found since Jan 2013.

Diabetes Mellitus Impairs Cognitive Function in Middle-Aged Rats and Neurological Recovery in Middle-Aged Rats After Stroke Basic Sciences
Conclusions— Our data suggest that DM exacerbates neurovascular damage and hinders brain repair processes, which likely contribute to the impairment of stroke recovery.
Source: Stroke - July 24, 2016 Category: Neurology Authors: Zhang, L., Chopp, M., Zhang, Y., Xiong, Y., Li, C., Sadry, N., Rhaleb, I., Lu, M., Zhang, Z. G. Tags: Basic Science Research, Cognitive Impairment, Neurogenesis Basic Sciences Source Type: research

Preclinical Validation of the Therapeutic Potential of Glasgow Oxygen Level Dependent (GOLD) Technology: a Theranostic for Acute Stroke
AbstractIn acute stroke patients, penumbral tissue is non-functioning but potentially salvageable within a time window of variable duration and represents target tissue for rescue. Reperfusion by thrombolysis and/or thrombectomy can rescue penumbra and improve stroke outcomes, but these treatments are currently available to a minority of patients. In addition to the utility of Glasgow Oxygen Level Dependent (GOLD) as an MRI contrast capable of detecting penumbra, its constituent perfluorocarbon (PFC) oxygen carrier, combined with normobaric hyperoxia, also represents a potential acute stroke treatment through improved oxyg...
Source: Translational Stroke Research - November 30, 2018 Category: Neurology Source Type: research

Effects of the New Thrombolytic Compound LT3001 on Acute Brain Tissue Damage After Focal Embolic Stroke in Rats
In this study, we tested the effects of LT3001 as a potential alternative thrombolytic in focal embolic ischemic stroke rat model. Stroked rats received intravenous injection of 10  mg/kg LT3001 or tPA at 1.5, 3, or 4.5 h after stroke, respectively, and the outcomes were measured at different time points after stroke by performing multi-parametric MRI, 2,3,5-triphenyltetrazolium chloride (TTC) staining, and modified neurological severity score. Lastly, we assessed the effect of LT3001 on the tPA activity in vitro, the international normalized ratio (INR), and the serum levels of active tPA and plasminogen activator inhib...
Source: Translational Stroke Research - November 29, 2022 Category: Neurology Source Type: research

Fingolimod Reduces Hemorrhagic Transformation Associated With Delayed Tissue Plasminogen Activator Treatment in a Mouse Thromboembolic Model Basic Sciences
Conclusion— This study confirms the protective efficacy of fingolimod as a treatment against ischemic stroke in another rodent model of stroke (thromboembolic occlusion), and suggests that fingolimod could potentially be used in combination with tPA to reduce the risk of brain hemorrhage.
Source: Stroke - January 18, 2013 Category: Neurology Authors: Campos, F., Qin, T., Castillo, J., Seo, J. H., Arai, K., Lo, E. H., Waeber, C. Tags: Acute Cerebral Infarction, Embolic stroke, Emergency treatment of Stroke, Thrombolysis, Other Stroke Treatment - Medical Basic Sciences Source Type: research

Thrombolytic Utilization in Ischemic Stroke Is Significantly Higher in US Hospitals with Neurology Residency Program (S02.006)
CONCLUSIONS: Stroke care at NR hospitals is associated with an increased thrombolytic utilization rate. The increased tPA utilization at NR between 2002-2006 may be related to the rapid increase in Primary Stroke Centers across the country.Disclosure: Dr. Moradiya has nothing to disclose. Dr. Grant has nothing to disclose. Dr. Valsamis has nothing to disclose. Dr. Levine has received personal compensation in an editorical capacity for MEDLINK.
Source: Neurology - February 14, 2013 Category: Neurology Authors: Moradiya, Y., Grant, J., Valsamis, H., Levine, S. Tags: S02 Acute Stroke Therapy Source Type: research

Fibrinogen degradation coagulopathy and bleeding complications after stroke thrombolysis
Conclusion: This study lends strong support to the concept that prominent fibrinogen turnover after IV stroke thrombolysis—a condition termed "early fibrinogen degradation coagulopathy"—is a relevant cause of major bleeding complications. Rigorous testing of more fibrin-specific thrombolytic agents in the setting of acute stroke is warranted.
Source: Neurology - March 25, 2013 Category: Neurology Authors: Matosevic, B., Knoflach, M., Werner, P., Pechlaner, R., Zangerle, A., Ruecker, M., Kirchmayr, M., Willeit, J., Kiechl, S. Tags: Other cerebrovascular disease/ Stroke, Clinical trials Observational study (Cohort, Case control) ARTICLE Source Type: research

Tissue Plasminogen Activator Thrombolytic Therapy for Acute Ischemic Stroke in 4 Hospital Groups in Japan
In October 2005 in Japan, the recombinant tissue plasminogen activator (tPA) alteplase was approved for patients with acute ischemic stroke within 3 hours of onset at a dose of 0.6 mg/kg. The present study was undertaken to assess the safety and efficacy of alteplase in Japan. Between October 2005 and December 2009, a total of 114 consecutive patients admitted to 4 hospitals received intravenous tPA within 3 hours of stroke onset. Clinical backgrounds and outcomes were investigated. The patients were divided into 2 chronological groups: an early group, comprising 45 patients treated between October 2005 and December 2007,...
Source: Journal of Stroke and Cerebrovascular Diseases - October 4, 2011 Category: Neurology Authors: Syoichiro Kono, Kentaro Deguchi, Nobutoshi Morimoto, Tomoko Kurata, Shoko Deguchi, Tohru Yamashita, Yoshio Ikeda, Tohru Matsuura, Hisashi Narai, Nobuhiko Omori, Yasuhiro Manabe, Taijyun Yunoki, Yoshiki Takao, Sanami Kawata, Kenichi Kashihara, Koji Abe Tags: Original Articles Source Type: research

Impact of Telemedicine Implementation in Thrombolytic Use for Acute Ischemic Stroke: The University of Pittsburgh Medical Center Telestroke Network Experience
Background: Intravenous thrombolysis is the only therapy for acute ischemic stroke that is approved by the US Food and Drug Association. The use of telemedicine in stroke makes it possible to bring the expertise of academic stroke centers to underserved areas, potentially increasing the quality of stroke care.Methods: All consecutive admissions for stroke were reviewed for 1 year before telemedicine implementation and for variable periods thereafter. A retrospective review identified 2588 admissions for acute stroke between March 2005 and December 2008 at 12 hospitals participating in a telestroke network, including 919 pa...
Source: Journal of Stroke and Cerebrovascular Diseases - March 13, 2013 Category: Neurology Authors: Edilberto Amorim, Min-Mei Shih, Steven A. Koehler, Lori L. Massaro, Syed F. Zaidi, Mouhammad A. Jumaa, Vivek K. Reddy, Maxim D. Hammer, Tudor G. Jovin, Lawrence R. Wechsler Tags: Original Articles 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

Processes of early stroke care and hospital costs
ConclusionsEarly care in agreement with key guidelines recommendations for the management of patients with stroke may be associated with hospital savings.
Source: International Journal of Stroke - December 19, 2013 Category: Neurology Authors: Marie Louise Svendsen, Lars H. Ehlers, Heidi H. Hundborg, Annette Ingeman, Søren P. Johnsen Tags: Research Source Type: research

Venous Thromboembolism in the Get With The Guidelines-Stroke Acute Ischemic Stroke Population: Incidence and Patterns of Prophylaxis
Conclusions: Despite a high overall rate of VTE prophylaxis, VTE was found to occur in approximately 3% of GWTG-S patients. Reported rates of VTE prophylaxis differed among hospitals by region and hospital type, and among patients by age, race, and medical comorbidities.
Source: Journal of Stroke and Cerebrovascular Diseases - December 17, 2012 Category: Neurology Authors: G. Logan Douds, Anne S. Hellkamp, DaiWai M. Olson, Gregg C. Fonarow, Eric E. Smith, Lee H. Schwamm, Kevin M. Cockroft Tags: Original Articles Source Type: research

Thrombus Density Predicts Successful Recanalization With Stent-Retriever Thrombectomy In Acute Ischemic Stroke (P4.215)
CONCLUSIONS In acute stroke treated with Solitaire stent-retriever thrombectomy, higher thrombus HU values are predictive of successful recanalization. Such information can be used in the decision-making process when estimating recanalization success rate with different endovascular treatment approaches.Disclosure: Dr. Mokin has received research support from Toshiba. Dr. Morr has nothing to disclose. Dr. Natarajan has nothing to disclose. Dr. Siddiqui has received personal compensation for activities with Codman & Shurtleff Inc., Concentric Medical, ev3/Covidien Vascular Therapies, Penumbra and Micrus Endovascular, Gu...
Source: Neurology - April 9, 2014 Category: Neurology Authors: Mokin, M., Morr, S., Natarajan, S., Siddiqui, A., Levy, E. Tags: Cerebrovascular Disease and Interventional Neurology: Acute Stroke Endovascular Source Type: research

Recurrent thromboembolic events after ischemic stroke in patients with cancer
Conclusions: Patients with acute ischemic stroke in the setting of active cancer (especially adenocarcinoma) face a substantial short-term risk of recurrent ischemic stroke and other types of thromboembolism.
Source: Neurology - June 30, 2014 Category: Neurology Authors: Navi, B. B., Singer, S., Merkler, A. E., Cheng, N. T., Stone, J. B., Kamel, H., Iadecola, C., Elkind, M. S. V., DeAngelis, L. M. Tags: All Cerebrovascular disease/Stroke, All Oncology, Cohort studies, Infarction ARTICLE Source Type: research

Predictors of Cholesterol and Lipoprotein(a) Testing in Children with Arterial Ischemic Stroke
The objective of this study is to identify predictors and modifiable barriers to lipid testing in pediatric stroke.Methods: In this cross-sectional analysis, children (28 days-18 years) with arterial ischemic stroke were identified from the International Pediatric Stroke Study registry (January 2003-April 2012). Analyzed predictors of recorded lipid or lipoprotein a (Lp(a)) testing were age, sex, race, ethnicity, body mass index (BMI) category, other stroke risk factors, country, US region, and recurrent thrombosis.Results: Among 1652 participants (median, 6 years [interquartile range, 1.7-12.7]; 59.0% male; 40.8% white;...
Source: Journal of Stroke and Cerebrovascular Diseases - September 1, 2014 Category: Neurology Authors: Sally Sultan, Nicole Schupf, Michael Dowling, Gabrielle DeVeber, Adam Kirton, Mitchell S.V. Elkind, IPSS Investigators Tags: Original Articles Source Type: research

Should minor stroke patients be thrombolyzed? A focused review and future directions
Stroke is a leading cause of morbidity and mortality worldwide. Up to 80% of ischemic stroke patients may initially present with minor symptoms. Minor stroke and transient ischemic attack patients are typically treated conservatively with antiplatelet agents and general vascular prevention strategies. Yet a high proportion develop recurrent stroke or progression of stroke and up to one in four of these patients are disabled or dead at follow‐up. Minor or rapidly improving symptoms are the top reasons for withholding thrombolytic therapy to time‐eligible stroke patients as they are believed to be ‘too good to treat’...
Source: International Journal of Stroke - December 25, 2014 Category: Neurology Authors: Amy Y. X. Yu, Michael D. Hill, Shelagh B. Coutts Tags: Review (invited) Source Type: research