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Specialty: Hematology
Condition: Thrombosis
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Total 1625 results found since Jan 2013.
The prediction of postoperative stroke or death in patients with preoperative atrial fibrillation undergoing non-cardiac surgery: a VISION sub-study.
CONCLUSIONS: In AF patients, the 3 thromboembolic risk scores performed similarly to the RCRI in predicting death within 30 days and the CHADS2 score was the best predictor of postoperative stroke/death regardless of type of surgery. This article is protected by copyright. All rights reserved.
PMID: 26270168 [PubMed - as supplied by publisher]
Source: Thrombosis and Haemostasis - August 13, 2015 Category: Hematology Authors: McAlister FA, Jacka M, Graham M, Youngson E, Cembrowski G, Bagshaw SM, Pannu N, Townsend DR, Srinathan S, Alonso-Coello P, Devereaux PJ Tags: J Thromb Haemost Source Type: research
Coagulation factor XII genetic variation, ex vivo thrombin generation, and stroke risk in the elderly: results from the Cardiovascular Health Study
ConclusionsThese results support the importance of contact activation pathway‐dependent TG as a risk factor for ischemic stroke and indicate the importance of F12 SNPs on TG ex vivo and in vivo.This article is protected by copyright. All rights reserved.
Source: Journal of Thrombosis and Haemostasis - August 1, 2015 Category: Hematology Authors: N. C. Olson, S. Butenas, L. A. Lange, E. M. Lange, M. Cushman, N. S. Jenny, J. Walston, J. C. Souto, J. M. Soria, G. Chauhan, S. Debette, W.T. Longstreth, S. Seshadri, A.P. Reiner, R. P. Tracy Tags: Original Article ‐ Coagulation Source Type: research
A case-based approach to implementing guidelines for stroke prevention in patients with atrial fibrillation: balancing the risks and benefits
Atrial fibrillation (AF) puts patients at risk of complications, including stroke. Warfarin therapy has been the mainstay of antithrombotic treatment for reducing the risk of stroke in AF. However, warfarin has limitations that have motivated development of several novel oral anticoagulants (NOACs), including dabigatran, rivaroxaban, apixaban, and edoxaban. Clinical trials demonstrate that the NOACs offer efficacy and safety that are equivalent to, or better than, those of warfarin for reducing the risk of stroke in patients with nonvalvular AF. This review examines stroke risk reduction in patients with AF from the perspe...
Source: Thrombosis Journal - August 21, 2015 Category: Hematology Authors: Alpesh AminSteven Deitelzweig Source Type: research
Coagulation factor XII genetic variation, ex vivo thrombin generation, and stroke risk in the elderly: results from the Cardiovascular Health Study
ConclusionsThese results support the importance of contact activation pathway‐dependent TG as a risk factor for ischemic stroke, and indicate the importance of F12 SNPs for TG ex vivo and in vivo.
Source: Journal of Thrombosis and Haemostasis - September 14, 2015 Category: Hematology Authors: N. C. Olson, S. Butenas, L. A. Lange, E. M. Lange, M. Cushman, N. S. Jenny, J. Walston, J. C. Souto, J. M. Soria, G. Chauhan, S. Debette, W. T. Longstreth, S. Seshadri, A. P. Reiner, R. P. Tracy Tags: Original Article Source Type: research
Platelet Reactivity in Patients With Stroke and Hyperlipidemia, GPIb{alpha} Assessment
The aim of this study was to assess platelet reactivity in patients after ischemic stroke and to investigate the influence of hyperlipidemia (HL) on platelet activity markers. A total of 41 patients after ischemic stroke were divided into the following 2 groups: patients with HL and patients with normolipidemia. Expression of CD42b on resting, thrombin-activated blood platelets, and fibrinogen level was assessed. The CD42b-positive platelets were analyzed using the flow cytometer, anti-CD61, and anti-CD42b monoclonal antibodies. The results confirmed increased platelet reactivity to thrombin in all patients after ischemic ...
Source: Clinical and Applied Thrombosis/Hemostasis - February 2, 2016 Category: Hematology Authors: Pawelczyk, M., Chmielewski, H., Kaczorowska, B., Przybyła, M., Baj, Z. Tags: Original Articles Source Type: research
Effect of anticoagulation on cardioembolic stroke severity, outcomes and response to intravenous thrombolysis
In this study, OAC are not related with response to IVT.
Source: Journal of Thrombosis and Thrombolysis - February 9, 2016 Category: Hematology Source Type: research
Plasma L5 levels are elevated in ischemic stroke patients and enhance platelet aggregation
L5, the most electronegative and atherogenic subfraction of low-density lipoprotein (LDL), induces platelet activation. We hypothesized that plasma L5 levels are increased in acute ischemic stroke patients and examined whether lectin-like oxidized LDL receptor-1 (LOX-1), the receptor for L5 on endothelial cells and platelets, plays a critical role in stroke. Because amyloid β (Aβ) stimulates platelet aggregation, we studied whether L5 and Aβ function synergistically to induce prothrombotic pathways leading to stroke. Levels of plasma L5, serum Aβ, and platelet LOX-1 expression were significantly higher ...
Source: Blood - March 10, 2016 Category: Hematology Authors: Shen, M.-Y., Chen, F.-Y., Hsu, J.-F., Fu, R.-H., Chang, C.-M., Chang, C.-T., Liu, C.-H., Wu, J.-R., Lee, A.-S., Chan, H.-C., Sheu, J.-R., Lin, S.-Z., Shyu, W.-C., Sawamura, T., Chang, K.-C., Hsu, C. Y., Chen, C.-H. Tags: Free Research Articles, Platelets and Thrombopoiesis, Thrombosis and Hemostasis Source Type: research
ADAMTS13-mediated thrombolysis of t-PA-resistant occlusions in ischemic stroke in mice
Rapid vascular recanalization forms the basis for successful treatment of cerebral ischemia. Currently, tissue plasminogen activator (t-PA) is the only approved thrombolytic drug for ischemic stroke. However, t-PA does not always result in efficient thrombus dissolution and subsequent blood vessel recanalization. To better understand thrombus composition, we analyzed thrombi retrieved from ischemic stroke patients and found a distinct presence of von Willebrand factor (VWF) in various samples. Thrombi contained on average 20.3% ± 10.1% VWF, and this was inversely correlated with thrombus red blood cell content. We h...
Source: Blood - May 11, 2016 Category: Hematology Authors: Denorme, F., Langhauser, F., Desender, L., Vandenbulcke, A., Rottensteiner, H., Plaimauer, B., Francois, O., Andersson, T., Deckmyn, H., Scheiflinger, F., Kleinschnitz, C., Vanhoorelbeke, K., De Meyer, S. F. Tags: Thrombosis and Hemostasis Source Type: research
α2-Antiplasmin: New Insights and Opportunities for Ischemic Stroke
Semin Thromb HemostDOI: 10.1055/s-0036-1585077Thrombotic vascular occlusion is the leading cause of ischemic stroke. High blood levels of α2-antiplasmin (a2AP), an ultrafast, covalent inhibitor of plasmin, have been linked in humans to increased risk of ischemic stroke and failure of tissue plasminogen activator (tPA) therapy. Consistent with these observations, a2AP neutralizes the therapeutic benefit of tPA therapy in experimental stroke. In addition, a2AP has deleterious, dose-related effects on ischemic brain injury in the absence of therapy. Experimental therapeutic inactivation of a2AP markedly reduces microvascular...
Source: Seminars in Thrombosis and Hemostasis - July 28, 2016 Category: Hematology Authors: Reed, Guy L. Houng, Aiilyan K. Singh, Satish Wang, Dong Tags: Review Article Source Type: research
Endovascular Stroke Therapy
Semin Thromb Hemost DOI: 10.1055/s-0037-1603984Acute ischemic stroke therapy has rapidly evolved over the past two decades. Recently, a paradigm shift has occurred in the treatment of acute ischemic stroke due to large vessel occlusion with the publication of several randomized trials proving that mechanical thrombectomy with stent retriever devices improves clinical outcome in comparison to intravenous thrombolysis. Furthermore, pooled data from the clinical trials suggest that mechanical thrombectomy can improve outcome in a broad range of patients, and that the sooner the intervention can be performed, the greater the b...
Source: Seminars in Thrombosis and Hemostasis - July 27, 2017 Category: Hematology Authors: Caganap, Scott D. Smith, Wade S. Tags: Review Article Source Type: research
Recurrent Stroke: The Role of Thrombophilia in a Large International Pediatric Stroke Population
CONCLUSIONS:Identifying children at increased for recurrent AIS events is important in intensifying preventative measures. Among 894 Canadian, English and German pediatric stroke patients, 17.9% experienced recurrent AIS at a median of 3.1 months after the index stroke. The presence of more than one prothrombotic risk factor is associated with AIS recurrence in childrenDisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Deveber, G., Kirkham, F. J., Shannon, K., Brandao, L. R., Strater, R., Kenet, G., Clausnizer, H., Moharir, M., Kausch, M., Askalan, R., MacGregor, D., Stoll, M., Torge, A., Dlamini, N., Ganesan, V., Prengler, M., Singh, J., Nowak Goettl, U. Tags: 331. Pathophysiology of Thrombosis: Poster III Source Type: research
The relationship between the prognosis of children with acute arterial stroke and polymorphisms of CDKN2B, HDAC9, NINJ2, NAA25 genes
AbstractIschemic stroke is a significant health condition, whose frequency in childhood is increasing day by day. Although many factors are effective in development of the stroke, it has been showed that individuals having risk factors have a genetic predisposition. The aim of the study is to determine whether distinct genetic mutations are risk factors for children with history of ischemic stroke. Our sample data is taken from 58 patients (29 male and 29 female) who applied our hospital between 2012 and 2016 with diagnosis of acute or chronic arterial stroke and from 70 healthy children (32 male and 38 female) with simila...
Source: Journal of Thrombosis and Thrombolysis - January 17, 2019 Category: Hematology Source Type: research
Reduced ADAMTS13 activity during TTP remission is associated with stroke in TTP survivors
In conclusion, stroke is common after recovery from TTP and is associated with reduced ADAMTS13 activity during remission.
Source: Blood - September 25, 2019 Category: Hematology Authors: Upreti, H., Kasmani, J., Dane, K., Braunstein, E. M., Streiff, M. B., Shanbhag, S., Moliterno, A. R., Sperati, C. J., Gottesman, R. F., Brodsky, R. A., Kickler, T. S., Chaturvedi, S. Tags: Thrombosis and Hemostasis, Clinical Trials and Observations Source Type: research
Modified diffusion-weighted imaging-Alberta Stroke Program Early Computed Tomography Score including deep white matter lesions predicts symptomatic intracerebral hemorrhage following intravenous thrombolysis
AbstractThe Alberta Stroke Program Early Computed Tomography Score (ASPECTS) is widely used for the assessment of early ischemic changes (EICs) before thrombolysis. However, for symptomatic intracerebral hemorrhage (sICH) following intravenous recombinant tissue plasminogen activator (rt-PA), the prediction abilities of CT-ASPECTS, diffusion-weighted imaging (DWI)-ASPECTS, and DWI-ASPECTS including EICs in deep white matter (DWI-ASPECTS + W) are unclear. We investigated associations between each score and sICH following intravenous rt-PA. Data from consecutive patients who received intravenous rt-PA for acute ischemic...
Source: Journal of Thrombosis and Thrombolysis - November 18, 2019 Category: Hematology Source Type: research
An unusual cause of acute ischemic stroke: Adult Onset Still ’s Disease
We present a case where acute ischemic stroke secondary to a floating internal carotid artery thrombus was an early manifestation of AOSD. The patient also had prolonged high spiking fevers, sign ificant leucocytosis, arthralgias and transaminitis. He responded well to a high dose of oral corticosteroids and was eventually started on anticoagulation for secondary stroke prevention. To our knowledge, this is the first described case of arterial thrombosis associated with AOSD. We postulate th at thrombocytosis, vasculitis and hypercoagulability from the underlying inflammatory state may have contributed to the ischemic stroke.
Source: Journal of Thrombosis and Thrombolysis - December 1, 2019 Category: Hematology Source Type: research
