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Source: Blood
Condition: Thrombosis
Education: Study
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Total 63 results found since Jan 2013.
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
A genome-wide association study identifies new loci for factor VII and implicates factor VII in ischemic stroke etiology
Factor VII (FVII) is an important component of the coagulation cascade. Few genetic loci regulating FVII activity and/or levels have been discovered to date. We conducted a meta-analysis of 9 genome-wide association studies of plasma FVII levels (7 FVII activity and 2 FVII antigen) among 27 495 participants of European and African ancestry. Each study performed ancestry-specific association analyses. Inverse variance weighted meta-analysis was performed within each ancestry group and then combined for a trans-ancestry meta-analysis. Our primary analysis included the 7 studies that measured FVII activity, and a secondary an...
Source: Blood - February 28, 2019 Category: Hematology Authors: de Vries, P. S., Sabater-Lleal, M., Huffman, J. E., Marten, J., Song, C., Pankratz, N., Bartz, T. M., de Haan, H. G., Delgado, G. E., Eicher, J. D., Martinez-Perez, A., Ward-Caviness, C. K., Brody, J. A., Chen, M.-H., de Maat, M. P. M., Franberg, M., Gill Tags: Thrombosis and Hemostasis Source Type: research
Arterial thromboembolic events preceding the diagnosis of cancer in older persons
In conclusion, the risk of arterial thromboembolic events begins to increase 150 days before the date of cancer diagnosis in older persons and peaks in the 30 days before.
Source: Blood - February 21, 2019 Category: Hematology Authors: Navi, B. B., Reiner, A. S., Kamel, H., Iadecola, C., Okin, P. M., Tagawa, S. T., Panageas, K. S., DeAngelis, L. M. Tags: Plenary Papers, Free Research Articles, Thrombosis and Hemostasis, Clinical Trials and Observations Source Type: research
The Incidence of Thromboembolism for Lenalidomide Versus Thalidomide in Older Patients with Newly Diagnosed Multiple Myeloma
Conclusion: In this propensity score weighted study of older patients with newly diagnosed MM, the cumulative incidences of VTE and ATE were similarly high in both lenalidomide- and thalidomide-treatment groups. The lack of difference in overall survival should be interpreted with caution as residual confounding such as severity of disease could influence this outcome. Our results suggest that appropriate risk stratification and vigilant thromboprophylaxis remain essential for MM patients receiving all types of immunomodulatory drugs.DisclosuresGarcia: Retham Technologies LLC: Consultancy; Shingoi: Consultancy; Portola: Re...
Source: Blood - November 21, 2018 Category: Hematology Authors: Li, A., Wu, Q. V., Warnick, G., Libby, E. N., Garcia, D. A., Lyman, G. H. Tags: 901. Health Services Research-Non-Malignant Conditions: Thrombosis and Anticoagulation Source Type: research
Burden of Hospital Readmissions for Venous Thromboembolism Among Patients with Cancer
Conclusions: In this real-world study, many patients hospitalized for cancer experienced a VTE event requiring re-hospitalization, which was the highest proportion of readmitted patients among acute medical illnesses analyzed in this study, with almost 30% readmitted within 30 days of post-discharge. Total costs of readmissions were substantial, as high as $41K for resubmissions due to primary diagnosis of DVT/PE. Improvement in VTE prophylaxis for patients with cancer may reduce the risk and frequency of VTE, and thus hospital readmissions, reducing the clinical and economic burden of VTE in this patient population.Sponso...
Source: Blood - November 21, 2018 Category: Hematology Authors: Amin, A. J., Deitelzweig, S., Lin, J., Lingohr-Smith, M., Menges, B., Neuman, W. R. Tags: 901. Health Services Research-Non-Malignant Conditions: Thrombosis and Anticoagulation Source Type: research
Variable Clinical Presentation of Congenital Thrombotic Thrombocytopenic Purpura in a Large Cohort of Patients Carrying a New Mutation in the CUB1 Domain of ADAMTS13 Gene
Conclusion:To the best of our knowledge, this is one of the largest congenital TTP cohorts described in the literature. This cohort is unique due to the fact that all members carry the same, previously unreported, ADAMTS13 gene mutation in the CUB1 domain of the gene. Our findings support an assumption that environmental and hereditary modifiers may influence disease course. Further research of the involved families may enable us to expand the understanding of the pathophysiology and develop better treatment options for this understudied rare condition.DisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Pikovsky, O., Arafat, M., Ovadia, H., Sharoni, Y., Al-Athamen, K., Kanengisser-Pines, B., Keren-Politansky, A., Levi, I., Parvari, R., Rabinovich, A. Tags: 311. Disorders of Platelet Number or Function: Poster I Source Type: research
Risk Factors and Manageability of the Mainly Mild Mucocutaneous Bleeding Profile Observed in Attp Patients Treated with Caplacizumab during the Phase III Hercules Study
Conclusions: The safety profile of caplacizumab was favorable. In line with its pharmacology, treatment with caplacizumab was associated with an increased risk of mucocutaneous bleeding. These events were generally mild to moderate, and the majority did not require therapeutic intervention. While the number of patients receiving DOACs was low, no increased risk for bleeding with antithrombotic therapy was observed.DisclosuresCataland: Alexion: Research Funding; Shire: Consultancy; Ablynx: Consultancy, Other: Member of Advisory Board. Scully: Novartis: Honoraria, Other: Member of Advisory Board, Speakers Bureau. Peyvandi: N...
Source: Blood - November 21, 2018 Category: Hematology Authors: Cataland, S. R., Scully, M., Peyvandi, F., Coppo, P., Knobl, P., Kremer Hovinga, J. A., Metjian, A., De La Rubia, J., Pavenski, K., Minkue, J., Sousa, R. P., Callewaert, F., De Winter, H. Tags: 311. Disorders of Platelet Number or Function: Poster I Source Type: research
NOAC Therapy Is Also Effective and Safe in Patients Older Than 80 Years -- Results of the Prospective Dresden NOAC Registry (NCT01588119)
Conclusions: During long-term FU of more than 2.5 years, this very old population of NOAC recipients demonstrated low rates of cardiovascular or major bleeding complications during active NOAC therapy. Approximately one quarter of the study population died during follow-up, with cardiovascular events being the leading cause of death. Only 11 fatal bleeding events were observed; however, most of the 58 fatal thromboembolic events occurred after anticoagulation was discontinued. This indicates that continued anticoagulation with NOACs may result in a beneficial risk-benefit ratio also in very old patients.DisclosuresBeyer-We...
Source: Blood - November 21, 2018 Category: Hematology Authors: Beyer-Westendorf, J., Tittl, L., Naue, C., Marten, S. Tags: 332. Antithrombotic Therapy: Management of Challenging Patients and Scenarios Source Type: research
Efficacy and Safety of Direct Oral Factor Xa Inhibitors in 795 Morbidly Obese Patients
Conclusions: Our study is the largest study examining morbidly obese patients on DOACS and provides further evidence of comparable efficacy and safety of the direct oral anti-Xa inhibitors, compared to warfarin, in morbidly obese patients with AF and VTE.DisclosuresKushnir: Janssen: Research Funding. Billett: Bayer: Consultancy; Janssen: Research Funding.
Source: Blood - November 21, 2018 Category: Hematology Authors: Kushnir, M., Choi, Y., Eisenberg, R., Rao, D., Tolu, S., Gao, J., Mowrey, W., Billett, H. H. Tags: 332. Antithrombotic Therapy: Management of Challenging Patients and Scenarios Source Type: research
Rivaroxaban Thromboprophylaxis in High-Risk Ambulatory Cancer Patients Receiving Systemic Therapy: Results of a Randomized Clinical Trial (CASSINI)
Conclusions: Rivaroxaban significantly reduced VTE and VTE-related death during the on-treatment period but not during the full study period; over one-third of events occurred post discontinuation of study drug. The incidence of major bleeding was low. The Khorana risk score cut-off of ≥2 identified cancer patients at high risk of thrombotic events both at baseline (4.53%) and during study (8.79% with additional 1.66% arterial events in placebo group). These results should inform future recommendations regarding thromboprophylaxis in at-risk ambulatory cancer patients.(Funded by Janssen; ClinicalTrials.gov number, NCT02...
Source: Blood - November 21, 2018 Category: Hematology Authors: Khorana, A. A., Soff, G. A., Kakkar, A. K., Vadhan-Raj, S., Riess, H., Wun, T., Streiff, M. B., Garcia, D. A., Liebman, H. A., Belani, C., O'Reilly, E. M., Patel, J. N., Yimer, H. A., Wildgoose, P., Burton, P., Vijapurkar, U., Kaul, S., Eikelboom, J., McB Tags: Late-Breaking Abstracts Session Source Type: research
Prospective Study of Apixaban for Primary Prevention of Venous Thromboembolism in Patients with Multiple Myeloma Receiving Immunomodulatory Therapy
ConclusionsIn this pilot study of 50 patients, low-dose apixaban was safe and well tolerated as thromboprophylaxis for patients with MM receiving IMiDs. No patients experienced VTE, major hemorrhage, stroke, or MI. Further randomized studies are needed to validate apixaban as a standard primary prevention anti-thrombotic strategy for patients with MM receiving IMiDs.DisclosuresMoslehi: Bristol-Myers Squibb: Consultancy, Research Funding. Jagasia: Incyte Corporation: Membership on an entity's Board of Directors or advisory committees.
Source: Blood - November 21, 2018 Category: Hematology Authors: Cornell, R. F., Goldhaber, S. Z., Engelhardt, B. G., Moslehi, J., Jagasia, M., Patton, D., Harrell, S. L., Hall, R. L., Wyatt, H., Piazza, G. Tags: 332. Antithrombotic Therapy: Poster I Source Type: research
Replacing PT-INR Monitoring of Warfarin with Fiix-NR in Clinical Practice Reduces Thromboembolism without Increasing Bleeding Despite Reduced Number of Dose Adjustments
Conclusions: These results are in agreement with the results of the Fiix-trial and show that ignoring factor VII during VKA monitoring is safe and leads to reduction in thromboembolism without increasing bleeding. Although TTR was identical in both groups, the dose adjustment need was reduced possibly indicating that less anticoagulation variability in the Fiix-NR group explains reduced thromboembolism.FigureDisclosuresGudmundsdottir: Hart Biologicals Ltd: Consultancy, Patents & Royalties: Hart Biologicals Ltd is commercializing the Fiix-PT which will be ready for marketing in Europe in the beginning of year 2019 and p...
Source: Blood - November 21, 2018 Category: Hematology Authors: Oskarsdottir, A. R., Gudmundsdottir, B. R., Onundarson, P. T. Tags: 332. Antithrombotic Therapy: Poster I Source Type: research
Clinical, Laboratory, and Genetic Risk Factors for Thrombosis in Sickle Cell Disease
In conclusion, thrombotic events are common, occurring in 18% of SCD patients over a 10-year follow-up period. HbSS/Sβ0-thalassemia, frequent hospitalizations, kidney disease, and higher systolic blood pressures and AST concentrations were risk factors for thrombosis. Genome-wide marker array analysis points to a potential role of thrombomodulin in SCD-related thrombotic events based on replicated risk variants in THBD. Future studies integrating clinical, laboratory and genetic risk factors may improve our understanding for thrombosis and guide intervention practices in SCD.DisclosuresNo relevant conflicts of interest to declare.
Source: Blood - November 21, 2018 Category: Hematology Authors: Srisuwananukorn, A., Raslan, R., Zhang, X., Shah, B. N., Han, J., Gowhari, M., Jain, S., Molokie, R. E., Gordeuk, V. R., Saraf, S. L. Tags: 114. Hemoglobinopathies, Excluding Thalassemia-Clinical: Organ Damage and Clinical Complications in Sickle Cell Disease Source Type: research
Incidence of Bleeding in Patients with Sickle Cell Disease: A Population Based Study
Conclusion:The findings from our study indicate that SCD patients have a high cumulative incidence of bleeding. While the increased incidence of intracranial, urological, and retinal bleeding has been previously described and are confirmed here, we present the novel finding that SCD patients also have a high incidence of GI bleeding, the majority of which are from an upper GI source. The association of hemorrhagic stroke with a history of ischemic stroke is also confirmed. The association of bleeding with VTE is likely due, at least in part, to anticoagulation. Further studies on the causes and risk factors for GI bleeding...
Source: Blood - November 21, 2018 Category: Hematology Authors: Hariharan, N., Brunson, A. M., Keegan, T. H. M., Wun, T. Tags: 114. Hemoglobinopathies, Excluding Thalassemia-Clinical: Organ Damage and Clinical Complications in Sickle Cell Disease Source Type: research
Regulatory Genetic Variation at the S100B Gene Associates with Vaso-Occlusive Manifestations in Sickle Cell Disease
In sickle cell disease (SCD) polymerization of hemoglobin S under deoxygenated conditions causes vaso-occlusion, which can manifest as acute pain crisis and progressive bone/organ damage. Molecular studies have attributed vaso-occlusion to elevated vascular adhesion and inflammatory responses, whereas the genetic regulation has only recently been assessed.Genomic DNA isolated from peripheral blood mononuclear cells (PBMCs) was hybridized to Illumina Human 610-Quad SNP array for the PUSH and Walk-PHaSST cohorts and to Affrymetrix SNP 6.0 array for the Howard SCD expression cohort. Single nucleotide polymorphisms (SNPs) for ...
Source: Blood - November 21, 2018 Category: Hematology Authors: Zhang, X., Zhang, W., Saraf, S. L., Nekhai, S., Gladwin, M. T., Machado, R., Gordeuk, V. R. Tags: 113. Hemoglobinopathies, Excluding Thalassemia-Basic and Translational Science: Poster I Source Type: research
