Tags Archives: thrombosis

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Venoarterial Extracorporeal Membrane Oxygenation Drainage Cannula Choice Impacts Flow Dynamics and Thrombosis Risk: A Computational Analysis

Abstract The drainage cannula in a venoarterial extracorporeal membrane oxygenation (VA ECMO) circuit transfers venous blood from the patient to a pump. However, drainage cannulas are prone to thrombosis, leading..

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Increased Incidence of Thrombosis in Patients at Risk of Heparin-Induced Thrombocytopenia Receiving Epoprostenol for Cardiac Surgery

Abstract Objective Heparin-induced thrombocytopenia (HIT) is a serious concern in cardiac surgery, as heparin use in the at-risk patient can lead to devastating thrombosis. Management strategies for patients with confirmed..

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Impact of different blood flow modes on hemodynamic environment, thrombosis risk and oxygen transport of oxygenators: A numerical simulation study

Abstract Background and Objective Pulsatile blood flow is considered more potential for delivering hemodynamic energy and enhancing microcirculatory perfusion in patients compared to non-pulsatile flow in ECMO. This study aims..

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Shear-induced dysregulation of haemostasis during extracorporeal membrane oxygenation: From cells to circuit

Abstract Extracorporeal membrane oxygenation (ECMO) is increasingly being utilized in critical care globally to allow for adequate oxygenation in patients with cardiac and/or respiratory failure. Unfortunately, haemostatic complications – both..

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A nitric oxide-releasing organic selenium-grafted phosphorylcholine coating for thrombosis and inflammation prevention in extracorporeal membrane oxygenation

Abstract Thrombosis and inflammation represent major challenges limiting the functionality of asymmetric poly(4-methyl-1-pentene) (PMP) hollow fiber membranes in extracorporeal membrane oxygenation (ECMO) systems. Moreover, the interplay between these two pathological..

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A nitric oxide-releasing organic selenium-grafted phosphorylcholine coating for thrombosis and inflammation prevention in extracorporeal membrane oxygenation

Abstract Thrombosis and inflammation represent major challenges limiting the functionality of asymmetric poly(4-methyl-1-pentene) (PMP) hollow fiber membranes in extracorporeal membrane oxygenation (ECMO) systems. Moreover, the interplay between these two pathological..

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Von Willebrand factor in Ecmo: a dynamic modulator of hemorrhage and thrombosis

Abstract Von Willebrand factor (vWF) orchestrates hemostasis through platelet activation, factor VIII stabilization, and inflammatory modulation, with emerging evidence highlighting its shear-dependent conformational dynamics as a critical regulator of thrombus..

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Comprehensive secondary analysis of thrombotic events in pediatric patients receiving extracorporeal membrane oxygenation: A prospective cohort study

Abstract Introduction This study aims to describe laboratory and clinical factors associated with thrombotic events during prolonged pediatric extracorporeal membrane oxygenation. Methods A secondary analysis of a multi-center prospective study..

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Comparative Analysis of Thrombosis in ECPella Patients Between Bivalirudin versus Heparin Anticoagulation Strategies

Abstract Objective To review and compare the frequency of thrombus and adverse events in patients treated with heparin or bivalirudin systemic anticoagulation strategies supported on combined venoarterial extracorporeal membrane oxygenation..

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Population-Scale Studies of Protein S Abnormalities and Thrombosis

Abstract Importance  Clinical decision-making in thrombotic disorders is impeded by long-standing uncertainty regarding the magnitude of venous and arterial thrombosis risk associated with low protein S. Population-scale multiomic datasets offer an..

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An endothelium membrane mimetic antithrombotic coating enables safer and longer extracorporeal membrane oxygenation application

Abstract Thrombosis and plasma leakage are two of the most frequent dysfunctions of polypropylene (PP) hollow fiber membrane (PPM) used in extracorporeal membrane oxygenation (ECMO) therapy. In this study, a..

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Comparison of red blood cell transfusions and hemostatic transfusions and their relation to thromboses in pediatric patients receiving extracorporeal membrane…

Abstract Objective To evaluate the association of RBC transfusions with thrombosis in pediatric patients on extracorporeal membrane oxygenation (ECMO) and compare this with the transfusion of other blood products and..

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Anti-Xa-guided Anticoagulation With Unfractionated Heparin and Thrombosis During Extracorporeal Membrane Oxygenation Support: A Systematic Review and Meta-analysis

Abstract Objective The initiation of extracorporeal membrane oxygenation (ECMO) triggers complex coagulation processes necessitating systemic anticoagulation. Therefore, anticoagulation monitoring is crucial to avoid adverse events such as thrombosis and hemorrhage...

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Cannula-Associated Deep Vein Thrombosis Following Extracorporeal Membrane Oxygenation Decannulation: Incidence and Risk Factors

Abstract Thrombotic complications during and after extracorporeal membrane oxygenation (ECMO) are commonly observed clinically. The incidences of cannula-associated deep vein thrombosis (CaDVT) post-ECMO support have predominantly focused on Caucasian demographics...

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Platelet Adhesion and Activation in an ECMO Thrombosis-on-a-Chip Model

Abstract Use of extracorporeal membrane oxygenation (ECMO) for cardiorespiratory failure remains complicated by blood clot formation (thrombosis), triggered by biomaterial surfaces and flow conditions. Thrombosis may result in ECMO circuit..

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Novel tubing connectors reduce ECMO circuit thrombosis

Abstract Background: Thrombosis within extracorporeal membrane oxygenation (ECMO) circuits is a common complication that dominates clinical management of patients receiving mechanical circulatory support. Prior studies have identified that over 80%..

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Hemorrhage and thrombosis in COVID‑19‑patients supported with extracorporeal membrane oxygenation: an international study based on the COVID‑19 critical care consortium

Abstract Background Extracorporeal membrane oxygenation (ECMO) is a rescue therapy in patients with severe acute res‑piratory distress syndrome (ARDS) secondary to COVID‑19. While bleeding and thrombosis complicate ECMO, theseevents may..

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Open-Source Image-Based Tool to Experimentally Evaluate Blood Residence Time in Clinical Devices

Abstract This article introduces an open-source tool to experimentally compare blood residence time in biomedical devices using an image-based method. The experimental setup and the postprocessing workflow are comprehensively elucidated..

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Retrospective Comparison of Recombinant Activated Factor VII Versus 4-Factor Prothrombin Complex Concentrate in Cardiac Surgical Patients

Abstract Objectives To compare the incidences of postoperative thrombotic complications, transfusion of blood products, and chest tube output in congenital cardiac surgical patients who received either recombinant activated factor VII..

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Predictors of thrombosis during VV ECMO: an analysis of 9809 patients from the ELSO registry

Abstract Venovenous extracorporeal membrane oxygenation (VV-ECMO) is a life-saving therapy for critically ill patients, but it carries an increased risk of thrombosis due to blood interacting with non-physiological surfaces. While..

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Bleeding and Thrombotic Complications in COVID-19–Associated ARDS Requiring ECMO

Abstract BACKGROUND: We analyzed bleeding and thrombotic complications in COVID-19–associated ARDS requiring extracorporeal membrane oxygenation (ECMO). METHODS: This was a single-center observational study of adult subjects undergoing ECMO for COVID-19 (n = 67)..

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Targeting the Contact Pathway of Coagulation for the Prevention and Management of Medical Device-Associated Thrombosis

Abstract Hemorrhage remains a major complication of anticoagulants, with bleeding leading to serious and even life-threatening outcomes in rare settings. Currently available anticoagulants target either multiple coagulation factors or specifically..

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Thrombolysis for ECMO oxygenator thrombosis

Abstract Although uncommon, oxygenator thrombosis in extra-corporeal membrane oxygenation (ECMO) devicesremains a potential reason for exchanging the circuit,the risk of thrombosis increases with the duration ofECMO therapy and with procoagulant..

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Outcomes of heparinized adult veno-arterial extracorporeal membrane oxygenation patients managed with low and high activated partial thromboplastin time targets: A…

Abstract Introduction There are no randomized controlled trials comparing low and high activated partial thromboplastin time (aPTT) targets in heparinized adult veno-arterial (VA) extracorporeal membrane oxygenation (ECMO) patients. Our systematic..

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Anticoagulation polyvinyl chloride extracorporeal circulation catheters for heparin-free treatment†

Abstract Extracorporeal circulation (ECC) catheters have potential to be blood compatible and could be used to prevent thrombotic occlusion. Here, we produced heparin-mimicking anticoagulation PVC tubing on a large scale..

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Targeting the contact system in a rabbit model of extracorporeal membrane oxygenation

Abstract Previous studies suggested that contact pathway factors drive thrombosis in mechanical circulation. We used a rabbit model of veno-arterial extracorporeal circulation (VA-ECMO) to evaluate the role of factors XI..

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Bleeding and thrombotic events in patients with severe COVID-19 supported with extracorporeal membrane oxygenation: a nationwide cohort study

Abstract Purpose To describe bleeding and thrombotic events and their risk factors in patients receiving extracorporeal membrane oxygenation (ECMO) for severe coronavirus disease 2019 (COVID-19) and to evaluate their impact..

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The Pathophysiology of The Antiphospholipid Syndrome: A Perspective From The Blood Coagulation System

Abstract The antiphospholipid syndrome (APS), a systemic autoimmune disease characterized by a hypercoagulability associated to vascular thrombosis and/or obstetric morbidity, is caused by the presence of antiphospholipid antibodies such as..

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Outcomes with Direct and Indirect Thrombin Inhibition during Extracorporeal Membrane Oxygenation for COVID-19

Abstract Anticoagulation during extracorporeal membrane oxygenation (ECMO) for Coronovirus Disease 2019 (COVID-19) can be performed by direct or indirect thrombin inhibitors but differences in outcomes with these agents are uncertain...

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Efficacy, Safety, and Strategies for Recombinant-Activated Factor VII in Cardiac Surgical Bleeding: A Narrative Review

Abstract As perioperative bleeding continues to be a major source of morbidity and mortality in cardiac surgery, the search continues for an ideal  for use in this patient population. Transfusion of..

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