Tags Archives: thrombosis

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Improved hemocompatibility of silicone rubber extracorporeal tubing via solvent swelling-impregnation of S-nitroso-N-acetylpenicillamine (SNAP) and evaluation in rabbit thrombogenicity model

Abstract Blood-contacting devices, including extracorporeal circulation (ECC) circuits, can suffer from complications due to platelet activation and thrombus formation. Development of nitric oxide (NO) releasing polymers is one method to..

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Thromboelastography—does it impact blood component transfusion in pediatric heart surgery?

Abstract Background The administration of blood products during pediatric cardiac surgery is common. We sought to determine if thromboelastography (TEG) is a cost-effective tool to reduce blood product transfusion in..

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Tethered Liquid Perfluorocarbon Coating for 72 Hour Heparin-Free Extracorporeal Life Support

Abstract Coagulopathic complications during extracorporeal life support (ECLS) result from two parallel processes: 1) foreign surface contact and shear stress during blood circulation and 2) administration of anticoagulant drugs to..

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Heparin Resistance Is Common in Patients Undergoing Extracorporeal Membrane Oxygenation but Is Not Associated with Worse Clinical Outcomes

Abstract Extracorporeal membrane oxygenation (ECMO) protocols generally require systemic anticoagulation with heparin to prevent circuit thrombosis. The prevalence, risk factors, and outcomes of heparin resistance in this setting are ill-defined. To better..

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Challenges with heparin-based anticoagulation during cardiopulmonary bypass in children: Impact of low antithrombin activity

Abstract Background  is one of the main natural  inhibitors. It is potentiated by heparin, and may be a key component of heparin response, particularly in infants aged <1 year. We sought to..

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Anticoagulation during ECMO in neonatal and paediatric patients

Abstract  (ECMO) is a form of  (ECLS) which is used frequently in the paediatric and neonatal setting to support either the pulmonary, or both the pulmonary and . Management of ECMO requires..

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Three consecutive cases of fatal intraoperative intracardiac thrombosis associated with the initiation of venoarterial extracorporeal membrane oxygenation in the presence…

Abstract Central venoarterial extracorporeal membrane oxygenation has been used since the 1970s to support patients with cardiogenic shock following cardiac surgery. Despite this, in-hospital mortality is still high, and although..

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Bleeding, Thrombosis, and Transfusion With Two Heparin Anticoagulation Protocols in Venoarterial ECMO Patients

Abstract Objective To compare the incidence of bleeding and  between adult venoarterial (VA)  (ECMO) patients managed with an  (ACT)-guided heparin  protocol and activated  (aPTT) protocol. Design . Setting Tertiary care, academic medical center...

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Chemical and pharmacological aspects of neutralization of heparins from different animal sources by protamine

Abstract Background Protamine neutralization is an essential step for the safe use and inactivation of the unfractionated heparin (UFH) that is widely employed in surgical and non-surgical procedures involving extracorporeal..

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Surgical Technique Influences HeartMate II Left Ventricular Assist Device Thrombosis

Background  of the HeartMate II (HM2 [Thoratec Corporation, Pleasanton, CA]) is a potentially devastating complication. While attention has been focused on  strategies to prevent this complication, the impact of surgical technique..

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Clinical and In Vitro Evidence That Subclinical Hemolysis Contributes to LVAD Thrombosis

Background Recent data suggest that  contributes to  (LVAD) , but the mechanism is unknown. In a clinical study, we measured plasma free hemoglobin (pfHgb) and the incidence of LVAD thrombosis. In an in..

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Case report: Intraoperative thrombosis cardiac arrest in extended right hepatectomy involving use of local haemostatic agent in intraoperative cell salvage…

Abstract Introduction In modern surgical era, local haemostatic agents and blood components such as recombinant activated factor VII (rFVIIa) have expanded surgeons’ armamentarium in controlling “surgical” and “nonsurgical bleeding”. We..

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Chemical and pharmacological aspects of neutralization of heparins from different animal sources by protamine

Abstract Background Protamine neutralization is an essential step for the safe use and inactivation of the unfractionated heparin (UFH) that is widely employed in surgical and non‐surgical procedures involving extracorporeal..

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Evidence-Based Practical Guidance for the Antithrombotic Management in Patients With Coronavirus Disease (COVID-19) in 2020

Abstract This practical guidance, endorsed by the Brazilian Society of Thrombosis and Hemostasis and The Brazilian Society of Angiology and Vascular Surgery, the International Union of Angiology and the European..

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