Dynamics of fibrinolysis in a thin layer of a fibrin-agar plate containing streptokinase undergoing the action of the blood plasma enzymes taken from a healthy person was examined. A continuous recording of the area covering the lysis zone was made. The fibrinolysis process on the fibrin-ager plate is shown to proceed uniformly.
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Juntendo Iji Zasshi
December 2024
Trauma-induced coagulopathy (TIC) is characterized by dynamic changes in fibrinolysis, which can significantly impact patient outcomes. These changes typically manifest in two phases: hyperfibrinolysis followed by fibrinolysis suppression. In the early stages of TIC, there is often an overwhelming release of tissue plasminogen activator, which leads to excessive fibrinolysis.
View Article and Find Full Text PDFTransfusion
January 2025
Department of Surgery, Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
Background: Effective hemorrhage protocols prioritize immediate hemostatic resuscitation to manage hemorrhagic shock. Prehospital resuscitation using blood products, such as whole blood or alternatively dried plasma in its absence, has the potential to improve outcomes in hemorrhagic shock patients. However, integrating blood products into prehospital care poses substantial logistical challenges due to issues with storage, transport, and administration in field environments.
View Article and Find Full Text PDFMicrobiol Spectr
January 2025
Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, USA.
Unlabelled: Group A (GAS) is a major human pathogen that causes several invasive diseases including necrotizing fasciitis. The host coagulation cascade initiates fibrin clots to sequester bacteria to prevent dissemination into deeper tissues. GAS, especially skin-tropic bacterial strains, utilize specific virulence factors, plasminogen binding M-protein (PAM) and streptokinase (SK), to manipulate hemostasis and activate plasminogen to cause fibrinolysis and fibrin clot escape.
View Article and Find Full Text PDFMacromol Biosci
January 2025
Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, 12, Barcelona, 08028, Spain.
Blood-contacting medical devices, especially extracorporeal membrane oxygenators (ECMOs), are highly susceptible to surface-induced coagulation because of their extensive surface area. This can compromise device functionality and lead to life-threatening complications. High doses of anticoagulants, combined with anti-thrombogenic surface coatings, are typically employed to mitigate this risk, but such treatment can lead to hemorrhagic complications.
View Article and Find Full Text PDFJ Blood Med
December 2024
Department of Emergency Medicine, Sanda City Hospital, Sanda-city, Hyogo, Japan.
Purpose: Trauma-associated coagulopathy has been considered to develop as a result of increased fibrinolysis due to massive bleeding, tissue damage and hypoperfusion. However, it has not been investigated whether hematoma may cause trauma-associated coagulopathy. Using experimental animal model, we analyzed the effects of hematoma formation on coagulation and fibrinolysis parameters.
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