Disseminated Intravascular Coagulation
Disseminated Intravascular Coagulation - Related Videos
13:08
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Coagulation
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The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries. During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
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Coagulation
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Establishing a Mouse Model of Pleural Disseminated Lung Cancer
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10:45
Non-invasive Imaging of Disseminated Candidiasis in Zebrafish Larvae
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Cited by 33 •
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The rapid development, small size and transparency of zebrafish are tremendous advantages for the study of innate immune control of infection1-4. Here we demonstrate techniques for infecting zebrafish larvae using the fungal pathogen Candida albicans by microinjection, methodology recently used to implicate phagocyte NADPH oxidase activity in control of fungal dimorphism5.
FAQs
In severe infection, inflammatory cytokines can injure the endothelium and increase tissue factor expression. These changes promote thrombin generation throughout the circulation rather than only at a localized site. The resulting coagulation activation links the host inflammatory response to widespread microvascular clot formation, making endothelial injury and tissue factor important mechanistic connections between infection and DIC.
The two outcomes arise from different consequences of sustained coagulation activation. Microvascular thrombi can obstruct perfusion, while platelets and clotting factors are consumed faster than they are replaced, reducing the resources available for hemostasis. Dysregulated fibrinolysis can further disturb this balance, so clotting and bleeding may occur concurrently rather than representing opposing stages.
Microvascular thrombosis can reduce tissue perfusion, limiting delivery through small vessels and contributing to organ injury. This process develops alongside the inflammatory and endothelial changes that drive thrombin generation. Consequently, the severity of DIC is relevant not only because of bleeding risk, but also because impaired microvascular circulation can influence clinical outcomes in severe inflammatory disease.
Evaluation commonly considers several findings together: prolonged clotting times, low platelet counts, and elevated fibrin degradation products. These results reflect different parts of the process, including consumption of coagulation components and breakdown of fibrin. In infection research and clinical assessment, their combined pattern helps connect systemic coagulation activation with the suspected underlying inflammatory condition.
DIC provides a framework for studying how immune and inflammatory responses influence coagulation during infection. Cytokine-driven endothelial injury and increased tissue factor expression can convert local inflammatory signaling into systemic thrombin generation. Immunology and infection researchers can therefore use DIC to examine how host responses affect microvascular perfusion, organ injury, and broader clinical outcomes.
The central approach is timely recognition of the coagulation disturbance together with treatment of the underlying trigger. In severe infection, this means interpreting clinical concern alongside platelet counts, clotting times, and fibrin degradation products. Addressing the initiating inflammatory condition is important because ongoing tissue factor expression, endothelial injury, and cytokine activity can sustain the imbalance.