What suppresses fibrinolytic activity in the pathogenesis of disseminated intravascular coagulation (DIC)?

Updated: Dec 06, 2020
  • Author: Marcel M Levi, MD; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Answer

Experimental bacteremia and endotoxemia result in a rapid increase in fibrinolytic activity, most probably caused by release of plasminogen activators from endothelial cells. However, this profibrinolytic response is almost immediately followed by suppression of fibrinolytic activity due to a sustained increase in plasma levels of PAI-1 [30] ; these effects are mediated by TNF-2 and IL-1. [31] High PAI-1 levels precede DIC and predict poor outcomes. [32]


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