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  • Title: Bronchoalveolar coagulation and fibrinolysis in endotoxemia and pneumonia.
    Author: Levi M, Schultz MJ, Rijneveld AW, van der Poll T.
    Journal: Crit Care Med; 2003 Apr; 31(4 Suppl):S238-42. PubMed ID: 12682446.
    Abstract:
    OBJECTIVES: To review the involvement of coagulation and fibrinolysis in the pathogenesis of acute lung injury during severe infection. To review the cross-talk between coagulation and inflammation that may affect this response. DATA SOURCES: Published articles on experimental and clinical studies of coagulation and fibrinolysis during infection, inflammation, acute lung injury, and evolving acute respiratory distress syndrome. CONCLUSIONS: Fibrin deposition is an important feature of pulmonary infection or severe inflammation. The mechanisms that contribute to this fibrin deposition are bronchoalveolar tissue factor-mediated thrombin generation and localized depression of urokinase plasminogen activator-mediated fibrinolysis, caused by the increase of plasminogen activator inhibitors. These effects on pulmonary coagulation and fibrinolysis are regulated by various proinflammatory cytokines. Rather than being a unidirectional relationship, the interaction between inflammation and coagulation involves significant cross-talk. Coagulation and fibrinolytic proteins may have an additional role beyond fibrin turnover and inflammation, e.g., in mechanisms mediating cell recruitment and migration.
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