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Fibrinogen as a therapeutic target for bleeding: a review of critical levels and replacement therapy
Fibrinogen as a therapeutic target for bleeding: a review of critical levels and replacement therapy TRANSFUSION Levy, J. H., Welsby, I., Goodnough, L. T. 2014; 54 (5): 1389-1405Abstract
Fibrinogen plays a critical role in achieving and maintaining hemostasis and is fundamental to effective clot formation. There is increasing awareness of the important role of fibrinogen as a key target for the treatment and prevention of acquired bleeding. Fibrinogen is the first coagulation factor to fall to critically low levels (<1.0?g/L) during major hemorrhage (normal plasma fibrinogen levels range from 2.0 to 4.5?g/L), and current guidelines recommend maintaining the plasma fibrinogen level above 1.5?g/L. Fibrinogen supplementation can be achieved using plasma or cryoprecipitate; however, there are a number of safety concerns associated with these allogeneic blood products and there is a lack of high-quality evidence to support their use. Additionally, there is sometimes a long delay associated with the preparation of frozen products for infusion. Fibrinogen concentrate provides a promising alternative to allogeneic blood products and has a number of advantages: it allows a standardized dose of fibrinogen to be rapidly administered in a small volume, has a very good safety profile, and is virally inactivated as standard. Administration of fibrinogen concentrate, often guided by point-of-care viscoelastic testing to allow individualized dosing, has been successfully used as hemostatic therapy in a range of clinical settings, including cardiovascular surgery, postpartum hemorrhage, and trauma. Results show that fibrinogen concentrate is associated with a reduction or even total avoidance of allogeneic blood product transfusion. Fibrinogen concentrate represents an important option for the treatment of coagulopathic bleeding; further studies are needed to determine precise dosing strategies and thresholds for fibrinogen supplementation.
View details for DOI 10.1111/trf.12431
View details for Web of Science ID 000335634700028
View details for PubMedID 24117955