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Online ISSN 1827-1596
Samy FIGUEIREDO, Audrey TANTOT, Jacques DURANTEAU
Département d’Anesthésie et de Réanimation, Hôpitaux Universitaires Paris-Sud, Université Paris-Sud, Hôpital de Bicêtre, Assistance Publique, Hôpitaux de Paris, Le Kremlin-Bicêtre, France
Viscoelastic hemostatic assays (VHAs), mainly thromboelastography (TEG) and the rotational thromboelastometry (ROTEM), provide global information on clot formation and dissolution at patient bedside, allowing fast identification of coagulation disorders. In trauma patients, VHAs are able to predict massive transfusion and mortality. These devices might also be used for applying targeted administration of procoagulant factors (e.g. fibrinogen concentrate) as an alternative to or in addition to using predefined fixed ratios of red blood cells: platelets: fresh frozen plasma/cryoprecipitate. These goal-directed, individualized treatment algorithms seem to reduce blood product transfusion without deleterious effects on patient outcome. Nevertheless, a clear outcome benefit of using VHAs remains to be demonstrated in trauma patients.