General and specific objectives of the search: evaluate the effects of the administration of Antithrombin III (ATIII) on the activation of the coagulation system and of the fibrinolysis, platelet function, inflammatory response and markers of organ damage in patients undergoing cardiac surgery by cardiopulmonary bypass (CPB) with low plasma levels of post-operative Antithrombin (AT).
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Number of participants with reduced bleeding, transfusion requirements and need of reintervention for bleeding as a measure of efficacy.
Timeframe: until 5 days after surgey