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One of the most common hemostatic derangements in pediatric open- heart surgery is an acute acquired hypofibrinogenemia. This compromises fibrin clot generation and platelet aggregation, resulting in increased bleeding and allogenic blood transfusions.
Currently, fresh frozen plasma and cryoprecipitate are used to supplement fibrinogen in pediatric cardiac patients. We propose that replacing cryoprecipitate with fibrinogen concentrate will be as effective in treating post-CPB bleeding and will decrease total blood product exposure when used as part of a blood transfusion algorithm.
We plan to include all patients undergoing cardiac surgery on CPB less than 12 months and a fibrinogen level <250mg/dL while on bypass.
We hope to demonstrate that fibrinogen concentrate is at least as effective as the standard of care in the management of peri- operative bleeding in neonatal patients undergoing cardiopulmonary bypass. If we are able to demonstrate that fibrinogen is at least as effective as the standard of care, then we would plan a multi-center trial to demonstrate the safety and efficacy of this medication. If we are able to demonstrate that fibrinogen concentrate is effective, fibrinogen concentrate could replace allogenic products and potentially decrease transfusion related morbidity in mortality in this population.
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Patients under 12 months of age requiring cardiopulmonary bypass surgery will be approached for the study. Patients with a pre- existing coagulopathy, including unexplained bleeding or history of clotting, will be excluded. Prior to the study beginning, patients will be randomized to our standard transfusion algorithm with cryoprecipitate or fibrinogen concentrate. As is standard of care, laboratory tests will be sent at standard times points
For patients randomized to the study arm (fibrinogen concentrate), the fibrinogen level measured on bypass will be used to calculate the appropriate dose of fibrinogen concentrate to achieve a level of 300mg/dL after separation from bypass. Fibrinogen concentrate will replace cryoprecipitate in our post-operative transfusion algorithm. If the patient has continued bleeding based on laboratory values and clinical situation, the patient will be given cryoprecipitate as a rescue measure. Patients not on the study protocol will receive our normal transfusion algorithm.
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60 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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