• Anesthesia and analgesia · Mar 2008

    Fibrinogen in craniosynostosis surgery.

    • Thorsten Haas, Dietmar Fries, Corinna Velik-Salchner, Elgar Oswald, and Petra Innerhofer.
    • Department of Anaesthesiology and Critical Care Medicine, Innsbruck Medical University, Anichstrasse 35, 6020 Innsbruck, Austria. thorsten.haas@i-med.ac.at
    • Anesth. Analg. 2008 Mar 1;106(3):725-31, table of contents.

    BackgroundDuring craniosynostosis repair, massive blood loss, consumption and dilution of clotting factors often result in coagulopathy, for which cryoprecipitate, fresh frozen plasma (FFP), and platelets are recommended for treatment. However, cryoprecipitate is not available in most European countries, and the efficacy of FFP in correcting fibrinogen deficiency is limited. We report our experience with human fibrinogen concentrate (Hemocomplettan) used to improve impaired fibrinogen polymerization in children.MethodsResults of routine coagulation tests, thrombelastometry (ROTEM), transfusion requirements, administration of fibrinogen concentrate, and data on the postoperative course of nine consecutive children undergoing major craniofacial surgery were retrospectively collected from anesthesia protocols, medical charts, laboratory and ROTEM databases.ResultsThe nine children aged 12 (8, 22) mo (median [25th, 75th percentile]), weighing 9.5 (9, 10) kg had a calculated blood loss of 80 (49, 92)% of calculated blood volume during the surgery lasting 6.4 (4.5, 7.2) h. Impaired fibrinogen polymerization detected by ROTEM was the main problem underlying dilutional coagulopathy. In all cases, sufficient hemostasis was achieved without adverse effects by administering (if necessary), repeated doses of fibrinogen concentrates (each single dose 30 mg/kg) without FFP or platelet transfusions. All children were successfully weaned from mechanical ventilation within a few hours and were able to be discharged early from the Intensive Care Unit.ConclusionsAdministration of fibrinogen concentrate effectively improves fibrinogen polymerization and total clot strength, which were the main underlying problems of dilutional coagulopathy in children undergoing craniosynostosis surgery.

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