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28 September 2010

Preemptive administration of recombinant factor VII (rVIIa) in patients transplanted due to fulminant Wilson’s disease

Maria M. Czuprynska, Marta Wawrzynowicz-Syczewska, Lidia Jureczko, Janina Andrzejewska, Konrad Jarosz, Janusz Trzebicki, Marek Pacholczyk, Andrzej Chmura, Maciej Wojcicki

Ann Transplant 2010; 15(3): 7-10 :: ID: 881163

Abstract

Background: Fulminant liver failure (FLF) is a severe clinical condition usually accompanied by a coagulopathy, which is one of the key selection criteria for liver transplantation. Prolongation of prothrombin time can vary between etiologies of FHF, being one of the worst in fulminant presentation of Wilson’s disease. Although INR value is not predictive for hemorrhage, it is commonly accepted that INR >1.9 carries a substantial risk of intraoperative bleeding. We tested the hypothesis that preemptive administration of recombinant factor VII (rFVIIa) is a safe and efficacious approach allowing performance of urgent liver transplantation without significant bleeding and thrombotic complications.
Material/Methods: In 14 analyzed cases of fulminant Wilson’s disease subjected for orthotopic liver transplantation (OLT), a single bolus of rFVIIa 10 minutes before skin incision was given routinely in a median dose of 55.9 microg/kg.
Results: Median value of INR dropped from 3.1 to 1.2 30 minutes after rFVIIa administration. Transfusion requirements in those cases did not differ from standard transfusion requirements of PRBCs observed in elective OLTx in our center (6 units v. 5, respectively). Recurrent bleeding was noted in 1 patient with the rupture of aorta. One-year survival rate in the studied group was 85.7%. Thrombotic complications were noted in none of the patients.
Conclusions: We conclude that preemptive use of rFVIIa allows performance of a broad surgical procedure without hemorrhagic complications and without increased risk of thromboembolic events in patients with severe coagulopathy.

Keywords: Liver Transplantation, fulminant hepatic failure, Wilson’s disease, coagulation disorders, recombinant factor VII

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Annals of Transplantation eISSN: 2329-0358
Annals of Transplantation eISSN: 2329-0358