Abstract:
BACKGROUND AND OBJECTIVES:Recombinant activated factor VII (rFVIIa, NovoSeven) has been used off-label for various conditions. A protocol for its use in acute, uncontrolled life-threatening bleeding, was devised and employed. A haematologist/transfusion specialist was assigned as a member of the team. MATERIALS AND METHODS:The clinical data were reviewed and summarized. A scoring system for the assessment and monitoring of coagulopathy was employed. Each parameter of prothrombin time (PT), activated partial thromboplastin time (aPTT), platelet number and fibrinogen level was allocated points according to the degree of abnormality. Three scoring levels emerged. RESULTS:Between April 2001 and April 2003, 13 patients received rFVIIa for acute, uncontrolled life-threatening bleeding. Nine of 13 patients remained alive for 15 days or longer after rFVIIa infusion. All patients who experienced a reduction or cessation of bleeding after rFVIIa infusion, also had a lower coagulopathy score after replacement therapy, prior to rFVIIa infusion, compared with their score at rFVIIa request. There was a reduction in the average use of blood products after rFVIIa infusion. The coagulopathy score was statistically predictive of response to rFVIIa and survival. CONCLUSIONS:In an area where very little data exists, we report the usefulness of rFVIIa. We propose that transfusion replacement should aim to correct coagulopathy before infusion of rFVIIa and that a haematologist/transfusion specialist should be involved in the management of these patients. A prognostically significant coagulopathy scoring system is offered.
journal_name
Vox Sangjournal_title
Vox sanguinisauthors
Mayo A,Misgav M,Kluger Y,Geenberg R,Pauzner D,Klausner J,Ben-Tal Odoi
10.1111/j.1423-0410.2004.00533.xsubject
Has Abstractpub_date
2004-07-01 00:00:00pages
34-40issue
1eissn
0042-9007issn
1423-0410pii
VOX533journal_volume
87pub_type
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