Recombinant activated factor VII (NovoSeven): addition to replacement therapy in acute, uncontrolled and life-threatening bleeding.

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 Sang

journal_title

Vox sanguinis

authors

Mayo A,Misgav M,Kluger Y,Geenberg R,Pauzner D,Klausner J,Ben-Tal O

doi

10.1111/j.1423-0410.2004.00533.x

subject

Has Abstract

pub_date

2004-07-01 00:00:00

pages

34-40

issue

1

eissn

0042-9007

issn

1423-0410

pii

VOX533

journal_volume

87

pub_type

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