Low-dose rFVIIa appears to be an effective, rapid reversal modality for major bleeding events in the presence of warfarin and an elevated INR. The agent's response is quicker than that expected with fresh frozen plasma combined with vitamin K. In emergency situations, rFVIIa 1.2 mg can be used to reverse the anticoagulant effect of warfarin and other vitamin K antagonists without inducing a hypercoagulable state; the product, however, is expensive.
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