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FACP. Colegio de médicos de Tarragona Nº 4305520 / fgcapriles@gmail.com

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Saturday, August 21, 2021

INR reduction with FFP

ALiEM - Aug 21, 2021 - By: Mike O'Brien and Bryan D. Hayes
Bottom Line
  • A unit of FFP has an INR of ~1.1, but this doesn’t mean it can easily normalize the INR.
  • There is a non-linear relationship between percentage of clotting factors and the INR, resulting in diminishing returns from each unit of FFP as the INR decreases.
  • Very large doses of FFP may be required to fully correct an elevated INR, which frequently precludes its use.
  • Complete normalization of the INR is not required to achieve hemostasis or prevent bleeding from a procedure.