Reversal of Anticoagulation and Management of Bleeding in Patients on Anticoagulants

Prajwal Dhakal, Supratik Rayamajhi, Vivek Verma, Krishna Gundabolu, Vijaya R. Bhatt

Research output: Contribution to journalReview article

13 Scopus citations

Abstract

Bleeding is the most common complication of all anticoagulants. Any bleeding patient on an anticoagulant should be risk-stratified based on hemodynamic instability, source of bleeding, and degree of blood loss. Although minor bleed may be managed with discontinuation of anticoagulant, major bleed may require transfusion of blood products and use of specific antidote. The residual effects of each anticoagulant may be monitored with distinct coagulation assay. Intravenous or oral vitamin K can reverse the effect of warfarin within 24 to 48 hours and is indicated for any bleeding, international normalized ratio of >10 or 4.5 to 10 in patients with other risk factors for bleeding. Fresh frozen plasma or prothrombin complex concentrate (PCC) may be necessary in major bleeding related to warfarin. Protamine sulfate reverses the effect of unfractionated heparin completely and of low-molecular-weight heparin (LMWH) partially. Idarucizumab has recently been approved in United States for dabigatran reversal, whereas andexanet alfa is expected to get approved in the near future for reversal of oral factor Xa inhibitors. The PCC may reverse the effect of rivaroxaban to some extent, but no data are available regarding reversal of apixaban and edoxaban. Aripazine has shown promising results to reverse the effects of LMWH, fondaparinux, and direct oral anticoagulants but is still in the developmental phase.

Original languageEnglish (US)
Pages (from-to)410-415
Number of pages6
JournalClinical and Applied Thrombosis/Hemostasis
Volume23
Issue number5
DOIs
StatePublished - Jul 1 2017

Keywords

  • anticoagulants
  • antidote
  • bleeding
  • reversal

ASJC Scopus subject areas

  • Hematology

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