Table 2.

Approximate time prior to surgery or invasive procedure for which anticoagulant drug should be stopped. National4 and local guidelines and product literature should be consulted for specific details

DrugDuration between stopping and invasive procedure or surgeryDuration before stopping and invasive procedure or surgery in impaired renal function – creatinine clearance <30
Low bleeding risk procedureHigh bleeding risk procedureLow bleeding risk procedureHigh bleeding risk procedure
Warfarin5 days
UFH4 hours
LMWHProphylactic dose, 12 hoursIf used, discuss dose and timing with haematology
Treatment dose, 24 hours
Fondaparinux24–42 hoursIf used, discuss dose and timing with haematology
Argatroban4 hours
Dabigatran24 hours48 hoursCr Cl > 50 to <80: 24–48 hoursCr Cl > 50 to < 80: 48–72 hours
Cr Cl > 30 to <50: 48–72 hoursCr Cl > 30 to <50: 72–96 hours
Apixaban24 hours48 hours48 hours72 hours
Edoxaban24 hours48 hours48 hours72 hours
Rivaroxaban24 hours48 hours48 hours72 hours
  • LMWH = low-molecular-weight heparin; UFH = unfractionated heparin