How long anticoagulants need to be withheld before surgery :
Dabigatran = 1-2 days
Rivaroxaban = 1 day
Apixaban = 1-2 days
Fondaparinux = 36-48 hrs
LMWH = 12 hrs for prophylactic dose, 24 hours for therapeutic dose
Warfarin= 1-8 days check INR
UFH IV= 4-6 hrs, SC 12-24 hrs
Always check the creatinine clearance:
Drug Duration to withhold before procedure
.......... ..........
Dabigatran= 1-2 days with creatinine clearance >50ml/min
Rivaroxaban= 1 day if creatinine clearance >90 ml/min
Apixaban= 1-2 days if creatinine clearance >60


















