Switching anticoagulation


To

From
UFH (IV) Enoxaparin Therapeutic BD dose SC Apixaban Rivaroxaban Dabigatran Warfarin
UFH (IV) Stop UFH and start enoxaparin at the same time Stop UFH and start apixaban at the same time Stop UFH and start rivaroxaban at the same time Stop UFH and start dagibatran at the same time Start warfarin and UFH concurrently. Continue UFH for a Min. 5/7 & until INR in therapeutic range for 2 consecutive days
Enoxaparin therapeutic BD dose SC Stop enoxaparin and start IV UFH 1-2 hours before the next dose of enoxaparin would have been given Stop enoxaparin and give 1st dose of apixaban at the time the next dose of enoxaparin would have been given Stop enoxaparin and give 1st dose of rivaroxaban at the time the next dose of enoxaparin would have been given Stop enoxaparin and give 1st dose of dabigatran at the time the next dose of enoxaparin would have been given Start warfarin and enoxaparin concurrently. Continue enoxaparin for a minimum of 5 days and until INR is in therapeutic range for two consecutive tests
Enoxaparin Therapeutic OD dose SC Stop enoxaparin and start UFH 1-2 hours before the next dose of enoxaparin would have been given Give next dose of enoxaparin 12 hours after the last dose was given Stop enoxaparin and give first dose of apixaban at the time the next dose of enoxaparin would have been given Stop enoxaparin and give first dose of rivaroxaban at the time the next dose of enoxaparin would have been given Stop enoxaparin and give first dose of dabigatran at the time the next dose of enoxaparin would have been given Start warfarin and enoxaparin concurrently. Continue enoxaparin for min. 5/7 and INR is in therapeutic range for two consecutive days
Apixaban Stop apixaban and start UFH at the time the next dose of apixaban would have been given Stop apixaban and give first dose of enoxaparin at the time the next dose of apixaban would have been given Stop apixaban and give first dose of rivaroxaban at the time the next dose of apixaban would have been given Stop apixaban and give first dose of dabigatran at the time the next dose of apixaban would have been given Start warfarin in combination with apixaban. Continue apixaban for 2/7, then check INR prior to each dose of apixaban. Stop apixaban when INR is ≥ 2.0.
Rivaroxaban Stop rivaroxaban and start UFH at the time the next dose of rivaroxaban would have been given Stop rivaroxaban and give first dose of enoxaparin at the time the next dose of rivaroxaban would have been given Stop rivaroxaban and give first dose of apixaban at the time the next dose of rivaroxaban would have been given Stop rivaroxaban and give first dose of dabigatran at the time the next dose of rivaroxaban would have been given Start warfarin in combination with rivaroxaban. Rivaroxaban should be discontinued when INR >2. Check INR prior to each dose of rivaroxaban
Dabigatran Stop dabigatran and start UFH at the time the next dose of dabigatran would have been given Stop dabigatran and give first dose of enoxaparin at the time the next dose of dabigatran would have been given Stop dabigatran and give first dose of apixaban at the time the next dose of dabigatran would have been given Stop dabigatran and give first dose of rivaroxaban at the time the next dose of dabigatran would have been given If CrCl ≥ 50ml/min.: start warfarin 3/7 before stopping dabigatran. If CrCl 30-50ml/minute: start warfarin 2/7 before stopping dabigatran
Warfarin Stop warfarin. Start UFH once INR < target range Stop warfarin. Start enoxaparin once INR < target range Stop warfarin. Start apixaban when INR <2.0 DVT, PE Mx and Prev.: stop warfarin & start rivaroxaban when INR ≤2.5.
Stroke Prev.: stop warfarin & start rivaroxaban when INR ≤3.0.
Stop warfarin. Start dabigatran when INR <2


Content by Dr Íomhar O' Sullivan. Last review Dr ÍOS 3/03/24.