CACP Domain 2 Indications and Recommendations Flashcards
Which anticoagulant is used to treat peripheral arterial embolism?
UFH
Which DOAC is used to treat acutely ill medical patients?
Rivaroxaban
Which anticoagulant is used in ECMO, blood transfusions, and dialysis procedures?
UFH
Which anticoagulant is used to treat DIC?
UFH
Which anticoagulants are used for prophylaxis of DVT in abdominal surgery?
Enoxaparin and Fondaparinux
Can enoxaparin be used for the outpatient treatment of acute DVT with PE?
No, only for outpatient treatment without PE
Which anticoagulant is used for DVT prophylaxis in hip fracture surgery?
Fondaparinux only
(Rivaroxaban, Apixaban, Dabigatran, Enoxaparin, and Fondaparinux are used as DVT prophylaxis for hip replacement surgery.)
When can fondaparinux be used to treat DVT or PE?
When it is given in conjunction with warfarin
When can prasugrel be used to treat STEMI?
When used with PCI
When can tirofiban be used?
Only in non-ST elevated ACS (UA and NSTEMI)
Thrombolytics are approved for the treatment of
Acute myocardial infarction, acute ischemic stroke, acute massive PE (alteplase only)
AHA/ACC/HRS 2019 recommendation for AF, CHA2DS2-VASC score of 2 in men, 3 in women, with CrCl < 15 mL/min or on dialysis
Warfarin or Apixaban (2b recommendation)
Duration of anticoagulation for cardioversion for patients with AF/atrial flutter not < 48 hours (AHA/ACC/HRS 2019)
3 weeks before and 4 weeks after cardioversion at least
If having to start immediately due to hemodynamic instability, then continue for at least 4 weeks
ACS - underwent PCI with stent - AF with CHA2DS2-VASc 2+ - now on triple therapy - which P2Y12 inhibitor?
Clopidogrel preferred to prasugrel
ACS - underwent PCI with stent - AF with CHA2DS2-VASc 2+: triple or double therapy?
Double therapy (clopidogrel or ticagrelor + warfarin) preferred
ACS - underwent PCI with stent - AF with CHA2DS2-VASc 2+: what double therapy with DOACs is reasonable?
Clopidogrel with
Rivaroxaban 15 mg daily OR
Dabigatran 150 mg BID
(can consider dabigatran 110 mg BID if bleeding risk is high)
ACS - PCI with stent - AF with CHA2DS2-VASc 2+ on triple therapy, when can transition to double therapy be considered?
At 4 - 6 weeks
INR goal of 3.0 for warfarin patients with what indications
mechanical MVR, older generation mechanical AVR, mechanical AVR with risk factors (AF, previous VTE, LV dysfunction, or hypercoagulable conditions)
When to use ASA and what dose for valvular heart disease
ASA 81 mg daily in conjunction with warfarin for mechanical valve (recommended) or bioprosthetic valve (reasonable)
When does Chest 2017 for valvular heart disease recommend INR goal 1.5 - 2.0?
Mechanical On-X AVR and no VTE risk factors
Chest 2017 TAVR recommendation
Clopidogrel 75 mg daily + ASA 81 mg daily first 6 months, then ASA 81 mg daily lifelong
Anticoagulation with warfarin is reasonable for 3 months and low risk of bleeding
Anticoagulant of choice if patient also takes PGP inhibitors or inducers
Warfarin or Enoxaparin
Anticoagulant of choice if patient also takes strong CYP inhibitors or inducers
Warfarin or Enoxaparin
When does ASH 2018 suggest against using anti-Xa monitoring for LMWH?
CrCl < 30 mL/min or obesity
Duration of anticoagulation therapy for first unprovoked VTE with low or moderate bleeding risk
Indefinite (extended)
Duration of anticoagulation therapy for first unprovoked VTE with high bleeding risk
3 months
CHEST 2016 recommendation if stopping anticoagulant therapy for unprovoked proximal VTE
ASA 81 mg daily for long term VTE prophylaxis
Should compression stockings be routinely used in acute DVT to prevent post-thrombotic syndrome?
No
Chest 2016 recommendation for subsegmental PE (no DVT) and low risk of VTE recurrence
No anticoagulation
Chest 2016 recommendation for massive PE (acute PE with hypotension)
Thrombolytic therapy, specifically systemic thrombolytic therapy
Chest 2016 recommendations for recurrent VTE (2)
Switch to LMWH if taking warfarin or DOAC
Increase LMWH dose if taking LMWH
Antiplatelet of choice with aspirin for elective surgery PCI
Clopidogrel
Antiplatelet of choice with aspirin for ACS
Ticagrelor or Prasugrel
If warfarin is chosen for antithrombotic management post-PCI, what is the INR goal range with triple anticoagulant therapy?
2.0 - 2.5
Duration of oral anticoagulation post-PCI
Lifelong
Patients on DOAC going for elective or nonemergent procedure should withhold anticoagulation therapy for
24 hours (48 hours if impaired renal function and taking dabigatran)
Anticoagulation therapy for stable, non-invasive CAD, no AF
ASA or
ASA + rivaroxaban
Anticoagulation therapy for stable, invasive CAD, no AF
ASA + P2Y12 inhibitor or
ASA + P2Y12 inhibitor + rivaroxaban
Anticoagulation therapy for ACS (noninvasive or invasive), no AF
ASA + P2Y12 inhibitor or
ASA + P2Y12 inhibitor + rivaroxaban
Anticoagulation therapy for stable, non-invasive CAD, with AF
ASA + any DOAC
Anticoagulation therapy for stable, invasive CAD, with AF
ASA + P2Y12 inhibitor + Dabigatran or Rivaroxaban
Anticoagulation therapy for ACS (noninvasive or invasive), with AF
ASA + P2Y12 inhibitor + Dabigatran or Rivaroxaban
Cangrelor (Kengreal) FDA approved indication and dosing
30 mcg/kg prior to PCI, then 4 mcg/kg/min IV for 2 hours or duration of procedure, whichever is Longer to reduce risk of periprocedural MI, repeat coronary vascularization, and stent thrombosis in patients who have Not been treated with a P2Y12 inhibitor (do not use clopidogrel or prasugrel during cangrelor infusion) and are not being given GP2b/3a inhibitor
ASH 2020 for DVT/PE: if VTE is provoked by a transient risk factor and patient has a history of another VTE provoked by a transient risk factor, what is duration of therapy for this transient risk factor?
Primary treatment of 3 - 6 months only (instead of indefinite)
Does ASH recommend the routine use of compression stockings in a patient with PTS?
No, ASH recommends against the routine use as many patients may not benefit from it
If a patient with a mechanical heart valve is undergoing a procedure that requires warfarin interruption, do you always bridge?
Yes, always bridge for mechanical heart valve if warfarin is needing to be held
Acute ischemic stroke (not mild, nondisabling or acute stroke or head trauma or intracranial/spinal surgery within 3 months or who have received full treatment LMWH) within 4.5 hours, first drug and dose of choice?
IV alteplase 0.9 mg/kg (max dose 90 mg), 10% given over the first minute, the rest given over the remaining 50 mins
Should you give a GP2b3a inhibitor concurrently with IV alteplase?
No
If a patient has been given a fibrinolytic, when to give ASA?
Avoid within the first 90 mins, generally delayed until 24 hours later
When to start DAPT if minor noncardioembolic ischemic stroke and did not receive IV alteplase? How long to continue?
Within 24 hours after symptom onset, continue for 21 days and up to 90 days
Recommended antithrombotic therapy for mechanical valve patients
VKA + ASA 81 mg daily lifelong
Reasonable antithrombotic therapy for bioprosthetic valve patients (drug and duration)
VKA + ASA 81 mg daily
OR
DOAC + ASA 81 mg daily
Duration 3 - 6 months, then ASA 81 mg daily lifelong
Reasonable antithrombotic therapy for TAVR
VKA (at least 3 months if low bleeding risk) \+ Clopidogrel 75 mg daily (first 6 months) \+ ASA 81 mg daily lifelong
If bileaflet mechanical AVR and no other risk factors for surgical thrombosis and patient is taking VKA and INR is subtherapeutic, do you bridge for invasive procedures?
No, interruption without bridging agents is recommended
Recommended antithrombotic therapy for atherosclerotic lower extremity PAD
ASA 81 mg daily
+
Clopidogrel 75 mg daily