Questions discussed in this category
How often does this occur and does this lower your suspicion for a "true" or clinically significant lupus anticoagulant?
Or do you generally prefer warfarin/non-DOAC agents? Do you consider trialing DOACs and testing anti-Xa DOAC levels to assess for absorption?
vWF and FVIII activities ~200% and were checked because of the patient's family history of "coagulopathy".
Is there any utility in repeating the test...
If they have been on IV heparin for 3 days, for example, would you subtract those days from the recommended loading dose time?
Thrombosis of the greater saphenous vein extending from SFJ to mid-calf, unchanged on follow-up Doppler imaging after 3 months of full dose rivaroxaba...
Cardiolipin was mildly positive and persistent after 12 weeks (29->28 MPL). No other significant provoking factors. The patient started on LMWH.
W...
Family history is notable for CVA and early onset MI in nonsmokers, but no personal or family history of VTE. APLS testing is negative. Previously fou...
How would you approach anticoagulation in this situation? Does the presence of thrombocytopenia or hemorrhagic splenic infarcts change your manag...
For what duration and is there a preferred anticoagulation agent?
The patient takes frequent flights for their job, with no prior history of VTE, and has already been taking measures for prevention including frequent...
Labs with normal PT, but prolonged PTT (47 sec, ULN 40 sec) that does not correct on immediate mix. Lupus anticoagulant negative (DRVVT and hexagonal ...
Would you anticoagulate for a fixed or indefinite duration? Would you recommend changing her contraception method?
Would you label this as intermediate or high risk and treat with prophylactic or full dose AC? What duration would you treat for?
No prior hx of DVT/SVT. Negative LE doppler. Would you consider anticoagulating and at what dose, or favor close observation?
Caplacizumab is not FDA approved in pregnant patients, but has been used safely in isolated case reports.
Thrombophilia testing, including JAK2 is negative. When would you stop anticoagulation?
If not, has your practice changed to use vWF replacement therapy more routinely for perioperative or acute bleeding management? Do you still perform D...
Are there specific guidelines for managing this patient population?
Assume patient requires anticoagulation in the setting of acute thrombosis, with no need for IVC filter, but is approaching the end of her third trime...
What is your preferred anticoagulation in patients with BMI >50?
Are the INRs reliable? In what scenarios would you not recommend POC INR use for warfarin monitoring?
Are these typically covered by insurance? Are t...
Considering the short half-life, at what point would it be deemed too late to administer any reversal agent, and to consider withholding it?
Assume thrombolytics are not indicated. Do you favor early DOAC transition after 24-48 hours of heparin gtt or do you favor LMWH for 10-14 days follow...
Do you do additional workup for venous obstruction or any other different testing/evaluation?
Do social or economic factors (i.e., relative cost of acquiring LMWH, the patient being injection averse) affect your decision to use DOACs?
Do you s...
Is there a factor XI goal that you target? Would you consider FVIIa products instead?
Additional risk factors could be family history of VTE or thrombophilia, such as antithrombin deficiency.
Confirmatory tests with DRVVT, hexagonal phase assay, and PNP are all normal. No bleeding history
In the setting of requiring anticoagulation for atrial fibrillation and bioprosthetic valve, but also having severe vitamin K deficiency, would you st...
Is it different than early mobility that we always encourage?
E.g. young male, morbid obesity, with BMI >50
While follow up ultrasound is not usually recommended in provoked DVT, it often is done either for other reasons or by other physicians. Would this in...
Common thought is that FVIII may be used for differentiating coagulopathy in liver disease (normal to increased, from reduced clearance of VWF/FVIII) ...
Level >60%. No family or surgical h/o of bleeding but heavy postpartum bleeding.
What is the work up and what is the duration of anticoagulation if used?
Specifically, asymptomatic subsegmental PE diagnosed within a month from planned bilateral mastectomy for breast cancer.
Is patch or gel HRT with ASA prophylaxis a reasonable option after counseling? Or do you add a prophylactic DOAC?
Is lifelong LMWH the anticoagulant of choice? Would DOACs be an option?
Would you consider low dose indefinite anticoagulation in any scenario? Any difference in approach between hematological malignancy and solid tum...
No prior thrombosis; no family history of thrombosis. As per endocrine, the only useful therapy for the osteoporosis is estrogen.
For example: In a patient presenting with left arm swelling and found to have a left cephalic vein occlusive thrombus on ultrasound
E.g. pulmonary embolism, portal vein thrombosis, cerebral venous sinus thrombosis
If so, do you treat for a limited period of time or indefinitely?
In the absence of concerning bleeding or thrombosis, family history of coagulopathy, current anticoagulant use, or malnutrition
Specifically - patient who had mild aggregation defect with ADP which corrected in third trimester of pregnancy. Would it be appropriate or necessary ...
Previous provoking factors resolved (CVC, malignancy, etc)
What is your preferred agent (DOAC, warfarin, enoxaparin), and is periprocedural bridging necessary?
Is thrombotic risk too significant? Patient failed OCPs.
(Normal oxygenation and echo)
I.e., what constitutes well-controlled cancer, IBD, nephrotic syndrome, etc. What other diseases do you put in this category (obesity, autoimmune dise...
- Dialysis catheter used for hemodialysis- RIJ thrombus in dialysis catheter was incidentally found- Patient asymptomatic with no prior history of VTE...
APLA syndrome, obesity, non compliance ruled out and prefers another oral anticoagulation. Is higher dose of rivaroxaban or apixaban an option?
If so, what would you consider ordering?
Bleeding disorder such as vWD
In the setting of no personal or family history and no other risk factors for thrombosis, is systemic anticoagulation warranted if local treatments (e...
How would the approach differ if the patient had a significant bleeding phenotype vs only minor bruising and mucosal bleeding?
In the absence of a VTE would you consider prophylaxis after a surgical procedure? Often non-hematologists order this testing but we are consulted for...
FVL heterozygotes are often treated similarly to the general population. Aside from avoiding other VTE risk factors, are there situations where prophy...
How does cirrhosis and/or underlying thrombophilia affect your decision?
Conversion tables suggest starting the new drug with the next dose but do not seem to answer this question (i.e. if switching from rivaroxaban 20 mg d...
Please comment on bridging.
What should be done with a high level?
Would you offer indefinite anticoagulation if the event is unprovoked and the patient has low bleeding risk?
Please also discuss the type and duration of anticoagulation.
If so, what agent(s) do you prefer?
Provoked or unprovoked VTE: Do you use D-Dimer (or even repeat imaging to reassess residual clot) in any capacity to guide anticoagulation duration? E...
Have you used anticoagulants other than coumadin? Or is that the only appropriate agent given monitoring is based on PT/INR?
Do you feel comfortable with BTK inhibitors in these patients?
In ELEVATE-RR patients on a/c were excluded, and rate of atrial fibrillation in the ac...
While low-dose aspirin for primary thrombosis prevention in aPL without APS is not typically recommended outside cardiovascular prevention guidelines ...
Would appreciate expert opinion on when to reimage and when to restart anticoagulation depending on findings.
While there are many factors involving:- type (DVT vs PE, unprovoked vs provoked) and severity of venous thromboembolism (VTE) size- duration of antic...
While this is a known risk factor for venous [Meijers et al NEJM 2000] and potentially arterial [Yang et al, Am J Clin Pathol 2006] thrombosis, it is ...
Do you recommend therapeutic phlebotomy to a certain Hct goal? Any strong evidence for thromboembolic risk related to erythrocytosis or if this is mit...
Given recent data in Blood (Moik et al, 2021), and the potentially overlapping risks with other clinical factors associated with NSCLC.
Will you alte...
Is there any difference between anticoagulants in this clinical context (e.g. anti-Xa inhibitors vs warfarin vs LMWH)?
When do you consider initiating eculizumab?
The use of anti-fibrinolytics is typically contraindicated in DIC, but does it have benefit in DIC states characterized by hyperfibrinolysis?
Does having a concurrent consumptive process e.g. DIC change your management?
Assuming the patient is a candidate for all anticoagulation options (no mechanical valve, antiphospholipid syndrome, patient-specific contraindication...
While thrombophilia testing is not routinely recommended prior to starting OCPs, how about after the development of a VTE?
While the CKD population is at high thrombotic and bleeding risk, would you consider anticoagulating a patient prophylactically if they had a history ...
In a patient with severe factor XII deficiency with a baseline prolonged PTT, what is the best method to monitor their ACT or heparin levels when on c...
Ref: EINSTEIN-CHOICE and AMPLIFY-EXT
Would you approach this differently in patients with inherited thrombophilias?
For example, a patient on cytoreductive therapy and aspirin BID, but suffers an arterial event, or a patient who is already on therapeutic anticoagula...
In a patient with a medical or personal indication to induce oligomenorrhea/amenorrhea, how would you manage OCP therapy if a patient develops a VTE d...
If there are a low-risk patients who can be monitored, how would you do so?
If unprovoked, would you consider stopping anticoagulation?
Is there a preferred strategy of transfusional support versus reduced-dose anticoagulation during the duration of thrombocytopenia?
What if this was "triple-negative" antiphospholipid syndrome?
Especially in a patient without hemophilia or thrombosis history?
What factors other than the Khorana score influence your decision regarding prophylactic anticoagulation in these patients? If prescribing an agent, w...
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The New England journal of medicine, 2019-01-24
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