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OrthoVellum

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Basic Science
intermediate
X-Type

Venous Thromboembolism Prophylaxis

Perioperative Management

A 72-year-old woman undergoes elective total hip arthroplasty. She has a history of hypertension and BMI of 32. Her creatinine clearance is 45 mL/min. She is ambulatory preoperatively. You are asked about VTE prophylaxis recommendations for this patient. Regarding venous thromboembolism prophylaxis in orthopaedic surgery:

Mark each as TRUE or FALSE

A

The Virchow triad (stasis, hypercoagulability, endothelial injury) explains VTE pathophysiology; maj...

B

Risk factors include previous VTE (strongest), active cancer, thrombophilia, obesity, advanced age, ...

C

VTE prophylaxis is only necessary during hospital admission; aspirin has no role in VTE prevention; ...

D

Pharmacological options include LMWH (enoxaparin), DOACs (rivaroxaban, apixaban), fondaparinux, warf...

E

Mechanical prophylaxis (graduated compression stockings, intermittent pneumatic compression) reduces...

Answer the questions to see explanations

Click T (True) or F (False) for each option