American Society of Hematology 2019 guidelines for management of venous thromboembolism: prevention of venous thromboembolism in surgical hospitalized patients

Short summary

The 2019 American Society of Hematology (ASH) guidelines recommend mechanical prophylaxis over no prophylaxis for general major surgery, pneumatic compression over graduated stockings, and advise against inferior vena cava filters. For total hip/knee arthroplasty, aspirin or anticoagulants are conditionally recommended, with direct oral anticoagulants favored over LMWH. Pharmacological prophylaxis is suggested for major general, trauma, and gynecological surgery, but advised against for major neurosurgery and prostate procedures.

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