Prophylaxis for deep venous thrombosis. We recommend thromboprophylaxis that includes intermittent pneumatic compression and early ambulation for all patients undergoing OSR or EVAR. Level of recommendation 1 (Strong), Quality of evidence A (High)

We suggest thromboprophylaxis with unfractionated or low-molecular-weight heparin for patients undergoing aneurysm repair at moderate to high risk for venous thromboembolism and low risk for bleeding. Level of recommendation 2 (Weak), Quality of evidence C (Low)