Site of proximal anastomosis	Site of distal anastomosis	Graft material	Other factors	Thrombotic risk	Recommended antithrombotic therapy
Aorta	Iliac or femoral	Prosthetic		Low	Antiplatelet*
Axilla	Femoral	Prosthetic		Medium	Antiplatelet
Femoral	Popliteal (above knee joint)	Vein		Low	Antiplatelet*
		Prosthetic		Low	Antiplatelet*
	Distal (below knee)	Vein	Good flow (>100 ml/min) and good distal arteries	Medium	Antiplatelet
			Poor flow (<50 ml/min) or poor distal arteries	High	Antiplatelet Consider warfarin
		Prosthetic		High	Antiplatelet Consider warfarin