the situations in which platelet aggregation inhibitors are used include : arteritis of the lower limb at the intermittent claudication stage , leg ulcers of arterial origin , emboligenic arteritis with focus of platelet hyperfixation , progression of atherosclerosis as assessed by angiography , implantation of vascular surfaces , diabetic retinopathy , retinal venous thrombosis , cycle cell anaemia and perhaps thrombocythaemia .
C0021775
intermittent claudication
C0003850
atherosclerosis