Graft occlusion following peripheral vascular surgery is attributable to some combination of acute thrombosis, and progression of atherosclerosis: interactions between leukocytes and activated platelets may play a role in both of these processes. This investigation measured perioperative leukocyte-platelet conjugate formation, and leukocyte and platelet activation in 46 patients undergoing surgery for lower extremity peripheral vascular disease (PVD). All patients were followed for graft patency over the next 6 months; 27 patients had grafts that remained patent while 19 had graft occlusion.
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