 The aim of this study is to compare the Prevena dressing system to standard surgical dressing in patients undergoing leg bypass surgery or femoral endarterectomy with or without patch angioplasty involving the common femoral artery andor profunda andor proximal superficial femoral artery. The index groin may have undergone prior procedures may be inflow or outflow for existing grafts, but the patient must have fully healed from the prior operation. May include patients with concomitant proximal andor distal peripheral vascular intervention. The patch may be autogenous venous or arterial or prosthetic material such as bovine pericardium, dacron or polytetrafluoroethylene PTFE as well as bilateral femoral endartectomies are eligible for enrollment. The right and left groin incision would be randomized to the same dressing which is consistent with routine clinical practice. for vascular disease involving their legs in a multicenter randomized trial. All other aspects of the procedure are the part of standard vascular surgery practice. Patients undergoing vascular surgery with an incision in the groin will be treated with a standard gauze dressing or the Prevena wound management system which will be applied in the operating room and left on the wound for 5-7 days. Follow-up visits to assess the surgical wound are already standard of care. The two groups will be compared based on the primary and secondary endpoints listed in these documents. Quality of life will be compared by a patient survey and a cost analysis will be performed. 