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Abstract Introduction: Construction of vascular access using subcutaneously placed to join an artery to a vien is increasly necessary in patients with poor peripheral veins or previously failed arteriovenous fistulas. Interposition grafts in the lower extremity are used for patients who have no usable vessels available in the upper arms. Experience with groin hemodialysis prosthetic access has been discouraging because of high infection rate and associated limb amputation. Objective: Determine infection rate, patancy rates, and possible prediative factors for prosthetic thigh angioaccess outcomes in our hemodialysis patient’s population. Materials and Methods: In this prospective study 41 patients who were underwent placement of thigh vascular access graft at Sina Hospital ¸Tehran University of Medical Sciences, were selected between Jan 2000 and July 2003. Data were recorded base on demographic and complications variables and analyzed by Kaplan-Meier & long rank tests Results: In this study the primary of thigh prosthetic graft were, 76%, 70%, 67%, and 60% at 3,6,9, and 12 months after placement respectively. There were 14(34%) access failures, related to infection in 2 case (4.8%), thrombosis in 10 cases (24.4%) and psuedoaneurysms in two cases (4.8%). There was no limb ischemia, no significant difference in infection or graft patancy rate which were found by patient age and gender. Conclusion: In this study, infection and thrombosis rate of thigh access was not more than other studies. Thigh vascular access with PTFE could be used for patients who have no usable vessels available in the upper arms.

Keywords: Catheters- Indwelling, Grafts, Hemodialysis

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