Objective: The choice of artificial conduit is issue of the day so far. The use of Dacron versus PTFE as a conduit in aortoiliac position is based on the preference of the surgeon. PTFE "Ecoflon" vascular grafts manufactured since 1994 may be used in surgery of aortoiliac lesions together with foreign analogues. Material and Method: 197 executive patients with aortoiliac lesions were consecutively treated using linear or bifurcated PTFE "Ecoflon" vascular grafts. In-hospital (30-days) mortality, amputation rate, patency rate and complication rate were analysed in the early postoperative period. Primary patency, secondary patency, limb salvage, survival rates, infection complications and false aneurysms were assessed for estimate of long-term results. Histological study of distal anastamotic sites was performed in the patients with postoperative thrombotic events after re-intervention. Results: 'Ecoflon' polytetrafluorethylene vascular grafts are highly biologically inert. This is confirmed by histological examination. Limb salvage, primary and secondary patency rates have demonstrated that PTFE "Ecoflon" vascular grafts provide long-term maintenance of adequate blood flow through bypass under favorable haemodinamic conditions. The rates of complications directly related to qualities of vascular conduit (graft infection, false aneurysms, bleeding from anastamotic sites) were compared with the data of published studies. Conclusion: 'Ecoflon' PTFE vascular grafts are biologically inert prostheses, possessing structural porosity and no surgical porosity, with original arrangement of fibrils. Grafts can be sterilized using modern sterilization methods. In addition, they have favorable biomechanical properties (elasticity, extensibility, flexibility and durability). In our opinion, PTFE "Ecoflon" vascular grafts meet the requirements to "ideal vascular conduit" postulated by J.F. Vollmar in 1962.
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