[Orthograde, free, femoro-popliteo-crural, venous bypass]

A new method of autologous vein bypass with the nonreversed free transplanted great saphenous vein is described. By this technique, 53 patients received long femoropopliteal and 10 patients femorocrural bypasses, between March, 1973, and March, 1976. Patency rate was 88% after 1 year and 84% after 3 years. Operative procedure and results are reported in detail.