Sapheno femoral junction (SFJ) incompetence has been considered the most important cause of chronic venous insufficiency in a high percent of cases since the beginning of history varicose veins treatment. As a consequence SFJ dissection, ligation and section has been practiced all along the last century, generally associated to great saphenous vein stripping, with the porpoise of stopping the effect of hydrostatic pressure considered the origin of varicose veins. Recurrence prevalence at the site of SFJ, even in correctly performed dissection suggests that this attitude may not be the ideal one. Moreover, with the introduction of catheter-based systems of endovenous heating of the great saphenous vein with radiofrequency or endovenous laser ablation, it was shown that venous ablation could be achieved without high ligation of the SFJ. Also foam sclerotherapy demonstrated good results, even if less effective, always leaving the SFJ untouched. Following this trend several methods have been suggested that spare the SFJ, so that this site have lost its strategical importance. In this review history of the SFJ involvement in the varicose vein strategy is analyzed with particular attention to the new generation methods, technology assisted, launched on the market.
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