Cyanoacrylate closure for arteriovenous fistula in the lower extremity with saphenous vein insufficiency.

A lower extremity arteriovenous fistula (AVF) is sometimes associated with venous disease following venous hypertension, especially when the saphenous vein is the main return route. This can cause venous dilation, leading to valve insufficiency. A complete cure can be difficult in cases with multiple vascular branches.