Factors associated with recanalization and reintervention following below knee polidocanol endovenous microfoam ablation for great saphenous and small saphenous veins.

PEM is successful for the treatment of BK GSV and SSV reflux with a closure rate of 89% at a mean of 231 days and shows promise as salvage therapy. Most cases of recanalization were noted in the early postprocedure period and were associated with a lower PEM volume. A larger vein diameter, male sex, and anticoagulation use are associated with higher rates of recanalization.