“…While some authors have reported deep venous reflux resolution after saphenous vein stripping procedures, 3,4 others have reported poor clinical outcomes after saphenous removal in the presence of deep venous insufficiency. 5 We have recently observed that patients with superficial reflux commonly display low velocity reflux in the deep veins, most often in the popliteal segment, that persists longer than 0.5 seconds, satisfying the criteria for deep venous reflux.…”