An increased pressure gradient across the stenosis, or the presence of collateral circulation through the retroperitoneal, vertebral, intercostal, and azygos veins, are better indications of the ...

Running from the top of the foot (dorsum) and up the inner sides of the leg, the great saphenous vein is the body’s longest vein. The vein’s primary task is to drain deoxygenated blood from the foot, ...