The presence or absence of a web is not always clearly evident on images, even high-quality venograms. Symptoms may be acute, as in those patients with iliofemoral venous thrombosis, but are more commonly chronic.
Conservative therapy includes elevation and compression of the left leg.
More definitive therapy aimed at relieving or bypassing the venous obstruction has, until recently, required operative intervention. Alternatives to surgical intervention for the treatment of venous obstruction have been developed. The Wallstent was chosen because of its variable length and flexibility. These attributes are especially useful in the pelvis, where vessels course along curved surfaces. Symptomatically, while both patients experienced immediate initial improvement, they currently have left leg swelling and discomfort, although diminished in severity.