What is the role of direct contrast venography in the diagnosis of venous insufficiency?

Updated: Oct 22, 2018
  • Author: Robert Weiss, MD; Chief Editor: William D James, MD  more...
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Direct contrast venography (see the image below) is a labor-intensive and invasive imaging technique. In most centers, it has been replaced by duplex sonography for the routine evaluation of venous disease. However, the technique remains useful in difficult or confusing cases.

Venogram demonstrating incompetent perforating vei Venogram demonstrating incompetent perforating veins.

An intravenous (IV) catheter is placed in a dorsal vein of the foot, and radiographic contrast material is infused into the vein. A superficial tourniquet is placed around the leg to occlude the superficial veins and force the contrast material into the deep veins.

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