Diagnostic Testing

Vein Mapping for an Arterial-Venous Fistula for Dialysis (AVF)

The United States has a Fistula First program, mandating that surgeons place an arterial-venous fistula (AVF) in the wrist whenever possible, as the first step in providing dialysis for patients suffering from end-stage renal failure.  Ultrasound is used to image and assess the arm veins and arteries for the most appropriate area to place an AV fistula.  After 10 weeks of seasoning, the graft will be ready to use in dialysis treatments.  Using the graft prior to this time will ensure quick failure of the graft.  When planning placing a graft of this type, your physician will provide a referral to the Vascular Lab prior to your surgery date.  We will assess the veins, and then map out their location, diameters and patency.
Indications for this exam:  Chronic and end-stage renal failure.
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