An Arteriovenous fistula or AV Fistula creation is a surgical connection made by a Vascular Surgeon between an artery and a vein for a patient diagnosed with End Stage Renal Disease or ESRD. Typically they are located in the arm and are created to allow for long term Hemo-Dialysis access. AV Fistula connections are the preferred access method for patients needing long term dialysis because of their long term functionality.