How is the AV fistula procedure performed?
A surgeon usually performs the procedure in the operating room. You receive a local anesthetic (numbing medicine) at the proposed site along with IV sedation to relax you. Discomfort is minimal and you may even fall asleep during the 1 to 2 hour-long procedure. The surgical incision is usually only 2 to 4 inches long. Generally you are able to return home later that same day. The fistula usually requires from 8 to 12 weeks for the veins to dilate prior to initial use. Despite excellent technique, some patients may suffer complications from the AV fistula procedure. Infection, bleeding, arm swelling and/or tingling in the fingers may occur postoperatively. An unusual, but serious, complication can occur when the arterial blood that is supposed to reach the hand is redirected through the fistula. Sometimes the fistula functions so well that not enough blood reaches the hand causing ischemia (lack of oxygen). This condition is called “steal” and usually requires surgical procedure to esta