An arteriovenous endovascular fistula is used primarily for hemodialysis treatment. An arteriovenous endovascular fistula is a minor vascular anastomosis procedure in which an artery in the forearm near the wrist is sutured to an adjacent vein so that arterial blood flows through the anastomosed vein, forming an arteriovenous endovascular fistula. The arteriovenous endovascular fistula can provide sufficient blood for hemodialysis treatment and guarantee the adequacy of dialysis treatment. The arteriovenous endovascular fistula is a common vascular access for maintenance hemodialysis patients; 2. It has the advantages of safety, adequate blood flow (200~300ml/min), and low chance of infection; 3. Contraindications: 1. Patients are expected to survive for less than 3 months; 2. Patients with unstable cardiovascular status, uncontrolled heart failure or hypoglycemia; 3. Infection at the surgical site; 4. Pacemaker catheter installed in the ipsilateral subclavian vein.
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