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A synthetic tube surgically implanted to connect an artery to a vein for hemodialysis access when native vessels are unsuitable for AV fistula creation.
An arteriovenous graft (AVG) is the second-line vascular access option when native vessels are inadequate for AV fistula creation. Made of polytetrafluoroethylene (PTFE), the graft is tunneled under the skin between an artery and vein. AV grafts have higher complication rates than AV fistulas — including thrombosis (20-60% annual thrombosis rate), infection, and pseudoaneurysm formation — but offer faster maturation (2-4 weeks) and easier cannulation. The Fistula First Breakthrough Initiative (CMS, 2003) targets AVF rates >50% among prevalent hemodialysis patients to reduce AVG and CVC dependence.
A surgical connection between an artery and a vein, typically in the forearm, created to provide reliable vascular access for hemodialysis.
The surgical connection created to allow blood to flow between the patient's circulatory system and the dialysis machine during hemodialysis sessions.
A medical procedure that filters waste products, excess fluids, and toxins from the blood using a dialysis machine when the kidneys can no longer perform this function adequately.
A flexible tube inserted into a large central vein (usually internal jugular) to provide temporary or permanent vascular access for hemodialysis when AV fistula or graft is unavailable.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.