May 17, 2022 · An arteriovenous (AV) fistula is an irregular connection between an artery and a vein. Blood flow avoids tiny blood vessels (capillaries) and moves directly from an artery into a vein. Arteriovenous fistulas usually occur in the legs but can develop anywhere in the body.

Jul 5, 2022 · What is an arteriovenous fistula? An arteriovenous fistula is a medical condition where an artery and vein connect directly, causing blood to flow between them. It can happen at virtually any place in your body where an artery and vein are close together, especially inside of your organs and limbs (arms and legs).

Mar 19, 2024 · What Is an Arteriovenous (AV) Fistula in Dialysis? An arteriovenous (AV) fistula connects an artery to a vein in your arm. This provides a stronger access point for the needles from a...

Nov 21, 2022 · Arteriovenous fistulas (AVFs) are abnormal connections between arteries and veins. AVFs can be surgically created, can occur as a result of a congenital or genetic anomaly, or can be secondary to iatrogenic injury or trauma. Other than the surgically created types of fistulas, these are quite rare.

What is an AV fistula? An AV fistula is a connection that’s made between an artery and a vein for dialysis access. A surgical procedure, done in the operating room, is required to stitch together two vessels to create an AV fistula. The access point must be durable enough to withstand dialysis treatment several times a week without collapsing.

An arteriovenous fistula is an abnormal connection or passageway between an artery and a vein. [1] It may be congenital, surgically created for hemodialysis treatments, or acquired due to pathologic process, such as trauma or erosion of an arterial aneurysm. [2]

An arteriovenous fistula, or AVF, is an abnormal connection of vessels in the tissues around the brain or spinal cord. It happens when one or more arteries directly connect to one or more veins or venous spaces called sinuses.