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A Cimino fistula, also Cimino-Brescia fistula, surgically created arteriovenous fistula and (less precisely) arteriovenous fistula (often abbreviated AV fistula or AVF), is a type of vascular access for hemodialysis.
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 .
An arteriovenous graft serving as a fistula for hemodialysis access. A vascular bypass is often created to serve as an access point to the circulatory system for hemodialysis. Such a bypass is referred to as an arteriovenous fistula if it directly connects a vein to an artery without using synthetic material. [citation needed]
This also can prolong fistula life and help prevent damage to the fistula. A recent study that was published in The American Journal of Pathology, provides information about the mechanisms underlying failure of the most common type of hemodialysis vascular access, the arteriovenous fistula. In spite of AV Fistula being one of the most preferred ...
Vascular access steal syndrome is a syndrome caused by ischemia (not enough blood flow) resulting from a vascular access device (such as an arteriovenous fistula or synthetic vascular graft–AV fistula) that was installed to provide access for the inflow and outflow of blood during hemodialysis.
An anastomosis connecting an artery to a vein is also used to create an arteriovenous fistula as an access for hemodialysis. [citation needed] Gastrointestinal (GI) tract: Esophagus, stomach, small bowel, large bowel, rectum, bile ducts, and pancreas.
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Surgically created arteriovenous fistulae are preferred over catheters for patients with chronic kidney failure, [2] as the risk of infections (e.g., endocarditis, bacteremia), hospitalization and death are lower. [3] [4]