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Ligating an arteriovenous fistula involves tying off the vein where it is joined to the artery. It is usually recommended if the fistula is causing problems. Surgery is usually safe and effective but complications can happen.Click to see full answer. People also ask, what is an AV fistula for dialysis?The best type of long-term access is an AV fistula. A surgeon connects an artery to a vein, usually in your arm, to create an AV fistula. The AV fistula is a blood vessel made wider and stronger by a surgeon to handle the needles that allow blood to flow out to and return from a dialysis machine.Also Know, what is the difference between AV fistula and shunt? An AV fistula is an abnormal connection between an artery and a vein, and is sometimes surgically created to help with haemodialysis treatment. In these cases, a shunt graft is inserted to aid the treatment. Unfortunately, sometimes the shunt will fail, known as graft malfunction. Correspondingly, can AV fistula be removed? The greatest danger is that clots may block the fistula and would have to be removed surgically. Frequent clotting may require creating a back-up fistula at another site, to allow dialysis when one access is blocked. There are other complications from dialysis that are not directly related to the vascular access.What is the most common complication of AV fistula?The most important complications of fistulae for HD are lymphedema, infection, aneurysm, stenosis, congestive heart failure, steal syndrome, ischemic neuropathy and thrombosis. In HD patients, the most common cause of vascular access failure is neointimal hyperplasia.

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