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Doctor insights on: What Does A Dialysis Fistula Actually Do

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What does a dialysis fistula actually do?

What does a dialysis fistula actually do?

"short circuit": A patient who is on dialysis needs the machine to clean toxins from the blood that the kidneys usually do. The patient's blood needs to get out of the body, through the machine, and back into the body. A dialysis fistula is made by sewing a vein to an artery. This short-circuits the blood flow and the vein becomes dilated because it experiences arterial pressures. This can be used for access. ...Read more

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Dr. Quresh Khairullah
505 doctors shared insights

Dialysis (Definition)

Simple answer is that it is a medical technology used primarily to provide an artificial replacement for lost kidney function in people with renal failure. Hemodialysis remove wastes and excess water from the blood by circulating blood outside the body through an external filter, called a dialyzer. Blood and dialysate flow through in opposite directions and the ...Read more


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What does a fistula for dialysis really look like?

What does a fistula for dialysis really look like?

A fistula: A fistula for dialysis is created by connecting a vein in the arm to an artery and giving it usually 6-8 weeks to mature. A good fistula is anatomically not visible but felt through the thrill and bruit it creates. So you should not be able to know the location of a fistula if it is well done. ...Read more

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What does it mean to be fitted with a fistula for dialysis?

What does it mean to be fitted with a fistula for dialysis?

Surgery: Arm vein connected to arm artery. The vein is used for dialysis access once it has been allowed to grow in size ( maturing ). ...Read more

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How does a fistula work to dialysis patient?

How does a fistula work to dialysis patient?

Arterial Diversion: When an artery is connected to a vein, the vein walls thicken and become muscular (due to the new high arterial pressure). This makes finding the vein easier. More importantly, the large bore needles can be removed and pressure held, with clot forming in the muscular walls, to stop the bleeding. If the veins weren't muscular, putting the needle in and taking it out safely, aren't possible. ...Read more

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Dialysis shunt and dialysis fistula the same?

No: A shunt, or graft, is a piece of synthetic tubular material inserted under the skin that dialysis needles insert directly into. A fistula is a connection of your own artery to a vein. Needles are then placed into the vein when the wall thickness matures. ...Read more

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How long after dialysis fistula can you go swimming?'

Wound healing: Once the surgical site has healed, you can go swimming. Should be about 2-3 weeks. Get a final ok from your surgeon. ...Read more

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What does an av fistula for dialysis mean?

What does an av fistula for dialysis mean?

Arteriovenous fistul: It is an arteriovenous fistula. It is a surgical connection of an artery and a vein. Once "mature", it is where they insert the needles for the blood to flow to the dialysis machine. It can take 3 months or so from "creation" until it is ready to use. ...Read more

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What is the process of decloting an av fistula for dialysis patients?

What is the process of decloting an av fistula for dialysis patients?

Two methods : There are two methods: mechanical or chemical. Occasionally both methods are used. In general, the doctor accesses the av graft or fistula with a needle and places a tube into the graft. He then uses wires and catheters to cross the clot and inject clot busting meds. There are devices he can use that also break up clot. Or, he can open the graft and use special balloons to pull clot out. ...Read more

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On dialysis patient having some problems all fistula are failed and both juglar are block and capd also non working further what I do I m a tech pl?

Transplant?: Are you a transplant candidate? If not and you need hemodialysis an interventional radiologist can likely evaluate you for and subsequently place a dialysis catheter directly into your inferior vena cava. Check with your nephrologist or surgeon for an appropriate referral. ...Read more

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Fistula (Definition)

A fistula is an abnormal connection between two places. Most commonly, it originates somewhere in the intestine and communicates to another location in the intestine or in the skin. A fistula can develop after abdominal surgery, with inflammatory bowel disease, cancer, anorectal abscess, and ...Read more