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AV Fistula vs. AV Graft

Updated on Nov 30, 2021 by Dr. George Bolotin (Vein & Vascular Specialist) of Vein & Vascular Medical Care

With all the decisions you have to make and the disruptions to your life when you learn that you need to undergo kidney dialysis, the last thing you need to worry about is which type of access port you need. Instead, rely on the experience and expertise of Dr. George Bolotin at the Astra Vein Treatment Center in Brooklyn, NY. He provides you with the best recommendation for your particular situation, which can make your treatments easier and faster. Dr. Bolotin is an Interventional Radiologist, with a focus on vascular conditions, so he’s the perfect specialist for this decision. Call now for a consultation.

What Is an AV Fistula and an AV Graft?

AV Fistula vs. AV GraftAV stands for arteriovenous, which means affecting or relating to a vein or an artery. AV fistula and AV graft are surgical vascular access options that you need before you begin regular hemodialysis treatments. AV fistula, used for long-term dialysis, connects a selected artery and a vein directly. An AV graft connects the artery and vein indirectly, through a tube and graft.

Hemodialysis is a kidney treatment in which blood goes into an external machine called a dialyzer. The dialyzer filters out wastes and extra fluid from your blood and pumps the blood back into your body. For effective hemodialysis, the dialyzer requires large amounts of blood. AV fistula and AV graft placement allow large amounts of blood to flow continuously and smoothly during dialysis.

Dr. George Bolotin, an Interventional Radiologist who specializes in vascular conditions, founded the Astra Vein Treatment Center in Brooklyn, New York. He dissects the AV fistula vs. AV graft debate. Rely on his expertise to provide you with the best dialysis port before you begin your life-saving treatments.

The AV Fistula vs. AV Graft Debate: Which Is Better?

Your vein specialist spends considerable time examining you and your blood vessels before making a recommendation. In conjunction with your nephrologist, Dr. Bolotin provides you with the best advice when choosing between a dialysis graft vs. fistula, both of which are effective access options. Points to consider include:

  • Effectiveness. An arteriovenous fistula is a long-term vascular access option for hemodialysis, while an AV graft typically is only good for two to three years.
  • Risks. AV graft carries more risks, including a higher risk of infection and blood clots, although even those are greatly reduced when you rely on an experienced vein specialist like Dr. Bolotin.
  • Type of access. An AV fistula doesn’t require any artificial material, unlike an AV graft, which requires the use of a synthetic tube.
  • Blood flow rate. AV fistulas provide greater blood flow for more effective dialysis and reduced treatment times.
  • Solution for problem veins. An AV graft is a solution for smaller and weaker veins, which can’t tolerate the AV fistula process.
  • Time. The AV graft is available for use within two to four weeks after placement, whereas an AV fistula takes months before it’s ready to use.

To decide between an AV fistula vs. AV graft for your vascular access, doctors consider these pros and and cons and what your particular needs are at the time. The decision determines which procedure is best for you and your needs.

How Is an AV Fistula Created?

An arteriovenous fistula (AV fistula) is a surgical access procedure to connect an artery and a vein directly. The higher flow and pressure of blood in the vein is necessary for adequate hemodialysis treatment. You can use an AV fistula for long-term dialysis. The procedure involves:

  • Vessel mapping. Minimally invasive imaging tests are done to review the size and depth of your arteries and veins.
  • AV fistula preparations. After selection of an access site, your vascular specialist administers local anesthesia. The vascular specialist then makes an incision to allow access to the selected arteries and veins.
  • AV fistula creation. Your vein doctor makes a surgical connection between an artery and a vein that allows blood to flow from the artery into the vein.
  • Recovery. You may need to wait for up to a couple months to allow the AV fistula to heal before it’s ready for your hemodialysis treatments.

Vascular access offers a lifeline for hemodialysis treatments. When AV fistula placement is done properly, you get a long-term vascular access for more effective management of end-stage renal disease. When you have to wait for an organ donor for a transplant, the hemodialysis treatments keep you alive and well.

How Is an AV Graft Procedure Performed?

An arteriovenous graft is a vascular access procedure that uses a looped, synthetic tube to connect an artery to a vein. This outpatient procedure is recommended for those who need to start dialysis more urgently or for those with small or thin veins. The procedure for an AV graft involves:

  • Review of the veins or arteries to determine their health
  • Selection of an access site
  • Preparation of the access site with local anesthesia
  • AV graft placement, during which your Brooklyn vascular specialist connects an artery to one end of the grafted tube and then loops the graft under the skin and back to the incision where it connects to a vein
  • Blood flow from the artery into the graft and then into the vein
  • Hemodialysis, which begins after the healing process

To choose between a dialysis shunt vs. fistula, a vascular surgeon has to carry out a thorough review of your veins. The team at the Astra Vein Treatment Center uses the latest medical equipment for imaging tests to decide on the AV shunt vs. fistula question. Contact the vascular specialists  in Brooklyn for the most effective vascular access.

 

Dr. George Bolotin has either authored or reviewed and approved this content. Vein & Vascular Medical Care
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