AV Fistiula - Vascular Access

AV Fistula

Normally, blood flows from arteries into the veins through capillaries. In the case of arteriovenous (AV) Fistula, blood detours some of the capillaries and flows directly into the vein from an artery. In such cases, tissues present below the detoured capillaries receives less blood.

AV Fistula is commonly placed in the legs, however, this can happen anywhere in the body. AV Fistula is often surgically constructed for dialysis purposes in patients suffering from severe kidney disease. A neglected AV fistula may lead to complications. Our doctors monitor the av fistula if one is created for dialysis. 

Surgical AV Fistula is built by connecting the artery to the vein- usually in the arm. This procedure can be performed using local anesthesia. During the blood flow, the veins grow bigger because the blood flows directly into the veins from the artery. To strengthen the fistula, patients are taught to practice some exercises like squeezing a rubber ball. In six weeks, the fistula is matured and ready for hemodialysis.


Renowned experts at the National Kidney Foundation (NKF), Centres for Medicare and Medicaid Services (CMS), and the American Association Of Kidney Patients (AAKD) consider AV fistula the 

Gold Standard access choice. AV Fistula reduces the chances of infections or clotting.

To increase the usage of Fistulas for hemodialysis, CMS has sponsored an initiative called ‘Fistula First’, throughout the United States. 

AV Fistula is considered the ‘gold standard’ due to the following reasons:

Compared to other access types, AV Fistula has

  • -Less vulnerable to infections
  • -low risk of blood clots
  • -better performance
  • -permits substantial blood flow
  • – Lasts Longer
  • -If maintained well, it can last for decades

Patients may face a few issues with Fistula like

  • -upsurge in veins at the access area
  • – prolonged maturity period
  • – unable maturing in some cases

Few among millions may have weak arteries, veins, or other health issues resulting in Fistula. However, it is best to consult your physician to discuss the access options.

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