Overview of the Condition
What is arteriovenous (AV) fistula creation?
AV fistula creation, also known as a dialysis fistula, is a minor surgical procedure that creates a connection between an artery and a vein, usually in the non-dominant arm. This provides easy and reliable access to the bloodstream for hemodialysis.
An AV fistula is the most commonly used type of dialysis access because it provides efficient blood flow and has a lower risk of complications, such as blood clots and infection.
An AV fistula is recommended for patients who require hemodialysis due to kidney failure (end-stage renal disease, ESRD). Kidney failure may result from conditions such as high blood pressure (hypertension), diabetes, or lupus.
Instructions before the procedure
- The surgeon explains the procedure and obtains the patient's consent
- A physical examination is performed to ensure the patient is fit for surgery
- The healthcare provider reviews the patient's:
- Medical history
- Current prescription and over-the-counter (OTC) medicines, including herbal supplements
- Allergies
- Patients taking blood-thinning medicines may be advised to stop them before the procedure, as instructed by the healthcare provider
- Once they determine you’re healthy enough for surgery Your healthcare provider performs an ultrasound of your arm to check your veins and choose the best site for the AV fistula
Step-by-step overview
- The AV fistula is usually created in the non-dominant arm, near the wrist or elbow
- A small incision is made in the skin
- The surgeon connects an artery to a nearby vein to create the AV fistula
- The incision is closed with stitches, which are usually dissolvable
Type of anaesthesia
- The procedure is usually performed under local anaesthesia (which numbs a small area of the arm) or regional anaesthesia (which numbs the entire arm)
- The patient remains awake during the procedure
- In some cases, general anaesthesia may be used if local or regional anaesthesia is not suitable
Duration
- The procedure usually takes about one hour
Risks and Complications
Common risks
- Infection
- Narrowing of the artery or vein
- Blood clots in the artery or vein
- Numbness
- Swelling of the arm
Rare but serious complications
- Enlargement of the artery or vein
- Reduced blood flow to the arm or hand
Benefits and Outcomes
How it improves quality of life
An AV fistula is considered the preferred long-term access for hemodialysis because it offers several benefits:
- Supplies excellent blood flow once it has healed
- Lasts longer than a dialysis graft
- Has a lower risk of developing blood clots or other blockages
- Provides efficient blood flow for effective dialysis
- Improves the amount of dialysis received during each treatment session
- Has a lower risk of infection than temporary dialysis catheters
- Reduces damage to blood vessels and helps preserve future dialysis access sites
- Does not require external tubes or artificial materials inside the body
- Allows patients to bathe, shower, and swim more easily after the fistula has healed
During Hospital Stay
- A vascular surgeon creates an AV fistula
- After the procedure, the patient is monitored until stable and is discharged according to the healthcare provider's advice
Post-procedure monitoring
- The AV fistula usually requires several weeks to a few months to heal before it can be used for hemodialysis
- The healthcare provider may recommend stress ball exercises to help strengthen and enlarge the fistula
- The patient should check the fistula every day by feeling for a vibration (thrill), which indicates good blood flow
- Once the fistula has healed, it is ready for hemodialysis. During dialysis, two needles are inserted into the fistula; One carries blood to the dialysis machine for cleaning, and the other returns the filtered blood to the body
Recovery and Aftercare
Hospital stay / Recovery timeline
- An AV fistula usually takes several weeks to a few months to heal before it can be used for hemodialysis
- Healing time varies from person to person
- During recovery, the healthcare team regularly checks the fistula to ensure it is becoming larger, stronger, and ready for dialysis
Activity restrictions
- Avoid sleeping on the fistula arm
- Avoid using a cuff on your affected arm to check your blood pressure
- Avoid lifting heavy objects with the fistula arm
- Keep the fistula arm clean and wash it daily
- Do not wear tight clothing, watches, or bracelets on the fistula arm
- Do not allow blood pressure measurements or blood samples to be taken from the fistula arm
When to contact a healthcare provider
Contact your healthcare provider or kidney care team immediately if you experience:
- Redness, swelling, warmth, or pain around the fistula
- Cold, numb, painful fingers, or reduced hand strength
- Loss of the normal vibration ("thrill" or "buzz") in the fistula, as this may indicate a blockage
- Excessive bruising or swelling around the fistula
- Bleeding from the fistula between dialysis sessions
- Any signs of infection or any sudden changes in the appearance or function of the fistula
Follow-up
- Attend all scheduled follow-up visits to monitor the healing and function of the AV fistula
- During recovery, the healthcare team checks the fistula to ensure it is becoming larger, stronger, and ready for hemodialysis
- The healthcare provider will advise when the fistula has healed completely and can be safely used for dialysis
- With proper care and regular follow-up, an AV fistula can function well for many years or even decades
Myths and Facts
An AV fistula is the same as dialysis.
An AV fistula is not dialysis. It is a special blood vessel access created to make hemodialysis safer and more effective.
An AV fistula is an artificial tube placed inside the arm.
An AV fistula is created by connecting one of your own arteries to a nearby vein. No artificial material is used.
If I can feel a vibration in my fistula, something is wrong.
A gentle vibration, called a "thrill," is a sign that blood is flowing properly through the fistula and is usually a good sign.
You cannot use your fistula arm after surgery.
You can use your arm for normal daily activities once it has healed, but you should avoid heavy lifting, tight clothing, blood pressure checks, and blood draws on that arm.
FAQs
1. Will I need to stay in the hospital after the procedure?
Most AV fistula procedures are performed as day-care surgery, and many patients can go home the same day if they are medically stable.
2. Can I travel if I have an AV fistula?
Yes. Many people with an AV fistula travel safely. Plan your dialysis sessions and continue to protect your fistula while travelling.
3. Can I shower or bathe after an AV fistula is created?
Yes. Once the incision has healed, you can usually shower and bathe normally. Follow your healthcare provider's instructions on wound care during the healing period.
4. Will the needles damage my fistula?
No. Dialysis needles are designed to be used in the fistula. With proper technique and care, the fistula can continue to function well for many years.
5. Why is an AV fistula preferred over other dialysis access options?
An AV fistula provides better blood flow for dialysis, lasts longer, and has a lower risk of infection and blood clots than dialysis catheters or grafts.
References
1. Dialysis Fistula. Cleveland Clinic. Available from https://my.clevelandclinic.org/health/procedures/dialysis-fistula. Accessed on 24 July 2026.
2. Haemodialysis access with an arteriovenous fistula. Kidney Care UK. Available from https://kidneycareuk.org/kidney-disease-information/treatments/haemodialysis/vascular-access-for-dialysis/patient-info-haemodialysis-access-with-an-arteriovenous-fistula/. Accessed on 24 July 2026.
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