Overview

Arterio-venous fistula

An arterio-venous (AV) fistula is the preferred long-term access for hemodialysis, created by joining an artery and vein in the arm. Dr. Anil K. Patel provides AV fistula creation and complete vascular-access care.

Nephrology & Dialysis · Surat

Arterio-Venous Fistula (AVF)

The gold-standard access for haemodialysis — a durable, natural connection in your own arm that makes every dialysis session safer and more effective.

14+Years of practice

2Clinics in Surat

About the procedure

What is an AV fistula?

An arterio-venous fistula (AVF) is a surgically created connection between an artery and a vein, usually in the arm. It is the access point for haemodialysis — over several weeks it strengthens into a durable, high-flow vessel that can be needled repeatedly, allowing blood to be drawn, filtered, and returned during each session.

At The Kidney Clinic, Dr. Anil K. Patel and the vascular-access team create and care for your fistula, giving you reliable, long-lasting dialysis access.

Why it's preferred

Why the AVF is the gold standard

An AVF offers real advantages over catheters and grafts:

The longest-lasting access, with fewer site changes
A lower infection risk than catheters
Higher blood flow for more effective dialysis
A reduced clotting risk thanks to its natural configuration

How it works

The AVF procedure

Evaluation & vessel mapping

A physical examination plus ultrasound and vascular imaging assess blood flow and identify the most suitable artery and vein for the fistula.

Surgery

Under anaesthesia, the surgeon joins an artery and a nearby vein — by direct suturing, or with a synthetic graft where needed — to form a robust vessel.

Maturation

Over several weeks to a few months, the connection develops — the vessel thickens and strengthens so it can withstand repeated needle insertions.

First use

Once mature, the fistula is used for dialysis, providing the steady, high blood flow that effective treatment needs.

Ongoing care

Regular monitoring of the fistula's flow and the access site keeps it healthy and catches any problems early.

Good to know

Care & complications

AVFs are generally safe and durable, but possible complications include:

Infection
Clotting
Bleeding
Stenosis (narrowing) of the access site

To protect your fistula: shield the access arm from injury and pressure, avoid tight clothing or accessories, keep the site clean and dry, watch for signs of infection, clotting, or reduced flow, and follow your dialysis schedule. Report anything unusual to your team promptly.

Why patients trust us

Why choose Dr. Anil K. Patel

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14+ years of dedicated nephrology and dialysis practice

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Specialist training at MPUH Nadiad under Dr. M.M. Rajapurkar

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Nephrologists and vascular-access surgeons working together

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Transplant centre partnerships with Mahavir Hospital & Universal Hospital

AVF creation with vessel mapping and long-term access care

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Care in English, Hindi & Gujarati, with prompt response

Good to know

Frequently asked questions

What is an arterio-venous fistula (AVF)?

A surgical connection between an artery and a vein, usually in the arm, that creates reliable access to the bloodstream for haemodialysis — letting blood be drawn, filtered, and returned efficiently.

Why is AVF important for dialysis?

It provides a reliable, long-lasting access point with blood-flow rates suited to effective dialysis, while reducing the infection and clotting risks seen with other access methods.

How is an AVF created?

Through surgery that joins an artery and a nearby vein — by direct suturing or, where needed, a synthetic graft — to form a larger, robust vessel for repeated needling.

How long does an AVF take to mature?

It varies — usually several weeks to a few months — as the vessel adapts, thickens, and grows strong enough to withstand the needle insertions dialysis requires.

What are the benefits over other access?

It's the gold standard — longer-lasting, lower infection risk than catheters, better blood flow for effective sessions, and a reduced clotting risk thanks to its natural configuration.

How do I care for my AVF?

Protect the access arm from injury and pressure, avoid tight clothing, keep the site clean and dry, watch for infection or reduced flow, and follow your dialysis schedule.

Are there potential complications?

Generally safe, but complications can include infection, clotting, bleeding, and stenosis (narrowing). Regular monitoring and prompt reporting help manage these.

Can every dialysis patient have an AVF?

Not always. The condition of your blood vessels, overall health, and history all matter. Where an AVF isn't suitable, a graft or central venous catheter may be used instead.

How do I prepare for AVF surgery?

Discuss your history and concerns with your nephrologist or surgeon, undergo tests to check your vessels' suitability, and follow any pre-surgery instructions from the team.

Where can I learn more?

Speak with Dr. Anil K. Patel or your healthcare provider for personalised guidance on AVF

and dialysis access for your situation.

Preparing for dialysis access?

Speak directly with Dr. Anil K. Patel about AVF — the safest, longest-lasting access for your haemodialysis.

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Arterio-venous fistula