Patient Resources 8 min read·Updated 22 July 2026 Clinician-reviewed

AV Fistula Care

A UK Consultant Nephrologist's practical guide to looking after your arteriovenous fistula — the lifeline for haemodialysis.

  • Clinically Reviewed
  • NHS & NICE Aligned
  • UK Evidence-Based
  • Last Reviewed 22 July 2026

Professor Mohammed Mahdi Althaf

Consultant Nephrologist & Acute Physician

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Professor Mohammed Mahdi Althaf

MD, MSc, PgDip (Clin Ed), FRCP, FHEA, FASN

Consultant Nephrologist & Acute Physician · GMC 7216325

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Direct answer

A fistula is your dialysis lifeline. Check it every day (look, listen, feel), protect the arm from injury, never let anyone take BP or blood from it, and call the unit immediately if the thrill stops or it looks infected.

Key recommendation: Daily LOOK, LISTEN, FEEL checks.

Quick answer

✓ Best choices

  • Higher-quality protein at every meal: eggs, fish, chicken, lean meat
  • Lower-phosphate, lower-potassium snacks between meals
  • Phosphate binders taken with food exactly as prescribed
  • A vitamin approach in line with renal nutrition principles (water-soluble B and C are commonly recommended; high-dose vitamin A is avoided)

✓ Foods to limit

  • High-phosphate foods: hard cheese, processed meats, cola, phosphate additives
  • Very high-potassium foods: bananas, oranges, tomatoes, potatoes (unless leached), avocado, chocolate
  • Fluid above your daily allowance — including soup, ice and high-water fruit

Key takeaway

A fistula is your dialysis lifeline. Check it every day (look, listen, feel), protect the arm from injury, never let anyone take BP or blood from it, and call the unit immediately if the thrill stops or it looks infected.

Who should be cautious

People on dialysis, post-transplant, pregnant or breastfeeding, or taking prescription medication — confirm with your renal team before changes.

AV Fistula Care

The first 6 weeks (maturation)

After fistula surgery:

  • Keep dressing dry for 48 hours.
  • Remove dressing, leave open to air.
  • Stitches dissolve or are removed at 2 weeks.
  • Start ball-squeezing exercises at week 1: squeeze a soft ball 20 times, 4 times daily — promotes vein enlargement.
  • Avoid the arm for BP, bloods or IV cannulation FROM DAY ONE.
  • Sleep with the arm elevated on a pillow for the first 2 weeks.

Daily care routine

Every morning:

  • LOOK: check for redness, swelling, bruising, oozing, pus.
  • LISTEN: ear or stethoscope over the fistula — continuous whoosh (bruit) should be heard.
  • FEEL: light fingertips over the fistula — soft vibration (thrill) should be felt.

If bruit or thrill changes (faint, absent, pulsatile rather than continuous): call the dialysis unit immediately. Clotted fistulas can sometimes be saved within hours.

What to avoid

On the fistula arm, NEVER:

  • Have blood pressure measured
  • Have blood drawn (except by dialysis staff)
  • Have an IV cannula inserted
  • Wear tight watches, bracelets, sleeves
  • Carry heavy bags from the shoulder
  • Sleep with the arm under your head

Wear a medical alert bracelet or carry a 'fistula arm' card.

Kidney Vitality is a daily multivitamin developed by a UK Consultant Nephrologist using renal nutrition principles. It contains no added potassium, magnesium, phosphorus or iron, and no herbal blends. See the formulation.

Skin and needling site care

  • Wash arm with soap and water before each dialysis session.
  • Apply moisturiser daily (non-perfumed) to keep skin supple — Doublebase, E45 or aqueous cream.
  • Use anaesthetic cream (Emla, Ametop) 30–60 mins before needling if available.
  • Rotate needling sites — 'rope ladder' or 'buttonhole' technique determined by your unit.
  • After dialysis: keep dressings on for 4–6 hours, then remove and shower normally.

Warning signs — call the unit

Same day call for:

  • Lost thrill or bruit
  • Significant pain
  • Spreading redness, warmth or hardness
  • Pus or discharge
  • Fever > 38°C
  • Numbness or coldness in fingers (steal syndrome)

For bleeding: firm pressure with clean cloth for 10 minutes without peeking. If bleeding hasn't stopped, call 999.

Long-term fistula health

Most fistulas last 5–15 years with good care. Things that prolong life of fistula:

  • Excellent BP control
  • Avoiding hypotension during dialysis
  • Regular monitoring scans (ultrasound)
  • Treating any narrowing (stenosis) early with angioplasty
  • Keeping skin healthy

Report any decrease in dialysis efficiency to your team — it's often the first sign of stenosis.

Preparing for Dialysis
Related reading: Preparing for Dialysis.

Key practical tips

Designed for quick scanning — what to order, what to avoid, sensible portions, common mistakes.

  • Weigh between sessions to track fluid balance
  • Use the leaching (double-boil) method for potatoes and root veg
  • Plan a kidney-friendly snack to take to your session — protein helps

Clinical guidance

TL;DR summary

A fistula is your dialysis lifeline. Check it every day (look, listen, feel), protect the arm from injury, never let anyone take BP or blood from it, and call the unit immediately if the thrill stops or it looks infected.

Key takeaways
  • Daily LOOK, LISTEN, FEEL checks.
  • Squeeze ball exercises help maturation.
  • Never BP, blood tests or IVs on fistula arm.
  • No tight watches, jewellery or sleeves.
  • Bleeding > 10 mins despite pressure = 999.
Kidney Diet & Nutrition Considerations on Dialysis

Dialysis nutrition is different from earlier-stage CKD. Protein needs go up (around 1.0–1.2 g/kg/day on haemodialysis) because dialysis removes amino acids. Potassium, phosphate and fluid restrictions tighten, and water-soluble B-vitamins are partly lost in the dialysate. Your renal dietitian sets your personal targets — these are the typical themes.

Foods to prioritise

  • Higher-quality protein at every meal: eggs, fish, chicken, lean meat
  • Lower-phosphate, lower-potassium snacks between meals
  • Phosphate binders taken with food exactly as prescribed
  • A vitamin approach in line with renal nutrition principles (water-soluble B and C are commonly recommended; high-dose vitamin A is avoided)

Foods to limit

  • High-phosphate foods: hard cheese, processed meats, cola, phosphate additives
  • Very high-potassium foods: bananas, oranges, tomatoes, potatoes (unless leached), avocado, chocolate
  • Fluid above your daily allowance — including soup, ice and high-water fruit

Potassium, phosphate and protein needs vary between individuals — please confirm personal targets with your renal team or dietitian. Browse the Kidney Diet Hub for more guides in this cluster.

Frequently asked questions

What is an AV fistula?

An arteriovenous (AV) fistula is a surgical connection between an artery and a vein, usually in the forearm. Over 6–12 weeks the vein enlarges ('matures') into a strong vessel suitable for haemodialysis needles. It is the gold-standard access for HD.

How do I check my fistula daily?

Three checks every morning: 1. LOOK — any redness, swelling or bleeding? 2. LISTEN — place ear over fistula, you should hear a continuous 'whoosh' (bruit). 3. FEEL — light fingers over fistula, you should feel a soft buzz (thrill). No thrill or bruit = call the dialysis unit immediately.

Can I lift weights with a fistula?

Light hand exercises (squeezing a stress ball) help fistulas mature. Avoid heavy lifting (>5kg) with the fistula arm. Never sleep on the fistula arm, never have BP cuffs or blood tests on it, never wear tight watches or jewellery.

What if my fistula bleeds at home?

Apply firm pressure with a clean cloth for 10 minutes (don't lift to check). If still bleeding after 10 minutes, call 999. Always carry a small dressing pack and your renal unit phone number.

How much protein should I eat on dialysis?

Most adults on haemodialysis or peritoneal dialysis need around 1.0–1.2 g of protein per kilogram of body weight per day — higher than earlier CKD, because dialysis removes amino acids. Your renal dietitian sets your exact target based on your weight, albumin and bloods.

Nutritional challenges in kidney disease

Many people living with kidney disease have to limit foods because of potassium, phosphate, diabetes, dialysis, appetite changes or simply the time it takes to cook from scratch every day. That can make it harder to keep daily nutrition balanced — particularly for vitamins and minerals that food alone may not fully cover.

Kidney Vitality is a UK-formulated daily nutritional support product designed by Consultant Nephrologist Professor Mohammed Mahdi Althaf with renal nutrition in mind from the start. It keeps doses moderate, leaves out added potassium, phosphate and magnesium, and avoids megadose vitamin A — sitting alongside a kidney-friendly diet, not replacing it.

Why Kidney Vitality fits this need

Built around UK renal guidance

Aligned with Vascular Access Society of Britain and Ireland (VASBI), UK Renal Association vascular access guidelines and NICE NG203.

Designed by a UK Consultant Nephrologist

Formulated and reviewed by Professor Mohammed Mahdi Althaf (GMC 7216325).

Evidence-based by design

Practical step-by-step daily care routine.

Designed by a UK Consultant Nephrologist

Ready to support your kidney health?

If you have been researching kidney health, supplements, CKD nutrition or kidney-friendly living, Kidney Vitality was developed specifically around those principles by Professor Mohammed Mahdi Althaf (GMC 7216325). Nephrologist Developed Daily Multivitamin.

  • No Added Potassium
  • No Added Magnesium
  • No Added Phosphorus
  • No Added Iron
  • One capsule daily
  • UK GMP — BRCGS, NSF GMP, Halal
Subscribe & Save — £20.39/monthCheck your current multivitamin

✓ Free UK tracked delivery  ·  ✓ Delivered every 30 days  ·  ✓ Pause or cancel anytime  ·  ✓ Never run out

ComparisonKidney VitalityTypical high-street multivitamin
Added potassiumNoneOften included
Added phosphateNoneOften included (E338–E452)
Vitamin A (retinol)No megadoseOften high-dose retinol
Kidney-focused formulationYesNo — general population
Consultant Nephrologist involvementYes (GMC 7216325)No
UK GMP manufacturedYes (BRCGS, NSF GMP)Varies

Food supplement. Not a medicine and not a treatment for kidney disease. Speak with your GP, pharmacist or renal team before starting any new supplement, especially in advanced CKD, on dialysis, post-transplant, pregnant or breastfeeding.

Clinical reviewer

Professor Mohammed Mahdi Althaf

Consultant Nephrologist

Acute Physician

GMC 7216325

View Full Biography

Professor Mohammed Mahdi Althaf is a UK Consultant Nephrologist and Acute Physician with a special interest in chronic kidney disease, AKI prevention and renal nutrition. He combines hospital practice with patient education and clinical guidance review.

View professional profile →
View Credentials
  • MD
  • MSc
  • PgDip (Clin Ed)
  • FRCP
  • FHEA
  • FASN

About this article

Written for UK patients and based on:

  • NICE guidance
  • NHS resources
  • British Dietetic Association guidance
  • Kidney Care UK resources
View methodology

Each article is researched against current UK clinical guidance (NICE NG203, NG118, NG136), NHS patient resources, KDIGO and KDOQI international guidelines, and the British Dietetic Association Renal Nutrition Group. Drafts are written by the Kidney Vitality editorial team and reviewed by a UK Consultant Nephrologist before publication. Content is reviewed on a rolling basis and updated when guidance changes.

Editorial standards

  • Clinically reviewed
  • NHS-aligned
  • NICE-aligned
  • Evidence-based
  • Reviewed before publication
View full editorial process

Every article is researched and written by the Kidney Vitality editorial team using current UK clinical guidance (NICE NG203, NG118, NG136), NHS patient resources, KDIGO/KDOQI international guidelines, and British Dietetic Association renal nutrition guidance. Drafts are reviewed for clinical accuracy by Professor Mohammed Mahdi Althaf, MD, MSc, PgDip (Clin Ed), FRCP, FHEA, FASN (Consultant Nephrologist & Acute Physician, GMC 7216325) before publication. Content is updated when UK guidance changes.

References (4)View Sources
  1. NICE NG203: Chronic kidney disease — assessment and management
  2. KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of CKD
  3. KDOQI Clinical Practice Guideline for Nutrition in CKD: 2020 Update
  4. British Dietetic Association — Renal Nutrition Group

Medical disclaimer

This content is educational only and does not replace personalised medical advice.

Read full disclaimer

This page is general information, not personal medical advice. If you have chronic kidney disease, are on dialysis, have had a kidney transplant, are pregnant or breastfeeding, or take prescription medication, please confirm any supplement with your GP, pharmacist or renal team before starting.

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