Post-AV Fistula Care Guidelines

Introduction to Fistula Care

The American Journal of Kidney Diseases recommends that patients perform daily hand-grip exercises to promote fistula maturation, keep the access arm clean, avoid trauma or constriction, and monitor for signs of complications including infection, swelling, or changes in the thrill 1

Patients should never allow blood pressure measurements, blood draws, or IV insertions in the access arm to prevent damage to the fistula 1
The American Journal of Kidney Diseases suggests avoiding wearing tight clothing, watches, or jewelry on the access arm that could compress the fistula 1
Patients should avoid sleeping on the access arm or carrying heavy bags/purses on that side to prevent injury 1
Lifting heavy objects (>10-15 lbs) with the access arm during the maturation period should be avoided 1

The American Journal of Kidney Diseases recommends checking the fistula daily by feeling for a "thrill" (vibration/buzzing sensation) over the access site 1
Patients should listen for a "bruit" (whooshing sound) by placing their ear near the fistula 1
If the thrill or bruit disappears or changes significantly, patients should contact their dialysis team immediately as this may indicate thrombosis 1, 2

The American Journal of Kidney Diseases suggests performing isometric hand-grip exercises by squeezing a rubber ball or stress ball for 10-15 minutes, 3-4 times daily 1
These exercises can be done with or without a lightly applied tourniquet 1
Patients should continue exercises for 4-6 weeks post-creation to enhance vein maturation and increase blood flow 1

The American Journal of Kidney Diseases recommends washing the access arm with soap and water before each dialysis session 3, 4
Patients should examine the access site for signs of infection including redness, warmth, tenderness, swelling, or drainage 3, 4
The dialysis staff will disinfect the site with alcohol-based chlorhexidine (>0.5%), 10% povidone iodine, or 70% alcohol before cannulation 3, 4

After needle removal, patients should apply firm pressure to the puncture sites for at least 10-15 minutes 1, 2
Patients should not bend the arm or lift heavy objects for several hours after dialysis to prevent bleeding or hematoma formation 1
If bleeding continues beyond 20-30 minutes, patients should apply ice and contact their dialysis team 2

Loss of thrill or bruit may indicate thrombosis requiring urgent intervention within 24-48 hours 1, 6
Severe pain, coldness, numbness, or weakness in the hand (steal syndrome) requires immediate medical attention 6
Fingertip discoloration, pain, or tissue necrosis can lead to catastrophic limb loss if not addressed promptly 6, 7

Most fistulas require 6-12 weeks to mature before first use 1
A fistula that only works with a tourniquet in place is still underdeveloped and needs more time or reevaluation 1, 2
Initial cannulation typically uses smaller needles (17G) with gradual progression to larger sizes 1, 2

Patients should never apply pressure to needle sites before the needle is completely removed to prevent infiltration 1
Dehydration can increase thrombosis risk, so patients should stay hydrated 1
Subtle changes in thrill or bruit should not be ignored, as early detection prevents access loss 1, 5