Dialysis and Enlarged Arm Veins
In advanced kidney failure such as End-stage renal disease, patients may require dialysis.
To prepare for dialysis, doctors often create an arteriovenous (AV) fistula in the arm. This procedure intentionally enlarges veins to allow repeated access for treatment. These veins become:
More visible
Thicker
Sometimes slightly raised
This is a treatment-related change — not a symptom of kidney disease itself.