Needling the same spot repeatedly weakens the vessel wall and can create an aneurysm; rope-ladder rotation spreads that stress out.
What to know
- Rope-ladder: move each cannulation along the usable length of the fistula in sequence, returning to the start only after a full cycle.
- Buttonhole: the opposite approach — the exact same site each time to form a healed tunnel track, used with blunt needles.
- Never combine the two techniques on the same site.
- Area puncture — repeatedly needling one small zone — is the technique to avoid; it causes aneurysms and stenosis.
- Map your fistula and keep a record of which sites you have used.
Talk to your care team
This topic is part of Vascular Access Care, one of ten modules in the Trivita Learning Hub. If anything here contradicts what your own nephrologist or dialysis nurse has told you, follow your care team — they know your prescription, your access and your history.
Trivita's dialysis nurses answer our care line 24 hours a day on 055 242 1070, including for people who are not yet our patients.