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Multiple Single Cannulaton Technique for Puncturing Arteriovenous Fistulas: Randomized Comparison With Rope Ladder
Fang Xu1, Jun Qiu1, Shanshan Huo1
1The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Hemodialysis International. International Symposium on Home Hemodialysis
|June 18, 2025
Summary
The multiple single cannulation technique (MuST) for arteriovenous fistulas in hemodialysis patients reduced pain and complications like aneurysms and stenosis. However, it increased infiltration rates compared to the rope ladder method.
Area of Science:
- Nephrology
- Vascular Access
- Hemodialysis
Background:
- Arteriovenous fistulas (AV fistulas) are crucial for hemodialysis access.
- Complications associated with AV fistula cannulation can significantly impact patient outcomes.
- The multiple single cannulation technique (MuST) is a novel approach to AV fistula cannulation.
Purpose of the Study:
- To evaluate the impact of the multiple single cannulation technique (MuST) on AV fistula complications.
- To compare the efficacy and safety of MuST versus the traditional rope ladder cannulation technique.
- To assess patient-reported outcomes including pain and cannulation difficulty.
Main Methods:
- A randomized controlled trial comparing MuST with the rope ladder technique in hemodialysis patients.
- Convenience sampling and random assignment to control (rope ladder) or experimental (MuST) groups.
- Assessment of complications (aneurysms, thrombosis, infiltration, stenosis), cannulation success rate, pain (VAS), and difficulty (Likert scale) over 12 months.
Main Results:
- MuST significantly reduced incidences of aneurysms, thrombosis, and stenosis compared to the rope ladder technique (p < 0.05).
- The cannulation success rate was higher with MuST (99.5% vs. 99.0%, p < 0.05).
- MuST resulted in lower reported difficulty and pain scores, but a higher incidence of infiltration (19.0% vs. 6.78%).
Conclusions:
- MuST offers reduced pain, higher cannulation success, and fewer serious complications than the rope ladder method.
- The increased rate of infiltration with MuST requires careful consideration and further investigation.
- MuST shows promise as an alternative cannulation technique for AV fistulas in hemodialysis, warranting broader clinical evaluation.
