Introduction: The advent of blunt needles for arteriovenous fistula cannulation has led to a resurgence in the buttonhole technique. Although successful for home haemodialysis patients and those who self-cannulate, we introduced this technique into one of our satellite dialysis centres. Methods: Audit of buttonhole cannulation in 53 adult haemodialysis patients, 29 male, mean age 68.5 ± 1.9 years. Twelve (23%) patients started de novo and 41 (77%) had previously been using sharp needles with the rope ladder technique. Results: Typically, the needle tract was developed after 8–10 cannulations depending on the tracker nurse and vessel. Ninety-three percent of the patients reported shorter venepuncture bleeding times after needle removal, 81% less pain on needling and 80% improved appearance of the fistula compared to sharp needle rope ladder technique. Fistula recirculation rates fell from 9.3 ± 0.4 to 8.3 ± 0.3% (p = 0.016), as did fistuloplasty requirement during a median follow-up of 14 months (range, 9.5–22.5; χ2 = 5.6, p = 0.008). Conclusions: Buttonhole cannulation can be successfully introduced into a busy satellite dialysis centre. Patient satisfaction improved due to lower pain scores, shorter bleeding times after needle removal and improved appearance of the fistula. Recirculation rates and requirement for fistuloplasty were also reduced.

Keywords:
Haemodialysis, Arteriovenous fistula, Cannulation, Buttonhole cannulation, Blunt needle
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© 2010 S. Karger AG, Basel
2010
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