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Nefrología (Madrid)

On-line version ISSN 1989-2284Print version ISSN 0211-6995

Abstract

BAENA, Laura et al. Establishment of buttonhole technique as a puncture alternative for arteriovenous fístulas. experience of a centre over 3 years. Nefrología (Madr.) [online]. 2017, vol.37, n.2, pp.199-205. ISSN 1989-2284.  http://dx.doi.org/10.1016/j.nefro.2016.11.014.

Introduction:

The buttonhole (BH) puncture technique for arteriovenous fistulas is an alternative to the classical staggered puncture.

Purpose:

We present 3 years’ results incorporating the BH puncture technique for arteriovenous fistulas in our dialysis unit.

Material and methods:

Twenty-two patients were started on BH technique, 15 men and 7 women (mean age: 62 years; SD: 12), with time spent on dialysis when starting the BH technique of 34 months (SD: 34, median: 27, range: 3-136). Seven patients received acenocoumarol and 9 antiplatelet agents. The vascular access median time at the beginning of the technique was 27 months (range: 3-252).

Results:

Between 5 and 8 consecutive dialysis sessions were necessary to achieve a proper tunnel puncture. No patient suffered major complications. The average time on BH technique until December 2015 was 12 months (SD: 10, median: 9, range: 1-45). By the end of the study, 5patients were performing self-puncture. Haemostasis times post-dialysis were reduced from 18.6 min (SD: 8, prior to the BH technique), to 12.2 minutes (SD: 3 after BH) (P = .0005).

Conclusions:

The BH technique is an alternative puncture technique for dialysis patients. Self-puncture and reduction in hemostasis time are potential beneficial aspects. A greater diffusion of this technique in the hemodialysis units would allow it to be better applied. A highly motivated nursing staff is key and a necessary condition for its implementation.

Keywords : Button-hole; Haemodialysis; Haemostasis; Self-puncture.

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