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Buttonhole Cannulation of Arteriovenous Fistulas in the United States
Tushar J Vachharajani1,2, Leslie Wong1,2, Vandana D Niyyar3
1Department of Nephrology and Hypertension, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio.
The cannulation technique of a hemodialysis vascular access has remained controversial with differing viewpoints. The quality of dialysis, overall patient safety, and individual dialysis experience often dictate the type of cannulation technique used in clinical practice. The three commonly used techniques to access a hemodialysis vascular access are the rope ladder, area, and buttonhole. Although the buttonhole technique has been around since the mid-1970s, the dialysis community remains divided on its suitability for routine use to provide maintenance hemodialysis therapy. The proponents of this technique value the ease of cannulation with less pain and discomfort whereas the opponents highlight the increased risk of infection. The actual clinical evidence from the United States is limited and remains inconclusive. The current review provides an overview of the available experience from the United States, highlighting the correct technique of creating a buttonhole, summarizing the current evidence, and recommending a need for larger randomized controlled studies in both in-center and home hemodialysis populations.
The cannulation technique of a hemodialysis vascular access has remained controversial with differing viewpoints. The quality of dialysis, overall patient safety, and individual dialysis experience often dictate the type of cannulation technique used in clinical practice. The three commonly used techniques to access a hemodialysis vascular access are the rope ladder, area, and buttonhole. Although the buttonhole technique has been around since the mid-1970s, the dialysis community remains divided on its suitability for routine use to provide maintenance hemodialysis therapy. The proponents of this technique value the ease of cannulation with less pain and discomfort whereas the opponents highlight the increased risk of infection. The actual clinical evidence from the United States is limited and remains inconclusive. The current review provides an overview of the available experience from the United States, highlighting the correct technique of creating a buttonhole, summarizing the current evidence, and recommending a need for larger randomized controlled studies in both in-center and home hemodialysis populations.
