Abstract
Over the past 50 years, since Dr. Appel performed the first internal vascular access procedure for hemodialysis, the distal radiocephalic arteriovenous fistula continues to be the access of choice. Over time, failure to maturation has evolved as a major problem associated with this procedure depriving its benefits to many patients with end-stage renal disease. A variable incidence of this problem within similar patients suggests that surgical technique may play an important role in the development of non-maturation. Evaluating the current surgical techniques based on the hemodynamic consequences of anatomic and physiologic alterations following this procedure highlights the role of surgical technique in mitigating or reducing complications. Piggy-back straight line on-lay, a technique that helps to tailor the blood flow and reduce the oscillatory shear stress appears to reduce the incidence of early juxta-anastomotic problems, which contribute significantly to the problem of non-maturation.
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