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Hemodialysis dependence confers unique physiologic conditions. Prior reports of outcomes after infrainguinal open bypass operations in patients on hemodialysis have been based on relatively small sample institutional series. In this study, we evaluate long-term outcomes after open bypass operations in a large contemporary population-based cohort of hemodialysis patients. We studied all hemodialysis patients who underwent infrainguinal open operation using autogenous versus prosthetic conduits in the United States Renal Data System between January 2007 and December 2011.

Univariate methods (χ², analysis of variance) were used to compare the characteristics of the patient and type of bypass. Kaplan-Meier, univariate and multivariate logistic, and Cox regression analyses were used to evaluate 30-day postoperative outcomes as well as patency, limb salvage, and mortality in the …