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Increasing the Proportion of Autologous Arteriovenous Fistulas Does Not Diminish Fistula Patency

Objective: Arteriovenous fistulas (AVF) constructed before and after initiating the kidney disease outcomes and quality initiative (KDOQI) guidelines were reviewed at a single academic center to identify decreased patency with use of potentially inferior vein conduits. Methods: Primary access procedures performed pre- and post-adoption of KDOQI guidelines were compared for the primary outcomes of maturation rate and primary patency and the secondary outcome of access utilization. Results: The proportion of autologous AVFs created was higher post-KDOQI (73% vs 35%, P < .001), and an increased use of the basilic vein was observed (20% vs 2%, P < .05). The failure rate of fistula maturation was reduced post-KDOQI (24% vs 38%, P < .05); however, access utilization was also decreased (59% vs 75%, P < .001). Conclusions: Adherence to KDOQI guidelines for AVFs does not compromise fistula patency and increased use of the basilic vein may lead to superior fistula maturation rates. Early referral may result in lower fistula utilization rates, however.