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Stent Salvage of Arteriovenous Fistulas and Grafts
Published Web Locationhttps://doi.org/10.1177/1538574413518609
ObjectivesThis study analyzes our experience using stents to salvage dysfunctional hemodialysis access sites at a single institution.
MethodsWe examined the outcomes of 42 consecutive patients who had covered (36 patients) or bare-metal (9 patients) stent intervention for hemodialysis access salvage.
ResultsOf our 42 male patients, 11 had stent salvage of an arteriovenous fistula, which yielded postintervention primary and secondary 6-month patencies of 27% and 55%, respectively. For 31 patients with arteriovenous grafts, the postintervention primary and secondary 6-month patencies were 26% and 29%, respectively. Patency rates were superior for stents placed in patent access sites, in fistulas compared to grafts, and when stents were placed in forearm sites although only the latter achieved statistical significance.
ConclusionsStents can extend patency for the thrombosed or failing arteriovenous access, but results are poor once thrombosis has occurred. Stent placement appears to be more effective in fistulas compared to grafts.
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