Hemodialysis access patency timepoints

The upper panel describes patency definitions after placement of the primary access, whereas the lower panel does the same after an intervention.

Reproduced with permission from: Shenoy S, Allon M, Beathard G, et al. Clinical trial end points for hemodialysis vascular access: Background, rationale, and definitions. Clin J Am Soc Nephrol 2018. Copyright © 2018 American Society of Nephrology.

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