ArticleRenal failure2026
Post-procedural access blood flow and repeat endovascular intervention in hemodialysis vascular access: a recurrent-event cohort study.
Article in Renal failure, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
The prognostic value of access blood flow (Qa) measured after endovascular intervention is uncertain. We performed an episode-based recurrent-event cohort study of maintenance hemodialysis patients undergoing endovascular intervention for arteriovenous access dysfunction. The primary exposure was post-procedural Qa modeled continuously per 100 mL/min higher Qa; post-procedural Qa <1000 mL/min was examined as a secondary clinically interpretable threshold. The outcome was time to the next access intervention, analyzed using an Andersen-Gill counting-process Cox model with patient-level cluster-robust variance. A total of 131 patients contributed 382 intervention episodes, and post-procedural Qa was available for 315 episodes. Median time to repeat intervention was shorter for Qa <1000 mL/min than for Qa ≥1000 mL/min. In the primary adjusted model, each 100 mL/min higher post-procedural Qa was associated with a lower hazard of repeat intervention (aHR 0.941, 95% CI 0.896-0.990,
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