ArticleBlood purification2025
Survival Differences in Patients with High-Flux Hemodialysis versus Expanded Hemodialysis: A Cohort Study.
Article in Blood purification, 2025. 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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8 authors.
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Abstract
<p>Introduction: Survival is a core outcome of hemodialysis (HD) therapy. Expanded hemodialysis (HDx) enabled by Theranova dialyzer increases clearance of medium-sized molecules and was reported to improve various patient-reported outcomes compared to HD using high-flux membranes, but the impact on survival is unclear. Herein, we evaluated the risk of death for HDx versus high-flux HD over a 4-year follow-up period.
methodsThis is a multicenter, retrospective cohort study in adult prevalent chronic HD at Renal Care Services - Colombia starting between September 1, 2017, and November 30, 2017, with follow-up for up to 4 years. The sociodemographic and clinical characteristics of all patients were summarized descriptively. The Fine-Gray subdistribution hazard model was employed to evaluate the sub-hazard ratio of factors associated with time to death from causes other than COVID-19; death attributable to COVID-19 was considered as a competing risk. Sensitivity analyses included Cox proportional hazards model, extended Cox regression, and Cox regression after adjusting for imbalances between cohorts using the inverse probability of treatment weighting method.
resultsWe evaluated 1,092 patients, 559 in HDx cohort and 533 in high-flux HD cohort; the mean age 61 years; 42% had diabetes, and 19% had cardiovascular disease. HDx using the Theranova dialyzer had a protective effect with reduction of mortality risk when controlling for confounding variables, SHR = 0.79 [95% CI: 0.62-0.98, p = 0.035]. Sensitivity analyses also showed a statistically significant beneficial effect of HDx versus high-flux HD.
conclusionsHDx enabled by Theranova dialyzer was associated with an approximately 21% reduction in mortality risk compared to treatment with high-flux HD in patients followed for up to 4 years. It would be desirable for these very promising results to be corroborated by a randomized controlled trial, with sufficient follow-up time to investigate the effect described in this study. </p>.
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