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Hemodiafiltration Versus Hemodialysis and Survival in Patients With ESRD: The French Renal Epidemiology and Information Network (REIN) Registry

Abstract : Background Recent randomized trials report that mortality is lower with high-convection-volume hemodiafiltration (HDF) than with hemodialysis (HD). Study Design We used data from the French national Renal Epidemiology and Information Network (REIN) registry to investigate trends in HDF use and its relationship with mortality in the total population of incident dialysis patients. Setting & Participants The study included those who initiated HD therapy from January 1, 2008, through December 31, 2011, and were dialyzed for more than 3 months; follow-up extended to the end of 2012. Factor HDF use at the patient and facility level. Outcomes All-cause and cardiovascular mortality, using Cox models to estimate HRs of HDF as time-dependent covariate at the patient level, with age as time scale and fully adjusted for comorbid conditions and laboratory data at baseline, catheter use, and facility type as time-dependent covariates. Analyses completed by Cox models for HRs of the facility-level exposure to HDF updated yearly. Results Of 28,407 HD patients, 5,526 used HDF for a median of 1.2 (IQR, 0.9-1.9) years; 2,254 of them used HDF exclusively. HRs for all-cause and cardiovascular mortality associated with HDF use were 0.84 (95% CI, 0.77-0.91) and 0.73 (95% CI, 0.61-0.88), respectively. In patients treated exclusively with HDF, these HRs were 0.77 (95% CI, 0.67-0.87) and 0.66 (95% CI, 0.50-0.86). At the facility level, increasing the percentage of patients using HDF from 0% to 100% was associated with HRs for all-cause and cardiovascular mortality of 0.87 (95% CI, 0.77-0.99) and 0.72 (95% CI, 0.54-0.96), respectively. Limitations Observational study. Conclusions Whether analyzed as a patient- or facility-level predictor, HDF treatment was associated with better survival
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01255821
Contributor : Laurent Jonchère <>
Submitted on : Thursday, January 14, 2016 - 9:57:50 AM
Last modification on : Wednesday, October 14, 2020 - 4:15:19 AM

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Lucile Mercadal, Jeanna-Eve Franck, Marie Metzger, Pablo Urena Torres, François Cornelissen, et al.. Hemodiafiltration Versus Hemodialysis and Survival in Patients With ESRD: The French Renal Epidemiology and Information Network (REIN) Registry. American Journal of Kidney Diseases, Elsevier, 2016, 68 (2), pp.247-255. ⟨10.1053/j.ajkd.2015.11.016⟩. ⟨hal-01255821⟩

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