P1072COMPARISON OF UREMIC TOXINS, INFLAMMATORY MARKERS AND VEGF LEVEL WITH MEDIUM CUT-OFF MEMBRANES AND HIGH-FLUX MEMBRANES IN HEMODIALYSIS: THERANOVA IN SISLI HAMIDIYE ETFAL (THE SHE) STUDY

Abstract Background and Aims Mortality in hemodialysis have not changed since last 30 years which may be caused by inflammation and accumulation of middle and large uremic toxins. Medium cut-off (MCO) membranes are able to perform hemodialysis as effective as hemodiafiltration. Their effect on infla...

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Published in:Nephrology, dialysis, transplantation dialysis, transplantation, 2020-06, Vol.35 (Supplement_3)
Main Authors: Sevinç, Mustafa, Hasbal, Nuri Baris, Yilmaz, Vuslat, Ozcafer, Perin Nazif, Ahbap Dal, Elbis, Sakaci, Tamer, Basturk, Taner, Unsal, Abdulkadir
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Language:English
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Summary:Abstract Background and Aims Mortality in hemodialysis have not changed since last 30 years which may be caused by inflammation and accumulation of middle and large uremic toxins. Medium cut-off (MCO) membranes are able to perform hemodialysis as effective as hemodiafiltration. Their effect on inflammatory molecules and vascular endothelial growth factor-C (VEGF), an independent factor effective on mortality, are not well known. The aim of the study was to compare intra and inter dialyzer performances of MCO and high-flux dialyzers regarding middle and large uremic toxin, inflammatory marker, VEGF and serum albumin level. Method This is a randomized, prospective, open-label, cross-over study (ClinicalTrials.gov: NCT03836508) approved by local ethic committee. Patients had hemodialysis with either 36 sessions of high-flux dialyzer followed by 36 sessions of medium cut-off dialyzer or vice versa. Pre and postdialysis levels for urea, creatinine, albumin, total protein, free kappa light chain, free lambda light chain, beta-2 microglobulin, myoglobulin levels were determined at first and last sessions of every dialyzer. Postdialysis level of middle and large uremic molecules have been determined by a formula to prevent hemoconcentration effect. Reduction rate for uremic toxins were calculated. Serum level of human VEGF, fibroblast growth factor-23 (FGF-23), interferon gamma (IFN-g), interleukin-6 (IL-6), interleukin-10 (IL-10), interleukin-17A (IL-17A) levels were determined at first and last session of the each dialyzer. Results Fifty-two patients were enrolled to the study. Median age of patients was 56.40 (43.87-67.39) years. Median dialysis vintage was 4.77 (3.08-10.09) years. Reduction rates and postdialysis levels of free kappa and lambda light chain, myoglobulin, beta-2 microglobulin were lower both at first and last sessions in medium cut-off dialyzers compared to high-flux dialyzers (p
ISSN:0931-0509
1460-2385
DOI:10.1093/ndt/gfaa142.P1072