Hemodiafiltration: Technical and Medical Insights
2023
Thomas Lang | Adam M. Zawada | Lukas Theis | Jennifer Braun | Bertram Ottillinger | Pascal Kopperschmidt | Alfred Gagel | Peter Kotanko | Manuela Stauss-Grabo | James P. Kennedy | Bernard Canaud
Despite the significant medical and technical improvements in the field of dialytic renal replacement modalities, morbidity and mortality are excessively high among patients with end-stage kidney disease, and most interventional studies yielded disappointing results. Hemodiafiltration, a dialysis method that was implemented in clinics many years ago and that combines the two main principles of hemodialysis and hemofiltration—diffusion and convection—has had a positive impact on mortality rates, especially when delivered in a high-volume mode as a surrogate for a high convective dose. The achievement of high substitution volumes during dialysis treatments does not only depend on patient characteristics but also on the dialyzer (membrane) and the adequately equipped hemodiafiltration machine. The present review article summarizes the technical aspects of online hemodiafiltration and discusses present and ongoing clinical studies with regards to hard clinical and patient-reported outcomes.
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