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Anasthesiol Intensivmed Notfallmed Schmerzther · Feb 2021
Review[Extracorporeal Strategies in Sepsis Treatment: Role of Therapeutic Plasma Exchange].
- Klaus Stahl, Christian Bode, and Sascha David.
- Anasthesiol Intensivmed Notfallmed Schmerzther. 2021 Feb 1; 56 (2): 101-110.
Background Mortality in sepsis remains high. Various techniques for extracorporeal cytokine removal have been investigated as additional therapeutic measures in sepsis and septic shock.Objectives To summarize a selection of extracorporeal blood purification techniques, with a special focus on therapeutic plasma exchange, and their current evidence in clinical use.Methods Non-systematic literature review.Results Various extracorporeal blood purification techniques with different levels of evidence regarding cytokine removal, vasopressor sparing effects and reduction of mortality are currently in clinical use. Most extensively studied modalities include high-volume hemofiltration/dialysis with and without high cut-off filters a well as hemoadsorption techniques (including CytoSorb, and polymyxin-B filters). Despite partly encouraging observations regarding removal of inflammatory cytokines and hemodynamic stabilization, results from randomized studies did not show an effect on survival. Due to use of donor plasma as substitution fluid, therapeutic plasma exchange represents the only modality able to additionally replace protective and consumed factors.Conclusions The use of extracorporeal blood purification methods cannot be recommended for sepsis patients outside of clinical trials given the current lack of evidence of their efficacy. Future investigations should aim to homogenize the studied patient collective in respect to clinical sepsis severity, time point of intervention and different inflammatory (sub-)phenotypes.Thieme. All rights reserved.
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