OBJECTIVE: High cutoff hemofilters are characterized by an increased effective pore size designed to facilitate the elimination of inflammatory mediators in sepsis. Clinical data on this new renal replacement modality are lacking. DESIGN: Prospective, randomized clinical trial. SETTING:University hospital, intensive care units. PATIENTS::Thirty patients with sepsis-induced acute renal failure. INTERVENTION: Patients were allocated to high cutoff (n = 20) or conventional (n = 10) hemofiltration in a 2:1 ratio. Median renal replacement dose was 31 mL/kg/hr. For high cutoff hemofiltration, a high-flux hemofilter with an in vivo cutoff point of approximately 60 kilodaltons was used.Conventional hemofiltration was performed with a standard high-flux hemofilter (PF11S). The impacts of high cutoff hemofiltration on the need for norepinephrine and on plasma levels and clearance rates for interleukin (IL)-6 and IL-1 receptor antagonist (IL-1ra) were analyzed. Absolute values, but also adjusted values (expressed as proportion of baseline), were analyzed. The observation period was restricted to 48 hrs. MAIN RESULTS: Apart from higher antithrombin III levels at entry into the study, main clinical and laboratory parameters were comparable between both groups. The median norepinephrine dose at entry into the study was 0.30 microg/kg/min in the high cutoff group and 0.21 microg/kg/min in the conventional hemofiltration group (p =.448). Only the high cutoff group showed a significant decline (p =.0002) in "adjusted" norepinephrine dose over time.Clearance rates for IL-6 and IL-1ra were significantly higher in the high cutoff hemofiltration group (p <.0001), which translated into a significant decline of the corresponding plasma levels(p =.0465 for IL-6; p =.0293 for IL-1ra). CONCLUSION: In this pilot study,high cutoff hemofiltration has been shown to exert a beneficial effect on the need for norepinephrine in septic patients with acute renal failure. In addition, we demonstrate that high cutoff hemofiltration is superior to conventional hemofiltration in the elimination of IL-6 and IL-1ra from the circulating blood of septic patients.
RCT Entities:
OBJECTIVE: High cutoff hemofilters are characterized by an increased effective pore size designed to facilitate the elimination of inflammatory mediators in sepsis. Clinical data on this new renal replacement modality are lacking. DESIGN: Prospective, randomized clinical trial. SETTING: University hospital, intensive care units. PATIENTS: : Thirty patients with sepsis-induced acute renal failure. INTERVENTION: Patients were allocated to high cutoff (n = 20) or conventional (n = 10) hemofiltration in a 2:1 ratio. Median renal replacement dose was 31 mL/kg/hr. For high cutoff hemofiltration, a high-flux hemofilter with an in vivo cutoff point of approximately 60 kilodaltons was used. Conventional hemofiltration was performed with a standard high-flux hemofilter (PF11S). The impacts of high cutoff hemofiltration on the need for norepinephrine and on plasma levels and clearance rates for interleukin (IL)-6 and IL-1 receptor antagonist (IL-1ra) were analyzed. Absolute values, but also adjusted values (expressed as proportion of baseline), were analyzed. The observation period was restricted to 48 hrs. MAIN RESULTS: Apart from higher antithrombin III levels at entry into the study, main clinical and laboratory parameters were comparable between both groups. The median norepinephrine dose at entry into the study was 0.30 microg/kg/min in the high cutoff group and 0.21 microg/kg/min in the conventional hemofiltration group (p = .448). Only the high cutoff group showed a significant decline (p = .0002) in "adjusted" norepinephrine dose over time. Clearance rates for IL-6 and IL-1ra were significantly higher in the high cutoff hemofiltration group (p < .0001), which translated into a significant decline of the corresponding plasma levels (p = .0465 for IL-6; p = .0293 for IL-1ra). CONCLUSION: In this pilot study, high cutoff hemofiltration has been shown to exert a beneficial effect on the need for norepinephrine in septic patients with acute renal failure. In addition, we demonstrate that high cutoff hemofiltration is superior to conventional hemofiltration in the elimination of IL-6 and IL-1ra from the circulating blood of septic patients.
Authors: Sadudee Peerapornratana; Carlos L Manrique-Caballero; Hernando Gómez; John A Kellum Journal: Kidney Int Date: 2019-06-07 Impact factor: 10.612
Authors: Rinaldo Bellomo; Claudio Ronco; Ravindra L Mehta; Pierre Asfar; Julie Boisramé-Helms; Michael Darmon; Jean-Luc Diehl; Jacques Duranteau; Eric A J Hoste; Joannes-Boyau Olivier; Matthieu Legrand; Nicolas Lerolle; Manu L N G Malbrain; Johan Mårtensson; Heleen M Oudemans-van Straaten; Jean-Jacques Parienti; Didier Payen; Sophie Perinel; Esther Peters; Peter Pickkers; Eric Rondeau; Miet Schetz; Christophe Vinsonneau; Julia Wendon; Ling Zhang; Pierre-François Laterre Journal: Ann Intensive Care Date: 2017-05-04 Impact factor: 6.925