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|Title:||High cut-off hemofiltration versus standard hemofiltration: effect on plasma cytokines|
|Authors:||Atan, Rafidah;Peck, Leah;Visvanathan, Kumar;Skinner, Narelle;Eastwood, Glenn M;Bellomo, Rinaldo;Storr, Markus;Goehl, Hermann|
|Affiliation:||Clinical School Johor Bahru, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia.|
Department of Intensive Care, Austin Health, Heidelberg, Victoria, Australia
St. Vincent's Hospital, University of Melbourne, Fitzroy, Victoria, Australia
Gambro Dialysatoren GmbH, Research & Development, Hechingen, Germany
|Citation:||The International journal of artificial organs 2016; 39(9): 479-486|
|Abstract:||To study the effects of continuous veno-venous hemofiltration (CVVH) with high cut-off filters (CVVH-HCO) on plasma cytokine levels, sieving coefficient and clearance compared to CVVH using standard filters (CVVH-Std) in a nested cohort within a double-blind randomized controlled trial in severe acute kidney injury (AKI) patients. We measured plasma and post-filter levels of IL-6, TNF-alpha, IL-8, IL-1 beta, RANTES, IL-10, IFN-gamma and IFN-alpha in both study groups. We also measured cytokine levels in the ultrafiltrate and calculated sieving coefficients and clearances. By 72 hours of treatment, IL-6 had decreased during both treatments (p = 0.009 and 0.005 respectively). In contrast, IL-10 had decreased with CVVH-Std (p = 0.03) but not CVVH-HCO (p = 0.135). None of the other cytokines showed changes over time. There were also no significant between group differences in plasma levels for each cytokine over the 72-hour treatment period. For all cytokines combined, however, the median sieving coefficient was higher for CVVH-HCO (0.31 vs. 0.16; p = 0.042) as was the mass removal rate by ultrafiltration (p = 0.027). While overall combined cytokine levels had fallen to 62.2% of baseline at 72 hours for CVVH-HCO (p<0.0001) and to 75.9% of baseline with CVVH-Std (p = 0.008) there were no between group differences. CVVH-HCO achieved greater combined sieving coefficient and mass removal rate by ultrafiltration for a group of key cytokines than CVVH-Std. However, this effect did not differentially lower their plasma level over the first 72 hours. Our study does not support the use of CVVH-HCO to lower cytokines in critically ill patients with AKI.|
Randomized Controlled Trial
|Appears in Collections:||Journal articles|
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