Choice of fluid in sepsis Anders Perner Dept of Intensive Care, Rigshospitalet, University of Copenhagen Scandinavian Critical Care Trials Group www.ssai.info/research/SCCTG Intensive Care Medicine http://icmjournal.esicm.org/index.html COIs - Research support from B Braun, Fresenius, CSL Behring Honoraria from Ferring, LFP University of Copenhagen ICM 2013;39:165 CCM 2013;41:580 6S TRIAL 6S TRIAL Investigator-initiated & publicly-funded 6S TRIAL Investigator-initiated & publicly-funded High internal validity Pre-publiced protocol and SAP Five-fold blinding 100% follow-up 6S TRIAL Investigator-initiated & publicly-funded High internal validity Pre-publiced protocol and SAP Five-fold blinding 100% follow-up High external validity Pragmatic design 50% non-university hospitals 66% inclusion rate, simple inclusion and few exclusion criteria 6S Inclusion criteria Adult patients in the ICU AND Fulfil severe sepsis criteria within 24 h AND Need for fluid resuscitation TRIAL 6S TRIAL Intervention 6% HES 130/0.42 in Ringer’s acetate (Tetraspan) or Ringer’s acetate (Sterofundin) Masked trial fluid up till 33 ml/IBW-kg/day Trial fluid #1 Trial fluid #2 Trial fluid #X 6S TRIAL Baseline characteristics Starch Ringers Numbers 398 400 Age 66 (56-75) 67 (56-76) 4 (1-13) 4 (1-13) SAPS II 50 (40-60) 51 (39-62) Acute kidney injury 36% 35% Time from ICU admin to rando Shock 84% Values are medians (IQRs) or numbers (%) 84% 6S TRIAL Trial fluid Starch Ringers Volume, ml Volume, ml Day 1 (14 h) 1500 (1000-1500) 1500 (1000-1550) Day 2 1000 (300-1500) 1000 (500-1500) Day 3 500 (0-1000) 425 (0-500) Day 4 0 (0-500) 0 (0-500) Day 5 0 (0-500) 0 (0-500) 3000 (1500-5000) 3000 (1800-5500) Total (90 days) 6S TRIAL Fluid volumes and balances 180 g HES Starch increased…. 6S TRIAL 6S TRIAL Number needed to harm…. 6S TRIAL ICM 2013; 39: 1936 Meta-analysis of HES130 vs. crystalloid/HA in sepsis Mortality RR 1.1 (1.0-1.2) BMJ 2013; 346: f839 Starch increased…. 6S TRIAL Earlier use of RRT with starch 6S TRIAL ESICM 2013 6S RRT and risk of death TRIAL NEJM 2012 6S RRT and risk of death TRIAL NEJM 2012 Meta-analysis of HES130 vs. crystalloid/HA in sepsis RRT RR 1.4 (1.1-1.7) BMJ 2013; 346: f839 Starch increased bleeding 6S TRIAL ICM 2013 39(12):2126 6S Earlier bleeding with starch TRIAL P=0.001 ICM 2013 39(12):2126 Bleeding and risk of death 6S TRIAL ICM 2013 39(12):2126 6S TRIAL Reduced QoL at 1-year with starch Starch Ringer’s SF-36 P value Physical component summary score 37 (29-48) 40 (32-51) 0.23 Mental component summary score 45 (36-55) 53 (39-60) 0.01 Critical Care 2013; 17: R58 The 6S summary Higest methodological standards Tested starch in clinical practice Included patients fairly early Gave fluid volumes early and well within the labelled dose Biological plausibility – Cause-and-effect 6S TRIAL A ‘correct’ indication for starch? Existing data do not support ‘correct’ indication for starch Haase et al. Critical Care 2013 A safe starch dose? A safe starch dose? Higher volume Lower volume Cochrane CD007594 CHEST: HES 130/0.4 vs saline in 7,000 general ICU patients Increased use of RRT, RBCs and SAEs with mean 500 ml of starch Myburgh et al. NEJM 2012 Crystalloid to HES volume ratio in blinded trials Ratio CHEST 6S trial NaCl vs 6% HES130 Ringer vs 6% HES130 CRYSTMAS NaCl vs 6% HES130 n=7000 n= 800 n= 196 1.0 1.2 1.1 New data The CRISTAL trial JAMA Oct. 2013 • Open-label trial • ICU patients in shock • Randomisation by envelopes, fixed block size of 4 • Any colloid (maily HES) vs. any crystalloid (maily saline) Primary outcome 90-day mortality The CRISTAL trial JAMA Oct. 2013 •High risk of bias in 3 domains •Unblinded •Uncertain allocation concealment •Baseline imbalance The effect of bias on mortality in HES trials in sepsis Low risk of method. bias RR 1.11 (1.01-1.23), p=0.03 High risk of method. bias RR 0.49 (0.28-0.85), p=0.01 Test of heterogeneity p<0.01 ICM 2013;39:165 CCM 2013;41:580 ICM 2013;39:165 CCM 2013;41:580 Shall we use albumin in sepsis? HES comparator / Non-septic patient Fraud? Kids HES comparator / Non-septic patient SAFE septic pts – outcome Finfer S. ICM 2010 Multivariate analyses Finfer S. ICM 2010 Shall we use albumin in sepsis? Probably not Coming trial results… EARSS - 20% HA vs saline in septic shock ALBIOS - 20% HA vs saline in severe sepsis Until then..................... crystalloids for sepsis www.NEJM.org Sept 24th 2013 3 2 4 1 www.NEJM.org Sept 24th 2013 6S TRISS TRIAL TRIAL anders.perner@regionh.dk