• Frank Bloos, Daniel Thomas-Rüddel, Hendrik Rüddel, Christoph Engel, Daniel Schwarzkopf, John C Marshall, Stephan Harbarth, Philipp Simon, Reimer Riessen, Didier Keh, Karin Dey, Manfred Weiß, Susanne Toussaint, Dirk Schädler, Andreas Weyland, Maximillian Ragaller, Konrad Schwarzkopf, Jürgen Eiche, Gerhard Kuhnle, Heike Hoyer, Christiane Hartog, Udo Kaisers, Konrad Reinhart, and MEDUSA Study Group.
• Crit Care. 2014 Jan 1;18(2):R42.

IntroductionCurrent sepsis guidelines recommend antimicrobial treatment (AT) within one hour after onset of sepsis-related organ dysfunction (OD) and surgical source control within 12 hours. The objective of this study was to explore the association between initial infection management according to sepsis treatment recommendations and patient outcome.MethodsIn a prospective observational multi-center cohort study in 44 German ICUs, we studied 1,011 patients with severe sepsis or septic shock regarding times to AT, source control, and adequacy of AT. Primary outcome was 28-day mortality.ResultsMedian time to AT was 2.1 (IQR 0.8 - 6.0) hours and 3 hours (-0.1 - 13.7) to surgical source control. Only 370 (36.6%) patients received AT within one hour after OD in compliance with recommendation. Among 422 patients receiving surgical or interventional source control, those who received source control later than 6 hours after onset of OD had a significantly higher 28-day mortality than patients with earlier source control (42.9% versus 26.7%, P <0.001). Time to AT was significantly longer in ICU and hospital non-survivors; no linear relationship was found between time to AT and 28-day mortality. Regardless of timing, 28-day mortality rate was lower in patients with adequate than non-adequate AT (30.3% versus 40.9%, P < 0.001).ConclusionsA delay in source control beyond 6 hours may have a major impact on patient mortality. Adequate AT is associated with improved patient outcome but compliance with guideline recommendation requires improvement. There was only indirect evidence about the impact of timing of AT on sepsis mortality.

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