• Intensive care medicine · Nov 2022

    Multicenter Study Observational Study

    Poor timing and failure of source control are risk factors for mortality in critically ill patients with secondary peritonitis.

    • Gennaro De Pascale, Massimo Antonelli, Mieke Deschepper, Kostoula Arvaniti, Koen Blot, Ben Creagh Brown, Dylan de Lange, Jan De Waele, Yalim Dikmen, George Dimopoulos, Christian Eckmann, Guy Francois, Massimo Girardis, Despoina Koulenti, Sonia Labeau, Jeffrey Lipman, Fernando Lipovetsky, Emilio Maseda, Philippe Montravers, Adam Mikstacki, José-Artur Paiva, Cecilia Pereyra, Jordi Rello, Jean-Francois Timsit, Dirk Vogelaers, Stijn Blot, and Abdominal Sepsis Study (AbSeS) group and the Trials Group of the European Society of Intensive Care Medicine.
    • Department of Anesthesiology, Intensive Care and Emergency Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
    • Intensive Care Med. 2022 Nov 1; 48 (11): 159316061593-1606.

    PurposeTo describe data on epidemiology, microbiology, clinical characteristics and outcome of adult patients admitted in the intensive care unit (ICU) with secondary peritonitis, with special emphasis on antimicrobial therapy and source control.MethodsPost hoc analysis of a multicenter observational study (Abdominal Sepsis Study, AbSeS) including 2621 adult ICU patients with intra-abdominal infection in 306 ICUs from 42 countries. Time-till-source control intervention was calculated as from time of diagnosis and classified into 'emergency' (< 2 h), 'urgent' (2-6 h), and 'delayed' (> 6 h). Relationships were assessed by logistic regression analysis and reported as odds ratios (OR) and 95% confidence interval (CI).ResultsThe cohort included 1077 cases of microbiologically confirmed secondary peritonitis. Mortality was 29.7%. The rate of appropriate empiric therapy showed no difference between survivors and non-survivors (66.4% vs. 61.3%, p = 0.1). A stepwise increase in mortality was observed with increasing Sequential Organ Failure Assessment (SOFA) scores (19.6% for a value ≤ 4-55.4% for a value > 12, p < 0.001). The highest odds of death were associated with septic shock (OR 3.08 [1.42-7.00]), late-onset hospital-acquired peritonitis (OR 1.71 [1.16-2.52]) and failed source control evidenced by persistent inflammation at day 7 (OR 5.71 [3.99-8.18]). Compared with 'emergency' source control intervention (< 2 h of diagnosis), 'urgent' source control was the only modifiable covariate associated with lower odds of mortality (OR 0.50 [0.34-0.73]).Conclusion'Urgent' and successful source control was associated with improved odds of survival. Appropriateness of empirical antimicrobial treatment did not significantly affect survival suggesting that source control is more determinative for outcome.© 2022. Springer-Verlag GmbH Germany, part of Springer Nature.

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