• Journal of critical care · Apr 2019

    Risk factors for mortality and cost implications of complicated intra-abdominal infections in critically ill patients.

    • Gennaro De Pascale, Simone Carelli, Maria Sole Vallecoccia, Salvatore Lucio Cutuli, Temistocle Taccheri, Luca Montini, Giuseppe Bello, Teresa Spanu, Mario Tumbarello, Americo Cicchetti, Irene Urbina, Marco Oradei, Marco Marchetti, and Massimo Antonelli.
    • Dipartimento di Scienza dell'Emergenza, Anestesiologiche e della Rianimazione - UOC di Anestesia, Rianimazione, Terapia Intensiva e Tossicologia Clinica - Istituto di Anestesia e Rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma - Università Cattolica del Sacro Cuore, Italy. Electronic address: gennaro.depascale@policlinicogemelli.it.
    • J Crit Care. 2019 Apr 1; 50: 169-176.

    PurposeTo assess risk factors for 28-day mortality and cost implications in intensive care unit (ICU) patients with complicated intra-abdominal infections (cIAIs).MethodsSingle-center retrospective cohort study of prospectively collected data analysing ICU patients with a microbiologically confirmed complicated intra-abdominal infections.Results137 complicated intra-abdominal infections were included and stratified according to the adequacy of antimicrobial therapy (initial inadequate antimicrobial therapy [IIAT], n = 44; initial adequate antimicrobial therapy [IAAT], n = 93). The empirical use of enterococci/methicillin-resistant Staphylococcus aureus active agents and of carbapenems was associated with a higher rate of therapeutic adequacy (p = 0.016 and p = 0.01, respectively) while empirical double gram-negative and antifungal therapy did not. IAAT showed significantly lower mortality at 28 and 90 days and increased clinical cure and microbiological eradication (p < 0.01). In the logistic and Cox-regression models, IIAT and inadequate source control were the unique predictors of 28-day mortality. No costs differences were related to the adequacy of empirical therapy and source control. The empirical double gram-negative and antifungal therapy (p = 0.03, p = 0.04) as well as the isolation of multidrug-resistant (MDR) bacteria and the microbiological failure after targeted therapy were drivers of increased costs (p = 0.004, p = 0.04).ConclusionsIIAT and inadequate source control are confirmed predictors of mortality in ICU patients with complicated intra-abdominal infections. Empirical antimicrobial strategies and MDR may drive hospital costs.Copyright © 2018 Elsevier Inc. All rights reserved.

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