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Objective: Exploring infectious diseases (ID) practice in Intensive Care Unit (ICU) to identify gaps and opportunities., Design: Online international survey (PRACT-INF-ICU) endorsed by the ESICM and open from July 30, 2019 to October 19, 2019., Setting: International study conducted in 78 countries., Participants: Physicians working in ICU., Interventions: None., Main Variables of Interest: Practice variations were assessed according to respondents' countries income class, training, and years of practice. Univariate and multivariate ordinal logistic regression were used to estimate associations between respondents' characteristics and their perceptions regarding adequacy of training., Results: 466 intensivists with a median practice of 10 years (interquartile range, 5-19) completed the survey. A third reported no antimicrobial stewardship program and 40% had no regular microbiological rounds in their ICUs. Intensivists were mostly the decision makers for the initial antimicrobial therapy which in 70% of cases were based on guidelines or protocols. Non-ICU expertise were sought more frequently on reviewing (48/72h, culture adjustment and discontinuation in 32%, 39% and 21% respectively) rather than antimicrobial therapy initiation (16%). Only 42% described ID training as adequate. Multivariate ordinal logistic regression showed that low- to middle-income countries (OR: 0.41, 95% CI: 0.28-0.61), ICU practice ≤10 years (OR: 0.55, 95% CI: 0.39-0.79), and dual training with anaesthesia (OR: 0.52, 95% CI: 0.34-0.79) or medicine (OR: 0.49, 95% CI: 0.32-0.76) were associated with less training satisfaction., Conclusion: ID practice is heterogeneous across ICUs while antimicrobial stewardship program is not universally implemented. From intensivists' perspective, ID training and knowledge need improvement., (Copyright © 2021 Elsevier España, S.L.U. and SEMICYUC. All rights reserved.)

Objective: Exploring infectious diseases (ID) practice in Intensive Care Unit (ICU) to identify gaps and opportunities., Design: Online international survey (PRACT-INF-ICU) endorsed by the ESICM and open from July 30, 2019 to October 19, 2019., Setting: International study conducted in 78 countries., Participants: Physicians working in ICU., Interventions: None., Main Variables of Interest: Practice variations were assessed according to respondents' countries income class, training, and years of practice. Univariate and multivariate ordinal logistic regression were used to estimate associations between respondents' characteristics and their perceptions regarding adequacy of training., Results: 466 intensivists with a median practice of 10 years (interquartile range, 5-19) completed the survey. A third reported no antimicrobial stewardship program and 40% had no regular microbiological rounds in their ICUs. Intensivists were mostly the decision makers for the initial antimicrobial therapy which in 70% of cases were based on guidelines or protocols. Non-ICU expertise were sought more frequently on reviewing (48/72h, culture adjustment and discontinuation in 32%, 39% and 21% respectively) rather than antimicrobial therapy initiation (16%). Only 42% described ID training as adequate. Multivariate ordinal logistic regression showed that low- to middle-income countries (OR: 0.41, 95% CI: 0.28-0.61), ICU practice ≤10 years (OR: 0.55, 95% CI: 0.39-0.79), and dual training with anaesthesia (OR: 0.52, 95% CI: 0.34-0.79) or medicine (OR: 0.49, 95% CI: 0.32-0.76) were associated with less training satisfaction., Conclusion: ID practice is heterogeneous across ICUs while antimicrobial stewardship program is not universally implemented. From intensivists' perspective, ID training and knowledge need improvement., (Copyright © 2021 Elsevier España, S.L.U. y SEMICYUC. All rights reserved.)

Introduction: In Europe, non-typeable H. influenzae (NTHi) is the leading cause of invasive H. influenzae disease in adults and is associated with high mortality. The goal of this study was to determine whether current antimicrobial treatments for H. influenzae infection in Spain are suitable based on their probability of achieving pharmacokinetic/pharmacodynamic (PK/PD) targets., Methods: Pharmacokinetic parameters for the antibiotics studied (amoxicillin, amoxicillin/clavulanic acid, ampicillin, cefotaxime, ceftriaxone, imipenem and ciprofloxacin) and susceptibility data for H. influenzae were obtained from literature. A Monte Carlo simulation was used to estimate the probability of target attainment (PTA), defined as the probability that at least a specific value of a PK/PD index is achieved at a certain MIC, and the cumulative fraction of response (CFR), defined as the expected population PTA for a specific drug dose and a specific microorganism population., Results: Regardless of dosing regimen, all antibiotics yielded CFR values of 100% or nearly 100% for all strains, including BL+, BL- and BLNAR, except amoxicillin and ampicillin for BL+. Thus, if an infection is caused by BL+ strains, treatment with amoxicillin and ampicillin has a high probability of failure (CFR≤8%). For standard doses of amoxicillin, amoxicillin/clavulanic acid and imipenem, PK/PD breakpoints were consistent with EUCAST clinical breakpoints. For the other antimicrobials, PK/PD breakpoints were higher than EUCAST clinical breakpoints., Conclusions: Our study confirms by PK/PD analysis that, with the antimicrobials used as empirical treatment of invasive H. influenzae disease, a high probability of therapeutic success can be expected., (Publicado por Elsevier España, S.L.U.)