Cefiderocol Versus Colistin for the Treatment of Carbapenem-Resistant Acinetobacter baumannii Complex Bloodstream Infections: A Retrospective, Propensity-Score Adjusted, Monocentric Cohort Study
Introduction Bloodstream infections (BSI) caused by carbapenem-resistant Acinetobacter baumannii (CRAB) are associated with high mortality with limited treatment. The aim of this study is to compare effectiveness and safety of colistin-based versus cefiderocol-based therapies for CRAB-BSI. Methods This is a retrospective observational study enrolling patients with monomicrobial CRAB-BSIs treated with colistin or cefiderocol from 1 January 2020, to 31 December 2022. The 30-day all-cause mortality rate was the primary outcome. A Cox regression analysis was performed to identify factors independently associated with mortality. A propensity score analysis using inverse probability of treatment weighting (IPTW) was also performed. Results Overall 118 patients were enrolled, 75 (63%) and 43 (37%) treated with colistin- and cefiderocol-based regimens. The median (q1–q3) age was 70 (62–79) years; 70 (59%) patients were men. The 30-day all-cause mortality was 52%, significantly lower in the cefiderocol group (40% vs 59%, p = 0.045). By performing a Cox regression model, age (aHR = 1.03, 95% CI 1.00–1.05), septic shock (aHR = 1.93, 95% CI 1.05–3.53), and delayed targeted therapy (aHR = 2.42, 95% CI 1.11–5.25) were independent predictors of mortality, while cefiderocol-based therapy was protective (aHR = 0.49, 95% CI 0.25–0.93). The IPTW-adjusted Cox analysis confirmed the protective effect of cefiderocol (aHR = 0.53, 95% CI 0.27–0.98). Conclusions Cefiderocol may be a valuable treatment option for CRAB-BSI, especially in the current context of limited treatment options..
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2023 |
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Erschienen: |
2023 |
Enthalten in: |
Zur Gesamtaufnahme - volume:12 |
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Enthalten in: |
Infectious diseases and therapy - 12(2023), 8 vom: Aug., Seite 2147-2163 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Bavaro, Davide Fiore [VerfasserIn] |
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Links: |
Volltext [kostenfrei] |
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Themen: |
Antimicrobial resistance |
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Anmerkungen: |
© The Author(s) 2023 |
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doi: |
10.1007/s40121-023-00854-6 |
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funding: |
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PPN (Katalog-ID): |
SPR053099575 |
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520 | |a Introduction Bloodstream infections (BSI) caused by carbapenem-resistant Acinetobacter baumannii (CRAB) are associated with high mortality with limited treatment. The aim of this study is to compare effectiveness and safety of colistin-based versus cefiderocol-based therapies for CRAB-BSI. Methods This is a retrospective observational study enrolling patients with monomicrobial CRAB-BSIs treated with colistin or cefiderocol from 1 January 2020, to 31 December 2022. The 30-day all-cause mortality rate was the primary outcome. A Cox regression analysis was performed to identify factors independently associated with mortality. A propensity score analysis using inverse probability of treatment weighting (IPTW) was also performed. Results Overall 118 patients were enrolled, 75 (63%) and 43 (37%) treated with colistin- and cefiderocol-based regimens. The median (q1–q3) age was 70 (62–79) years; 70 (59%) patients were men. The 30-day all-cause mortality was 52%, significantly lower in the cefiderocol group (40% vs 59%, p = 0.045). By performing a Cox regression model, age (aHR = 1.03, 95% CI 1.00–1.05), septic shock (aHR = 1.93, 95% CI 1.05–3.53), and delayed targeted therapy (aHR = 2.42, 95% CI 1.11–5.25) were independent predictors of mortality, while cefiderocol-based therapy was protective (aHR = 0.49, 95% CI 0.25–0.93). The IPTW-adjusted Cox analysis confirmed the protective effect of cefiderocol (aHR = 0.53, 95% CI 0.27–0.98). Conclusions Cefiderocol may be a valuable treatment option for CRAB-BSI, especially in the current context of limited treatment options. | ||
650 | 4 | |a Antimicrobial resistance |7 (dpeaa)DE-He213 | |
650 | 4 | |a Bloodstream infections |7 (dpeaa)DE-He213 | |
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700 | 1 | |a Romanelli, Federica |4 aut | |
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700 | 1 | |a Dalfino, Lidia |4 aut | |
700 | 1 | |a Grasso, Salvatore |4 aut | |
700 | 1 | |a Saracino, Annalisa |4 aut | |
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