Risk factors and mortality of carbapenem-resistant Pseudomonas aeruginosa bloodstream infection in hematology department: a ten-year retrospective study
Journal of Global Antimicrobial Resistance(2024)
摘要
Objective
This study aims to investigate the risk factors for carbapenem-resistant Pseudomonas aeruginosa bloodstream infection (CRPA-BSI) and identify predictors of outcomes among patients with P. aeruginosa bloodstream infection (PA-BSI).
Methods
A retrospective cohort study was conducted on patients with PA-BSI at Henan Cancer Hospital from 2013 to 2022.
Results
Among the 503 incidences analyzed, 15.1% of them were CRPA strains. Age, ANC<100/mmc, receiving antifungal prophylaxis, exposure to carbapenems within the previous 90 days to onset of BSI, and allogeneic HSCT (allo-HSCT) were associated with the development of CRPA-BSI. CRPA-BSI patients experienced significantly higher 28-day mortality rates compared to those with carbapenem-susceptible P. aeruginosa bloodstream infection (CSPA-BSI). Multivariate logistic regression analysis identified age at BSI, active stage of hematological disease, procalcitonin levels, prior corticosteroid treatment, isolation of CRPA, and septic shock as independent predictors of 28-day mortality.
Conclusion
Risk factors for CRPA-BSI include age, ANC <100/mmc, antifungal prophylaxis, exposure to carbapenems, and allo-HSCT. Additionally, age at BSI, active hematological disease, procalcitonin levels, prior corticosteroid treatment, CRPA isolation, and septic shock contribute to increased mortality rates among patients with PA-BSI.
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关键词
Pseudomonas aeruginosa,bloodstream infection,carbapenem resistance,Hematology department,risk factors
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