Journal
INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS
Volume 62, Issue 4, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ijantimicag.2023.106933
Keywords
Carbapenem-resistant; Klebsiella pneumonia; Bacteraemia; Children; Neonates
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Carbapenem-resistant Klebsiella pneumoniae bloodstream infection (BSI) is associated with high mortality in children. Appropriate antimicrobial treatment is important to improve survival.
Objectives: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is increasingly being identified in children, but data on the clinical outcomes in this population are limited. This study aimed to characterise the risk factors for 30-day mortality with CRKP bloodstream infection (BSI) in children. Methods: A retrospective study was performed from January 2018 to December 2021 at the First Affiliated Hospital of Zhengzhou University. Patients aged < 18 years and with CRKP BSI were included. Multivariable Cox and logistic regression were performed to determine risk factors for death and the development of septic shock following CRKP infection, respectively. Results: This study identified 33 neonates aged 0-4 weeks and 37 older children. The 30-day mortality rate was 39.4% in neonates and 43.2% in older children. In the neonatal population, a higher Pitt bacteremia score (HR 1.694; 95% CI 1.313-2.186; P < 0.001) was an independent risk factor for 30-day mortality. In the non-neonatal population, higher platelet count (HR 0.990; 95% CI 0.982-0.998; P = 0.010), the use of carbapenems (HR 0.212; 95% CI 0.064-0.702; P = 0.011) and appropriately targeted antimicrobial treatment (HR 0.327; 95% CI 0.111-0.969; P = 0.044) were associated with decreased 30-day mortality. Monocyte count < 0.1 x 10(9) cells/L (OR 3.615; 95% CI 1.165-11.4 44; P = 0.026) and a higher Pitt bacteremia score (OR 1.330; 95% CI 1.048-1.688; P = 0.019) were identified as risk factors for the development of septic shock. Conclusions: Carbapenem-resistant Klebsiella pneumoniae BSI was associated with high mortality in children. Appropriate antimicrobial treatment is important to improve survival, but more work is needed to assess the efficacy of specific treatment regimens in children. (c) 2023 Elsevier Ltd and International Society of Antimicrobial Chemotherapy. All rights reserved.
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