A Multi-Centered Case-Case-Control Study of Factors Associated With Klebsiella pneumoniae Carbapenemase-Producing Enterobacteriaceae Infections in Children and Young Adults

The Pediatric Infectious Disease Journal
Latania K LoganRobert A Weinstein

Abstract

Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae (KPC-CRE) are multidrug-resistant organisms causing morbidity and mortality worldwide. KPC-CRE prevalence is increasing in pediatric populations, though multi-centered data are lacking. Identifying risk factors for KPC-CRE infection in children and classifying genotypes is a priority in this vulnerable population. A case-case-control study of patients (0-22 years) at 3 tertiary-care Chicago-area medical centers, 2008-2015, was conducted. Case group 1 children possessed KPC-CRE infections; case group 2 harbored carbapenem-susceptible Enterobacteriaceae (CSE) infections; controls had negative cultures. Case-control matching was 1:1:3 by age, infection site and hospital. Statistical and molecular analyses were performed. Eighteen KPC-CRE infections were identified; median patient age was 16.5 years. Of 4 available KPC-CRE, 2 were unrelated, non-ST258 KP strains harboring blaKPC-2, one was a ST258 KP harboring blaKPC-3, and the last was an E. coli containing blaKPC-2. KPC-CRE and CSE-infected patients had more multidrug-resistant organisms infections, long-term care facility admissions and lengths of stay (LOS) > 7 days before culture. KPC-CRE and CSE patients h...Continue Reading

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Citations

Dec 18, 2019·Antimicrobial Agents and Chemotherapy·David Aguilera-AlonsoFernando Baquero-Artigao

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