Healthcare-associated carbapenem-resistant Klebsiella pneumoniae bloodstream infections: Risk factors, mortality, and antimicrobial susceptibility, 2017-2019.

Journal of the Formosan Medical Association = Taiwan Yi Zhi
Jen-Yu HsuSzu-Min Hsieh

Abstract

In Taiwan, carbapenem-resistant Klebsiella pneumoniae (CRKP) now became a leading cause of difficult-to-treat healthcare-associated infection, for which there are a lack of recent hospital epidemiological studies on risk factors, mortality, and antimicrobial susceptibility. We prospectively enrolled patients with healthcare-associated CRKP monomicrobial bloodstream infection (mBSI) and matched patients with carbapenem susceptible K. pneumoniae (CSKP) mBSI at National Taiwan University Hospital (Taipei, Taiwan) from October 2017 through December 2019 in a 1:2 ratio. Multivariable logistic regression and Kaplan-Meier analyses were applied to identify factors associated with CRKP mBSI and to compare the 14-day survival curves, respectively. We detected the presence of blaKPC and blaNDM gene among the included CRKP strains, and performed antimicrobial susceptibility testing (including susceptibility to colistin, aminoglycoside, tigecycline, and ceftazidime/avibactam). A total of 36 CRKP cases and 72 CSKP controls were enrolled. Patients with CRKP mBSI were more likely to have liver cirrhosis (adjusted odds ratio [aOR], 5.61; P = 0.024), length of hospital stay over the previous 14 days (aOR, 1.23; P = 0.001) and prior use of carbap...Continue Reading

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