Changes in the characteristics of community-onset fluoroquinolone-resistant Escherichia coli isolates causing community-acquired acute pyelonephritis in South Korea

Kim, Bongyoung; Kim, Jeoungyeon; Jo, Hyun-uk; Kwon, Ki Tae; Ryu, Seong Yeol; Wie, Seong Heon; Kim, Jieun; Park, Se Yoon; Hong, Ki Jeong; Kim, Hye In; Kim, Hyun ah; Kim, Mi-Hee; Bae, Moo-Ho; Sohn, Yong-Hak; Lee, Yangsoon; Pai, Hyunjoo

doi:10.1016/j.jmii.2022.01.001

Cited by 5 publications

(1 citation statement)

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“…A study conducted in Iraq in 2020–2021 revealed that E. coli was found to be more resistant to ceftriaxone, ceftazidime, ampicillin, aztreonam, and levofloxacin and less resistant to imipenem, than K. pneumoniae [ 55 ]. Antibiotic-resistant E. coli causing community-onset APNs has diverse mechanisms of drug resistance including ESBL, plasmid-mediated AmpC-lactamase, or plasmid-mediated quinolone resistance [ 56 ]. Extensively drug-resistant K. pneumoniae exhibits biofilm-forming ability, which confers it with drug resistance [ 57 ].…”

Section: Discussionmentioning

confidence: 99%

Clinical Characteristics of Uncomplicated Acute Pyelonephritis Caused by Escherichia coli and Klebsiella pneumoniae

Hyun,

Lee,

Lim

et al. 2024

Infect Dis Ther

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Introduction:This study compared the clinical characteristics and antimicrobial susceptibility of uncomplicated acute pyelonephritis (APN) caused by Escherichia coli and Klebsiella pneumoniae. Methods: We retrospectively reviewed the medical records of patients with uncomplicated APNs caused by E. coli and K. pneumoniae admitted to Keimyung University Dongsan Hospital between February 2014 and December 2021. Results:We enrolled 497 patients (372 with E. coli infection, 125 with K. pneumoniae infection). Male, healthcare-associated infection, solid tumors, liver cirrhosis, chronic renal disease, solid organ transplantation, and antibiotic usage within the last 3 months were more strongly associated with K. pneumoniae uncomplicated APNs than with E. coli. Bacteremia and fever occurred more frequently in E. coli uncomplicated APNs. Antimicrobial resistance rates to piperacillin/tazobactam and carbapenem were higher in K. pneumoniae. Antimicrobial resistance rates to aztreonam and ciprofloxacin were lower in K. pneumoniae. Thirty-day mortality was more observed in K. pneumoniae group in univariate analysis, but this difference was not observed after adjustment. Male sex, ultimately fatal disease in McCabe, and prior antibiotic use within 3 months were more associated with K. pneumoniae. Conclusions: Male, underlying diseases, and prior antibiotic use was more associated with K. pneumoniae. Further study will be needed that microbiome of each situation and the related with the distribution of the strains.

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Section: Discussionmentioning

confidence: 99%