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Submitted: 24 May 2022
Accepted: 19 Nov 2022
ePublished: 25 Feb 2023
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J Renal Inj Prev. 2023;12(2): e32077.
doi: 10.34172/jrip.2023.32077

Scopus ID: 85158923671
  Abstract View: 1089
  PDF Download: 650

Case Report

A rare case of urosepsis caused by multidrug-resistant Escherichia hermannii in an immunocompetent toddler

Roham Sarmadian 1* ORCID logo, Parsa Yousefichaijan 2 ORCID logo, Manijeh Kahbazi 3 ORCID logo

1 Tehran University of Medical Sciences, Tehran, Iran
2 Department of Pediatrics, Arak University of Medical Sciences, Arak, Iran
3 Infectious Diseases Research Center (IDRC), Arak University of Medical Sciences, Arak, Iran
*Corresponding Author: Roham Sarmadian, Email: rsarmadian@yahoo.com, , Email: r-sarmadian@student.tums.ac.ir

Abstract

Escherichia hermannii is a gram-negative bacillus from the Enterobacteriaceae family. The formation of a yellow pigment distinguishes E. hermannii from Escherichia coli in the laboratory. This organism is a rare cause of invasive infections, initially thought to be a colonizer microbe with low- pathogenicity. Our report discusses a case of urosepsis caused by E. hermannii in a 17-month-old female patient with a complaint of fever and irritability and also a history of urinary tract infection (UTI) with nephrolithiasis. The isolated bacterium from urine and blood cultures was multidrug-resistant E. hermannii. The patient’s symptoms were improved after treatment with cotrimoxazole and imipenem. This case provides evidence that E. hermannii can be pathogenic and infect the urinary tract. Moreover, the bacterium isolated from this patient indicates that more resistant E. hermannii strains are forming.

Implication for health policy/practice/research/medical education:

Escherichia hermannii has the potential to be pathogenic and infect the urinary tract. Even in individuals with a healthy immune system, E. hermannii can be pathogenic. More resistant strains of E. hermannii are developing.

Please cite this paper as: Sarmadian R, Yousefichaijan P, Kahbazi M. A rare case of urosepsis caused by multidrug-resistant Escherichia hermannii in an immunocompetent toddler. J Renal Inj Prev. 2023; 12(2): e32077. doi: 10.34172/jrip.2023.32077.

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