First VIM-producing representative of Pseudomonas putida group from the largest Bulgarian hospital

Atanaska Petrova1, Ivan N Ivanov2, Liubomir Paunov1

  • 1Medical University of Plovdiv, Plovdiv, Bulgaria.

Folia Medica
|January 8, 2025
PubMed

Insights

This study identifies the first VIM-2-producing Pseudomonas krumegalensis, a member of the Pseudomonas putida group. This bacterium was detected in Bulgaria's largest hospital, highlighting a new challenge in antimicrobial resistance.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Antimicrobial Resistance

Background:

  • The emergence of carbapenemase-producing bacteria poses a significant global health threat.
  • Pseudomonas species are common opportunistic pathogens, and their resistance mechanisms are of clinical importance.
  • VIM-2 is a prevalent metallo-beta-lactamase conferring resistance to carbapenems.

Purpose of the Study:

  • To report the first detection of a VIM-2-producing Pseudomonas krumegalensis.
  • To characterize this novel finding within a Bulgarian healthcare setting.

Main Methods:

  • Bacterial isolation and identification from clinical samples.
  • Phenotypic and genotypic characterization of antimicrobial resistance, including VIM-2 detection.

Main Results:

  • Identification of Pseudomonas krumegalensis as the VIM-2 producer.
  • The isolate was recovered from St George University Hospital, Plovdiv, Bulgaria.
  • This represents the first documented instance of VIM-2 production in this bacterial species.

Conclusions:

  • The presence of VIM-2-producing Pseudomonas krumegalensis in Bulgaria signifies a potential expansion of carbapenemase-producing organisms.
  • This finding underscores the need for enhanced surveillance and infection control measures against multidrug-resistant bacteria in healthcare settings.

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