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Urinary Tract Infections Caused by K. pneumoniae in Kidney Transplant Recipients - Epidemiology, Virulence and

Beata Krawczyk1, Magdalena Wysocka1, Michał Michalik2

  • 1Department of Molecular Biotechnology and Microbiology, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland.

Frontiers in Cellular and Infection Microbiology
|May 9, 2022
PubMed

Insights

Urinary tract infections (UTIs) are common in kidney transplant patients. Klebsiella pneumoniae, especially multidrug-resistant strains, is a major cause of recurrent UTIs, impacting graft function and survival.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Microbiology

Background:

  • Urinary tract infections (UTIs) are the most frequent complication in kidney transplant recipients.
  • These infections can lead to kidney allograft dysfunction and increased mortality.
  • Recurrent UTIs are often caused by multidrug-resistant Klebsiella pneumoniae strains.

Purpose of the Study:

  • To review the epidemiology and risk factors of UTIs in kidney transplant recipients.
  • To discuss the multidrug resistance mechanisms of K. pneumoniae (ESBL, KPC, NDM).
  • To explore the pathogenesis, treatment, and recurrence of K. pneumoniae UTIs, including colonization and asymptomatic bacteriuria.

Main Methods:

  • Literature review and synthesis of existing research on UTIs in kidney transplant recipients.
  • Analysis of epidemiological data and risk factors.
  • Discussion of antimicrobial resistance patterns and clinical management strategies.

Main Results:

  • Klebsiella pneumoniae is a significant pathogen in recurrent UTIs post-transplantation.
  • Multidrug resistance, including ESBL, KPC, and NDM, complicates treatment.
  • Gastrointestinal colonization and asymptomatic bacteriuria are linked to symptomatic UTI development.

Conclusions:

  • Effective management of K. pneumoniae UTIs is crucial for kidney transplant recipient outcomes.
  • Understanding colonization and resistance mechanisms is key to preventing recurrent infections.
  • Further research is needed to optimize treatment and prevention strategies for these vulnerable patients.
Keywords:
Klebsiella pneumoniaeMDRUTIasymptomatic bacteriuriacolonizationkidney transplant recipientrecurrent UTIvirulence factors

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