[Risk factors for Pseudomonas aeruginosa infections, resistant to carbapenem]

Laura Ghibu1, Egidia Miftode, Andra Teodor

  • 1Facultatea de Medicină, Clinica de Boli Infecţioase, Universitatea de Medicină si Farmacie Gr.T. Popa Iaşi.

Abstract

Insights

Carbapenem-resistant Pseudomonas aeruginosa infections are a growing concern. Identifying risk factors for colonization in hospitals and long-term care facilities is crucial for infection control.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Antimicrobial Resistance

Background:

  • Carbapenems are vital antibiotics against Gram-negative pathogens like Pseudomonas aeruginosa.
  • The rise of carbapenem-hydrolyzing beta-lactamases poses a significant clinical challenge.
  • Pseudomonas aeruginosa is a primary cause of hospital-acquired infections.

Purpose of the Study:

  • To identify risk factors for carbapenem-resistant Pseudomonas aeruginosa colonization in hospital settings.
  • To determine risk factors for colonization among residents in long-term care facilities (LTCFs).

Main Methods:

  • Review of existing literature and clinical data.
  • Analysis of patient and facility-specific factors associated with resistant P. aeruginosa.

Main Results:

  • Hospital risk factors include prior P. aeruginosa infection/colonization, prolonged stay, bedridden status, ICU admission, mechanical ventilation, malignancy, and COPD.
  • LTCF risk factors include advanced age, recent antibiotic use, indwelling devices, COPD, physical disability, and specific unit characteristics.

Conclusions:

  • Understanding these risk factors is essential for targeted prevention strategies.
  • Interventions should focus on high-risk patients and healthcare settings to mitigate the spread of carbapenem-resistant P. aeruginosa.

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