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S Frigui1, A A Messadi2,3, L Thabet1,3

  • 1Laboratoire de Biologie Médicale et Banque du Sang, Centre de Traumatologie et des Grands Brûlés de Ben Arous, Tunisie.

Annals of Burns and Fire Disasters
|March 12, 2021
PubMed
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Pseudomonas aeruginosa (PA) is a common cause of burn infections. High rates of multidrug-resistant PA, particularly carbapenem-resistant strains, were observed, complicating patient management.

Area of Science:

  • Infectious Diseases
  • Clinical Microbiology
  • Burn Care

Context:

  • Pseudomonas aeruginosa (PA) is a leading cause of infections in burn patients.
  • Multidrug-resistant strains pose significant challenges in managing burn wound infections.
  • Understanding local epidemiology and antibiotic resistance patterns is crucial for effective treatment.

Purpose:

  • To determine the incidence density of PA colonization and infection in a burn unit.
  • To investigate the antibiotic susceptibility profiles of isolated PA strains.
  • To analyze the correlation between PA colonization and infection.

Summary:

  • A retrospective study analyzed 1649 PA strains over 8 years (2012-2019) in a Tunisian burn unit.
  • PA was the most prevalent organism (15%), with colonization and infection incidence densities of 16.1‰ and 16.5‰ patient-days, respectively.

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  • High resistance rates were noted for piperacillin-tazobactam (72.4%), meropenem (74%), and amikacin (74.6%), with a 78% multidrug resistance rate and 14.4% metallo-carbapenemase-producing strains.

    • Impact:

    • Findings highlight the significant burden of multidrug-resistant PA in burn patients.
    • Results underscore the need for robust infection control and antibiotic stewardship programs.
    • Data provides critical insights for empirical treatment strategies and antimicrobial surveillance in burn units.