ArticleAntimicrobial resistance and infection control2024
Occurrence of chlorine-resistant Pseudomonas aeruginosa in hospital water systems: threat of waterborne infections for patients.
Article in Antimicrobial resistance and infection control, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Long-Term Environmental Surveillance ofPathogens (Basel, Switzerland) · 2026Article
- Evaluation of disinfection methods and effects for handwashing sinks contaminated with Pseudomonas aeruginosa.Scientific reports · 2026Article
- Molecular Epidemiology of Carbapenem-ResistantAntibiotics (Basel, Switzerland) · 2026Article
- Rapid and sensitive detection ofFrontiers in cellular and infection microbiology · 2026Article
- Water management practices and antibiotic-resistantJournal of water and health · 2025Article
- Article
- Veterinary Clinics as Reservoirs forAntibiotics (Basel, Switzerland) · 2025Review
- Label-Free Flow Cytometry: A Powerful Tool to Rapidly and Accurately Assess the Efficacy of Chemical Disinfectants.Microorganisms · 2025Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundSeveral healthcare-associated infection outbreaks have been caused by waterborne Pseudomonas aeruginosa exhibiting its ability to colonize water systems and resist conventional chlorine treatment. This study aims to investigate the occurrence of Pseudomonas aeruginosa in hospital drinking water systems and the antimicrobial resistance profiles (antibiotic and chlorine resistance) of isolated strains.
methodsWe investigated the presence of Pseudomonas aeruginosa in water and biofilms developed in nine hospital water systems (n = 192) using culture-based and molecular methods. We further assessed the survival of isolated strains after exposure to 0.5 and 1.5 ppm concentrations of chlorine. The profile of antibiotic resistance and presence of antibiotic resistance genes in isolated strains were also investigated.
resultsUsing direct PCR method, Pseudomonas aeruginosa was detected in 22% (21/96) of water and 28% (27/96) of biofilm samples. However, culturable Pseudomonas aeruginosa was isolated from 14 samples. Most of P. aeruginosa isolates (86%) were resistant to at least one antibiotic (mainly β-lactams), with 50% demonstrating multidrug resistance. Moreover, three isolates harbored intI1 gene and two isolates contained bla
conclusionsThe detection of antimicrobial resistant Pseudomonas aeruginosa in hospital water systems raises concerns about the potential for infections among hospitalized patients. The implementation of advanced mitigation measures and targeted disinfection methods should be considered to tackle the evolving challenges within hospital water systems.
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