ArticleAntimicrobial resistance and infection control2025
Assessment of the risk of aerosol transmission of CRKP during bronchoscopy in the intensive care unit.
Article in Antimicrobial resistance and infection control, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Interpretable machine learning for early detection of carbapenem-resistantFrontiers in public health · 2026Article
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3 authors.
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Abstract
backgroundThe potential for aerosol generation during bronchoscopy to facilitate the transmission of multidrug-resistant bacteria remains incompletely understood. This study aimed to assess the risk of carbapenem-resistant Klebsiella pneumoniae (CRKP) transmission via aerosols during bronchoscopy in an intensive care unit (ICU).
methodsWe collected eight samples from the ICU of a tertiary general hospital, including bronchoalveolar lavage fluid (BALF) samples from one patient with community-acquired pneumonia and one patient with hospital-acquired CRKP infection, as well as air samples collected at 1, 2, and 3 m from the patients' bedsides. The gene sequences of the isolates were determined using Sanger sequencing, and the sequence type (ST) of the strains was identified through multilocus sequence typing (MLST). Phylogenetic and evolutionary analyses were performed using the MEGA program to construct maximum likelihood trees.
resultsAll samples tested positive for CRKP, with consistent antibiotic susceptibility profiles showing resistance to first-line antibiotics commonly used in clinical practice. All isolates were identified as ST11-type CRKP, and phylogenetic analysis revealed high homology among the eight CRKP isolates.
conclusionsThis study demonstrates that CRKP can be transmitted through aerosols up to 3 m during bronchoscopy in the ICU, leading to hospital-acquired infections in patients in adjacent beds. These findings underscore the need for enhanced infection control measures during aerosol-generating procedures in high-risk settings.
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