Observational studyInfection control and hospital epidemiology2024
Identification of carbapenem-resistant organism (CRO) contamination of in-room sinks in intensive care units in a new hospital bed tower.
Observational study in Infection control and hospital epidemiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Distinct Epidemiology and Temporal Trends of Multidrug-Resistant Organisms in a Newly Established Hospital: A Five-Year Surveillance Study.Antibiotics (Basel, Switzerland) · 2026Article
- Identifying and quantifying ESKAPEE pathogens in and around sinks in high burden hospitals.The Journal of hospital infection · 2026Observational
- Identifying and quantifying ESKAPEE pathogens in and around sinks in high burden hospitals.medRxiv : the preprint server for health sciences · 2026Article
- Spatial proximity dictates bacterial competition and expansion in microbial communities.Nature communications · 2025Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe origins and timing of inpatient room sink contamination with carbapenem-resistant organisms (CROs) are poorly understood.
methodsWe performed a prospective observational study to describe the timing, rate, and frequency of CRO contamination of in-room handwashing sinks in 2 intensive care units (ICU) in a newly constructed hospital bed tower. Study units, A and B, were opened to patient care in succession. The patients in unit A were moved to a new unit in the same bed tower, unit B. Each unit was similarly designed with 26 rooms and in-room sinks. Microbiological samples were taken every 4 weeks from 3 locations from each study sink: the top of the bowl, the drain cover, and the p-trap. The primary outcome was sink conversion events (SCEs), defined as CRO contamination of a sink in which CRO had not previously been detected.
resultsSink samples were obtained 22 times from September 2020 to June 2022, giving 1,638 total environmental cultures. In total, 2,814 patients were admitted to study units while sink sampling occurred. We observed 35 SCEs (73%) overall; 9 sinks (41%) in unit A became contaminated with CRO by month 10, and all 26 sinks became contaminated in unit B by month 7. Overall, 299 CRO isolates were recovered; the most common species were
conclusionCRO contamination of sinks in 2 newly constructed ICUs was rapid and cumulative. Our findings support in-room sinks as reservoirs of CRO and emphasize the need for prevention strategies to mitigate contamination of hands and surfaces from CRO-colonized sinks.
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