Cited by 71Infection Control in HealthcareAntimicrobial agents and applicationsBacterial biofilms and quorum sensing

Hygiene: microbial strategies to reduce pathogens and drug resistance in clinical settings

Open access
Caselli, Elisabetta·2017·Microbial Biotechnology

Abstract

Summary: Healthcare‐associated infections ( HAI s) are a global concern, affecting all western hospitals, and profoundly impairing the clinical outcome of up to 15% of all hospitalized patients. Persistent microbial contamination of hospital surfaces has been suggested to contribute to HAI s onset, representing a reservoir for hospital pathogens. On the other hand, conventional chemicals‐based sanitation do not prevent recontamination and can select drug‐resistant strains, resulting in over 50% of surfaces persistently contaminated. There is therefore an urgent need for alternative sustainable and effective ways to control pathogens contamination and transmission. Toward this goal, we recently reported that a probiotic‐based sanitation can stably decrease surface pathogens up to 90% more than conventional disinfectants, without selecting resistant species. This paper summarizes some of our most significant results.

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Crossref · 10.1111/1751-7915.12755

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  • PCHS results in a >50% decrease in HAI incidence.

    “This type of sanitation has been shown to reduce surface pathogens 80% more than chemical disinfectants without selecting resistant strains but rather decreasing the prevalence of preexisting AMR up to 99.9%, resulting in a > 50% decrease in HAI incidence [8, 29–35].”

    From Profiling the resistome and virulome of Bacillus strains used for probiotic-based sanitation: a multicenter WGS analysis (2025) · cites this paper as [31]

    The paper reports reduced pathogens on PCHS-treated surfaces, not a measured reduction in HAI incidence. In the passage supplied under Abstract (no page given), it says whether that surface reduction leads to fewer HAIs still needs to be verified and describes an ongoing study to test it. (LLM, conf=0.88)

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  • PCHS reduces surface pathogens 80% more than chemical disinfectants.

    “This type of sanitation has been shown to reduce surface pathogens 80% more than chemical disinfectants without selecting resistant strains but rather decreasing the prevalence of preexisting AMR up to 99.9%, resulting in a > 50% decrease in HAI incidence [8, 29–35].”

    From Profiling the resistome and virulome of Bacillus strains used for probiotic-based sanitation: a multicenter WGS analysis (2025) · cites this paper as [31]

    The Abstract reports that PCHS reduced surface pathogens more than conventional disinfectants, but gives the magnitude as up to 90% more, not 80% more. The comparison is supported; the specific percentage attributed to this source is not. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • PCHS does not select resistant strains but decreases the prevalence of preexisting AMR up to 99.9%.

    “This type of sanitation has been shown to reduce surface pathogens 80% more than chemical disinfectants without selecting resistant strains but rather decreasing the prevalence of preexisting AMR up to 99.9%, resulting in a > 50% decrease in HAI incidence [8, 29–35].”

    From Profiling the resistome and virulome of Bacillus strains used for probiotic-based sanitation: a multicenter WGS analysis (2025) · cites this paper as [31]

    The Abstract (page unavailable) says PCHS did not select drug-resistant strains and reduced antibiotic-resistance genes in the residual surface microbiota. It does not give a 99.9% reduction or measure the prevalence of preexisting AMR in those terms. (LLM, conf=0.87)

    Experimental — accuracy not yet measured

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Authors
Caselli, E.
Affiliations
University of Ferrara (IT)
Corresponding author
Caselli, Elisabetta
Venue
Microbial Biotechnology
Publisher
Wiley
Published
2017-07-05
Volume
10
Issue
5
Pages
1079-1083
ISSN
1751-7915 (ISSN-L)
OpenAlex
W2728099998
Cited by
71
References
37
Citations by year
2026: 2 · 2025: 6 · 2024: 6 · 2023: 9 · 2022: 9 · 2021: 11 · 2020: 5 · 2019: 14 · 2018: 7 · 2017: 2
FWCI
1.17
Type
journal article
Language
en
Open access
Locations
  • Microbial Biotechnology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Research Information System University of Ferrara (University of Ferrara) (submittedVersion, cc-by)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Infection Control in Healthcare
  • Physical Sciences › Chemistry › Organic Chemistry › Antimicrobial agents and applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
nosocomial infections, hospital surface contamination, antimicrobial resistance, disinfectants, pathogen transmission, microbial contamination control, sustainable sanitation
MeSH terms
Bacteria, Bacterial Infections, Cross Infection, Hospitals, Humans, Hygiene, Infection Control, Bacterial Physiological Phenomena, Drug Resistance, Bacterial

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