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Potential Use of a Combined Bacteriophage-Probiotic Sanitation System to Control Microbial Contamination and AMR in Healthcare Settings: A Pre-Post Intervention Study.
D'Accolti, Maria; Soffritti, Irene; Bini, Francesca; Mazziga, Eleonora; Arnoldo, Luca; Volta, Antonella; Bisi, Matteo; Antonioli, Paola; Laurenti, Patrizia; Ricciardi, Walter; Vincenti, Sara; Mazzacane, Sante; Caselli, Elisabetta.
  • D'Accolti M; Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences, and LTTA, University of Ferrara, 44121 Ferrara, Italy.
  • Soffritti I; CIAS Research Center, University of Ferrara, 44122 Ferrara, Italy.
  • Bini F; Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences, and LTTA, University of Ferrara, 44121 Ferrara, Italy.
  • Mazziga E; CIAS Research Center, University of Ferrara, 44122 Ferrara, Italy.
  • Arnoldo L; Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences, and LTTA, University of Ferrara, 44121 Ferrara, Italy.
  • Volta A; CIAS Research Center, University of Ferrara, 44122 Ferrara, Italy.
  • Bisi M; Section of Microbiology, Department of Chemical, Pharmaceutical and Agricultural Sciences, and LTTA, University of Ferrara, 44121 Ferrara, Italy.
  • Antonioli P; CIAS Research Center, University of Ferrara, 44122 Ferrara, Italy.
  • Laurenti P; Department of Medicine, University of Udine, 33100 Udine, Italy.
  • Ricciardi W; CIAS Research Center, University of Ferrara, 44122 Ferrara, Italy.
  • Vincenti S; CIAS Research Center, University of Ferrara, 44122 Ferrara, Italy.
  • Mazzacane S; Department of Infection Prevention Control and Risk Management, S. Anna University Hospital, 44124 Ferrara, Italy.
  • Caselli E; Department of Health Sciences and Public Health, Section of Hygiene, Catholic University of the Sacred Heart, 00168 Rome, Italy.
Int J Mol Sci ; 24(7)2023 Mar 31.
Article in English | MEDLINE | ID: covidwho-2293786
ABSTRACT
Microbial contamination in the hospital environment is a major concern for public health, since it significantly contributes to the onset of healthcare-associated infections (HAIs), which are further complicated by the alarming level of antimicrobial resistance (AMR) of HAI-associated pathogens. Chemical disinfection to control bioburden has a temporary effect and can favor the selection of resistant pathogens, as observed during the COVID-19 pandemic. Instead, probiotic-based sanitation (probiotic cleaning hygiene system, PCHS) was reported to stably abate pathogens, AMR, and HAIs. PCHS action is not rapid nor specific, being based on competitive exclusion, but the addition of lytic bacteriophages that quickly and specifically kill selected bacteria was shown to improve PCHS effectiveness. This study aimed to investigate the effect of such combined probiotic-phage sanitation (PCHSφ) in two Italian hospitals, targeting staphylococcal contamination. The results showed that PCHSφ could provide a significantly higher removal of staphylococci, including resistant strains, compared with disinfectants (-76%, p < 0.05) and PCHS alone (-50%, p < 0.05). Extraordinary sporadic chlorine disinfection appeared compatible with PCHSφ, while frequent routine chlorine usage inactivated the probiotic/phage components, preventing PCHSφ action. The collected data highlight the potential of a biological sanitation for better control of the infectious risk in healthcare facilities, without worsening pollution and AMR concerns.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Bacteriophages / Cross Infection / Probiotics / COVID-19 Type of study: Experimental Studies / Prognostic study / Randomized controlled trials Limits: Humans Language: English Year: 2023 Document Type: Article Affiliation country: Ijms24076535

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Bacteriophages / Cross Infection / Probiotics / COVID-19 Type of study: Experimental Studies / Prognostic study / Randomized controlled trials Limits: Humans Language: English Year: 2023 Document Type: Article Affiliation country: Ijms24076535