Leighanne O Parkes1, Susy S Hota2,3. 1. Department of Medicine, Division of Infectious Diseases, Jewish General Hospital, McGill University, Pavilion E-0054, 3755 Chemin de la Cote-Sainte-Catherine, Montreal, QC, H3T 1E2, Canada. 2. Department of Medicine, Division of Infectious Diseases, University of Toronto, Toronto, ON, Canada. susy.hota@uhn.ca. 3. Department of Infection Prevention and Control, University Health Network, 9th Floor - 8 PMB 102, 585 University Avenue, Toronto, ON, M5G 2C4, Canada. susy.hota@uhn.ca.
Abstract
PURPOSE OF REVIEW: In this review, we summarize recent outbreaks attributed to hospital sinks and examine design features and behaviors that contributed to these outbreaks. The effectiveness of various risk mitigation strategies is presented. Finally, we examine investigational strategies targeted at reducing the risk of sink-related infections. RECENT FINDINGS: Outbreaks of hospital sink-related infections involve a diverse spectrum of microorganisms. They can be attributed to defects in sink design and hospital wastewater systems that promote the formation and dispersion of biofilm, as well as healthcare practitioner and patient behaviors. Risk mitigation strategies are often bundled; while they may reduce clinical cases, sink colonization may persist. Novel approaches targeting biofilms show promise but require more investigation. Emphasis should be placed on optimizing best practices in sink design and placement to prevent infections. Hospitals should consider developing a rational surveillance and prevention strategy based on the current design and state of their sinks.
PURPOSE OF REVIEW: In this review, we summarize recent outbreaks attributed to hospital sinks and examine design features and behaviors that contributed to these outbreaks. The effectiveness of various risk mitigation strategies is presented. Finally, we examine investigational strategies targeted at reducing the risk of sink-related infections. RECENT FINDINGS: Outbreaks of hospital sink-related infections involve a diverse spectrum of microorganisms. They can be attributed to defects in sink design and hospital wastewater systems that promote the formation and dispersion of biofilm, as well as healthcare practitioner and patient behaviors. Risk mitigation strategies are often bundled; while they may reduce clinical cases, sink colonization may persist. Novel approaches targeting biofilms show promise but require more investigation. Emphasis should be placed on optimizing best practices in sink design and placement to prevent infections. Hospitals should consider developing a rational surveillance and prevention strategy based on the current design and state of their sinks.
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