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Published on: July 20, 2022
Using detachment-promoting agents for the prevention of chronic peritoneal dialysis-associated infections
Bernard Branger1, Karine Marion, Emmanuelle Bergeron
1CHU de Nîmes, Service de Néphrologie, Nimes, France.
Abstract:
Biofilms are known to be responsible for chronic peritoneal dialysis (PD)-related infections. Such infections are still frequent among patients in PD. The aim of this study was to develop a new approach in the prevention of chronic PD-related infection by regular injection of specific formulations containing detachment-promoting agents. A biofilm reactor system reproducing PD-like operating conditions was developed. A first set of experiments allowed the assessment of the anti-biofilm efficacy of various formulations. Then, experiments were performed for a longer duration and selected formulations were tested and compared with taurolidine. Biofilm removal was quantified by calculating the percentage of coverage reduction compared with an untreated control. A regular weekly treatment led to a 97% reduction of the surface coverage although a daily treatment with taurolidine still left 48% of the biomass on the surface. Such treatment is recommended to reduce the frequencies of chronic PD-related infections.
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