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Even after being treated with the recommended disinfectant, surgical gowns and stainless steels are still contaminated with the pathogen Clostridium difficile. The study was published in Applied and environmental microbiology, journal of the American Society for Microbiology.
Tina Joshi, BSci, PhD, lecturer in molecular microbiology at the University of Plymouth, UK, said spores of the bacteria could develop after decontamination. This case shows that the spores are becoming resistant and it is necessary to reconsider how to decontaminate and apply hygiene measures in hospitals.
Killing 29,000, It's hard infects about half a million Americans a year. The new strains are responsible for severe disease cases that are difficult to treat. Symptoms can range from diarrhea to fever, rapid heartbeat, inflammation of the bowels and kidney failure. This pathogen usually affects older adults in hospitals and long-term care facilities.
Dr. Joshi stated that the motivation for the research was a case in an American hospital where gowns were suspected of contributing to the transmission of the virus. It's hard. They found that the gowns were contaminated with the deadly 027 strain It's hard.
The team examined the ability It's hard adhere to the surgical gowns of the hospital and then transfer them by applying spores in sterilized water, at a concentration of 1 million per ml, directly on the surgical gowns in liquid form for 10 seconds, 30 seconds, 1 minute, 5 minutes and 10 minutes. minutes before being removed and thrown away. They design this methodology to mimic the transfer of infectious body fluids into the clinical setting in order to access the potential for transmission to patients. Dr. Joshi noted that the number of spores recovered from the gowns did not increase with contact time, suggesting that spore transfer between surfaces occurred within the first 10 seconds following the contact.
They treated the gowns with a disinfectant containing 1000 ppm of chlorine for 10 minutes. The disinfectant has failed to clean the smocks of It's hard. Dr. Joshi added that this proves that gowns can capture and retain spores. Spores from stainless steel and vinyl floors also remained viable after treatment with the disinfectant.
Dr. Joshi explained that because of this situation, it may be prudent to reconsider the amount currently used and to ensure that infection control is standardized. This work can be applied to hospitals around the world and should help inform future guidelines on infection control and biocides.
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