Contact patterns during cleaning of vomitus: A simulation study

Publication date: Available online 31 August 2017
Source:American Journal of Infection Control
Author(s): Yu-Min Su, Linh Phan, Osayuwamen Edomwande, Rachel Weber, Susan C. Bleasdale, Lisa M. Brosseau, Charissa Fritzen-Pedicini, Monica Sikka, Rachael M. Jones
BackgroundEnvironmental service workers cleaning bodily fluids may transfer pathogens through the environment and to themselves through contacts.MethodsParticipants with experience in cleaning of hospital environments were asked to clean simulated vomitus using normal practices in a simulated patient room while being videorecorded. Contacts with environmental surfaces and self were later observed.ResultsIn 21 experimental trials with 7 participants, environmental surfaces were contacted 26.8 times per trial, at a frequency of 266 contacts per hour, on average. Self-contact occurred in 9 of 21 trials, and involved 1-18 contacts, mostly to the upper body. The recommended protocol of cleaning bodily fluids was followed by a minority of participants (2 of 7), and was associated with fewer surface contacts, improved cleaning quality, and different tool use. Participants used different cleaning practices, but each employed similar practices each time they performed an experimental trial.ConclusionsTraining in the use of the recommended protocol may standardize cleaning practices and reduce the number of surface contacts.



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