title: [Microbiological assesssment of efficiency chemothermal disinfection of blood contaminated hospital textiles].
abstract: Thermal disinfection should be applied to laundering procedures of hospital textiles contaminated with blood. Currently, there is an increasing number of hospital textiles composed of cotton-polyester blends that cannot endure high temperatures of thermal disinfection. Besides, decreasing the temperature of chemothermal disinfection enhances the possibility of micro-organisms to survive the laundering procedure. The aim of this study was to prepare a new method for the microbiological evaluation of disinfecting laundering procedures for hospital textiles contaminated with blood. The bactericidal activity of chemical disinfectants for chemothermal disinfection was determined by simulating a laundering procedure for hospital textiles in the laboratory according to procedure of National Institute of Hygiene - DF/05/03. Bioindicators cotton carriers inoculated with Enterococcus faecium were used for determinating the antibacterial effects for hospital textiles contaminated with blood. High concentrations of bovine albumin and/or sheep erythrocytes were used as substrate for simulating human blood. The results showed that the bactericidal activity of chemical disinfectants for chemothermal disinfection hospital textiles in the event of massive organic contamination--heavily soiled with blood, shall be evaluated using carrier test in following conditions: test organism- Enterococcus faecium, interfering substances--6 g/l bovine albumin solution added to preparation.
authors.affiliation: Zakład Zwalczania Skazeń Biologicznych, Narodowy Instytut Zdrowia Publicznego-Państwowy Zakład Higieny, Warszawa. erodowald@pzh.gov.pl
authors.forename: Ewa
authors.initials: E
authors.lastname: Röhm-Rodowald
authors.forename: Bozenna
authors.initials: B
authors.lastname: Jakimiak
authors.forename: Marta
authors.initials: M
authors.lastname: Podgórska
authors.forename: Agnieszka
authors.initials: A
authors.lastname: Chojecka
mesh_terms: D001512:Bedding and Linens / Q000382:microbiology*; D001513:Beds / Q000382:microbiology; D003428:Cross Infection / Q000382:microbiology / Q000517:prevention & control*; D004202:Disinfectants; D004203:Disinfection / Q000379:methods*; D004866:Equipment Contamination / Q000517:prevention & control*; D006358:Hot Temperature; D006801:Humans; D007847:Laundry Service, Hospital; D011044:Poland; D013784:Textiles / Q000382:microbiology*
chemical_list: D004202:Disinfectants