CONF-11-Christophe-Lambert.pdf

1、Influence of sodium bicarbonate pre-treatmenton final cleaning performance in a washer-disinfectorC.LAMBERT,C.VILLIE,A.BARBERO,I.JULLIAN-DESAYESCentre Hospitalier Mtropole Savoie-FranceIntroductionPersistence of organic soils on RMD:Proliferation of microorganisms within biofilmChemical riskPrionsIa

2、trogenic event for the patientCleaning performance:3 g/cm2(NF EN ISO 15883-5)5g per instrument side(HTM 0101)Outbreak of Pseudomonas aeruginosa Surgical Site Infections after Arthroscopic Procedures:Texas,2009.Pritish K.Tosh,et alWhat about pre-treatment?France:Immediatly after usePreventing drying

3、of soils and protection of the personnelRMD immersed in detergent-disinfectant solutionOther countries:No pre-treatmentMoist environnement maintened(recommandation)or notSealed pouches,contenairs for transportDry transportation(Germany-Belgium)Drying time should be under 6 hours(AKI working group in

4、strument)What about 6-hour rule?This highlihts the negative impact of a longer storage time on the cleaning of instruments Michels et al.The influence of the dwell times including transportation on the cleaning of surgical instruments in the WD.Zentral Steril 2022.Dry or wet transportation?The amoun

5、t of protein absorbed to the instruments reaches a maximum after 40 min.Lipscomb et al.Effect of drying time ambient temperature and pre-soaks on prion-infected tissue contamination levels on surgical stainless steel.JHI 2007.Increasing drying times greatly affected protein adsorption Secker et al.E

6、fficacy of humidity retention bags for the reduced absoprtion and improved cleaning of tissue proteins including prion assioted amyloid to sugical stainless steelsurfaces.Biofouling 2015.RT:Room temperature(desk or bag)F:refrigerated air(5 to 7C)Humi:sealed within humidity retention pouchDry:increas