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1、AHead-to-HeadComparisonofHydrogenPeroxideVaporandAerosolRoomDecontaminationSystems汽化过氧化氢与干雾灭菌系统比较T.Holmdahl,MD,1 P.Lanbeck,MD,PhD,1 M.Wullt,MD,PhD,1 andM.H.Walder,MD,PhD21.InfectiousDiseasesUnit,DepartmentofClinicalSciences,LundUniversity,Malmö,Sweden瑞典伦德大学临床科学系传染疾病组2.MedicalMicrobiology,D
2、epartmentofLaboratoryMedicine,LundUniversity,SkåneUniversityHospitalSUS,Malmö,Sweden瑞典伦德大学医学检验系微生物医学组,瑞典马尔默斯堪大学医院AddresscorrespondencetoM.H.Walder,MD,PhD,KliniskMikrobiologiMalmö,LaboratoriemedicinSkåne,SE-20502Malmö,Sweden(mats.walder@med.lu.se).Newtechnologieshaveemergedinrecentyearsfort
3、hedisinfectionofhospitalroomsandequipmentthatmaynotbedisinfectedadequatelyusingconventionalmethods.Thereareseveralhydrogenperoxide–basedareadecontaminationtechnologiesonthemarket,butnohead-to-headstudieshavebeenperformed. Objective.研究目的:最近几年,一些新兴技术被用来对医院的房间和传统灭菌方法无法充分灭菌的设备进行灭菌。市场上有几种基于过氧化的
4、区域灭菌技术,但尚没有任何研究来对这些技术进行一一对比。Weconductedahead-to-headinvitrocomparisonofahydrogenperoxidevapor(HYDROGENPEROXIDEVAPOUR)systemandanaerosolizedhydrogenperoxide(aHP)system. 研究设计:因此,我们对汽化过氧化氢技术(HYDROGENPEROXIDEVAPOUR)和过氧化氢干雾扩散技术(aHP)进行了一一对比.Thetestswereconductedinapurpose-built136-m3 testroom.场地
5、:特意建造一个136立方米试验间进行试验OneHYDROGENPEROXIDEVAPOURgeneratorand2aHPmachineswereused,followingrecommendationsofthemanufacturers.Threerepeatedtestswereperformedforeachsystem.Themicrobiologicalefficacyofthe2systemswastestedusing6-logTyvek-pouched Methods. Geobacillusstearothermophilus biologicalind
6、icators(BIs).Theindicatorswereplacedat20locationsinthefirsttestand14locationsinthesubsequent2testsforeachsystem.测试方法:根据厂商建议,试验中使用一台过氧化氢发生器和2台过氧化氢干雾扩散器。每种技术重复实验三次。用特卫强包装的6-log嗜热脂肪芽孢杆菌生物指示剂来检验对于微生物的效力。第一轮测试中,生物指示剂(BIs)放置在20个位置;随后的两轮测试均放置于14个位置。AllBIswereinactivatedforthe3HYDROGENPEROXIDEVAPO
7、URtests,comparedwithonly10%inthefirstaHPtestand79%intheother2aHPtests.Thepeakhydrogenperoxideconcentrationwas338ppmforHYDROGENPEROXIDEVAPOURand160ppmforaHP.Thetotalcycletime(includingaeration)was3and3.5hoursforthe3HYDROGENPEROXIDEVAPOURtestsandthe3aHPtests,res