• Department of Infection Control, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
QIAO Fu, Email: 114558366@qq.com
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Objective To evaluate the efficiency of hydrogen peroxide vapor (HPV) in disinfecting multidrug-resistant organisms (MDROs).Methods We searched Cochrane Library, PubMed, Embase, Web of Science, China National Knowledge Infrastructure, Wanfang, China Science and Technology Journal Database for before-after studies or case-control studies or cohort studies evaluating efficiency of HPV and published from January 2010 to December 2020 (the time range was from January 2000 to December 2020 in the snowball searching). RevMan 5.4 and R 4.0.2 softwares were used for meta-analysis.Results A total of 9 studies were included, consisting of 8 before-after studies and 1 cohort study. Six studies evaluated positive rate of environmental samplings, meta-analysis revealed that HPV combined with manual cleaning disinfected the environment efficiently [relative risk (RR)=0.03, 95% confidence interval (CI) (0.01, 0.08), P< 0.000 01] and HPV was more efficient than manual cleaning [RR=0.04, 95%CI (0.02, 0.10), P< 0.000 01]. Three studies evaluated the hospital-acquired MDROs colonization/infection rates, and the results of the 3 studies were consistent, revealing that HPV could reduce hospital-acquired MDROs colonization/infection rates.Conclusion HPV is efficient in reducing MDROs contaminated surfaces and hospital-acquired infection rate.

Citation: PENG Yalan, LIN Ji, HUANG Wenzhi, QIAO Fu. Efficiency of hydrogen peroxide vapors in reducing multidrug-resistant organisms: a meta-analysis. West China Medical Journal, 2021, 36(3): 341-347. doi: 10.7507/1002-0179.202102043 Copy

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