The effectiveness of fluorescence labeling-based assay bundle intervention in the prevention and control of multidrug-resistant organism infection
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1.Department of Infection Management, Shandong Second Provincial General Hospital, Jinan 250000, China;2.Department of Laboratory Medicine, Shandong Second Provincial General Hospital, Jinan 250000, China;3.Department of Infectious Diseases, Shandong Second Provincial General Hospital, Jinan 250000, China;4.Office of Infection Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250000, China

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R197.323.4

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    Abstract:

    Objective To observe the effectiveness of fluorescence labeling-based assay bundle intervention in the prevention and control of multidrug-resistant organism (MDRO) infection. Methods Patients who were detected MDRO in a hospital from January to December 2022 were selected as the research subjects. MDRO monitoring data and implementation status of prevention and control measures were collected. Fluorescence labeling assay was adopted to monitor the cleaning and disinfection effectiveness of the surrounding object surface of the bed units. Based on the bundled prevention and control measures as well as management mode of the pre-intervention group, the post-intervention group implemented enhanced rectification measures for the problems found by the pre-intervention group. Changes in relevant indicators between January-June 2022 (before intervention) and July-December 2022 (after intervention) were compared. Results There were 136 MDRO-infected patients in the pre-intervention group, 208 MDRO strains were detected and 10 healthcare-associated infection (HAI) occurred. There were 128 MDRO-infected patients in the post-intervention group, 198 MDRO strains were detected and 9 HAI occurred. After intervention, the total detection rates of methicillin-resistant Staphylococcus aureus (MRSA), carbapenem-resistant Acinetobacter baumannii (CRAB), and total MDRO from patients decreased significantly compared to before intervention (all P < 0.05). After intervention, the detection rates of MRSA, carbapenem-resistant Pseudomonas aeruginosa (CRPA), CRAB, and total MDRO from the surrounding object surface were all lower than those before intervention (all P < 0.05). The detection rate of MDRO from surrounding object surface before intervention was 34.52%, which showed a decreased trend after intervention (P < 0.05). The clearance rate of fluorescent labeled markers before intervention was 41.84%, which showed an upward trend after implementing intervention measures (from July to December), and increased to 85.00% at the end of intervention (November-December). The comp-liance rates of issuing isolation medical orders, placing isolation labels, using medical supplies exclusively, and correctly handling medical waste after intervention have all increased compared to before intervention (all P < 0.05). Conclusion Adopting fluorescence labeling-based assay bundle intervention can effectively improve the effectiveness of MDRO infection prevention and control.

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秦廷正,刘云,郝跃伟,等.基于荧光标记法的集束化措施在多重耐药菌感染预防与控制中的效果[J].中国感染控制杂志英文版,2024,23(2):225-230. DOI:10.12138/j. issn.1671-9638.20244487.
Ting-zheng QIN, Yun LIU, Yue-wei HAO, et al. The effectiveness of fluorescence labeling-based assay bundle intervention in the prevention and control of multidrug-resistant organism infection[J]. Chin J Infect Control, 2024,23(2):225-230. DOI:10.12138/j. issn.1671-9638.20244487.

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  • Received:May 18,2023
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  • Online: April 28,2024
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