Retrospective effect evaluation of intensive disinfection on preventing cluster infection with multidrug-resistant <italic style="font-style: italic">Acinetobacter baumannii</italic> in ICU

Yan Lu; Xinhai Zhao; Li Du; Runhan Huang; Yishan Liu; Xiaoju Ma; Huiping Huang

doi:10.11910/j.issn.2791-2043.2024.3.04

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Retrospective effect evaluation of intensive disinfection on preventing cluster infection with multidrug-resistant Acinetobacter baumannii in ICU

MONOGRAPHIC STUDY | Updated：2024-11-29

- Retrospective effect evaluation of intensive disinfection on preventing cluster infection with multidrug-resistant Acinetobacter baumannii in ICU
- Sterile Supply Vol. 3, Issue 3, (2024)
- Affiliations：
  
  The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, 518017, China
- Author bio：
  
  Huiping Huang at huanghuiping@sysush.com
- Funds：
- DOI：10.11910/j.issn.2791-2043.2024.3.04
  CLC：
- Published：15 October 2024，
- Accepted：
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Lu Yan,Zhao Xinhai,Du Li,et al.Retrospective effect evaluation of intensive disinfection on preventing cluster infection with multidrug-resistant ,Acinetobacter baumannii in ICU[J].Sterile Supply,2024,03(03):134-141.
DOI：

Lu Yan,Zhao Xinhai,Du Li,et al.Retrospective effect evaluation of intensive disinfection on preventing cluster infection with multidrug-resistant ,Acinetobacter baumannii in ICU[J].Sterile Supply,2024,03(03):134-141. DOI： 10.11910/j.issn.2791-2043.2024.3.04.

摘要

Abstract

Objective

The present study aims to explore the effect of intensive disinfection on preventing cluster infection with multidrug-resistant (MDR)

Acinetobacter baumannii

(AB) in the intensive care unit (ICU).

Methods

The environment where a cluster infection with MDRAB occurred in the ICU was disinfected and monitored before and after disinfection. The test results of target bacteria and non-target bacteria by monitoring were compared.

Results

The first intensive disinfection resulted in an unsatisfactory evaluation of the implementation effect

with no statistical difference between the target bacteria and non-target bacteria before and after disinfection (

0.05). After a comprehensive review and introspection

the second intensive disinfection was carried out based on departmental needs. The target and non-target bacteria infected or colonized with MDRAB in the ICU were significantly reduced

and the disinfection effect was statistically significant (

0.05). However

the target bacteria were detected on sphygmomanometer cuffs and computer keyboards. After the intensive disinfection

no cluster infection occurred within one year thereafter

and the target bacteria remained at a low level.

Conclusion

Intensive disinfection in an all-around way is an effective means to reduce the risk of infection or colonization with MDRAB in the ICU and cut off the transmission route. However

the effect of intensive disinfection depends on the strict implementation at each step during disinfection. There exist difficulties to be attached importance to in implementing disinfection.

关键词

Keywords

Disinfection strengtheningIntensive care unitMulti-drug resistant Acinetobacter baumanniiCluster infectionEffect evaluation

references

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Y. Lu, X.Y. Zhang, Z.J. Zhang, et al, “Monitoring data of 5 continuous years of MRSA and CRAB in ICU support different prevention and control strategies against different MDROs,” Chinese Journal of Microecology, vol. 27, pp. 1163-1166, 1173, 2015.

Y.Q. Lizhao, J.L. Xie, K. Yang, et al, “Research progresses of Acinetobacter baumannii infection and treatment,” Chinese Journal of Antibiotics, vol. 47, pp. 766-771, 2022.

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H.Q. Ban and L.B. Zhang, “Surface disinfection and monitoring evaluation of hospital objects,” Chinese Journal of Disinfection, vol. 33, pp. 894-896, 2016.

Z.W. Jiang, M.S. Li, Z.H. Chen, et al, “Effect of supervision mode on terminal disinfection of bed unit in intensive care unit,” Chinese Journal of Disinfection, vol. 40, pp. 70-71, 2023.

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Retrospective effect evaluation of intensive disinfection on preventing cluster infection with multidrug-resistant Acinetobacter baumannii in ICU

DOI：10.11910/j.issn.2791-2043.2024.3.04

摘要

Abstract

关键词

Keywords

references