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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2016, Vol. 10 ›› Issue (06): 716-720. doi: 10.3877/cma.j.issn.1674-1358.2016.06.014

• Clinical Research Article • Previous Articles     Next Articles

Distribution and drug resistance of multi-drug resistant bacteria in a hospital

Weihong Guo1, Hongxian Song1,(), Juan Wang1, Liang Guo1   

  1. 1. Department of Clinical Laboratory, The People’s Hospital, Hubei University of Medicine, Shiyan 442000, China
  • Received:2015-11-27 Online:2016-12-15 Published:2021-09-08
  • Contact: Hongxian Song

Abstract:

Objective

To investigate the distribution and drug resistance of multi-drug resistant bacteria and to provide theoretical basis for clinical anti-infection treatment.

Methods

Bacteria were isolated and identificated by the French bio-Merieux company production of VITEK-32 microbial analyzer, the identification card and drug sensitivity test were implemented, and then the distribution and drug resistance of the strains of multi-drug resistant were analyzed, respectively.

Results

Among the 624 strains of multi-drug resistant, 293 strains were MRCNS, 71 strains were CRABA, 57 strains were E. coli, 38 strains were KNP, 34 strains were MRSA, 27 strains were CRPAE, 2 strains were VRSE and 2 strains were PM. Multi-drug resistant of MRCNS showed the highest resistance (77.7%), followed by MRSA (55.7%) and VRSE with the lowest resistance (4.5%). While E. coli showed the highest resistance (68.6%), followed by CRABA (65.1%), CRPAE (21.3%) and PM (13.3%) with the negative bacilli. In the methicillin resistant Staphylococcus aureus, drug resistance of MRCNS to CIP, GEN, PEN, CLI, MNO and LVX were significantly higher than those of MRSA (χ2= 27.210, 77.496, 17.341, 26.098, 10.882 and 32.475; all P < 0.001). The sensitivity of E. coli to KNP, PM and IPM were all 100%, which were also high to AMK, FOX and CSL; the resistance of CRPAE and CRABA were only low to PIP and CSL, but significantly resistant to other antimicrobial agents.

Conclusions

With the increasing of multi-drug resistant bacteria infection and more complex for the mechanism of drug resistance, the effect of anti-infection was limited.

Key words: Multi-drug resistant bacteria, Flora distribution, Antibacterial drugs

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