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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2019, Vol. 13 ›› Issue (04): 300-304. doi: 10.3877/cma.j.issn.1674-1358.2019.04.007

Special Issue:

• Research Article • Previous Articles     Next Articles

Correlation between the frequency of antibacterial drugs and the impacts on drug resistance level of Pseudomonas aeruginosa and Acinetobacter baumannii

Yashan Li1, Dexuan Li1, Yanmei Huang1, Ying Hong1, Hongli Tan1,()   

  1. 1. Clinical Laboratory of the Third People’s Hospital of Yunnan Province, Kunming 650011, China
  • Received:2018-12-17 Online:2019-08-15 Published:2019-08-15
  • Contact: Hongli Tan
  • About author:
    Corresponding author: Tan Hongli, Email:

Abstract:

Objective

To investigate the correlation between the frequency of antibiotics and the resistance rate of Pseudomonas aeruginosa and Acinetobacter baumannii, and to provide guidance for the rational use of antibiotics and the reduction of bacterial resistance.

Methods

The frequency of antibiotics used in the Third People’s Hospital of Yunnan Province from January 2013 to December 2017, and the drug resistance of Pseudomonas aeruginosa and Acinetobacter baumannii isolated at the same time was investigated and analyzed, retrospectively.

Results

The frequency of antibiotics used of antibacterial drugs in our hospital was 28 809 in 2014, which increased significantly compared with that of 2013 (16 259). The resistance rates of Pseudomonas aeruginosa to ceftriaxone, cefepxime, aztreonam, gentamicin, levofloxacin, imipenem, meropenem, cefoperazone/sulbactam and piperacillin/tazobactam were significantly increased; and the resistance rates of Acinetobacter baumannii to ceftriaxone, cefepxime, gentamicin, imipenem and meropenem cefoperazone/sulbactam and piperacillin/tazobactam were also increased. Acinetobacter baumannii was more sensitive to cefoperazone/sulbactam, which remained high resistance rates to other commonly used antimicrobial agents, especially to cephalosporins (mean resistance rate was 78.23%) and carbapenems (mean resistance rate was 72.69%). The analysis showed that the resistance rate of Pseudomonas aeruginosa was positively correlated with the frequency of levofloxacin using from 2013 to 2017 (r = 0.70, P = 0.20); and Acinetobacter baumannii was positively correlated with the frequency of meropenem using(r = 0.94, P = 0.02).

Conclusions

The drug resistance rate of Pseudomonas aeruginosa isolated in our hospital was positively correlated with the frequency of levofloxacin using, and the resistance rate of Acinetobacter baumannii was positively correlated with the frequency of meropenem using. In order to avoid the occurrence of common infectious bacteria and colonized bacteria, the supervision of antibiotics application should be strengthened.

Key words: Frequency of antibiotics used, Pseudomonas aeruginosa, Acinetobacter baumannii, Drug resistance

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