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. 2021 Apr 6;9(10):2228-2237.
doi: 10.12998/wjcc.v9.i10.2228.

Distribution and drug resistance of pathogens in burn patients in China from 2006 to 2019

Hui Chen  1 , Lin Yang  2 , Lin Cheng  1 , Xiao-Hua Hu  1 , Yu-Ming Shen  3
Affiliations

Distribution and drug resistance of pathogens in burn patients in China from 2006 to 2019

Hui Chen et al. World J Clin Cases. .

Abstract

Background: In this study, recent trends in the distribution and drug resistance of pathogenic bacteria isolated from patients treated at a burn ward between 2006 and 2019 were investigated.

Aim: To develop more effective clinical strategies and techniques for the prevention and treatment of bacterial infections in burn patients.

Methods: Clinical samples with positive bacteria were collected from patients at the burn ward in Beijing Jishuitan Hospital in China between January 2006 and December 2019. The samples were retrospectively analyzed, the distribution of pathogenic bacteria was determined, and the trends and changes in bacterial drug resistance during different period were assessed. Drug resistance in several main pathogenic bacteria from 2006 to 2011 and from 2012 to 2019 was comparatively summarized and analyzed.

Results: Samples from 17119 patients were collected and analyzed from 2006 to 2019. Surprisingly, a total of 7960 strains of different pathogenic bacteria were isolated at this hospital. Among these bacteria, 87.98% (7003/7960) of the strains were isolated from burn wounds, and only 1.34% (107/7960) were isolated from the blood of patients. In addition, 49.70% (3956/7960) were identified as Gram-positive bacteria, 48.13% (3831/7960) were Gram-negative bacteria, and the remaining 2.17% (173/7960) were classified as fungi or other pathogens. Importantly, Staphylococcus aureus (21.68%), Pseudomonas aeruginosa (14.23%), and Staphylococcus epidermidis (9.61%) were the top three pathogens most frequently isolated from patients.

Conclusion: In patients treated at the burn ward in this hospital from 2006 to 2019, Staphylococcus aureus and Pseudomonas aeruginosa were the predominant clinical pathogens responsible for bacterial infections. The circumstantial detection and detailed monitoring of the intensity and growth of different pathogenic bacteria in clinical patients as well as tests of drug sensitivity during burn recovery are particularly important to provide guidelines for the application of antibiotics and other related drugs. Careful collection and correct, standard culture of bacterial specimens are also crucial to improve the efficiency of bacterial infection detection. Effective monitoring and timely clinical treatment in patients may help reduce the possibility and rate of infection as well as alleviate the effects of drug resistance among patients in burn centers.

Keywords: Bacterial species; Burn; Drug resistance; Infection; Pathogen distribution.

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Conflict of interest statement

Conflict-of-interest statement: The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Changes in detection of Gram-negative bacteria and Gram-positive bacteria. G+: Gram-positive; G-: Gram-negative.
Figure 2
Figure 2
Annual changes in the percentage of specific bacteria among all detected pathogens from 2006 to 2019.
Figure 3
Figure 3
Annual detected multidrug-resistant bacteria from 2006 to 2019. MRSA: Methicillin-resistant Staphylococcus aureus; VRE: Vancomycin-resistant enterococci.
See this image and copyright information in PMC

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