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Distribution and drug resistance analysis of pathogenic bacteria in skin and soft tissue infections

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Author:
No author available
Journal Title:
Chinese Journal of Clinical Infectious Diseases
Issue:
1
DOI:
10.3760/cma.j.issn.1674-2397.2023.01.007
Key Word:
皮肤软组织;感染;病原菌;耐药性;Skin and soft tissue;Infection;Pathogenic bacteria;Drug resistance

Abstract´╝Ü Objective:To analyze the distribution and drug resistance of pathogenic bacteria in skin and soft tissue infections.Methods:The lesion samples were collected from patients with skin and soft tissue infections in the First Affiliated Hospital of Hainan Medical College from January 2012 to September 2021, and the distribution of pathogenic bacteria and their drug resistance were analyzed. The data were analyzed with SPSS 23.0 statistical software.Results:A total of 692 strains of pathogenic bacteria were isolated from 1 121 patients.There were 372 strains of Gram-negative bacteria (53.76%), mainly Pseudomonas aeruginosa ( n=92, 13.29%), Klebsiella pneumoniae ( n=55, 7.95%) and Enterobacter cloacae ( n=38, 5.49%); 276 strains of gram-positive bacteria (39.88%), mainly Staphylococcus aureus ( n=140, 20.23%), Streptococcus pyogenes ( n=38, 5.49%) and Enterococcus faecalis ( n=27, 3.90%); and 44 strains of fungi (6.36%), mainly Candida albicans ( n=19, 2.75%) and Candida tropicalis ( n=7, 1.01%). Staphylococcus aureus had a high resistance rate to penicillin G (53.57%), and Streptococcus pyogenes had a high resistance rate to tetracycline (89.47%). The resistance rate of Pseudomonas aeruginosa to furantoin was high (29.35%). The resistance rate of Klebsiella pneumoniae to ceftriaxone (38.18%) and cefzolin (36.36%) was high. The detection rate of Klebsiella pneumoniae in patients with community-acquired infection was higher than that in patients with hospital-acquired infection ( χ2=5.272, P=0.022). Conclusion:Gram-negative bacteria are the main pathogenic bacteria of skin and soft tissue infections in this area. Antibiotics should be used rationally according to the distribution of main pathogenic bacteria locally and the results of drug sensitivity.

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