Pattern of cephalosporin and carbapenem-resistant Pseudomonas aeruginosa: a retrospective analysis
IJID Regions(2024)
摘要
Objectives: Despite its financial cost on the world's health care system, Pseudomonas aeruginosa antibiotic resis-tance has been increasing. Therefore, the goal of this study was to assess the level of antimicrobial resistance to anti-pseudomonas medicines, specifically beta-lactam medications such as cephalosporin and carbapenems. In addition, we evaluate the prevalence of multi-drug resistance to P. aeruginosa, particularly during the years of the COVID-19 pandemic. Methods: This retrospective analysis covered the period from January 2019 to December 2022 and included cephalosporin-and carbapenem-resistant P. aeruginosa isolates. The real-time polymerase chain reaction Genex-pert test (CARBA-R kit) was used for the detection of genes responsible for carbapenemase resistance. Results: During the time of the study, 1815 clinical isolates of P. aeruginosa were identified and 160 (9%) were resistant to carbapenems and cephalosporins. The resistance rates were 32.5% (13/597) in 2019, 11.2% (44/393) in 2020, 7% (26/369) in 2021, and 11% (50/456) in 2022. Of those isolates, multidrug-resistant rates were 6.7%, 86.3%, 57.7%, and 56%, per year over the study period. Using Genexpert test, 88 (93.6%) of multidrug-resistant P. aeruginosa were negative for carbapenemase genes. Conclusion: This study emphasizes the alarming patterns of carbapenem and cephalosporin resistance among P. aeruginosa clinical isolates. Furhter surviellance from different centers and different regions is required.
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关键词
Pseudomonas aeruginosa,MDR,Colistin,CRE,carbapenemase
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