Worldwide threatening prevalence of carbapenem-resistant Pseudomonas aeruginosa
Abstract
β-Lactam/β-lactamase inhibitor combinations and carbapenems are the first-line treatments for multidrug-resistant Pseudomonas aeruginosa (P. aeruginosa) infections. However, carbapenem resistance is increasing globally at an alarming rate, which is especially concerning given the pivotal role of these agents. This study comprehensively evaluated the global distribution of carbapenem resistance in clinical P. aeruginosa isolates. The keywords including 'Pseudomonas', P. aeruginosa', 'P. aeruginosa', 'resistance', 'susceptibility', 'carbapenem antibiotics', 'carbapenems', 'imipenem', 'meropenem', 'ertapenem', 'doripenem', as well as 'prevalence' and 'incidence' were searched in electronic databases as the appropriate keywords. After screening, 160 studies were excluded, with 87 eligible studies from diverse geographic regions retained for final analysis. A comprehensive meta-analysis was then conducted on the data collected. The mean resistance rates (95% CI) were 33.3% (imipenem), 23.3% (meropenem), 60.9% (ertapenem), and 36.7% (doripenem). The time trend analysis showed that the resistance to meropenem has increased from the year 1997 to 2023. Meta-analysis showed substantial heterogeneity (I2 = 92%, p P. aeruginosa isolates. The increasing prevalence of carbapenem-resistant P. aeruginosa is a major global health threat requiring urgent action through new antimicrobials and improved antibiotic stewardship to protect these last-line drugs.
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